/* ============================================================
   GRAZZ Tournament Management Platform
   Design System & Core Styles
   ============================================================ */

/* ============================================================
   CSS Reset & Base
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--background);
    transition: background-color 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover {
    color: var(--accent-hover);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

ul, ol {
    list-style: none;
}

/* ============================================================
   Design Tokens - Light Mode (Default)
   ============================================================ */
:root {
    /* Brand Colors */
    --primary: #123d2d;
    --primary-hover: #0d2e22;
    --primary-light: #1a5240;
    --accent: #14785f;
    --accent-hover: #0f5c4a;
    --accent-light: #1e9478;
    
    /* Backgrounds */
    --background: #ffffff;
    --surface: #ffffff;
    --surface-secondary: #f7f9f8;
    --surface-tertiary: #eef2f0;
    --surface-hover: #f0f4f2;
    
    /* Text */
    --text-primary: #0f1e17;
    --text-secondary: #4a5d54;
    --text-tertiary: #7a8b83;
    --text-inverse: #ffffff;
    --text-muted: #9aa8a2;
    
    /* Borders */
    --border: #e0e6e2;
    --border-light: #eef2f0;
    --border-strong: #c8d2cc;
    
    /* Status Colors */
    --success: #15803d;
    --success-bg: #dcfce7;
    --success-border: #86efac;
    --warning: #b45309;
    --warning-bg: #fef3c7;
    --warning-border: #fcd34d;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --danger-border: #fca5a5;
    --info: #0284c7;
    --info-bg: #dbeafe;
    --info-border: #93c5fd;
    --accent-status-bg: #d1fae5;
    --accent-status-border: #6ee7b7;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(15, 30, 23, 0.05);
    --shadow-sm: 0 1px 3px rgba(15, 30, 23, 0.08), 0 1px 2px rgba(15, 30, 23, 0.04);
    --shadow-md: 0 4px 6px -1px rgba(15, 30, 23, 0.08), 0 2px 4px -2px rgba(15, 30, 23, 0.04);
    --shadow-lg: 0 10px 15px -3px rgba(15, 30, 23, 0.08), 0 4px 6px -4px rgba(15, 30, 23, 0.04);
    --shadow-xl: 0 20px 25px -5px rgba(15, 30, 23, 0.1), 0 8px 10px -6px rgba(15, 30, 23, 0.05);
    --shadow-2xl: 0 25px 50px -12px rgba(15, 30, 23, 0.15);
    --shadow-primary: 0 4px 14px 0 rgba(18, 61, 45, 0.25);
    --shadow-accent: 0 4px 14px 0 rgba(20, 120, 95, 0.3);
    
    /* Spacing */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
    --transition-slower: 400ms ease;
    
    /* Typography */
    --font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Layout */
    --header-height: 72px;
    --sidebar-width: 260px;
    --container-max: 1280px;
    --container-narrow: 768px;
    --container-wide: 1440px;
}

/* ============================================================
   Dark Mode
   ============================================================ */
[data-theme="dark"] {
    --primary: #1e9478;
    --primary-hover: #14785f;
    --primary-light: #2bbf9a;
    --accent: #2bbf9a;
    --accent-hover: #1e9478;
    --accent-light: #40dab5;
    
    --background: #0a1612;
    --surface: #0f1e17;
    --surface-secondary: #14241c;
    --surface-tertiary: #1a2e24;
    --surface-hover: #1e3429;
    
    --text-primary: #e8f5ee;
    --text-secondary: #a8c4b8;
    --text-tertiary: #7a9388;
    --text-inverse: #0a1612;
    --text-muted: #5a7268;
    
    --border: #1e3429;
    --border-light: #1a2e24;
    --border-strong: #2e4a3e;
    
    --success: #4ade80;
    --success-bg: #0a2818;
    --success-border: #15803d;
    --warning: #fbbf24;
    --warning-bg: #2a1f08;
    --warning-border: #b45309;
    --danger: #f87171;
    --danger-bg: #2a0e0e;
    --danger-border: #dc2626;
    --info: #38bdf8;
    --info-bg: #0a1e2a;
    --info-border: #0284c7;
    --accent-status-bg: #0a2a20;
    --accent-status-border: #14785f;
    
