/* ============================================================
   MatchingSports — Black & Gold Premium Theme
   Modern Tournament Management Platform
   ============================================================ */

/* ═══ Design Tokens ═══ */
:root {
    --gold: #d4a017;
    --gold-dark: #b8860b;
    --gold-light: #f5d779;
    --gold-glow: rgba(212, 160, 23, .12);
    --gold-border: rgba(212, 160, 23, .25);

    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #06b6d4;

    --bg-body: #09090d;
    --bg-card: #111116;
    --bg-elevated: #18181f;
    --bg-surface: #0d0d12;
    --bg-input: #0f0f14;

    --text-primary: #ffffff;
    --text-secondary: #c8c8d4;
    --text-muted: #6b6b7b;
    --text-dim: #4a4a58;

    --border: #1f1f2a;
    --border-hover: #2e2e3c;
    --border-gold: rgba(212, 160, 23, .25);

    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --shadow: 0 4px 24px rgba(0,0,0,.5);
    --shadow-gold: 0 4px 24px rgba(212,160,23,.12);
    --font: 'Sarabun', -apple-system, BlinkMacSystemFont, sans-serif;
    --ease: cubic-bezier(.4, 0, .2, 1);
}

/* ═══ Reset ═══ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font); font-size: 15px; line-height: 1.6;
    color: var(--text-secondary); background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--gold); text-decoration: none; transition: color .2s var(--ease); }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; display: block; }
::selection { background: var(--gold); color: #000; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-body); }
::-webkit-scrollbar-thumb { background: #2a2a35; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold-dark); }

/* ═══ Container ═══ */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* ═══════════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════════ */
.navbar {
    background: rgba(9, 9, 13, .92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid var(--border-gold);
    padding: 0;
}
.nav-container {
    display: flex; align-items: center; justify-content: space-between;
    height: 60px; max-width: 100%; margin: 0; padding: 0 24px;
}
.nav-brand {
    display: flex; align-items: center; gap: 8px;
    font-weight: 800; font-size: 1.1rem; color: var(--gold);
    text-decoration: none;
}
.brand-icon { font-size: 1.2rem; }
.brand-text {
    background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.nav-toggle {
    display: none; background: none; border: none;
    font-size: 1.3rem; cursor: pointer; color: var(--gold);
    padding: 6px; line-height: 1;
}
.nav-menu {
    display: flex; list-style: none; align-items: center; gap: 2px;
}
.nav-menu li { display: flex; align-items: center; }
.nav-menu a {
    padding: 7px 14px; border-radius: 6px; font-weight: 600; font-size: 13px;
    color: var(--text-muted); transition: all .2s var(--ease);
    white-space: nowrap; text-decoration: none;
}
.nav-menu a:hover {
    color: var(--text-primary); background: rgba(212,160,23,.06);
}
.nav-menu a.active {
    color: #000; background: var(--gold); font-weight: 700;
    box-shadow: 0 2px 8px rgba(212,160,23,.25);
}
.nav-btn {
    background: var(--gold) !important; color: #000 !important;
    font-weight: 700 !important; padding: 7px 16px !important;
    border-radius: 6px !important;
}
.nav-btn:hover {
    background: var(--gold-light) !important;
    box-shadow: 0 2px 12px rgba(212,160,23,.3) !important;
}
.nav-btn-outline {
    border: 1px solid var(--border-gold) !important;
    color: var(--gold) !important; padding: 5px 12px !important;
    border-radius: 6px; font-size: 12px;
    background: transparent !important;
}
.nav-btn-outline:hover {
    border-color: var(--gold) !important;
    background: rgba(212,160,23,.08) !important;
    color: var(--gold-light) !important;
}
.nav-user { display: flex; align-items: center; gap: 8px; }
.user-name { font-size: 12px; color: var(--text-muted); }

