/* input(4571,1): run-time error CSS1019: Unexpected token, found '}' */
/* Compefit - CSS Variables & Base Layout */

/* CSS Custom Properties (Design Tokens) */
:root {
    /* Pico delete/danger colors */
    --pico-del-background: #ef4444;
    --pico-del-hover-background: #dc2626;
    --pico-del-focus: #b91c1c;
    --pico-del-inverse: #ffffff;
    --pico-del-hover-inverse: #ffffff;
    --pico-del-focus-inverse: #ffffff;

    /* Semantic colors - Success */
    --color-success: #22c55e;
    --color-success-hover: #16a34a;
    --color-success-light: rgba(34, 197, 94, 0.15);
    --color-success-bg: rgba(34, 197, 94, 0.1);
    --color-success-border: rgba(34, 197, 94, 0.3);

    /* Semantic colors - Error/Danger */
    --color-error: #ef4444;
    --color-error-hover: #dc2626;
    --color-error-light: rgba(239, 68, 68, 0.15);
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --color-error-border: rgba(239, 68, 68, 0.3);

    /* Semantic colors - Warning */
    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-warning-light: rgba(245, 158, 11, 0.15);
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-warning-border: rgba(245, 158, 11, 0.3);

    /* Semantic colors - Info (Blue) */
    --color-info: #60a5fa;
    --color-info-hover: #3b82f6;
    --color-info-light: rgba(96, 165, 250, 0.15);
    --color-info-bg: rgba(96, 165, 250, 0.1);
    --color-info-border: rgba(96, 165, 250, 0.3);

    /* Semantic colors - Purple/Accent */
    --color-accent: #a78bfa;
    --color-accent-hover: #8b5cf6;
    --color-accent-light: rgba(167, 139, 250, 0.15);
    --color-accent-bg: rgba(167, 139, 250, 0.1);
    --color-accent-border: rgba(167, 139, 250, 0.3);

    /* Gradient backgrounds */
    --gradient-primary: linear-gradient(135deg, var(--color-info) 0%, var(--color-accent) 100%);
    --gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
    --gradient-error: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);

    /* Star rating */
    --color-star-filled: #fbbf24;
    --color-star-empty: #d1d5db;

    /* Medal colors */
    --color-gold: #ffd700;
    --color-silver: #c0c0c0;
    --color-bronze: #cd7f32;

    /* Social media brand colors */
    --color-whatsapp: #25d366;
    --color-facebook: #1877f2;
    --color-instagram-gradient: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);

    /* Neutral/Cancel colors */
    --color-neutral: #6c757d;
    --color-neutral-hover: #5a6268;

    /* Amber/Edit colors */
    --color-amber: #facc15;
    --color-amber-light: rgba(250, 204, 21, 0.15);
    --color-amber-border: rgba(250, 204, 21, 0.3);

    /* Focus ring */
    --color-focus-ring: rgba(96, 165, 250, 0.2);
    --color-focus-ring-strong: rgba(96, 165, 250, 0.4);

    /* Overlay/Modal backgrounds */
    --overlay-dark: rgba(0, 0, 0, 0.7);
    --overlay-light: rgba(0, 0, 0, 0.5);

    /* Card backgrounds with transparency */
    --card-highlight-bg: rgba(255, 255, 255, 0.05);
    --card-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);

    /* Text opacity variants */
    --text-opacity-muted: 0.7;
    --text-opacity-light: 0.85;

    /* ==========================================================================
       Typography Scale - Mobile First (larger for accessibility)
       ========================================================================== */
    --font-size-xs: 0.875rem;    /* 14px - minimum for small labels */
    --font-size-sm: 1rem;        /* 16px - minimum body text */
    --font-size-base: 1.125rem;  /* 18px - default body text on mobile */
    --font-size-lg: 1.25rem;     /* 20px */
    --font-size-xl: 1.5rem;      /* 24px */
    --font-size-2xl: 1.875rem;   /* 30px */
    --font-size-3xl: 2.25rem;    /* 36px */

    /* Line heights for readability */
    --line-height-tight: 1.25;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;

    /* ==========================================================================
       Spacing Scale - Consistent spacing across components
       ========================================================================== */
    --spacing-xs: 0.25rem;   /* 4px */
    --spacing-sm: 0.5rem;    /* 8px */
    --spacing-md: 1rem;      /* 16px */
    --spacing-lg: 1.5rem;    /* 24px */
    --spacing-xl: 2rem;      /* 32px */
    --spacing-2xl: 3rem;     /* 48px */

    /* ==========================================================================
       Touch & Interaction Targets - Accessibility
       ========================================================================== */
    --touch-target-min: 48px;    /* Minimum touch target size (WCAG) */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-full: 9999px;

    /* ==========================================================================
       Font Family
       ========================================================================== */
    --font-family-base: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* ==========================================================================
       Shadow Scale - Elevation System
       ========================================================================== */
    --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Glow effects for dark mode accents */
    --shadow-glow-info: 0 0 20px rgba(96, 165, 250, 0.15);
    --shadow-glow-accent: 0 0 20px rgba(167, 139, 250, 0.15);
    --shadow-glow-success: 0 0 20px rgba(34, 197, 94, 0.15);

    /* Glass effect tokens */
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-blur: 12px;
}

/* ==========================================================================
   Dark Mode Contrast Fix
   Pico's default --pico-muted-color (~#7b8495) only achieves ~4.2:1 contrast
   in dark mode. Override to #9ca3af for WCAG AA 4.5:1 compliance.
   ========================================================================== */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) {
        --pico-muted-color: #9ca3af;

        /* Enhanced shadows for dark backgrounds (need higher opacity to be visible) */
        --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
        --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.2);
        --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
        --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 8px 10px -6px rgba(0, 0, 0, 0.3);
        --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }
}

/* ==========================================================================
   Touch & Accessibility Global Defaults
   ========================================================================== */

/* Eliminate 300ms tap delay on mobile */
a, button, input, select, textarea,
[role="button"], .btn, .btn-icon-only,
.bottom-nav-item, .bottom-sheet-item,
.tab, .filter-btn, .star {
    touch-action: manipulation;
}

/* Respect user's motion preferences */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Ensure focus-visible rings for keyboard navigation */
:focus-visible {
    outline: 2px solid var(--color-info);
    outline-offset: 2px;
}

/* Placeholder text for dark mode readability */
input::placeholder,
textarea::placeholder {
    color: var(--pico-muted-color);
    opacity: 0.7;
}

/* ==========================================================================
   Font Size Scaling - User Preference
   ========================================================================== */
html {
    font-size: calc(1rem * var(--user-font-scale, 1));
}

/* Base Layout */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: var(--font-family-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle dark mode background gradient (richer than flat black) */
@media (prefers-color-scheme: dark) {
    body:not([data-theme="light"]) {
        background: radial-gradient(ellipse at 50% 0%, rgba(15, 23, 42, 1) 0%, rgba(2, 6, 14, 1) 70%);
    }
}

main {
    flex: 1;
}

footer {
    margin-top: auto;
    padding: 2rem 0;
    text-align: center;
}

/* Share card modal (post-workout popup) */
.share-card-modal-content {
    max-width: min(420px, 95vw);
}

.share-card-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 2rem;
    color: var(--pico-muted-color);
}

.share-card-modal-body {
    text-align: center;
}

.share-card-preview-wrapper {
    max-height: 60vh;
    overflow: auto;
    border-radius: var(--border-radius-md);
    background: var(--pico-background-color);
}

.share-card-modal-image {
    display: block;
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

.share-card-actions {
    margin-top: 1rem;
}

/* Profile picture lightbox (rankings, landing, gym rankings) */
.profile-picture-lightbox {
    position: fixed;
    inset: 0;
    background-color: var(--overlay-dark);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.profile-picture-lightbox[aria-hidden="true"] {
    display: none;
}

.profile-picture-lightbox-content {
    position: relative;
    max-width: min(320px, 90vw);
    max-height: min(320px, 80vh);
}

.profile-picture-lightbox-content img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 80vh;
    object-fit: contain;
    border-radius: 50%;
    border: 3px solid var(--pico-border-color);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

.profile-picture-lightbox-close {
    position: absolute;
    top: -2.75rem;
    right: 0;
    background: none;
    border: none;
    color: var(--pico-color-inverse, #fff);
    font-size: 1.75rem;
    cursor: pointer;
    padding: 0.25rem;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius-sm);
    transition: background 0.2s, color 0.2s;
}

.profile-picture-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
}

.profile-picture-enlarge {
    cursor: pointer;
}

/* Day-dot indicators for weekly activity */
/* Weekly activity checklist (checkbox-style day cards) */
.week-checklist {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}

.week-day-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 3rem;
    height: 3.2rem;
    border-radius: 8px;
    border: 1.5px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
    transition: all 0.2s;
}

.week-day-card.week-day-done {
    border-color: #60a5fa;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15), rgba(167, 139, 250, 0.15));
}

.week-day-check {
    font-size: 0.9rem;
    height: 1.1rem;
    line-height: 1.1rem;
    color: #60a5fa;
    font-weight: 700;
}

.week-day-label {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--pico-muted-color, #6b7280);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.week-day-done .week-day-label {
    color: #60a5fa;
}

[data-theme="light"] .week-day-card {
    border-color: rgba(0, 0, 0, 0.1);
    background: rgba(0, 0, 0, 0.02);
}