    --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);
    --shadow-primary: 0 4px 14px 0 rgba(30, 148, 120, 0.3);
    --shadow-accent: 0 4px 14px 0 rgba(43, 191, 154, 0.3);
}

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* All headings inside green/primary background sections = white */
.hero h1, .hero h2, .hero h3, .hero h4, .hero h5, .hero h6,
.hero-title,
.tournament-card-image h1, .tournament-card-image h2, .tournament-card-image h3,
.brand-icon,
.section[class*="primary"] h1, .section[class*="primary"] h2, .section[class*="primary"] h3,
.section[class*="primary"] h4, .section[class*="primary"] h5, .section[class*="primary"] h6,
.cta-section h1, .cta-section h2, .cta-section h3,
.mobile-nav-header h1, .mobile-nav-header h2, .mobile-nav-header h3 {
    color: #ffffff;
}

h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 2rem); }
h4 { font-size: clamp(1.125rem, 2vw, 1.5rem); }
h5 { font-size: clamp(1rem, 1.5vw, 1.25rem); }
h6 { font-size: 1rem; }

p { line-height: 1.7; }

.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }

.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

/* ============================================================
   Layout Utilities
   ============================================================ */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-narrow {
    max-width: var(--container-narrow);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-wide {
    max-width: var(--container-wide);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-5 { gap: var(--space-5); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; gap: var(--space-6); }
.grid-cols-1 { grid-template-columns: 1fr; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }

.w-full { width: 100%; }
.max-w-full { max-width: 100%; }

.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: 0.9375rem;
    font-weight: 600;
    line-height: 1.5;
    border-radius: var(--radius-md);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    user-select: none;
    min-height: 44px;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    background-color: var(--primary);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-primary);
    transform: translateY(-1px);
}

.btn-accent {
    background-color: var(--accent);
    color: #ffffff;
    box-shadow: var(--shadow-sm);
}

.btn-accent:hover:not(:disabled) {
    background-color: var(--accent-hover);
    box-shadow: var(--shadow-accent);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--surface);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--surface-hover);
    border-color: var(--border-strong);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover:not(:disabled) {
    background-color: var(--primary);
    color: #ffffff;
}

.btn-ghost {
    background-color: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.btn-danger {
    background-color: var(--danger);
    color: #ffffff;
}

.btn-danger:hover:not(:disabled) {
    opacity: 0.9;
}

.btn-success {
    background-color: var(--success);
    color: #ffffff;
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: 0.8125rem;
    min-height: 36px;
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: 1rem;
    min-height: 52px;
}

.btn-icon {
    padding: var(--space-2);
    width: 40px;
    height: 40px;
    min-height: 40px;
}

.btn-block {
    width: 100%;
}

/* Button ripple effect */
.btn::after {
    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 0.5s ease, height 0.5s ease;
}

.btn:active::after {
    width: 300px;
    height: 300px;
    transition: 0s;
}

/* ============================================================
   Cards
   ============================================================ */
.card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.card-hover:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--border-strong);
}

.card-body {
    padding: var(--space-6);
}

.card-body-sm {
    padding: var(--space-4);
}

.card-body-lg {
    padding: var(--space-8);
}

.card-header {
    padding: var(--space-4) var(--space-6);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border);
    background-color: var(--surface-secondary);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ============================================================
   Forms
   ============================================================ */
.form-group {
    margin-bottom: var(--space-5);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.form-label .required {
    color: var(--danger);
    margin-left: 2px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

.form-control {
    display: block;
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text-primary);
    background-color: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-normal), box-shadow var(--transition-normal);
    min-height: 44px;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(20, 120, 95, 0.15);
}

.form-control:disabled {
    background-color: var(--surface-secondary);
    cursor: not-allowed;
    opacity: 0.7;
}

.form-control::placeholder {
    color: var(--text-muted);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

select.form-control {
    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' fill='%237a8b83'%3E%3Cpath d='M6 8L2 4h8z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
}

.form-error {
    display: block;
    font-size: 0.75rem;
    color: var(--danger);
    margin-top: var(--space-1);
}