@media (max-width: 768px) {
    .nav-toggle { display: block; }
    .nav-menu {
        display: none; flex-direction: column; gap: 4px;
        position: absolute; top: 60px; left: 0; right: 0;
        background: rgba(9,9,13,.98); backdrop-filter: blur(16px);
        padding: 16px; border-bottom: 1px solid var(--border-gold);
    }
    .nav-menu.open { display: flex; }
    .nav-menu li { width: 100%; }
    .nav-menu a { display: block; padding: 12px 16px; font-size: 14px; }
    .nav-user { flex-direction: column; gap: 4px; }
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 22px; border: none; border-radius: var(--radius);
    font-weight: 700; font-size: 13px; cursor: pointer;
    transition: all .2s var(--ease); text-decoration: none;
    font-family: var(--font); letter-spacing: .2px;
    position: relative; overflow: hidden;
}
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn:active { transform: translateY(0); }
.btn-primary {
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-dark) 100%);
    color: #000; box-shadow: 0 2px 8px rgba(212,160,23,.2);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--gold-light) 0%, var(--gold) 100%); color: #000; box-shadow: var(--shadow-gold); }
.btn-secondary { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--border-gold); color: var(--gold-light); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }
.btn-warning { background: var(--warning); color: #000; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-outline { background: transparent; border: 1.5px solid var(--gold); color: var(--gold); }
.btn-outline:hover { background: var(--gold); color: #000; box-shadow: var(--shadow-gold); }
.btn-sm { padding: 6px 14px; font-size: 11px; border-radius: 6px; }
.btn-lg { padding: 13px 28px; font-size: 15px; border-radius: var(--radius-lg); }
.btn-block { width: 100%; }

/* ═══════════════════════════════════════════════════════════════
   CARDS
   ═══════════════════════════════════════════════════════════════ */
.card {
    background: var(--bg-card); border-radius: var(--radius-lg);
    border: 1px solid var(--border); overflow: hidden;
    transition: all .3s var(--ease);
}
.card:hover { border-color: var(--border-gold); box-shadow: var(--shadow-gold); }
.card-header {
    padding: 14px 20px; background: var(--bg-elevated);
    color: var(--gold-light); font-weight: 700; font-size: 13px;
    letter-spacing: .3px; border-bottom: 1px solid var(--border);
}
.card-body { padding: 20px; }

/* Event Card */
.event-card {
    border-left: 3px solid var(--gold); background: var(--bg-card);
}
.event-card:hover { border-left-color: var(--gold-light); transform: translateY(-2px); }
.event-date { font-size: 12px; color: var(--text-muted); margin-bottom: 6px; }
.event-title { font-size: 1rem; font-weight: 800; color: var(--text-primary); margin-bottom: 8px; line-height: 1.4; }
.event-meta { display: flex; gap: 10px; flex-wrap: wrap; font-size: 11px; color: var(--text-muted); align-items: center; }
.event-actions { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; }

/* ═══════════════════════════════════════════════════════════════
   STATS
   ═══════════════════════════════════════════════════════════════ */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 16px; }
.stat-card {
    background: var(--bg-card); border-radius: var(--radius-lg); padding: 24px 16px;
    text-align: center; border: 1px solid var(--border);
    transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.stat-card::after {
    content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    opacity: 0; transition: opacity .3s;
}
.stat-card:hover { border-color: var(--border-gold); }
.stat-card:hover::after { opacity: 1; }
.stat-num { font-size: 2rem; font-weight: 900; color: var(--gold); line-height: 1; }
.stat-label { font-size: 10px; color: var(--text-muted); margin-top: 6px; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }

/* ═══════════════════════════════════════════════════════════════
   ALERTS
   ═══════════════════════════════════════════════════════════════ */
.alert {
    padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px;
    font-weight: 500; font-size: 13px; border-left: 3px solid;
    background: var(--bg-card);
}
.alert-success { color: #6ee7b7; border-color: var(--success); }
.alert-danger { color: #fca5a5; border-color: var(--danger); }
.alert-warning { color: #fcd34d; border-color: var(--warning); }
.alert-info { color: #67e8f9; border-color: var(--info); }

/* ═══════════════════════════════════════════════════════════════
   FORMS
   ═══════════════════════════════════════════════════════════════ */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; font-weight: 700; margin-bottom: 6px;
    font-size: 11px; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .5px;
}
.form-control {
    width: 100%; padding: 11px 14px; border: 1px solid var(--border);
    border-radius: var(--radius); font-size: 14px; font-family: var(--font);
    transition: all .2s var(--ease);
    background: var(--bg-input); color: var(--text-primary);
}
.form-control:focus {
    outline: none; border-color: var(--gold);
    box-shadow: 0 0 0 3px var(--gold-glow);
    background: var(--bg-card);
}
.form-control::placeholder { color: var(--text-dim); }
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%236b6b7b' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px;
}