[data-theme="light"] .week-day-card.week-day-done {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.12), rgba(167, 139, 250, 0.12));
}

[data-theme="light"] .week-day-check {
    color: #3b82f6;
}

[data-theme="light"] .week-day-done .week-day-label {
    color: #3b82f6;
}

/* Performance summary row (compact pills replacing individual cards) */
.perf-summary-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.perf-pill {
    display: flex;
    align-items: baseline;
    gap: 0.35rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    font-size: 0.85rem;
    white-space: nowrap;
}

.perf-pill-label {
    color: var(--pico-muted-color, #6b7280);
    font-size: 0.75rem;
}

[data-theme="light"] .perf-pill {
    background: rgba(0, 0, 0, 0.03);
    border-color: rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   Typography System - Mobile First, Accessibility Focused
   ========================================================================== */

/* Base body typography with larger mobile font */
body {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

/* Heading Scale - Mobile First */
h1,
.h1 {
    font-size: var(--font-size-2xl);
    line-height: var(--line-height-tight);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-bottom: var(--spacing-md);
}

h2,
.h2 {
    font-size: var(--font-size-xl);
    line-height: var(--line-height-tight);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--spacing-md);
}

h3,
.h3 {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-tight);
    font-weight: 600;
    letter-spacing: -0.015em;
    margin-bottom: var(--spacing-sm);
}

h4,
.h4 {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    font-weight: 500;
    letter-spacing: -0.01em;
    margin-bottom: var(--spacing-sm);
}

h5,
.h5,
h6,
.h6 {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

/* Body Text Classes */
.text-body {
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
}

.text-body-lg {
    font-size: var(--font-size-lg);
    line-height: var(--line-height-relaxed);
}

.text-small {
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
}

.text-xs {
    font-size: var(--font-size-xs);
    line-height: var(--line-height-normal);
}

/* Text Color Utilities */
.text-muted {
    color: var(--pico-muted-color);
}

.text-emphasis {
    color: var(--pico-primary);
    font-weight: 600;
}

.text-success {
    color: var(--color-success);
}

.text-error {
    color: var(--color-error);
}

.text-warning {
    color: var(--color-warning);
}

/* Paragraph spacing */
p {
    margin-bottom: var(--spacing-md);
}

p:last-child {
    margin-bottom: 0;
}

/* Labels - Always readable */
label,
.label {
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.02em;
    display: block;
    margin-bottom: var(--spacing-sm);
}

/* Desktop adjustments - scale down slightly on larger screens */
@media (min-width: 769px) {
    body {
        font-size: 1rem;
        /* 16px base on desktop, larger on mobile */
    }

    h1,
    .h1 {
        font-size: var(--font-size-3xl);
    }

    h2,
    .h2 {
        font-size: var(--font-size-2xl);
    }

    h3,
    .h3 {
        font-size: var(--font-size-xl);
    }
}
/* ============================================
   Animations
   ============================================ */

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideUpBanner {
    from {
        transform: translateY(100%);
    }

    to {
        transform: translateY(0);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes toastSlideUp {
    from {
        transform: translateX(-50%) translateY(100%);
        opacity: 0;
    }

    to {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }
}

@keyframes toastSlideDown {
    from {
        transform: translateX(-50%) translateY(0);
        opacity: 1;
    }

    to {
        transform: translateX(-50%) translateY(100%);
        opacity: 0;
    }
}

@keyframes celebrate {
    0%,
    100% {
        transform: scale(1);
    }

    25% {
        transform: scale(1.1) rotate(-5deg);
    }

    50% {
        transform: scale(1.2) rotate(5deg);
    }

    75% {
        transform: scale(1.1) rotate(-5deg);
    }
}

@keyframes fall {
    0% {
        transform: translateY(-20px);
        opacity: 1;
    }

    100% {
        transform: translateY(100px);
        opacity: 0;
    }
}

@keyframes bounce {
    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 var(--color-focus-ring-strong, rgba(96, 165, 250, 0.4));
    }

    70% {
        box-shadow: 0 0 0 10px rgba(96, 165, 250, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(96, 165, 250, 0);
    }
}

/* ==========================================================================
   Premium Micro-interactions
   ========================================================================== */

/* Card entrance - scale up from slightly smaller */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Content entrance - subtle upward fade */
@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Stagger delay utilities for card grids */
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }
.stagger-6 { animation-delay: 0.3s; }

/* Animate-in utility classes */
.animate-in {
    animation: fadeSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.animate-scale-in {
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1) both;
}

/* Tap/press feedback for interactive cards on mobile */
.card-interactive:active {
    transform: scale(0.98);
    transition: transform 0.1s ease;
}

/* Loading states for buttons */
button.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
    line-height: 1.5;
}

button.loading:disabled {
    opacity: 0.7;
}

.btn-loading-content,
button.loading .btn-loading-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-loading-content .spinner {
    margin-right: 0;
}

button.loading .spinner,
a.loading .spinner {
    vertical-align: middle;
    flex-shrink: 0;
}

a.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
    pointer-events: none;
}

.spinner {
    display: inline-block;
    width: 0.875rem;
    height: 0.875rem;
    min-width: 0.875rem;
    min-height: 0.875rem;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    box-sizing: border-box;
    animation: spin 0.6s linear infinite;
    transform-origin: 50% 50%;
    transform: translateZ(0);
    will-change: transform;
    margin-right: 0;
    flex-shrink: 0;
    vertical-align: middle;
    line-height: 1;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    isolation: isolate;
    contain: layout style;
}

/* ==========================================================================
   Button System - Base Classes and All Variants
   This is the canonical location for all button styles.
   New code should use standard .btn variants.
   ========================================================================== */

/* Base Button Class - All buttons must include this */
.btn,
button.btn,
a.btn,
a[role="button"].btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    min-height: var(--touch-target-min);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

/* Mobile: Full-width buttons stack nicely */
@media (max-width: 480px) {
    .btn-mobile-stack {
        width: 100%;
        justify-content: center;
    }
}

/* Button Variants */
.btn-primary {
    background: var(--pico-primary-background);
    color: var(--pico-primary-inverse);
    box-shadow: 0 4px 15px var(--pico-primary-focus);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--pico-primary-focus);
    color: var(--pico-primary-inverse);
    background: var(--pico-primary-hover-background);
    background-image: linear-gradient(to top, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-info);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px var(--color-focus-ring), 0 4px 15px var(--pico-primary-focus);
}

.btn-secondary {
    background: var(--pico-secondary-background);
    color: var(--pico-secondary-inverse);
    border: 1px solid var(--pico-border-color);
}

.btn-secondary:hover {
    background: var(--pico-secondary-hover-background);
    color: var(--pico-secondary-inverse);
    border-color: var(--color-info);
    box-shadow: var(--shadow-sm);
}

.btn-danger {
    background: var(--pico-del-background);
    color: var(--pico-del-inverse);
    box-shadow: 0 4px 15px var(--pico-del-focus);
}

.btn-danger:hover {
    background: var(--pico-del-hover-background);
    color: var(--pico-del-inverse);
    box-shadow: 0 6px 20px var(--pico-del-focus);
}

.btn-success {
    background: var(--color-success);
    color: white;
    box-shadow: 0 4px 15px rgba(34, 197, 94, 0.3);
}

.btn-success:hover {
    background: var(--color-success-hover);
    color: white;
    box-shadow: 0 6px 20px rgba(34, 197, 94, 0.4);
}

.btn-warning {
    background: var(--color-warning);
    color: white;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: var(--color-warning-hover);
    color: white;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

/* Button States */
.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

/* Button Icon */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
}

.btn-sm .btn-icon {
    font-size: 0.875rem;
}

/* Icon-Only Button - Touch-friendly icon-only actions (44x44px min) */
.btn-icon-only {
    padding: 8px;
    min-height: 44px;
    min-width: 44px;
    line-height: 1;
    border-radius: 8px;
    text-align: center;
    background: transparent;
    border: none;
}

/* Mobile: Larger icons and better contrast for icon buttons */
@media (max-width: 768px) {
    .btn-icon {
        font-size: 2rem;
    }

    .btn-sm .btn-icon {
        font-size: 1.75rem;
    }

    /* More faded background for icon buttons on mobile */
    .btn-secondary:has(.btn-icon) {
        background: var(--pico-secondary-focus);
        border-color: var(--pico-secondary-border);
    }

    .btn-secondary:has(.btn-icon):hover {
        background: var(--pico-secondary-hover-background);
    }

    /* Ensure icon-only buttons remain touch-friendly on mobile */
    .btn-icon-only {
        padding: 10px;
        min-height: 48px;
        min-width: 48px;
    }
}

/* Full Width Button */
.btn-full-width {
    width: 100%;
    justify-content: center;
}

/* Legacy Support - Allow buttons without base class (will be removed in future) */
button[type="button"]:not(.btn) {
    white-space: nowrap;
    cursor: pointer;
    align-items: center;
}

/* Anchor tags as buttons - legacy support */
a[role="button"]:not(.btn):not(.btn-icon-only) {
    text-decoration: none !important;
    border: 1px solid var(--pico-border-color) !important;
    border-radius: 12px !important;
    font-weight: 600 !important;
    font-size: 0.9375rem !important;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1) !important;
}

a[role="button"].btn-icon-only {
    border-radius: 6px;
    text-align: center;
}


