/* ========================================
   MODERN FITNESS TRACKER - DESIGN SYSTEM
   ======================================== */

/* CSS Variables - Design Tokens */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Success/Green */
    --success-50: #f0fdf4;
    --success-100: #dcfce7;
    --success-200: #bbf7d0;
    --success-300: #86efac;
    --success-400: #4ade80;
    --success-500: #22c55e;
    --success-600: #16a34a;
    --success-700: #15803d;
    --success-800: #166534;

    /* Danger/Red */
    --danger-50: #fef2f2;
    --danger-100: #fee2e2;
    --danger-200: #fecaca;
    --danger-300: #fca5a5;
    --danger-400: #f87171;
    --danger-500: #ef4444;
    --danger-600: #dc2626;
    --danger-700: #b91c1c;
    --danger-800: #991b1b;

    /* Warning/Yellow */
    --warning-50: #fffbeb;
    --warning-100: #fef3c7;
    --warning-200: #fde68a;
    --warning-300: #fcd34d;
    --warning-400: #fbbf24;
    --warning-500: #f59e0b;
    --warning-600: #d97706;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --background: #f8fafc;
    --surface: #ffffff;
    --surface-hover: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-tertiary: #94a3b8;
    --border-light: #e2e8f0;
    --border-medium: #cbd5e1;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
}

/* ========================================
   BASE STYLES
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: 'Fira Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.025em;
}

h1 {
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 1.375rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    background: var(--surface);
    border-bottom: 1px solid var(--border-light);
    padding: var(--spacing-sm) var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav-brand {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.05em;
}

.nav-quick-add {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    border-radius: var(--radius-full);
    font-size: 1.5rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    margin-left: auto;
    margin-right: var(--spacing-sm);
    line-height: 1;
}

.nav-quick-add:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
    background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-600) 100%);
}

.nav-quick-add:active {
    transform: scale(0.95);
}

.nav-links {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    font-weight: 500;
    font-size: 0.9375rem;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--primary-600);
    transition: transform var(--transition-base);
}

.nav-links a:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.nav-links a:hover::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--gray-100);
    border-radius: var(--radius-full);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.nav-user::before {
    content: '👤';
    font-size: 1.125rem;
}

/* Dropdown */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-toggle {
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.9375rem;
    font-family: inherit;
    font-weight: 500;
    transition: all var(--transition-base);
}

.dropdown-toggle:hover,
.dropdown:hover .dropdown-toggle {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    padding-top: var(--spacing-sm);
    background-color: var(--surface);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    min-width: 180px;
    z-index: 1000;
    padding: var(--spacing-sm);
    animation: slideDown var(--transition-base);
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    text-decoration: none;
    transition: all var(--transition-base);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
}

.dropdown-menu a:hover {
    background-color: var(--primary-50);
    color: var(--primary-600);
    transform: translateX(4px);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--spacing-lg) var(--spacing-xl);
}

/* ========================================
   LOGIN PAGE
   ======================================== */

.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: var(--background);
}

.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xl);
    width: 100%;
    max-width: 340px;
    padding: var(--spacing-xl);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    width: 100%;
}

.login-form input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    background: var(--surface);
    color: var(--text-primary);
    transition: border-color var(--transition-base);
    box-sizing: border-box;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-500);
}

.login-form .btn {
    width: 100%;
    margin-top: var(--spacing-xs);
}

/* ========================================
   FORMS
   ======================================== */

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-family: inherit;
    transition: all var(--transition-base);
    background-color: var(--surface);
}

.form-group input:hover,
.form-group select:hover,
.form-group textarea:hover {
    border-color: var(--border-medium);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
    background-color: var(--surface);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

/* ========================================
   BUTTONS
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    font-family: inherit;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width var(--transition-slow), height var(--transition-slow);
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-success {
    background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger-500) 0%, var(--danger-600) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-sm {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* ========================================
   CARDS
   ======================================== */

.card {
    background-color: var(--surface);
    padding: var(--spacing-md);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

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

.card h2 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ========================================
   METRIC DESCRIPTION
   ======================================== */

.metric-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
    line-height: 1.5;
    font-weight: 400;
}

/* ========================================
   TABLES
   ======================================== */

.data-table,
.dashboard-table {
    width: 100%;
    background-color: var(--surface);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-light);
}

.data-table thead,
.dashboard-table thead {
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
}

.data-table th,
.dashboard-table th {
    padding: var(--spacing-md) var(--spacing-lg);
    text-align: left;
    font-weight: 700;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-medium);
}

.data-table td,
.dashboard-table td {
    padding: var(--spacing-md) var(--spacing-lg);
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.data-table tbody tr,
.dashboard-table tbody tr {
    transition: all var(--transition-base);
}

.data-table tbody tr:hover,
.dashboard-table tbody tr:hover {
    background-color: var(--primary-50);
    transform: scale(1.01);
}

.data-table tbody tr:last-child td,
.dashboard-table tbody tr:last-child td {
    border-bottom: none;
}

/* ========================================
   STATUS BADGES
   ======================================== */

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.8125rem;
    text-align: center;
    letter-spacing: 0.025em;
    text-transform: uppercase;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.status-badge::before {
    content: '●';
    font-size: 0.75rem;
}

.status-green {
    background: linear-gradient(135deg, var(--success-100) 0%, var(--success-200) 100%);
    color: var(--success-800);
    border: 1px solid var(--success-300);
}

.status-green:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.status-red {
    background: linear-gradient(135deg, var(--danger-100) 0%, var(--danger-200) 100%);
    color: var(--danger-800);
    border: 1px solid var(--danger-300);
}