.form-control.is-invalid {
    border-color: var(--danger);
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
}

.form-check input[type="checkbox"],
.form-check input[type="radio"] {
    width: 20px;
    height: 20px;
    accent-color: var(--accent);
    margin-top: 2px;
    cursor: pointer;
}

.form-check label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
}

/* File Upload */
.file-upload {
    position: relative;
    border: 2px dashed var(--border-strong);
    border-radius: var(--radius-md);
    padding: var(--space-8);
    text-align: center;
    cursor: pointer;
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.file-upload:hover {
    border-color: var(--accent);
    background-color: var(--surface-secondary);
}

.file-upload.dragover {
    border-color: var(--accent);
    background-color: var(--accent-status-bg);
}

.file-upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.file-upload-icon {
    font-size: 2rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.file-upload-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.file-upload-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-1);
}

/* ============================================================
   Badges
   ============================================================ */
.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    line-height: 1.5;
}

.badge-success { background: var(--success-bg); color: var(--success); border: 1px solid var(--success-border); }
.badge-warning { background: var(--warning-bg); color: var(--warning); border: 1px solid var(--warning-border); }
.badge-danger { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-border); }
.badge-info { background: var(--info-bg); color: var(--info); border: 1px solid var(--info-border); }
.badge-accent { background: var(--accent-status-bg); color: var(--accent); border: 1px solid var(--accent-status-border); }
.badge-neutral { background: var(--surface-tertiary); color: var(--text-secondary); border: 1px solid var(--border); }

/* ============================================================
   Alerts
   ============================================================ */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid;
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.alert-success { background: var(--success-bg); border-color: var(--success-border); color: var(--success); }
.alert-warning { background: var(--warning-bg); border-color: var(--warning-border); color: var(--warning); }
.alert-danger { background: var(--danger-bg); border-color: var(--danger-border); color: var(--danger); }
.alert-info { background: var(--info-bg); border-color: var(--info-border); color: var(--info); }

/* ============================================================
   Tables
   ============================================================ */
.table-wrap {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    background-color: var(--surface-secondary);
}

tbody tr:hover {
    background-color: var(--surface-hover);
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================
   Header / Navbar
   ============================================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: box-shadow var(--transition-normal);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-6);
}

.brand {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.03em;
}

.brand:hover {
    color: var(--accent);
}

.brand-icon {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 1.125rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.nav-link {
    padding: var(--space-2) var(--space-4);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--text-primary);
    background-color: var(--surface-hover);
}

.nav-link.active {
    color: var(--primary);
    background-color: var(--accent-status-bg);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}


.admin-nav-actions{
    margin-left: auto;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-2);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-normal);
    z-index: 1000;
}

.dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.dropdown-item:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.25rem;
}

/* ============================================================
   Main Content
   ============================================================ */
.main-content {
    padding-top: var(--header-height);
    min-height: 100vh;
}

.section {
    padding: var(--space-16) 0;
}

.section-sm {
    padding: var(--space-10) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent);
    margin-bottom: var(--space-3);
}

.section-title {
    font-size: clamp(1.75rem, 3vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--space-4);
}

.section-subtitle {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   Hero Section
   ============================================================ */
.hero {
    position: relative;
    padding: var(--space-20) 0 var(--space-16);
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: #ffffff;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    max-width: 720px;
    z-index: 1;
}

.hero-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    gap: var(--space-10);
}

.hero-grid .hero-content {
    max-width: none;
}

.hero-image-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-image-wrap img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-4);
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: var(--space-6);
    backdrop-filter: blur(10px);
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-6);
    letter-spacing: -0.03em;
}

.hero-subtitle {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: var(--space-8);
    opacity: 0.9;
}

.hero-actions {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
}

.hero .btn-primary {
    background-color: #ffffff;
    color: var(--primary);
}

.hero .btn-primary:hover {
    background-color: #f0f4f2;
}

.hero .btn-secondary {
    background-color: transparent;
    color: #ffffff;
    border-color: rgba(255, 255, 255, 0.4);
}