/* Action Button Variants - Light Background Style */
.btn-edit,
.btn-view,
.btn-delete {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
}

.btn-view {
    background: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

.btn-view:hover {
    background: var(--color-info-bg);
    color: var(--color-info);
}

.btn-edit {
    background: var(--color-amber-light);
    color: var(--color-amber);
    border: 1px solid var(--color-amber-border);
}

.btn-edit:hover {
    background: rgba(250, 204, 21, 0.25);
    color: var(--color-amber);
}

.btn-delete {
    background: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.btn-delete:hover {
    background: rgba(239, 68, 68, 0.25);
    color: var(--color-error);
    border-color: rgba(239, 68, 68, 0.5);
}

/* Cancel Button */
.btn-cancel {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: var(--color-neutral);
    color: white;
}

.btn-cancel:hover {
    background: var(--color-neutral-hover);
    color: white;
}

/* Copy Button */
.btn-copy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    padding: 0.5rem 1rem;
    min-width: 70px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 0.875rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: var(--pico-primary-background);
    color: var(--pico-primary-inverse);
}

.btn-copy:hover {
    background: var(--pico-primary-hover-background);
}

/* Share Button */
.btn-share {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: var(--pico-secondary-background);
    color: var(--pico-secondary-inverse);
}

.btn-share:hover {
    background: var(--pico-secondary-hover-background);
    transform: translateY(-1px);
}

/* Logout Buttons */
.btn-logout,
.btn-logout-mobile {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: var(--pico-del-background);
    color: var(--pico-del-inverse);
    box-shadow: 0 4px 15px var(--pico-del-focus);
}

.btn-logout {
    padding: 0.625rem 1.25rem;
    border-radius: 10px;
}

.btn-logout-mobile {
    padding: 1rem;
    font-size: 1rem;
}

.btn-logout:hover,
.btn-logout-mobile:hover {
    background: var(--pico-del-hover-background);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--pico-del-focus);
}

/* CTA Buttons */
.btn-cta-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: var(--pico-primary-inverse);
    color: var(--pico-primary);
    font-weight: bold;
    margin-top: 1rem;
}

.btn-cta-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.125rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    background: rgba(255, 255, 255, 0.2);
    color: var(--pico-primary-inverse);
    border: 2px solid var(--pico-primary-inverse);
}

.btn-cta {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
    width: 100%;
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-info);
}

.btn-cta-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.1rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
}

/* Challenge Buttons */
.btn-create-challenge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--pico-primary);
    color: var(--pico-primary-inverse);
    border-radius: 8px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
}

.btn-create-challenge:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-join-challenge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem 1.5rem;
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.btn-join-challenge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow-info);
    color: white;
}

/* Danger Outline Button */
.btn-danger-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.15rem;
    padding: 0.5rem 1rem;
    min-width: 70px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: 1px solid var(--color-error);
    font-family: inherit;
    margin: 0;
    background: transparent;
    color: var(--color-error);
}

.btn-danger-outline:hover {
    background: var(--color-error-bg);
}

/* Social Media Buttons - Keep as specialized (brand colors) */
.btn-whatsapp,
.btn-facebook,
.btn-instagram {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    cursor: pointer;
    border: none;
    font-family: inherit;
    margin: 0;
}

.btn-whatsapp {
    background-color: var(--color-whatsapp) !important;
    color: white !important;
}

.btn-facebook {
    background-color: var(--color-facebook) !important;
    color: white !important;
}

.btn-instagram {
    background: var(--color-instagram-gradient) !important;
    color: white !important;
}

/* Workout-Specific Buttons */
.btn-edit-sets {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 600;
    font-size: 0.9375rem;
    background: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.btn-edit-sets:hover:not(:disabled) {
    background: var(--color-info-bg);
    border-color: rgba(96, 165, 250, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(96, 165, 250, 0.2);
}

.btn-edit-sets:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}


/* Loading states for buttons */
button.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
    line-height: 1.5;
}

button.loading:disabled {
    opacity: 0.7;
}

/* Loading button content wrapper */
.btn-loading-content,
button.loading .btn-loading-content {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.btn-loading-content .spinner {
    margin-right: 0;
}

/* Prevent spinner from causing layout shifts */
button.loading .spinner,
a.loading .spinner {
    vertical-align: middle;
    flex-shrink: 0;
}

/* Loading states for links styled as buttons */
a.loading {
    opacity: 0.7;
    cursor: not-allowed;
    position: relative;
    pointer-events: none;
}

/* Action button (workout actions) */
.btn-action {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    text-align: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 70px;
    border: none;
    cursor: pointer;
}

[type=button],
[type=reset],
[type=submit] {
    margin-bottom: 0px;
}
/* ==========================================================================
   Utility Classes - Spacing, Display, Layout, Text, Borders, Positioning
   Single canonical copy of all utility classes. No duplicates.
   ========================================================================== */

/* Spacing Utilities - Margin */
.m-0 { margin: 0; }
.m-1 { margin: 0.5rem; }
.m-2 { margin: 1rem; }
.m-3 { margin: 1.5rem; }
.m-4 { margin: 2rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 2.5rem; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 2.5rem; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.5rem; }
.ml-2 { margin-left: 1rem; }
.ml-3 { margin-left: 1.5rem; }
.ml-4 { margin-left: 2rem; }
.ml-5 { margin-left: 2.5rem; }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.5rem; }
.mr-2 { margin-right: 1rem; }
.mr-3 { margin-right: 1.5rem; }
.mr-4 { margin-right: 2rem; }
.mr-5 { margin-right: 2.5rem; }
.mr-auto { margin-right: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-1 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-2 { margin-left: 1rem; margin-right: 1rem; }
.mx-3 { margin-left: 1.5rem; margin-right: 1.5rem; }
.mx-4 { margin-left: 2rem; margin-right: 2rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-1 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-2 { margin-top: 1rem; margin-bottom: 1rem; }
.my-3 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-4 { margin-top: 2rem; margin-bottom: 2rem; }

.ma-0 { margin: 0; }
.ma-1 { margin: 0.5rem; }
.ma-2 { margin: 1rem; }
.ma-3 { margin: 1.5rem; }
.ma-4 { margin: 2rem; }
.ma-5 { margin: 2.5rem; }

/* Spacing Utilities - Padding */
.p-0 { padding: 0; }
.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.5rem; }
.pt-2 { padding-top: 1rem; }
.pt-3 { padding-top: 1.5rem; }
.pt-4 { padding-top: 2rem; }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: 0.5rem; }
.pb-2 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 1.5rem; }
.pb-4 { padding-bottom: 2rem; }

.pl-0 { padding-left: 0; }
.pl-1 { padding-left: 0.5rem; }
.pl-2 { padding-left: 1rem; }
.pl-3 { padding-left: 1.5rem; }
.pl-4 { padding-left: 2rem; }

.pr-0 { padding-right: 0; }
.pr-1 { padding-right: 0.5rem; }
.pr-2 { padding-right: 1rem; }
.pr-3 { padding-right: 1.5rem; }
.pr-4 { padding-right: 2rem; }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-2 { padding-left: 1rem; padding-right: 1rem; }
.px-3 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-4 { padding-left: 2rem; padding-right: 2rem; }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2 { padding-top: 1rem; padding-bottom: 1rem; }
.py-3 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-4 { padding-top: 2rem; padding-bottom: 2rem; }

/* List utilities */
.list-unstyled { list-style: none; padding-left: 0; }

/* Display Utilities */
.d-none { display: none; }
.d-block { display: block; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.display-inline { display: inline; }
.display-flex { display: flex; }
.display-grid { display: grid; }

/* Flexbox Utilities */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.justify-evenly { justify-content: space-evenly; }

.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }
.align-center { align-items: center; }
.align-baseline { align-items: baseline; }
.align-stretch { align-items: stretch; }

/* items-* aliases (duplicate set from second block) */
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-start { align-items: flex-start; }
.items-around { align-items: space-around; }
.items-between { align-items: space-between; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

/* Longhand aliases */
.align-items-center { align-items: center; }
.justify-content-between { justify-content: space-between; }

.gap-0 { gap: 0; }
.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.flex-gap-sm { gap: 0.5rem; }
.flex-gap-md { gap: 1rem; }

.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }
.flex-shrink { flex-shrink: 1; }
.flex-none { flex: none; }

/* Width Utilities */
.w-auto { width: auto; }
.w-full { width: 100%; }
.w-50 { width: 50%; }
.w-75 { width: 75%; }
.w-25 { width: 25%; }
.w-80 { width: 80px; }
.width-full { width: 100%; }
.full-width { width: 100%; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }
.text-center-link { text-align: center; }

/* Font Weight */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

/* Font Size */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

/* Font Style */
.text-italic { font-style: italic; }
.font-italic { font-style: italic; }

/* Background Utilities (non-semantic) */
.bg-primary { background-color: var(--pico-primary); }
.bg-secondary { background-color: var(--pico-secondary-background); }
.bg-transparent { background-color: transparent; }

.bg-gradient-share {
    background: linear-gradient(135deg, rgba(96, 165, 250, 0.15) 0%, rgba(139, 92, 246, 0.15) 100%);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.bg-gradient-bonus {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.bg-form-container {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(96, 165, 250, 0.3);
}