.status-red:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

.status-yellow {
    background: linear-gradient(135deg, var(--warning-100) 0%, var(--warning-200) 100%);
    color: var(--warning-600);
    border: 1px solid var(--warning-300);
}

/* ========================================
   ALERTS
   ======================================== */

.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-top: var(--spacing-md);
    border-left: 4px solid;
    animation: slideIn var(--transition-base);
    box-shadow: var(--shadow-sm);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.alert-success {
    background-color: var(--success-50);
    color: var(--success-800);
    border-left-color: var(--success-500);
}

.alert-danger {
    background-color: var(--danger-50);
    color: var(--danger-800);
    border-left-color: var(--danger-500);
}

.alert-warning {
    background-color: var(--warning-50);
    color: var(--warning-600);
    border-left-color: var(--warning-500);
}

/* ========================================
   TABS
   ======================================== */

.tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--border-light);
    overflow-x: auto;
}

.tab-button {
    padding: var(--spacing-md) var(--spacing-xl);
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    font-size: 0.9375rem;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.tab-button:hover {
    color: var(--primary-600);
    background-color: var(--primary-50);
}

.tab-button.active {
    color: var(--primary-600);
    border-bottom-color: var(--primary-600);
}

.tab-content {
    display: none;
    animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

/* ========================================
   UTILITIES
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-2xl) var(--spacing-xl);
    color: var(--text-tertiary);
    font-size: 1.125rem;
}

.empty-state::before {
    content: '📊';
    display: block;
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.form-result {
    margin-top: var(--spacing-md);
}

/* Progress bars for future use */
.progress-bar {
    width: 100%;
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-500) 0%, var(--primary-600) 100%);
    transition: width var(--transition-slow);
    border-radius: var(--radius-full);
}

/* ========================================
   HAMBURGER MENU
   ======================================== */

.nav-hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    transition: background var(--transition-fast);
}

.nav-hamburger:hover {
    background: var(--primary-50);
}

.nav-hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-base);
}

/* Page header pattern used across pages */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
    flex-wrap: wrap;
}

.page-header h1 {
    margin-bottom: 0;
}

.page-header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .navbar {
        flex-wrap: wrap;
        padding: var(--spacing-sm) var(--spacing-md);
        gap: 0;
    }

    .nav-quick-add {
        margin-left: auto;
        margin-right: var(--spacing-sm);
    }

    .nav-hamburger {
        display: flex;
    }

    .nav-links {
        display: none;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-light);
        margin-top: var(--spacing-sm);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a,
    .nav-links .dropdown-toggle {
        padding: var(--spacing-sm) var(--spacing-md);
        text-align: left;
        border-radius: var(--radius-md);
        width: 100%;
    }

    .nav-links .dropdown {
        width: 100%;
    }

    .nav-links .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 0 0 0 var(--spacing-md);
        display: block;
        animation: none;
        background: none;
    }

    .nav-links .dropdown-menu a {
        font-size: 0.875rem;
    }

    .nav-user {
        padding: var(--spacing-sm) var(--spacing-md);
        background: none;
        border-radius: 0;
        font-size: 0.875rem;
        color: var(--text-secondary);
    }

    .container {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    h1 {
        font-size: 1.375rem;
    }

    .card {
        padding: var(--spacing-md);
    }

    /* Tables: show as stacked cards on mobile */
    .data-table,
    .dashboard-table {
        display: block;
        border-radius: var(--radius-lg);
    }

    .data-table thead,
    .dashboard-table thead {
        display: none;
    }

    .data-table tbody,
    .dashboard-table tbody {
        display: block;
    }

    .data-table tr,
    .dashboard-table tr {
        display: block;
        border-bottom: 2px solid var(--border-light);
        padding: var(--spacing-md);
    }

    .data-table tr:last-child,
    .dashboard-table tr:last-child {
        border-bottom: none;
    }

    .data-table tbody tr:hover,
    .dashboard-table tbody tr:hover {
        transform: none;
    }

    .data-table td,
    .dashboard-table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.3rem 0;
        border-bottom: none;
        font-size: 0.9rem;
    }

    /* Label for each cell from data-label attribute */
    .data-table td[data-label]::before,
    .dashboard-table td[data-label]::before {
        content: attr(data-label);
        font-weight: 700;
        color: var(--text-primary);
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        margin-right: var(--spacing-sm);
        flex-shrink: 0;
    }

    /* Full-width action cells */
    .data-table td[data-label="Actions"],
    .dashboard-table td[data-label="Actions"] {
        justify-content: flex-end;
        padding-top: var(--spacing-sm);
        margin-top: var(--spacing-xs);
        border-top: 1px solid var(--border-light);
        gap: 0.5rem;
    }

    .data-table td[data-label="Actions"]::before,
    .dashboard-table td[data-label="Actions"]::before {
        display: none;
    }

    .btn {
        min-height: 44px;
    }

    .btn-sm {
        min-height: 36px;
    }

    .page-header {
        margin-bottom: 1.25rem;
    }

    .tabs {
        gap: 0;
    }

    .tab-button {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: var(--spacing-xl);
        border-radius: var(--radius-xl);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .page-header-actions .btn {
        flex: 1;
        justify-content: center;
    }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Focus states for accessibility */
*:focus-visible {
    outline: 3px solid var(--primary-400);
    outline-offset: 2px;
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --background: #0f172a;
        --surface: #1e293b;
        --surface-hover: #334155;
        --text-primary: #f1f5f9;
        --text-secondary: #cbd5e1;
        --text-tertiary: #94a3b8;
        --border-light: #334155;
        --border-medium: #475569;
    }
}