/* ═══════════════════════════════════════════════
   DebateArena — Neumorphic Design System
   ═══════════════════════════════════════════════ */

:root {
    --bg: #E0E5EC;
    --bg-inset: #D1D9E6;
    --bg-white: #EDF1F7;
    --shadow-out: 8px 8px 16px #b8bec7, -8px -8px 16px #ffffff;
    --shadow-out-sm: 4px 4px 8px #b8bec7, -4px -4px 8px #ffffff;
    --shadow-out-lg: 12px 12px 24px #b8bec7, -12px -12px 24px #ffffff;
    --shadow-in: inset 4px 4px 8px #b8bec7, inset -4px -4px 8px #ffffff;
    --shadow-in-sm: inset 2px 2px 5px #b8bec7, inset -2px -2px 5px #ffffff;
    --text: #2D3748;
    --text-muted: #6B7A90;
    --text-dim: #9BA8B9;
    --accent: #E8453C;
    --accent-light: #FDE8E8;
    --accent-glow: 0 4px 15px rgba(232, 69, 60, 0.35);
    --blue: #3B82F6;
    --blue-light: #DBEAFE;
    --green: #16A34A;
    --green-light: #DCFCE7;
    --gold: #D97706;
    --gold-light: #FEF3C7;
    --font-display: 'Clash Display', 'SF Pro Display', sans-serif;
    --font-body: 'Satoshi', 'SF Pro Text', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 20px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-body);
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--accent); }

/* ─── Navbar ─── */
.navbar {
    position: sticky; top: 0; z-index: 100;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 28px; height: 64px;
    background: var(--bg);
    box-shadow: 0 4px 12px rgba(184, 190, 199, 0.5);
}
.nav-brand {
    display: flex; align-items: center; gap: 12px;
    color: var(--text); font-family: var(--font-display);
    font-weight: 800; font-size: 19px; letter-spacing: -0.02em;
}
.nav-logo {
    width: 36px; height: 36px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #FF6B3D);
    display: flex; align-items: center; justify-content: center;
    font-size: 17px; color: #fff;
    box-shadow: 3px 3px 6px #b8bec7, -3px -3px 6px #ffffff;
}
.nav-links { display: flex; gap: 4px; }
.nav-link {
    padding: 8px 18px; border-radius: var(--radius-sm);
    color: var(--text-muted); font-weight: 600; font-size: 14px;
    transition: all 0.2s;
}
.nav-link:hover { color: var(--text); box-shadow: var(--shadow-out-sm); }
.nav-link.active { color: var(--accent); box-shadow: var(--shadow-in-sm); }
.nav-auth { display: flex; align-items: center; gap: 10px; }
.nav-user { font-size: 14px; font-weight: 600; color: var(--text); }
.nav-rating { color: var(--gold); font-family: var(--font-mono); font-size: 12px; }

/* ─── Buttons ─── */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px 26px; border: none; border-radius: var(--radius-sm);
    font-family: var(--font-body); font-weight: 700; font-size: 14px;
    cursor: pointer; transition: all 0.2s; letter-spacing: 0.02em;
    text-decoration: none;
    box-shadow: var(--shadow-out-sm);
    color: var(--text); background: var(--bg);
}
.btn:hover { box-shadow: var(--shadow-out); transform: translateY(-1px); }
.btn:active { box-shadow: var(--shadow-in-sm); transform: translateY(0); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

.btn-accent {
    background: linear-gradient(135deg, var(--accent), #FF6B3D);
    color: #fff;
    box-shadow: var(--accent-glow), var(--shadow-out-sm);
}
.btn-accent:hover { box-shadow: 0 6px 20px rgba(232,69,60,0.4), var(--shadow-out); color: #fff; }
.btn-blue {
    background: linear-gradient(135deg, var(--blue), #60A5FA);
    color: #fff;
    box-shadow: 0 4px 15px rgba(59,130,246,0.3), var(--shadow-out-sm);
}
.btn-blue:hover { box-shadow: 0 6px 20px rgba(59,130,246,0.4), var(--shadow-out); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); box-shadow: none; }
.btn-ghost:hover { color: var(--text); box-shadow: none; }
.btn-outline { background: var(--bg); color: var(--text); box-shadow: var(--shadow-out-sm); }
.btn-outline:hover { color: var(--accent); }
.btn-green {
    background: linear-gradient(135deg, var(--green), #22C55E);
    color: #fff;
    box-shadow: 0 4px 15px rgba(22,163,74,0.3), var(--shadow-out-sm);
}
.btn-sm { padding: 8px 18px; font-size: 13px; }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: var(--radius); }
.btn-full { width: 100%; }