.bg-readonly {
    background: rgba(255, 255, 255, 0.1);
}

/* Border Utilities */
.border { border: 1px solid var(--pico-border-color); }
.border-0 { border: 0; }
.border-top { border-top: 1px solid var(--pico-border-color); }
.border-bottom { border-bottom: 1px solid var(--pico-border-color); }
.border-left { border-left: 1px solid var(--pico-border-color); }
.border-right { border-right: 1px solid var(--pico-border-color); }

/* Border Radius Utilities */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: 0.25rem; }
.rounded { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.75rem; }
.rounded-lg { border-radius: 1rem; }
.rounded-xl { border-radius: 1.5rem; }
.rounded-full { border-radius: 9999px; }

/* Position Utilities */
.position-static { position: static; }
.position-relative { position: relative; }
.position-absolute { position: absolute; }
.position-fixed { position: fixed; }
.position-sticky { position: sticky; }

/* Cursor Utilities */
.cursor-pointer { cursor: pointer; }

/* Overflow Utilities */
.overflow-y-auto { overflow-y: auto; }
.overflow-x-auto { overflow-x: auto; }

/* Max Width/Height Utilities */
.max-w-600 { max-width: 600px; }
.max-h-400 { max-height: 400px; }
.max-h-80vh { max-height: 80vh; }

/* Grid Utilities */
.grid-auto-fit-150 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

/* Table Utilities */
.table-cell {
    padding: 0.75rem;
    border: 1px solid var(--pico-border-color);
}

.table-cell-left {
    padding: 0.75rem;
    text-align: left;
    border: 1px solid var(--pico-border-color);
}

.table-cell-center {
    padding: 0.75rem;
    text-align: center;
    border: 1px solid var(--pico-border-color);
}

.table-row-primary {
    background: var(--pico-primary-background);
}

.table-row-alt {
    background: var(--pico-background-color);
}

/* Line Height Utilities */
.line-height-relaxed { line-height: 2; }
.line-height-normal { line-height: 1.5; }

/* Gradient text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hidden utility */
.hidden { display: none !important; }

/* Legacy margin utilities */
.margin-top-1 { margin-top: 1rem; }
.margin-top-2 { margin-top: 2rem; }
.margin-left-sm { margin-left: 0.5rem; }
.margin-0 { margin: 0; }
.margin-bottom-sm { margin-bottom: 0.75rem; }
.margin-bottom-1-5 { margin-bottom: 1.5rem; }

/* Input full width */
.input-full-width {
    width: 100%;
    padding: 0.5rem;
    font-size: 1rem;
}

/* ============================================
   Semantic Color Utility Classes
   ============================================ */

/* Text colors */
.text-success {
    color: var(--color-success) !important;
}

.text-error {
    color: var(--color-error) !important;
}

.text-warning {
    color: var(--color-warning) !important;
}

.text-info {
    color: var(--color-info) !important;
}

.text-accent {
    color: var(--color-accent) !important;
}

.text-muted {
    color: var(--pico-muted-color) !important;
}

.text-muted-light {
    opacity: var(--text-opacity-light);
}

.text-muted-more {
    opacity: var(--text-opacity-muted);
}

/* Background colors */
.bg-success {
    background-color: var(--color-success) !important;
    color: white !important;
}

.bg-success-light {
    background-color: var(--color-success-light) !important;
}

.bg-error {
    background-color: var(--color-error) !important;
    color: white !important;
}

.bg-error-light {
    background-color: var(--color-error-light) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
    color: white !important;
}

.bg-warning-light {
    background-color: var(--color-warning-light) !important;
}

.bg-info {
    background-color: var(--color-info) !important;
    color: white !important;
}

.bg-info-light {
    background-color: var(--color-info-light) !important;
}

.bg-accent {
    background-color: var(--color-accent) !important;
    color: white !important;
}

.bg-accent-light {
    background-color: var(--color-accent-light) !important;
}

.bg-card-highlight {
    background-color: var(--card-highlight-bg) !important;
}

/* Alert/Status boxes */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.alert-error {
    background-color: var(--color-error-bg);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.alert-warning {
    background-color: var(--color-warning-bg);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.alert-info {
    background-color: var(--color-info-bg);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

/* Status indicator (completed/pending) */
.status-indicator {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.status-completed {
    color: var(--color-success);
}

.status-pending {
    color: var(--color-error);
}

.status-in-progress {
    color: var(--color-warning);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

.badge-error {
    background-color: var(--color-error-light);
    color: var(--color-error);
    border: 1px solid var(--color-error-border);
}

.badge-warning {
    background-color: var(--color-warning-light);
    color: var(--color-warning);
    border: 1px solid var(--color-warning-border);
}

.badge-info {
    background-color: var(--color-info-light);
    color: var(--color-info);
    border: 1px solid var(--color-info-border);
}

.badge-accent {
    background-color: var(--color-accent-light);
    color: var(--color-accent);
    border: 1px solid var(--color-accent-border);
}

/* Medal badges */
.badge-gold {
    background-color: rgba(255, 215, 0, 0.15);
    color: var(--color-gold);
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.badge-silver {
    background-color: rgba(192, 192, 192, 0.15);
    color: var(--color-silver);
    border: 1px solid rgba(192, 192, 192, 0.3);
}

.badge-bronze {
    background-color: rgba(205, 127, 50, 0.15);
    color: var(--color-bronze);
    border: 1px solid rgba(205, 127, 50, 0.3);
}

/* Stars rating display */
.star-filled {
    color: var(--color-star-filled);
}

.star-empty {
    color: var(--color-star-empty);
}

/* Social media buttons */
.btn-whatsapp {
    background-color: var(--color-whatsapp) !important;
    color: white !important;
}

.btn-facebook {
    background-color: var(--color-facebook) !important;
    color: white !important;
}

.btn-instagram {
    background: var(--color-instagram-gradient) !important;
    color: white !important;
}

/* Card borders/styling */
.border-success {
    border-color: var(--color-success-border) !important;
}

.border-error {
    border-color: var(--color-error-border) !important;
}

.border-warning {
    border-color: var(--color-warning-border) !important;
}

.border-info {
    border-color: var(--color-info-border) !important;
}

.border-left-success {
    border-left: 3px solid var(--color-success) !important;
}

.border-left-error {
    border-left: 3px solid var(--color-error) !important;
}

.border-left-warning {
    border-left: 3px solid var(--color-warning) !important;
}

.border-left-info {
    border-left: 3px solid var(--color-info) !important;
}

/* Gradient text */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Form Styles - Mobile First, Accessibility Focused
   ============================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--pico-color);
}

.form-control {
    width: 100%;
    padding: var(--spacing-md);
    min-height: var(--touch-target-min);
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: var(--border-radius-md);
    color: var(--pico-color);
    font-size: var(--font-size-base);
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px var(--color-info-light), inset 0 1px 2px rgba(0, 0, 0, 0.06);
}

/* Ensure all form elements have adequate touch targets on mobile */
@media (max-width: 768px) {

    input:not([type=checkbox], [type=radio]),
    select,
    textarea {
        min-height: var(--touch-target-min);
        font-size: var(--font-size-base);
        padding: var(--spacing-md);
    }

    select {
        padding-right: 2.5rem;
    }
}

.feeling-score-group {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.feeling-score-btn {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    border: 2px solid var(--pico-border-color);
    background: var(--pico-form-element-background-color);
    font-size: 1.25rem;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--pico-color);
}

.feeling-score-btn:hover,
.feeling-score-btn.active {
    border-color: var(--color-info);
    background: var(--color-info-light);
}

.feeling-score-btn.active {
    box-shadow: 0 0 0 3px var(--color-info-border);
}

/* Star Rating Styles */
.star-rating {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.star-rating-interactive {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

.star-rating-display {
    display: inline-flex;
    gap: 0.25rem;
    align-items: center;
}

.star {
    font-size: 1.5rem;
    color: var(--color-star-empty);
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    line-height: 1;
}

.star:hover {
    transform: scale(1.1);
}

.star.active {
    color: var(--color-star-filled);
}

.star.filled {
    color: var(--color-star-filled);
}

.star.empty {
    color: var(--color-star-empty);
}

.form-actions {
    display: flex;
    gap: 1rem;
    padding-top: 1rem;
    justify-content: flex-end;
}

@media (max-width: 600px) {
    .form-actions {
        flex-direction: column-reverse;
    }

    .form-actions button,
    .form-actions a {
        width: 100%;
        text-align: center;
        justify-content: center;
    }
}

/* Form validation states */
.field-validation-error,
.validation-message {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.input-validation-error {
    border-color: var(--color-error) !important;
}

.input-validation-success {
    border-color: var(--color-success) !important;
}

/* Form grid layout */
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
}

/* Reset default margin on form elements */
input:not([type=checkbox], [type=radio]),
select,
textarea {
    margin-bottom: 0;
}

:where(input, select, textarea, fieldset, .grid)+small {
    display: block;
    width: 100%;
    margin-top: var(--pico-spacing);
    margin-bottom: var(--pico-spacing);
    color: var(--pico-muted-color)
}
/* ============================================
   Modal Styles
   ============================================ */