.hero .btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ============================================================
   Tournament Card
   ============================================================ */
.tournament-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.tournament-card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
    border-color: var(--accent);
}

.tournament-card-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 3rem;
    position: relative;
    overflow: hidden;
}

.tournament-card-body {
    padding: var(--space-5);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.tournament-card-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.tournament-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    flex-wrap: wrap;
}

.tournament-card-meta i {
    color: var(--accent);
}

/* ============================================================
   Club Card
   ============================================================ */
.club-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-normal);
    text-align: center;
}

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

.club-logo {
    width: 80px;
    height: 80px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--surface-tertiary), var(--surface-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    overflow: hidden;
    border: 2px solid var(--border);
}

.club-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.club-logo-placeholder {
    font-size: 2rem;
    color: var(--text-tertiary);
}

/* ============================================================
   Stat Card
   ============================================================ */
.stat-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* ============================================================
   Progress Bar
   ============================================================ */
.progress {
    width: 100%;
    height: 8px;
    background-color: var(--surface-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: var(--radius-full);
    transition: width var(--transition-slower);
}

/* ============================================================
   Skeleton Loading
   ============================================================ */
.skeleton {
    background: linear-gradient(90deg, var(--surface-secondary) 25%, var(--surface-tertiary) 50%, var(--surface-secondary) 75%);
    background-size: 200% 100%;
    animation: skeleton-shimmer 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.skeleton-text {
    height: 16px;
    margin-bottom: var(--space-2);
}

.skeleton-text:last-child {
    width: 60%;
}

/* ============================================================
   Empty State
   ============================================================ */
.empty-state {
    text-align: center;
    padding: var(--space-12) var(--space-6);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--text-muted);
    margin-bottom: var(--space-4);
}

.empty-state-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-secondary);
}

.empty-state-description {
    color: var(--text-tertiary);
    margin-bottom: var(--space-6);
    font-size: 0.875rem;
}

/* ============================================================
   Modal
   ============================================================ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    padding: var(--space-4);
    backdrop-filter: blur(4px);
}

.modal-overlay.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    background-color: var(--surface);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-2xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
    transform: scale(1);
}

.modal-header {
    padding: var(--space-5) var(--space-6);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
}

.modal-close:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--space-6);
}

.modal-footer {
    padding: var(--space-4) var(--space-6);
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-3);
}

/* ============================================================
   Toast Notifications
   ============================================================ */
.toast-container {
    position: fixed;
    top: var(--space-6);
    right: var(--space-6);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    max-width: 400px;
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-left: 4px solid;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    animation: toast-slide-in 0.3s ease;
    min-width: 300px;
}

.toast.removing {
    animation: toast-slide-out 0.3s ease forwards;
}

.toast-success { border-left-color: var(--success); }
.toast-error { border-left-color: var(--danger); }
.toast-warning { border-left-color: var(--warning); }
.toast-info { border-left-color: var(--info); }

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.toast-success .toast-icon { color: var(--success); }
.toast-error .toast-icon { color: var(--danger); }
.toast-warning .toast-icon { color: var(--warning); }
.toast-info .toast-icon { color: var(--info); }

.toast-content {
    flex: 1;
}

.toast-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.toast-close {
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.875rem;
    padding: 2px;
}

@keyframes toast-slide-in {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes toast-slide-out {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
    background-color: var(--surface-secondary);
    border-top: 1px solid var(--border);
    padding: var(--space-12) 0 var(--space-6);
    margin-top: var(--space-16);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-8);
    margin-bottom: var(--space-10);
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: var(--space-3);
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--space-4);
}

.footer-heading {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.footer-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent);
}

.footer-social {
    display: flex;
    gap: var(--space-3);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background-color: var(--surface);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 1.125rem;
    transition: all var(--transition-normal);
}

.footer-social a:hover {
    background-color: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

.footer-bottom {
    padding-top: var(--space-6);
    border-top: 1px solid var(--border);
    text-align: center;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

/* ============================================================
   Admin Layout
   ============================================================ */
.admin-layout {
    display: flex;
    min-height: 100vh;
    padding-top: var(--header-height);
}