/* ─── Cards ─── */
.card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 28px;
    box-shadow: var(--shadow-out);
    border: none;
}
.card-hover { transition: all 0.2s; }
.card-hover:hover { box-shadow: var(--shadow-out-lg); }

/* ─── Badges ─── */
.badge {
    display: inline-block;
    padding: 4px 12px; border-radius: 8px;
    font-size: 11px; font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.05em; text-transform: uppercase;
    box-shadow: var(--shadow-in-sm);
}
.badge-accent { background: var(--accent-light); color: var(--accent); }
.badge-blue { background: var(--blue-light); color: var(--blue); }
.badge-green { background: var(--green-light); color: var(--green); }
.badge-gold { background: var(--gold-light); color: var(--gold); }

/* ─── Forms ─── */
.form-group { margin-bottom: 22px; }
.form-label {
    display: block; margin-bottom: 8px;
    font-size: 12px; color: var(--text-muted);
    font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase;
}
.form-input, .form-select {
    width: 100%; padding: 14px 18px;
    background: var(--bg); border: none;
    border-radius: var(--radius-sm); color: var(--text);
    font-family: var(--font-body); font-size: 15px;
    box-shadow: var(--shadow-in);
    transition: all 0.2s; outline: none;
}
.form-input:focus, .form-select:focus {
    box-shadow: var(--shadow-in), 0 0 0 3px rgba(232, 69, 60, 0.15);
}
.form-input::placeholder { color: var(--text-dim); }

/* ─── Flash ─── */
.flash-container { padding: 12px 28px; }
.flash {
    padding: 14px 22px; border-radius: var(--radius-sm); margin-bottom: 8px;
    font-size: 14px; font-weight: 600; box-shadow: var(--shadow-out-sm);
}
.flash-success { background: var(--green-light); color: var(--green); }
.flash-error { background: var(--accent-light); color: var(--accent); }
.flash-warning { background: var(--gold-light); color: var(--gold); }
.flash-info { background: var(--blue-light); color: var(--blue); }

/* ─── Hero ─── */
.hero {
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    padding: 100px 24px 80px; text-align: center; position: relative; overflow: visible;
}
.hero-grid {
    position: absolute; inset: 0; opacity: 0.04;
    background-image: radial-gradient(circle at 1px 1px, var(--text-dim) 1px, transparent 0);
    background-size: 40px 40px;
}
.hero-glow {
    position: absolute; top: -30%; left: 50%; transform: translateX(-50%);
    width: 700px; height: 700px; border-radius: 50%;
    background: radial-gradient(circle, rgba(232,69,60,0.08) 0%, transparent 65%);
    filter: blur(40px);
}
.hero-content { position: relative; z-index: 1; }
.hero-pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 8px 20px; background: var(--bg);
    box-shadow: var(--shadow-out-sm);
    border-radius: 100px;
}
.hero-pill-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.hero-pill-text { font-size: 13px; color: var(--accent); font-family: var(--font-mono); font-weight: 700; }

.hero h1 {
    font-family: var(--font-display); font-size: clamp(48px, 8vw, 88px);
    font-weight: 900; line-height: 1.15; letter-spacing: -0.03em; color: var(--text);
    padding-top: 4px;
}
.hero h1 .gradient {
    background: linear-gradient(135deg, var(--accent), #FF6B3D);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.hero p { font-size: 18px; color: var(--text-muted); max-width: 520px; margin: 28px auto 44px; line-height: 1.7; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

.hero-stats { display: flex; gap: 48px; margin-top: 80px; position: relative; z-index: 1; }
.hero-stat-value { font-size: 34px; font-weight: 800; font-family: var(--font-display); color: var(--text); }
.hero-stat-label { font-size: 12px; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; margin-top: 4px; }