/* Generic Modal/Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay-dark);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: var(--pico-card-background-color);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    max-width: 500px;
    width: 90%;
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--glass-border);
    animation: scaleIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Set Modal */
.set-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.set-modal-content {
    background: var(--pico-card-background-color);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-2xl);
    animation: scaleIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.set-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid var(--pico-border-color);
}

.set-modal-header h3 {
    margin: 0;
    color: var(--pico-color);
    font-size: 1.25rem;
}

.set-modal-close {
    background: none;
    border: none;
    color: var(--pico-muted-color);
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.set-modal-close:hover {
    background: var(--pico-card-background-color);
    color: var(--pico-color);
}

.set-modal-body {
    padding: 1.5rem;
}

.set-modal-body .form-group {
    margin-bottom: 1.25rem;
}

.set-modal-body .form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--pico-color);
    font-size: 0.875rem;
    font-weight: 500;
}

.set-modal-body .form-group input[type="number"],
.set-modal-body .form-group input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: 8px;
    color: var(--pico-color);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.set-modal-body .form-group input[type="number"]:focus,
.set-modal-body .form-group input[type="text"]:focus {
    outline: none;
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.set-modal-body .checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    color: var(--pico-color);
}

.set-modal-body .checkbox-label input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--color-success);
}

.set-modal-footer {
    display: flex;
    gap: 0.75rem;
    padding: 1.5rem;
    border-top: 1px solid var(--pico-border-color);
    justify-content: flex-end;
    flex-wrap: wrap;
}

/* Share Modal */
.share-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay-dark);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.share-modal:not(.hidden) {
    display: flex;
}

.share-modal-content {
    background: var(--pico-card-background-color, var(--pico-background-color));
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 90%;
    width: 400px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--pico-border-color);
    max-height: 90vh;
    overflow-y: auto;
}

.share-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.share-modal-header h3 {
    margin: 0;
    color: var(--pico-color, var(--pico-h1-color));
}

.share-modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--pico-color-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
}

.share-modal-description {
    color: var(--pico-color, var(--pico-muted-color));
    margin-bottom: 1.5rem;
    text-align: center;
}

.share-qr-container {
    text-align: center;
    margin-bottom: 1.5rem;
}

.share-qr-image {
    max-width: 100%;
    height: auto;
    border: 2px solid var(--pico-border-color);
    border-radius: 8px;
    padding: 1rem;
    background: white;
}

.share-qr-text {
    color: var(--pico-color, var(--pico-muted-color));
    font-size: 0.9em;
    margin-top: 0.75rem;
}

.share-link-label {
    color: var(--pico-color, var(--pico-muted-color));
    font-size: 0.9em;
    margin-bottom: 0.5rem;
    text-align: center;
}

.share-link-input-group {
    display: flex;
    gap: 0.5rem;
}

.share-link-input {
    flex: 1;
    padding: 0.75rem;
    border: 1px solid var(--pico-border-color);
    border-radius: 0.25rem;
    background: var(--pico-background-color);
    color: var(--pico-color);
    font-size: 0.9em;
    margin-bottom: 0;
}

.share-link-copy-btn {
    padding: 0.75rem 1.5rem;
    background-color: var(--pico-primary-background, var(--pico-primary));
    color: var(--pico-primary-inverse, white);
    border: none;
    border-radius: 0.25rem;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap;
}

.share-link-feedback {
    display: none;
    color: var(--color-success);
    font-size: 0.85em;
    margin-top: 0.5rem;
    text-align: center;
}

.share-link-feedback:not(.hidden) {
    display: block;
}

.share-buttons {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
}

.share-btn {
    flex: 1;
    min-width: 120px;
    padding: 0.75rem;
    border: none;
    border-radius: 0.25rem;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: white;
}

/* Confirmation Modal */
.confirmation-modal.hidden {
    display: none !important;
}

.confirmation-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--overlay-dark);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.confirmation-modal:not(.hidden) {
    display: flex !important;
}

.confirmation-modal-content {
    background: var(--pico-card-background-color, var(--pico-background-color));
    padding: 2rem;
    border-radius: 0.5rem;
    max-width: 90%;
    width: 400px;
    box-shadow: var(--card-shadow);
    border: 1px solid var(--pico-border-color);
}

.confirmation-modal-title,
.confirmation-title {
    margin-top: 0;
    color: var(--pico-color, var(--pico-h1-color));
}

.confirmation-modal-message,
.confirmation-message {
    color: var(--pico-color, var(--pico-muted-color));
}

.confirmation-form {
    margin-top: 1.5rem;
}

.confirmation-modal-actions,
.confirmation-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

/* Stack confirmation buttons on small mobile screens */
@media (max-width: 480px) {
    .confirmation-modal-actions,
    .confirmation-buttons {
        flex-direction: column;
    }

    .confirmation-btn {
        width: 100%;
    }
}

.confirmation-btn {
    flex: 1;
    padding: 0.75rem;
    border: none;
    border-radius: 0.25rem;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
}

.confirmation-btn-danger {
    background-color: var(--color-error);
    color: white;
}

.confirmation-btn-warning {
    background-color: var(--color-warning);
    color: white;
}

.confirmation-btn-primary {
    background-color: var(--pico-primary-background, var(--pico-primary));
    color: var(--pico-primary-inverse, white);
}

.confirmation-btn-secondary {
    background-color: var(--pico-secondary-background, var(--pico-secondary));
    color: var(--pico-secondary-inverse, white);
}

/* ============================================
   Card Styles - Unified Card System
   ============================================ */

/* ==========================================================================
   Base Card Class - Use for consistent card styling across pages
   ========================================================================== */
.card {
    background: var(--pico-card-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                box-shadow 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                border-color 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--pico-border-color);
}

.card-header h2,
.card-header h3,
.card-header h4 {
    margin: 0;
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-body:last-child {
    margin-bottom: 0;
}

.card-footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--pico-border-color);
}

/* Card without internal borders */
.card-seamless .card-header,
.card-seamless .card-footer {
    border: none;
    padding: 0;
}

/* ==========================================================================
   Card Variants
   ========================================================================== */

/* Card border variants */
.card-border-success {
    border: 2px solid var(--color-success);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.card-border-default {
    border: 1px solid var(--pico-border-color);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

/* Elevated card - for featured/important content */
.card-elevated {
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.card-elevated:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-2px);
}

/* Glass card - frosted glass effect (progressive enhancement) */
@supports (backdrop-filter: blur(1px)) {
    .card-glass {
        background: var(--glass-bg);
        border: 1px solid var(--glass-border);
        backdrop-filter: blur(var(--glass-blur));
        -webkit-backdrop-filter: blur(var(--glass-blur));
        box-shadow: var(--shadow-md);
    }

    .card-glass:hover {
        background: rgba(255, 255, 255, 0.08);
        box-shadow: var(--shadow-lg);
    }
}

/* Dark theme specific card styles */
.dark-card {
    background: var(--pico-card-background-color);
    color: var(--pico-color);
    border: 1px solid var(--pico-border-color);
    border-radius: var(--border-radius-sm);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-xs);
    transition: box-shadow 0.25s ease;
}

.dark-card-header {
    color: var(--pico-color);
    margin-bottom: var(--spacing-sm);
}

.dark-card-muted {
    color: var(--pico-muted-color);
}

/* Toast notification styling */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    box-shadow: var(--shadow-xl);
    z-index: 10000;
    max-width: 90%;
    text-align: center;
    font-weight: 500;
    animation: toastSlideUp 0.3s ease-out;
}

.toast-notification.toast-success {
    background-color: var(--color-success);
    color: white;
    border: 1px solid var(--color-success);
}

.toast-notification.toast-error {
    background-color: var(--color-error);
    color: white;
    border: 1px solid var(--color-error);
}

.toast-notification.toast-warning {
    background-color: var(--color-warning);
    color: white;
    border: 1px solid var(--color-warning);
}

.toast-notification.toast-info {
    background-color: var(--color-info);
    color: white;
    border: 1px solid var(--color-info);
}

.toast-notification.toast-hide {
    animation: toastSlideDown 0.3s ease-out forwards;
}

/* Slot/Exercise item states (for workout week view) */
.slot-completed {
    background-color: var(--color-success-bg);
    border-left: 3px solid var(--color-success);
}

.slot-completed .slot-title {
    color: var(--color-success);
}

.slot-pending {
    background-color: var(--color-warning-bg);
    border-left: 3px solid var(--color-warning);
}

.slot-pending .slot-title {
    color: var(--color-warning);
}

/* Formula/Category section borders */
.category-error {
    border-left: 4px solid var(--color-error);
}

.category-info {
    border-left: 4px solid var(--color-info);
}

.category-accent {
    border-left: 4px solid var(--color-accent);
}

.category-success {
    border-left: 4px solid var(--color-success);
}

/* Friend badge styling */
.friend-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    background-color: var(--color-success-light);
    color: var(--color-success);
    border: 1px solid var(--color-success-border);
}

/* Endorsement styling */
.endorsement-badge {
    color: var(--color-success);
}

/* Copy URL success feedback */
.copy-success {
    background-color: var(--color-success) !important;
    color: white !important;
}

/* Exercise item in list */
.exercise-item {
    padding: 0.75rem;
    border-radius: 8px;
    background: var(--card-highlight-bg);
    border: 1px solid var(--color-info-border);
    margin-bottom: 0.5rem;
}