/* ═══════════════════════════════════════════════════════════════
   TABLES
   ═══════════════════════════════════════════════════════════════ */
.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { font-weight: 700; font-size: 10px; text-transform: uppercase; letter-spacing: .6px; color: var(--gold); background: var(--bg-surface); }
.table tr:hover { background: rgba(212,160,23,.03); }
.table td { color: var(--text-secondary); }

/* ═══════════════════════════════════════════════════════════════
   BADGES
   ═══════════════════════════════════════════════════════════════ */
.badge {
    display: inline-block; padding: 3px 10px; border-radius: 20px;
    font-size: 10px; font-weight: 800; letter-spacing: .3px; text-transform: uppercase;
}
.badge-primary { background: var(--gold); color: #000; }
.badge-success { background: rgba(16,185,129,.12); color: #6ee7b7; border: 1px solid rgba(16,185,129,.3); }
.badge-warning { background: rgba(245,158,11,.12); color: #fcd34d; border: 1px solid rgba(245,158,11,.3); }
.badge-danger { background: rgba(239,68,68,.12); color: #fca5a5; border: 1px solid rgba(239,68,68,.3); }
.badge-info { background: rgba(6,182,212,.12); color: #67e8f9; border: 1px solid rgba(6,182,212,.3); }
.badge-gray { background: rgba(107,107,123,.12); color: var(--text-muted); border: 1px solid var(--border); }

/* ═══════════════════════════════════════════════════════════════
   GRID & SECTION
   ═══════════════════════════════════════════════════════════════ */
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.section { padding: 60px 0; }
.section-title {
    font-size: 1.4rem; font-weight: 900; color: var(--text-primary);
    margin-bottom: 24px; text-align: center; position: relative;
}
.section-title::after {
    content: ''; display: block; width: 40px; height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-light));
    margin: 8px auto 0; border-radius: 2px;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════ */
.site-footer {
    background: var(--bg-surface); color: var(--text-muted);
    padding: 50px 0 20px; margin-top: 50px;
    border-top: 1px solid var(--border-gold);
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 32px; }
.site-footer h4 { margin-bottom: 12px; font-size: .85rem; color: var(--gold-light); font-weight: 700; }
.site-footer p { font-size: 13px; color: var(--text-muted); line-height: 1.7; }
.site-footer ul { list-style: none; }
.site-footer ul li { margin-bottom: 6px; font-size: 13px; color: var(--text-dim); }
.site-footer ul a { color: var(--text-muted); font-size: 13px; }
.site-footer ul a:hover { color: var(--gold); }
.footer-bottom {
    margin-top: 28px; padding-top: 16px;
    border-top: 1px solid var(--border);
    text-align: center; font-size: 11px; color: var(--text-dim);
}

/* ═══════════════════════════════════════════════════════════════
   ADMIN / GYM SIDEBAR LAYOUT
   ═══════════════════════════════════════════════════════════════ */
.adm-wrap, .gym-wrap { display: flex; min-height: 100vh; }
.adm-side, .gym-side {
    width: 250px; background: var(--bg-surface); color: #fff;
    flex-shrink: 0; padding: 16px 0;
    position: sticky; top: 0; height: 100vh; overflow-y: auto;
    border-right: 1px solid var(--border);
}
.adm-side .brand, .gym-side h3 {
    padding: 4px 18px 16px; font-size: .95rem; font-weight: 800;
    border-bottom: 1px solid var(--border); margin-bottom: 8px;
    background: linear-gradient(135deg, var(--gold-light), var(--gold));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.adm-side .section-label {
    padding: 14px 18px 4px; font-size: 9px; text-transform: uppercase;
    letter-spacing: 1.2px; color: var(--gold); font-weight: 700;
}
.adm-side a, .gym-side a {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 18px; color: var(--text-muted); font-size: 13px;
    transition: all .15s var(--ease); text-decoration: none;
    border-left: 3px solid transparent; margin: 1px 0;
}
.adm-side a:hover, .gym-side a:hover { background: rgba(212,160,23,.04); color: var(--text-secondary); }
.adm-side a.active, .gym-side a.active {
    background: rgba(212,160,23,.08); color: var(--gold-light);
    border-left-color: var(--gold); font-weight: 700;
}
.adm-side hr, .gym-side hr { border: none; border-top: 1px solid var(--border); margin: 8px 18px; }
.adm-main, .gym-main { flex: 1; background: var(--bg-body); min-width: 0; }
.adm-topbar, .gym-topbar {
    background: var(--bg-card); padding: 12px 24px;
    border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0; z-index: 10;
}
.adm-topbar strong, .gym-topbar strong { color: var(--text-primary); font-size: 14px; }
.adm-content, .gym-content { padding: 24px; }