.admin-sidebar {
    width: var(--sidebar-width);
    background-color: var(--surface);
    border-right: 1px solid var(--border);
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    overflow-y: auto;
    padding: var(--space-4) 0;
    z-index: 900;
}

.admin-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 var(--space-3);
}

.admin-nav-section {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    padding: var(--space-4) var(--space-3) var(--space-2);
}

.admin-nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    min-height: 40px;
}

.admin-nav-link:hover {
    background-color: var(--surface-hover);
    color: var(--text-primary);
}

.admin-nav-link.active {
    background-color: var(--accent-status-bg);
    color: var(--accent);
    font-weight: 600;
}

.admin-nav-link i {
    width: 20px;
    text-align: center;
    font-size: 1rem;
}

.admin-main {
    flex: 1;
    margin-left: var(--sidebar-width);
    padding: var(--space-6);
    max-width: calc(100% - var(--sidebar-width));
}

.admin-main.no-sidebar {
    margin-left: 0;
    max-width: 100%;
}

.admin-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    gap: var(--space-4);
}

.admin-search {
    flex: 1;
    max-width: 400px;
}

.admin-page-header {
    margin-bottom: var(--space-6);
}

.admin-page-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: var(--space-1);
}

.admin-page-subtitle {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* ============================================================
   Pagination
   ============================================================ */
.pagination {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    justify-content: center;
    margin-top: var(--space-6);
}

.pagination a, .pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 var(--space-2);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.pagination a:hover {
    background-color: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.pagination .active {
    background-color: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination .disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ============================================================
   Breadcrumb
   ============================================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.8125rem;
    margin-bottom: var(--space-4);
}

.breadcrumb a {
    color: var(--text-secondary);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: var(--accent);
}

.breadcrumb-separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--text-primary);
    font-weight: 600;
}

/* ============================================================
   Animations
   ============================================================ */
@keyframes fade-in {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slide-up {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

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

.animate-fade-in {
    animation: fade-in var(--transition-slow) ease;
}

.animate-slide-up {
    animation: slide-up var(--transition-slow) ease;
}

.animate-slide-in-left {
    animation: slide-in-left var(--transition-slow) ease;
}

/* Stagger animation for cards */
.stagger > * {
    opacity: 0;
    animation: slide-up 0.4s ease forwards;
}

.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* ============================================================
   Theme Toggle
   ============================================================ */
.theme-toggle {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.125rem;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--surface-hover);
    color: var(--accent);
}

/* ============================================================
   Responsive
   ============================================================ */

/* Tablet */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
    }
    
    .footer-brand-col {
        grid-column: 1 / -1;
    }
    
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 64px;
        --sidebar-width: 240px;
    }
    
    .container, .container-narrow, .container-wide {
        padding: 0 var(--space-4);
    }
    
    .menu-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background-color: var(--surface);
        border-bottom: 1px solid var(--border);
        flex-direction: column;
        align-items: stretch;
        padding: var(--space-3);
        gap: var(--space-1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-lg);
        z-index: 999;
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        padding: var(--space-3) var(--space-4);
        border-radius: var(--radius-md);
    }
    
    .nav-actions {
        gap: var(--space-2);
    }
    
    .hero {
        padding: var(--space-12) 0;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .hero-grid .hero-image-wrap {
        order: -1;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-normal);
        z-index: 1100;
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
        max-width: 100%;
        padding: var(--space-4);
    }
    
    .toast-container {
        left: var(--space-4);
        right: var(--space-4);
        max-width: none;
    }
    
    .modal {
        max-width: 100%;
    }
    
    .section {
        padding: var(--space-10) 0;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .section {
        padding: var(--space-8) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .btn {
        padding: var(--space-3) var(--space-4);
        font-size: 0.875rem;
    }
    
    .stat-card {
        padding: var(--space-4);
    }
    
    .stat-value {
        font-size: 1.25rem;
    }
}

/* ============================================================
   Reduced Motion
   ============================================================ */
@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;
    }
}

/* ============================================================
   Utility Classes
   ============================================================ */
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.cursor-pointer { cursor: pointer; }
.pointer-events-none { pointer-events: none; }