.exercise-item-name {
    font-weight: 500;
    color: var(--pico-color);
}

.exercise-item-group {
    font-size: 0.875rem;
    color: var(--pico-muted-color);
}

/* Weight history display */
.weight-history-item {
    padding: 0.5rem;
    border-radius: 6px;
}

.weight-history-value {
    color: var(--color-info);
    font-weight: 500;
}

.weight-history-change {
    color: var(--color-success);
}

/* Selectable exercise item in modal */
.exercise-item-selectable {
    cursor: pointer;
    transition: background 0.2s;
}

.exercise-item-selectable:hover {
    background: var(--card-highlight-bg);
}

/* Duplicate button styling */
.btn-duplicate {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Empty state */
.empty-state h3 {
    margin: 0 0 0.5rem 0;
}

.empty-state p {
    color: var(--pico-muted-color);
    margin-bottom: 1.5rem;
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.empty-icon svg {
    width: 64px;
    height: 64px;
    color: var(--pico-muted-color);
}

/* Hidden utility */
.hidden {
    display: none !important;
}
/* ==========================================================================
   Navigation & Header Styles
   Includes: main header, sidebar nav, brand, hamburger menu, theme toggle,
   language selector, notification badges, and all responsive rules for navigation.
   ========================================================================== */

/* Modern Navigation - Mobile First */
.main-header {
    z-index: 1000;
    background: var(--pico-background-color);
    border-bottom: 1px solid var(--pico-border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    overflow-x: hidden;
    padding: 0;
}

.main-header .container {
    max-width: 100%;
    overflow-x: hidden;
}

.main-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.875rem 0;
    width: 100%;
    max-width: 100%;
    position: relative;
    min-height: 64px;
    overflow: hidden;
}

.nav-brand {
    flex: 0 0 auto;
    margin-left: 0.5rem;
}

@media (min-width: 768px) {
    .nav-brand {
        margin-left: 1rem;
    }
}

.brand-link {
    text-decoration: none;
    color: var(--pico-color);
    font-size: 1.375rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--pico-primary) 0%, var(--pico-primary-hover) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.brand-link:hover {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.brand-logo {
    height: 40px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.brand-link:hover .brand-logo {
    transform: scale(1.02);
    filter: brightness(1.1);
}

.brand-logo-mobile {
    height: 95px;
    max-width: 450px;
}

/* Hamburger Button - Always visible */
.mobile-menu-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 48px;
    height: 48px;
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: 12px;
    cursor: pointer;
    padding: 0;
    z-index: 1001;
    position: relative;
    gap: 6px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    margin-right: 0.5rem;
}

.mobile-menu-toggle:hover {
    background: var(--pico-form-element-hover-background-color);
    border-color: var(--pico-primary);
    box-shadow: 0 0 20px var(--pico-primary-focus);
}

.hamburger-line {
    width: 22px;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: all 0.35s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transform-origin: center;
    display: block;
}

.mobile-menu-toggle[aria-expanded="true"] {
    background: var(--pico-primary-focus);
    border-color: var(--pico-primary);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Desktop Navigation Menu - Hidden, using sidebar for all */
.nav-menu-desktop {
    display: none !important;
}

.nav-links-desktop {
    display: none !important;
}

/* Header Controls - Always visible */
.nav-header-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

.nav-header-controls .btn-logout {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.nav-header-controls .theme-toggle {
    width: 40px;
    height: 40px;
}

.nav-header-controls .language-selector-wrapper {
    margin: 0;
}

/* Active link styling - fallback */
.nav-link.active {
    color: var(--pico-primary);
    background: var(--pico-primary-focus);
}

/* Sidebar Navigation - Works on all screen sizes */
.nav-menu {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    height: 100dvh;
    width: 300px;
    max-width: 85vw;
    background: var(--pico-background-color);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    z-index: 1000;
    transform: translateX(-100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 8px 0 40px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
    border-right: 1px solid var(--pico-border-color);
}

.nav-menu[aria-expanded="true"] {
    transform: translateX(0);
}

.nav-links {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 25px 1rem 2rem;
    height: auto;
    min-height: 100%;
    list-style: none;
    margin: 0;
}

.nav-links>li {
    width: 100%;
    margin: 0;
}

.nav-controls {
    width: 100%;
    margin: 0;
    display: flex;
    align-items: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--pico-border-color);
}

.nav-link {
    display: flex;
    align-items: center;
    width: 100%;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    font-size: 1rem;
    min-height: 52px;
    font-weight: 500;
    margin-bottom: 0.25rem;
    color: var(--pico-color);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    gap: 0.5rem;
}

.nav-link:hover,
.nav-link.active {
    background: var(--pico-primary-focus);
    color: var(--pico-primary);
}

.nav-control-group {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    flex-wrap: wrap;
}

/* Theme toggle in sidebar */
.nav-control-group .theme-toggle {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.25s ease;
    flex-shrink: 0;
}

.nav-control-group .theme-toggle:hover {
    border-color: var(--pico-primary);
    background: var(--pico-primary-focus);
}

/* Language selector in sidebar */
.nav-control-group .language-selector-wrapper {
    flex: 1;
    min-width: 100px;
}

.nav-control-group .language-selector {
    width: 100%;
    height: 48px;
    border-radius: 12px;
    font-size: 0.9375rem;
    padding: 0 0.75rem;
    margin: 0;
}

/* Overlay for sidebar */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    height: 100dvh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.35s ease, visibility 0.35s ease;
}

.nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Mobile-specific adjustments */
@media (max-width: 991px) {
    .main-nav {
        padding: 0.75rem 0;
        min-height: 60px;
        transition: padding 0.3s cubic-bezier(0.4, 0, 0.2, 1), min-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled {
        padding: 0.5rem 0;
        min-height: 48px;
    }

    .main-header {
        transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                    background 0.3s ease,
                    backdrop-filter 0.3s ease;
    }

    .main-header.scrolled {
        box-shadow: var(--shadow-md);
    }

    /* Frosted glass header on scroll (progressive enhancement) */
    @supports (backdrop-filter: blur(1px)) {
        .main-header.scrolled {
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
    }

    .nav-brand {
        transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled .nav-brand {
        margin-left: 0.25rem;
    }

    .brand-link {
        font-size: 1.25rem;
        transition: font-size 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled .brand-link {
        font-size: 1.1rem;
    }

    .brand-logo {
        height: 96px;
        max-width: 500px;
        transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled .brand-logo {
        height: 32px;
        max-width: 150px;
    }

    .brand-logo-mobile {
        height: 95px;
        max-width: 450px;
        transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
}

/* Desktop - Keep sidebar navigation, just wider */
@media (min-width: 992px) {
    .nav-menu {
        width: 350px;
        max-width: 350px;
    }

    .nav-link {
        font-size: 1.1rem;
        padding: 1.125rem 1.5rem;
    }

    .brand-logo-mobile {
        height: 110px;
        max-width: 500px;
    }
}

/* Large Desktop */
@media (min-width: 1200px) {
    .nav-menu {
        width: 380px;
    }

    .nav-header-controls {
        gap: 0.75rem;
    }

    .nav-header-controls .btn-logout {
        padding: 0.625rem 1.25rem;
    }
}

/* Extra Large Desktop */
@media (min-width: 1400px) {
    .nav-menu {
        width: 400px;
    }
}

/* ============================================
   Theme Toggle & Language Selector Styles
   ============================================ */

/* Desktop controls (outside nav-menu) */
.nav-controls-desktop {
    display: none;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
    margin-right: 0.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    min-width: 44px;
    min-height: 44px;
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: 10px;
    cursor: pointer;
    padding: 0;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    flex-shrink: 0;
}

.theme-toggle:hover {
    background: var(--pico-form-element-hover-background-color);
    border-color: var(--pico-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--pico-primary-focus);
}

.theme-icon-light,
.theme-icon-dark {
    font-size: 1.1rem;
    line-height: 1;
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}


.theme-icon-dark {
    display: flex;
}

[data-theme="light"] .theme-icon-light {
    display: none;
}

[data-theme="light"] .theme-icon-dark {
    display: flex;
}

/* Language Selector */
.language-selector-wrapper {
    position: relative;
}

.language-selector {
    padding: 0.5rem 2rem 0.5rem 0.75rem;
    background: var(--pico-form-element-background-color);
    border: 1px solid var(--pico-border-color);
    border-radius: 10px;
    color: var(--pico-color);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23000' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 12px;
    min-width: 120px;
}

[data-theme="dark"] .language-selector {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23fff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
}

.language-selector:hover {
    background-color: var(--pico-form-element-hover-background-color);
    border-color: var(--pico-primary);
}

.language-selector:focus {
    outline: none;
    border-color: var(--color-info);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.language-selector option {
    background: var(--pico-background-color);
    color: var(--pico-color);
}

/* Light theme adjustments */
[data-theme="light"] .theme-toggle {
    background: var(--pico-form-element-background-color);
    border-color: var(--pico-border-color);
}

[data-theme="light"] .theme-toggle:hover {
    background: var(--pico-form-element-hover-background-color);
    border-color: var(--pico-primary);
}

/* Mobile adjustments for theme/language */
@media (max-width: 991px) {
    .nav-controls-desktop {
        display: none !important;
    }

    .nav-controls {
        margin-left: 0;
        margin-top: 1rem;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        width: 100%;
        display: flex !important;
    }