@media (max-width: 768px) {
    .adm-side, .gym-side { display: none; }
    .adm-content, .gym-content { padding: 16px; }
    .adm-topbar, .gym-topbar { padding: 10px 16px; }
}

/* ═══════════════════════════════════════════════════════════════
   UTILITY
   ═══════════════════════════════════════════════════════════════ */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-gold { color: var(--gold); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .container { padding: 0 16px; }
    .grid-2 { grid-template-columns: 1fr; }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    body { font-size: 14px; }
    .container { padding: 0 14px; }
    .section { padding: 40px 0; }
    .section-title { font-size: 1.2rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-card { padding: 16px 12px; }
    .stat-num { font-size: 1.5rem; }
    .card-body { padding: 14px; }
    .card-header { padding: 12px 14px; }
    .event-actions { flex-direction: column; }
    .event-actions .btn { width: 100%; }
    .btn { padding: 9px 16px; font-size: 12px; }
    .btn-lg { padding: 12px 22px; font-size: 14px; }
    .form-control { padding: 10px 12px; font-size: 14px; }
    div[style*="grid-template-columns: 1fr 1fr"],
    div[style*="grid-template-columns:1fr 1fr"] { grid-template-columns: 1fr !important; }
    .site-footer { padding: 32px 0 16px; margin-top: 32px; }
    .footer-grid { grid-template-columns: 1fr; gap: 20px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 8px; }
    .stat-card { padding: 14px 10px; }
    .stat-num { font-size: 1.3rem; }
    .nav-brand { font-size: .95rem; }
    .brand-icon { font-size: 1.1rem; }
}

/* ═══════════════════════════════════════════════════════════════
   ANIMATIONS — PUBLIC PAGES ONLY
   ═══════════════════════════════════════════════════════════════ */

/* Fade-up reveal (scroll observer on public pages) */
.fade-up {
    opacity: 0; transform: translateY(24px);
    transition: opacity .6s var(--ease), transform .6s var(--ease);
}
.fade-up.show { opacity: 1; transform: translateY(0); }
.fade-up.d1 { transition-delay: .1s; }
.fade-up.d2 { transition-delay: .2s; }
.fade-up.d3 { transition-delay: .3s; }
.fade-up.d4 { transition-delay: .4s; }

/* ═══════════════════════════════════════════════════════════════
   BACKEND — CLEAN FUNCTIONAL STYLES (admin/gym)
   ═══════════════════════════════════════════════════════════════ */

/* Page titles */
.adm-content h2, .adm-content h3,
.gym-content h2, .gym-content h3 {
    color: var(--text-primary); font-weight: 800;
}

/* Workflow steps — simple flex row */
.workflow-steps {
    display: flex; gap: 8px; flex-wrap: wrap;
}

/* Button accent */
.btn-accent {
    background: linear-gradient(135deg, #e6c34d 0%, var(--gold) 100%);
    color: #000;
}
.btn-accent:hover {
    background: linear-gradient(135deg, var(--gold-light) 0%, #e6c34d 100%);
    color: #000;
}

/* Gold divider — simple separator */
.gold-divider {
    height: 1px; border: none; margin: 20px 0;
    background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}

/* Live dot */
.live-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--success); display: inline-block;
    animation: livePulse 2s ease-in-out infinite;
}
@keyframes livePulse {
    0%, 100% { opacity: 1; } 50% { opacity: .4; }
}

/* Empty state */
.empty-state {
    text-align: center; padding: 40px 20px; color: var(--text-muted);
}
.empty-state-icon {
    font-size: 2.5rem; margin-bottom: 10px; opacity: .4;
}
.empty-state p {
    font-size: 13px; margin-bottom: 14px;
}

/* Stat icon */
.stat-icon {
    font-size: 1.5rem; display: block; margin-bottom: 6px;
}

/* ─── Overflow ─── */
.card-body { overflow-x: auto; }
table { min-width: 500px; }
@media (min-width: 769px) { table { min-width: auto; } }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .fade-up { opacity: 1; transform: none; transition: none; }
    .stat-card::after { display: none; }
    * { animation-duration: 0s !important; }
}