/* ============================================================
   MOBILE APP-STYLE NAVIGATION
   Android-inspired bottom navigation + slide menus
   ============================================================ */

/* --- Mobile Bottom Navigation (App-style) --- */
.mobile-bottom-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 64px;
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    z-index: 1000;
    padding: 0 8px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
    align-items: center;
    justify-content: space-around;
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    height: 56px;
    min-width: 48px;
    padding: 4px 8px;
    border-radius: var(--radius-md);
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.625rem;
    font-weight: 600;
    transition: all 150ms ease;
    flex: 1;
    cursor: pointer;
    background: none;
    border: none;
    font-family: inherit;
}

.bottom-nav-item i {
    font-size: 1.25rem;
    transition: all 200ms ease;
}

.bottom-nav-item.active {
    color: var(--accent);
}

.bottom-nav-item.active i {
    transform: scale(1.15);
}

.bottom-nav-item:active i {
    transform: scale(0.9);
}

.bottom-nav-accent {
    color: var(--accent);
}

.bottom-nav-accent i {
    background: var(--accent);
    color: #fff;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

/* Active indicator pill on bottom nav */
.bottom-nav-item.active::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 3px;
    border-radius: 0 0 6px 6px;
    background: var(--accent);
}

/* --- Mobile Slide-down Menu --- */
.mobile-menu-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1500;
    opacity: 0;
    visibility: hidden;
    transition: all 300ms ease;
    backdrop-filter: blur(4px);
}

.mobile-menu-overlay.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-menu {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    max-height: 85vh;
    background-color: var(--surface);
    z-index: 1600;
    transform: translateY(-100%);
    transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    overflow-y: auto;
    flex-direction: column;
}

.mobile-nav-menu.open {
    transform: translateY(0);
}

.mobile-nav-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
}

.mobile-nav-header .brand {
    color: #fff;
}

.mobile-nav-close {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    color: #fff;
    font-size: 1.25rem;
    background: rgba(255, 255, 255, 0.15);
    cursor: pointer;
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: 8px;
}

.mobile-nav-link {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: background 150ms ease;
}

.mobile-nav-link:hover {
    background-color: var(--surface-hover);
}

.mobile-nav-link i {
    width: 24px;
    text-align: center;
    font-size: 1.125rem;
    color: var(--accent);
}

.mobile-nav-footer {
    padding: 12px 8px 20px;
    border-top: 1px solid var(--border);
    margin-top: 8px;
}

.mobile-nav-footer-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.mobile-nav-action {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 12px;
    border-radius: var(--radius-md);
    background-color: var(--surface-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

.mobile-nav-action i {
    font-size: 1.25rem;
    color: var(--accent);
}

/* --- Mobile Avatar (replaces user button on mobile) --- */
.mobile-avatar {
    display: none;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    text-decoration: none;
    overflow: hidden;
    flex-shrink: 0;
}

.mobile-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.mobile-icon-btn {
    display: none;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 1.125rem;
    text-decoration: none;
}

/* --- Desktop hidden elements --- */
.lang-dropdown-desktop,
.user-dropdown-desktop,
.nav-login-desktop,
.nav-register-desktop {
    display: flex;
}

.mobile-avatar,
.mobile-icon-btn,
.mobile-bottom-nav,
.mobile-nav-menu,
.mobile-menu-overlay,
.admin-toggle {
    display: none;
}

/* ============================================================
   MOBILE RESPONSIVE OVERRIDES
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --header-height: 56px;
    }
    
    .container, .container-narrow, .container-wide {
        padding: 0 16px;
    }
    
    /* Header mobile */
    .header-inner {
        padding: 0 12px;
        gap: 8px;
    }
    
    .brand-text {
        font-size: 1.125rem;
    }
    
    .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    /* Hide desktop-only header elements */
    .nav-menu-desktop,
    .lang-dropdown-desktop,
    .user-dropdown-desktop,
    .nav-login-desktop,
    .nav-register-desktop,
    .admin-search-bar,
    .admin-user-btn,
    .admin-user-name,
    .admin-brand .brand-text {
        display: none;
    }
    