    .nav-control-group {
        width: 100%;
        justify-content: space-between;
        display: flex !important;
    }

    .theme-toggle {
        width: 52px;
        height: 52px;
        min-width: 52px;
        min-height: 52px;
        display: inline-flex !important;
    }

    .language-selector {
        width: 100%;
        min-width: 0;
        display: block !important;
        font-size: 1rem;
        padding: 0.75rem 2rem 0.75rem 1rem;
    }

    .language-selector-wrapper {
        display: block !important;
        width: 100%;
    }

    .btn-logout-mobile {
        width: 100%;
    }
}

[data-theme="light"] .nav-controls {
    border-top-color: var(--pico-border-color);
}

/* Notification badge styling */
.notification-badge {
    position: relative;
}

.notification-badge .badge {
    background: var(--color-error);
    color: white;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

.nav-notification-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    color: var(--pico-color);
    text-decoration: none;
    border-radius: 50%;
    transition: background 0.2s;
}

.nav-notification-link:hover {
    background: var(--pico-card-background-color);
}

.notification-badge-count {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--color-error);
    color: white;
    border-radius: 50%;
    font-size: 0.7rem;
    font-weight: bold;
    border: 2px solid var(--pico-background-color);
    min-width: 18px;
    min-height: 18px;
    text-align: center;
    padding: 0;
}

.bottom-nav-item .notification-badge-count {
    position: absolute;
    top: 2px;
    right: 2px;
    background: var(--color-error);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: bold;
    border: 2px solid var(--pico-card-background-color);
    padding: 0;
}

.bottom-nav-item {
    position: relative;
}

.nav-link .notification-badge-count {
    display: inline-block;
    background: var(--color-error);
    color: white;
    padding: 0.15rem 0.4rem;
    border-radius: 10px;
    font-size: 0.75rem;
    margin-left: 0.25rem;
}

/* ============================================
   Tabs
   ============================================ */

.tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--pico-border-color);
    padding-bottom: 0.5rem;
}

.tab {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: transparent;
    border: none;
    color: var(--pico-muted-color);
    cursor: pointer;
    border-radius: 8px 8px 0 0;
    transition: all 0.2s;
}

.tab:hover {
    color: var(--pico-color);
    background: var(--color-info-bg);
}

.tab.active {
    color: var(--pico-primary);
    background: var(--color-info-light);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.tab-content h2 {
    margin-bottom: 1rem;
}

/* ============================================
   Page Layout Utilities
   ============================================ */

.page-container {
    max-width: 1200px;
    margin: 0 auto;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    margin: 0;
}

/* Page section for consistent vertical spacing */
.page-section {
    margin-bottom: var(--spacing-xl);
}

.page-section:last-child {
    margin-bottom: 0;
}

.back-link {
    color: var(--pico-muted-color);
    text-decoration: none;
    font-size: var(--font-size-sm);
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--pico-primary);
}

/* Header actions */
.header-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
    width: 100%;
    max-width: 100%;
}

.header-actions .btn {
    white-space: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

@media (max-width: 768px) {
    .page-header {
        flex-direction: column;
        align-items: stretch;
    }

    .page-header h1 {
        width: 100%;
    }

    .header-actions {
        width: 100%;
        gap: 0.5rem;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
    }

    .header-actions .btn {
        width: 100%;
        font-size: 0.875rem;
        padding: 0.625rem 0.875rem;
        justify-content: center;
    }

    .header-actions .btn span {
        margin-right: 0.25rem;
    }
}

@media (max-width: 480px) {
    .header-actions {
        grid-template-columns: 1fr;
    }
}

/* Page subtitle */
.page-subtitle {
    margin: 0.25rem 0 0 0;
    color: var(--pico-muted-color);
}

/* Section toggle */
.section-toggle {
    background: none;
    border: none;
    color: var(--pico-color);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0;
    width: 100%;
    text-align: left;
}

.section-toggle:hover {
    color: var(--pico-primary);
}

.toggle-icon {
    margin-left: auto;
    font-size: 0.8rem;
}

.advanced-section {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--pico-border-color);
}

.section-description {
    color: var(--pico-muted-color);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Section header */
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: 1.25rem;
    margin: 0;
}
/* ============================================
   PWA Install Banner
   ============================================ */

.pwa-install-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--pico-background-color, #fff);
    border-top: 2px solid var(--pico-primary, #007bff);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 9999;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    animation: slideUpBanner 0.3s ease-out;
}

.pwa-install-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

.pwa-install-text {
    flex: 1;
    min-width: 200px;
}

.pwa-install-text strong {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 1.1rem;
}

.pwa-install-text p {
    margin: 0.25rem 0 0 0;
    font-size: 0.9rem;
    color: var(--pico-muted-color, #666);
}

.pwa-install-actions {
    display: flex;
    gap: 0.5rem;
    flex-shrink: 0;
}

.pwa-close-button {
    background: none;
    border: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    color: var(--pico-muted-color, #666);
    padding: 0.25rem 0.5rem;
    flex-shrink: 0;
    transition: color 0.2s;
}

.pwa-close-button:hover {
    color: var(--pico-color, #000);
}

@media (max-width: 768px) {
    .pwa-install-banner {
        flex-direction: column;
        align-items: stretch;
    }

    .pwa-install-content {
        flex-direction: column;
        align-items: stretch;
    }

    .pwa-install-actions {
        width: 100%;
        justify-content: stretch;
    }

    .pwa-install-actions button {
        flex: 1;
    }

    .pwa-close-button {
        position: absolute;
        top: 0.5rem;
        right: 0.5rem;
    }
}

/* ============================================
   iOS Install Instructions Page
   ============================================ */

.install-ios-container {
    max-width: 800px;
    margin: 2rem auto;
}

.install-ios-intro {
    font-size: 1.1em;
    margin-bottom: 2rem;
}

.install-step-card {
    background-color: var(--pico-card-background-color, #fff);
    border: 1px solid var(--pico-border-color, #ddd);
    border-radius: 8px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.install-step-card h2 {
    margin-top: 0;
}

.install-step-note {
    background: var(--pico-background-color, #f5f5f5);
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
}

.install-step-icon {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1rem;
    background: var(--pico-background-color, #f5f5f5);
    border-radius: 4px;
}

.install-step-icon-emoji {
    font-size: 2em;
}

.install-step-icon-content {
    flex: 1;
}

.install-step-icon-content p {
    margin: 0.5rem 0 0 0;
    font-size: 0.9em;
    opacity: 0.8;
}

.install-complete-card {
    background: linear-gradient(135deg, var(--pico-primary) 0%, var(--pico-primary-hover) 100%);
    border-radius: 8px;
    padding: 2rem;
    color: var(--pico-primary-inverse);
    margin-top: 2rem;
}

.install-complete-card h3 {
    color: var(--pico-primary-inverse);
    margin-top: 0;
}

.install-complete-card p {
    margin-bottom: 1.5rem;
}

.install-complete-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.install-complete-actions a[role="button"] {
    background: var(--pico-primary-inverse);
    color: var(--pico-primary);
    border: none;
    font-weight: bold;
}

/* ==========================================================================
   Mobile Bottom Navigation - PWA Style
   ========================================================================== */

/* Hide bottom nav on desktop, show on mobile */
.bottom-nav,
.bottom-sheet,
.bottom-sheet-overlay {
    display: none;
}

@media (max-width: 768px) {

    /* ==========================================================================
       Bottom Navigation Bar
       ========================================================================== */
    .bottom-nav {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 64px;
        background: var(--pico-card-background-color);
        border-top: 1px solid var(--pico-muted-border-color);
        z-index: 1000;
        padding-bottom: env(safe-area-inset-bottom);
        justify-content: space-around;
        align-items: center;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    }

    /* Add padding to main content to account for bottom nav */
    main.container {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    /* Keep footer visible on mobile (Terms/Privacy); add padding so it sits above bottom nav */
    footer.container {
        padding-bottom: calc(80px + env(safe-area-inset-bottom));
    }

    /* Hide hamburger menu on mobile */
    .mobile-menu-toggle {
        display: none !important;
    }

    .nav-menu {
        display: none !important;
    }

    .btn-cta-primary[type=button],
    .btn-cta-primary[type=reset],
    .btn-cta-primary[type=submit] {
        margin-top: 1rem;
    }

    /* ==========================================================================
       Nav Items
       ========================================================================== */
    .bottom-nav-item {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        text-decoration: none;
        color: var(--pico-muted-color);
        padding: 8px 12px;
        border-radius: 8px;
        transition: color 0.2s ease, background-color 0.2s ease;
        background: none;
        border: none;
        cursor: pointer;
        font-family: inherit;
        -webkit-tap-highlight-color: transparent;
        width: 78px;
    }

    .bottom-nav-item:hover,
    .bottom-nav-item:focus {
        color: var(--pico-primary);
        background: rgba(var(--pico-primary-rgb), 0.1);
        outline: none;
    }

    .bottom-nav-item.active {
        color: var(--pico-primary);
        position: relative;
    }

    .bottom-nav-item.active::before {
        content: '';
        position: absolute;
        top: -1px;
        left: 50%;
        transform: translateX(-50%);
        width: 24px;
        height: 3px;
        background: var(--gradient-primary);
        border-radius: 0 0 3px 3px;
    }