    /* Show mobile elements */
    .mobile-avatar,
    .mobile-icon-btn,
    .menu-toggle,
    .admin-toggle {
        display: flex;
    }
    
    /* Mobile bottom nav */
    .mobile-bottom-nav {
        display: flex;
    }
    
    /* Add bottom padding for bottom nav */
    .main-content {
        padding-bottom: 80px;
    }
    
    .site-footer {
        margin-bottom: 64px;
    }
    
    /* Admin mobile adjustments */
    .admin-content {
        padding: 12px;
        padding-top: calc(var(--header-height) + 12px);
        margin-left: 0;
        max-width: 100%;
        padding-bottom: 80px;
    }
    
    .admin-sidebar {
        position: fixed;
        top: var(--header-height);
        left: 0;
        bottom: 0;
        width: 280px;
        max-width: 85vw;
        transform: translateX(-100%);
        transition: transform 300ms cubic-bezier(0.4, 0, 0.2, 1);
        z-index: 1100;
        box-shadow: var(--shadow-2xl);
    }
    
    .admin-sidebar.open {
        transform: translateX(0);
    }
    
    .admin-sidebar-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 1050;
        opacity: 0;
        visibility: hidden;
        transition: all 300ms ease;
        backdrop-filter: blur(4px);
    }
    
    .admin-sidebar-overlay.open {
        display: block;
        opacity: 1;
        visibility: visible;
    }
    
    .admin-bottom-nav {
        display: flex;
    }
    
    /* Mobile slide menu */
    .mobile-nav-menu {
        display: flex;
    }
    
    .mobile-menu-overlay {
        display: block;
    }
    
    /* Hero mobile */
    .hero {
        padding: 48px 0 32px;
    }
    
    .hero-title {
        font-size: 1.875rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    /* Cards mobile */
    .card-body {
        padding: 16px;
    }
    
    /* Section spacing mobile */
    .section {
        padding: 32px 0;
    }
    
    .section-header {
        margin-bottom: 24px;
    }
    
    /* Forms mobile */
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
    
    /* Toast mobile */
    .toast-container {
        left: 12px;
        right: 12px;
        top: 64px;
        max-width: none;
    }
    
    /* Modal mobile */
    .modal {
        max-width: 100%;
        margin: 8px;
    }
    
    /* Admin page header mobile */
    .admin-page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .admin-page-title {
        font-size: 1.25rem;
    }
    
    /* Table mobile - horizontal scroll */
    .table-wrap {
        overflow-x: auto;
    }
    
    /* Stats grid mobile */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 8px;
    }
    
    /* Footer mobile */
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .footer-brand-col {
        grid-column: 1;
    }
    
    /* Hide footer on mobile when bottom nav is shown */
    .site-footer {
        padding: 32px 0 16px;
    }
}

@media (max-width: 430px) {
    .brand-text {
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 1.5rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.8125rem;
    }
    
    .btn-lg {
        padding: 14px 24px;
        font-size: 0.875rem;
    }
    
    /* Bottom nav smaller text */
    .bottom-nav-item {
        font-size: 0.5625rem;
    }
    
    .bottom-nav-item i {
        font-size: 1.125rem;
    }
    
    /* Card spacing tighter */
    .card-body {
        padding: 12px;
    }
    
    .stat-card-admin {
        padding: 12px;
    }
    
    .stat-value {
        font-size: 1.125rem;
    }
}

@media (max-width: 375px) {
    .bottom-nav-item span {
        display: none;
    }
    
    .bottom-nav-item i {
        font-size: 1.25rem;
    }
    
    .mobile-bottom-nav {
        height: 56px;
    }
}

/* ============================================================
   App-style page transitions
   ============================================================ */
@keyframes page-enter {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.main-content > * {
    animation: page-enter 250ms ease;
}

/* Smooth scroll for mobile */
@media (max-width: 768px) {
    html {
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
    }
    
    /* Better touch targets */
    a, button, .btn, .nav-link, .admin-nav-link, .bottom-nav-item {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* iOS safe area */
    .site-header {
        padding-top: env(safe-area-inset-top, 0px);
        height: calc(var(--header-height) + env(safe-area-inset-top, 0px));
    }
}