    .bottom-nav-item.loading {
        pointer-events: none;
        opacity: 0.7;
        position: relative;
    }

    .bottom-nav-spinner {
        display: inline-block;
        border: 2px solid currentColor;
        border-right-color: transparent;
        border-radius: 50%;
        animation: bottom-nav-spin 0.8s linear infinite;
        box-sizing: border-box;
        flex-shrink: 0;
    }

    .bottom-nav-icon-main .bottom-nav-spinner {
        border-color: rgba(255, 255, 255, 0.3);
        border-right-color: white;
    }

    @keyframes bottom-nav-spin {
        from {
            transform: rotate(0deg);
        }

        to {
            transform: rotate(360deg);
        }
    }

    .bottom-nav-icon {
        width: 24px;
        height: 24px;
        margin-bottom: 2px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .bottom-nav-icon .notification-badge-count {
        position: absolute;
        top: -4px;
        right: -4px;
        background: var(--color-error);
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.65rem;
        font-weight: bold;
        border: 2px solid var(--pico-card-background-color);

        padding: 0;
    }

    .bottom-nav-icon svg {
        width: 24px;
        height: 24px;
    }

    .bottom-nav-icon .theme-icon-light,
    .bottom-nav-icon .theme-icon-dark {
        font-size: 1.25rem;
        line-height: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 100%;
        height: 100%;
    }

    .bottom-nav-label {
        font-size: 12px;
        font-weight: 500;
        line-height: 1.2;
    }

    /* ==========================================================================
       Main Action Button (Log Workout)
       ========================================================================== */
    .bottom-nav-item-main {
        position: relative;
        margin-top: -24px;
        padding: 0;
        height: 56px;
    }

    .bottom-nav-icon-main {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 56px;
        height: 56px;
        background: var(--pico-primary);
        border-radius: 50%;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

    .bottom-nav-icon-main svg {
        width: 28px;
        height: 28px;
        color: white;
        stroke: white;
    }

    .bottom-nav-item-main.loading {
        pointer-events: none;
        opacity: 0.8;
    }

    .bottom-nav-item-main.loading .bottom-nav-icon-main {
        background: var(--pico-primary-hover);
    }

    .bottom-nav-item-main:hover .bottom-nav-icon-main,
    .bottom-nav-item-main:focus .bottom-nav-icon-main {
        transform: scale(1.05);
        box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    }

    .bottom-nav-item-main:active .bottom-nav-icon-main {
        transform: scale(0.95);
    }

    .bottom-nav-item-main.active .bottom-nav-icon-main {
        background: var(--pico-primary-hover);
    }

    .bottom-nav-label-main {
        position: absolute;
        bottom: -16px;
        font-size: 12px;
        font-weight: 600;
        color: var(--pico-primary);
    }

    /* ==========================================================================
       Bottom Sheet Overlay
       ========================================================================== */
    .bottom-sheet-overlay {
        display: block;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1001;
        opacity: 0;
        visibility: hidden;
        transition: opacity 0.3s ease, visibility 0.3s ease;
    }

    .bottom-sheet-overlay.active {
        opacity: 1;
        visibility: visible;
    }

    /* ==========================================================================
       Bottom Sheet
       ========================================================================== */
    .bottom-sheet {
        display: block;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 85vh;
        background: var(--pico-card-background-color);
        border-radius: 16px 16px 0 0;
        z-index: 1002;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.32, 0.72, 0, 1);
        overflow: hidden;
        padding-bottom: env(safe-area-inset-bottom);
    }

    .bottom-sheet.active {
        transform: translateY(0);
    }

    .bottom-sheet-header {
        display: flex;
        justify-content: center;
        padding: 12px;
        cursor: grab;
    }

    .bottom-sheet-handle {
        width: 36px;
        height: 4px;
        background: var(--pico-muted-border-color);
        border-radius: 2px;
    }

    .bottom-sheet-content {
        padding: 0 16px 16px;
        overflow-y: auto;
        max-height: calc(85vh - 40px);
        -webkit-overflow-scrolling: touch;
    }

    /* ==========================================================================
       Bottom Sheet Sections
       ========================================================================== */
    .bottom-sheet-section {
        margin-bottom: 16px;
    }

    .bottom-sheet-section:last-child {
        margin-bottom: 0;
    }

    .bottom-sheet-section-title {
        font-size: 12px;
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        color: var(--pico-muted-color);
        margin: 0 0 8px 4px;
    }

    .bottom-sheet-section-logout {
        margin-top: 8px;
        padding-top: 16px;
        border-top: 1px solid var(--pico-muted-border-color);
    }

    /* ==========================================================================
       Bottom Sheet Items
       ========================================================================== */
    .bottom-sheet-item {
        display: flex;
        align-items: center;
        gap: 12px;
        width: 100%;
        padding: 14px 12px;
        border-radius: 12px;
        text-decoration: none;
        color: var(--pico-color);
        background: none;
        border: none;
        cursor: pointer;
        font-family: inherit;
        font-size: 15px;
        text-align: left;
        transition: background-color 0.15s ease;
        -webkit-tap-highlight-color: transparent;
    }

    .bottom-sheet-item:hover,
    .bottom-sheet-item:focus {
        background: var(--pico-form-element-background-color);
        outline: none;
    }

    .bottom-sheet-item:active {
        background: var(--pico-muted-border-color);
    }

    .bottom-sheet-icon {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--pico-form-element-background-color);
        border-radius: 8px;
        flex-shrink: 0;
    }

    .bottom-sheet-icon svg {
        width: 20px;
        height: 20px;
    }

    .bottom-sheet-item-danger {
        color: var(--color-error);
    }

    .bottom-sheet-item-danger .bottom-sheet-icon {
        background: var(--color-error-bg);
    }

    .bottom-sheet-item-danger svg {
        stroke: var(--color-error);
    }

    /* ==========================================================================
       Settings Items
       ========================================================================== */
    .bottom-sheet-item-settings {
        justify-content: flex-start;
    }

    .bottom-sheet-item-settings span:nth-child(2) {
        flex: 1;
    }

    /* ==========================================================================
       Loading State for Bottom Sheet Items
       ========================================================================== */
    .bottom-sheet-item.loading {
        position: relative;
        pointer-events: none;
        opacity: 0.7;
    }

    .bottom-sheet-item.loading::after {
        content: "";
        position: absolute;
        width: 12px;
        height: 12px;
        border: 2px solid currentColor;
        border-right-color: transparent;
        border-radius: 50%;
        animation: spin 0.6s linear infinite;
        right: 0.75rem;
        top: 50%;
        transform: translateY(-50%);
    }

    @keyframes spin {
        from {
            transform: rotate(0deg);
        }

        to {
            transform: rotate(360deg);
        }
    }

    /* Font Scale Controls */
    .font-scale-controls {
        display: flex;
        align-items: center;
        gap: 4px;
        margin-left: auto;
    }

    .font-scale-btn {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 32px;
        background: var(--pico-form-element-background-color);
        border: 1px solid var(--pico-muted-border-color);
        border-radius: 6px;
        cursor: pointer;
        font-size: 13px;
        font-weight: 700;
        color: var(--pico-color);
        transition: all 0.15s ease;
        touch-action: manipulation;
    }

    .font-scale-btn:hover {
        border-color: var(--pico-primary);
        background: var(--pico-primary-focus);
    }

    .font-scale-btn:active {
        transform: scale(0.95);
    }

    .font-scale-value {
        font-size: 13px;
        font-weight: 600;
        min-width: 40px;
        text-align: center;
        color: var(--pico-color);
    }

    .theme-toggle-mobile {
        display: flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 32px;
        background: var(--pico-form-element-background-color);
        border: 1px solid var(--pico-muted-border-color);
        border-radius: 8px;
        cursor: pointer;
        font-size: 16px;
    }

    .language-selector-mobile {
        width: auto;
        min-width: 80px;
        padding: 6px 10px;
        font-size: 13px;
        border-radius: 8px;
        background: var(--pico-form-element-background-color);
        border: 1px solid var(--pico-muted-border-color);
        color: var(--pico-color);
        margin: 0;
    }

    /* ==========================================================================
       Accessibility
       ========================================================================== */
    .visually-hidden {
        position: absolute;
        width: 1px;
        height: 1px;
        padding: 0;
        margin: -1px;
        overflow: hidden;
        clip: rect(0, 0, 0, 0);
        white-space: nowrap;
        border: 0;
    }

    /* ==========================================================================
       Header Adjustments for Mobile
       ========================================================================== */
    .main-header {
        position: sticky;
        top: 0;
        z-index: 999;
        transition: box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-header.scrolled {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .main-nav {
        transition: padding 0.3s cubic-bezier(0.4, 0, 0.2, 1), min-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled {
        padding: 0.5rem 0.5rem 0 0.5rem;
        min-height: 48px;
    }

    .nav-brand {
        transition: margin-left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled .nav-brand {
        margin-left: 0.25rem;
    }

    .brand-logo {
        transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1), max-width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .main-nav.scrolled .brand-logo {
        height: 32px;
        max-width: 150px;
    }

    .nav-header-controls {
        display: flex;
        align-items: center;
        gap: 8px;
    }
}

/* ==========================================================================
   Desktop Overrides - Ensure desktop menu stays visible
   ========================================================================== */
@media (min-width: 769px) {
    .nav-menu {
        display: block;
    }
}