.how-section { padding: 70px 24px; }
.how-title { text-align: center; font-family: var(--font-display); font-size: 13px; color: var(--text-dim); letter-spacing: 0.18em; text-transform: uppercase; margin-bottom: 48px; }
.how-grid { display: flex; gap: 24px; max-width: 920px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.how-card {
    flex: 1 1 200px; background: var(--bg);
    box-shadow: var(--shadow-out);
    border-radius: var(--radius-lg); padding: 30px; position: relative; overflow: hidden;
}
.how-step { position: absolute; top: 12px; right: 16px; font-size: 52px; font-weight: 900; font-family: var(--font-display); color: var(--bg-inset); }
.how-icon { font-size: 32px; margin-bottom: 14px; }
.how-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 16px; margin-bottom: 8px; }
.how-card p { font-size: 13px; color: var(--text-muted); line-height: 1.5; }

/* ─── Topics ─── */
.page-container { padding: 36px 28px; max-width: 920px; margin: 0 auto; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 36px; flex-wrap: wrap; gap: 16px; }
.page-header h1 { font-family: var(--font-display); font-size: 32px; font-weight: 800; }
.page-header p { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

.search-box { position: relative; margin-bottom: 22px; }
.search-box input { padding-left: 44px; }
.search-box .search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--text-dim); }

.category-filters { display: flex; gap: 8px; margin-bottom: 28px; flex-wrap: wrap; }
.cat-btn {
    padding: 9px 18px; background: var(--bg); color: var(--text-muted);
    border: none; border-radius: var(--radius-sm);
    cursor: pointer; font-family: var(--font-body); font-weight: 600; font-size: 13px;
    transition: all 0.2s; text-decoration: none;
    box-shadow: var(--shadow-out-sm);
}
.cat-btn:hover { color: var(--text); box-shadow: var(--shadow-out); }
.cat-btn.active { color: #fff; background: linear-gradient(135deg, var(--accent), #FF6B3D); box-shadow: var(--accent-glow); }

.topic-card {
    display: flex; align-items: center; gap: 16px;
    padding: 22px 26px; margin-bottom: 16px;
    cursor: pointer; transition: all 0.2s;
}
.topic-card:hover { box-shadow: var(--shadow-out-lg); }
.topic-card .topic-info { flex: 1; }
.topic-card .topic-badges { display: flex; gap: 8px; margin-bottom: 10px; }
.topic-card h3 { font-family: var(--font-display); font-weight: 700; font-size: 16px; line-height: 1.4; }
.topic-stats { display: flex; gap: 24px; flex-shrink: 0; align-items: center; }
.topic-stat { text-align: center; }
.topic-stat-value { font-size: 20px; font-weight: 800; font-family: var(--font-display); }
.topic-stat-value.live { color: var(--green); }
.topic-stat-label { font-size: 10px; color: var(--text-dim); font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.08em; }

/* ─── Lobby ─── */
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-muted); font-size: 14px; margin-bottom: 24px; font-weight: 600; }
.back-link:hover { color: var(--accent); }
.topic-header { position: relative; overflow: hidden; margin-bottom: 32px; }
.topic-header::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--blue)); border-radius: 4px 4px 0 0; }
.topic-meta { display: flex; gap: 24px; margin-top: 20px; font-size: 13px; color: var(--text-muted); }

.lobby-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }

.side-btn {
    flex: 1; padding: 16px 22px; background: var(--bg);
    box-shadow: var(--shadow-out-sm); border: 3px solid transparent;
    border-radius: var(--radius); cursor: pointer; transition: all 0.2s; text-align: center;
}
.side-btn:hover { box-shadow: var(--shadow-out); }
.side-btn.active-pro { box-shadow: var(--shadow-in); border-color: var(--green); background: var(--green-light); }
.side-btn.active-con { box-shadow: var(--shadow-in); border-color: var(--accent); background: var(--accent-light); }
.side-btn .side-label { font-family: var(--font-display); font-weight: 800; font-size: 18px; }
.side-btn .side-label.pro { color: var(--green); }
.side-btn .side-label.con { color: var(--accent); }
.side-btn .side-desc { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

.lobby-entry {
    display: flex; align-items: center; gap: 14px;
    padding: 16px 18px; background: var(--bg);
    box-shadow: var(--shadow-out-sm); border-radius: var(--radius); margin-bottom: 12px;
}
.lobby-avatar {
    width: 42px; height: 42px; border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--accent), #FF6B3D);
    display: flex; align-items: center; justify-content: center;
    font-weight: 800; font-size: 13px; color: #fff; font-family: var(--font-mono);
    flex-shrink: 0; box-shadow: 3px 3px 6px #b8bec7, -3px -3px 6px #ffffff;
}
.lobby-details { flex: 1; }
.lobby-name { font-weight: 700; font-size: 14px; }
.lobby-meta { font-size: 12px; color: var(--text-muted); margin-top: 3px; }
.lobby-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }

/* ─── Auth ─── */
.auth-container { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 64px); padding: 24px; }
.auth-card { width: 100%; max-width: 440px; }
.auth-card h1 { font-family: var(--font-display); font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.auth-card .auth-sub { color: var(--text-muted); font-size: 14px; margin-bottom: 32px; }
.auth-link { text-align: center; margin-top: 22px; font-size: 14px; color: var(--text-muted); }

/* ─── Leaderboard ─── */
.leader-entry { display: flex; align-items: center; gap: 16px; padding: 18px 22px; margin-bottom: 12px; }
.leader-rank {
    width: 46px; height: 46px; border-radius: var(--radius-sm);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-display); font-weight: 900; font-size: 18px;
}
.leader-rank.gold { background: linear-gradient(135deg, var(--gold), #F59E0B); color: #fff; box-shadow: 0 4px 10px rgba(217,119,6,0.3); }
.leader-rank.silver { background: linear-gradient(135deg, #94A3B8, #64748B); color: #fff; box-shadow: var(--shadow-out-sm); }
.leader-rank.bronze { background: linear-gradient(135deg, #CD7F32, #A0522D); color: #fff; box-shadow: var(--shadow-out-sm); }
.leader-rank.normal { background: var(--bg); color: var(--text-muted); box-shadow: var(--shadow-in-sm); }
.leader-info { flex: 1; }
.leader-name { font-family: var(--font-display); font-weight: 700; font-size: 16px; }
.leader-stats { font-size: 12px; color: var(--text-muted); margin-top: 2px; }
.leader-rating { font-family: var(--font-mono); font-size: 22px; font-weight: 800; }
.leader-entry:first-child .leader-rating { color: var(--gold); }

/* ─── Debate Room ─── */
.debate-wrapper { height: 100vh; display: flex; flex-direction: column; overflow: hidden; background: var(--bg); }

.debate-topbar {
    padding: 12px 24px; background: var(--bg);
    box-shadow: 0 4px 12px rgba(184, 190, 199, 0.4);
    display: flex; align-items: center; justify-content: space-between; z-index: 10;
}
.debate-topbar-left { display: flex; align-items: center; gap: 16px; }
.live-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 8px var(--accent); animation: pulse 1.5s ease infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.4; } }
.live-label { font-family: var(--font-mono); font-size: 13px; color: var(--accent); font-weight: 700; }

.debate-timers { display: flex; gap: 24px; align-items: center; }
.timer-block { text-align: center; padding: 10px 22px; border-radius: var(--radius); transition: all 0.3s; }
.timer-block.active { box-shadow: var(--shadow-in), 0 0 0 3px rgba(232,69,60,0.15); background: var(--accent-light); }
.timer-block.idle { box-shadow: var(--shadow-out-sm); background: var(--bg); }
.timer-label { font-family: var(--font-mono); font-size: 10px; color: var(--text-dim); letter-spacing: 0.08em; text-transform: uppercase; }
.timer-value { font-family: var(--font-mono); font-size: 30px; font-weight: 800; }
.timer-value.warning { color: var(--accent); }
.timer-value.normal { color: var(--text); }
.timer-side { font-size: 11px; margin-top: 2px; font-weight: 700; }
.timer-side.pro { color: var(--green); }
.timer-side.con { color: var(--accent); }
.timer-vs { font-family: var(--font-display); font-weight: 800; color: var(--text-dim); font-size: 14px; }

.debate-main { flex: 1; display: flex; overflow: hidden; }
.debate-video-area { flex: 1; display: flex; flex-direction: column; padding: 10px; gap: 10px; }
.debate-topic-banner {
    padding: 10px 18px; background: var(--bg);
    box-shadow: var(--shadow-out-sm); border-radius: var(--radius-sm);
    font-size: 13px; color: var(--text-muted); text-align: center; line-height: 1.4;
}
.debate-topic-banner strong { color: var(--text); }

.video-grid { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.video-panel {
    position: relative; border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-in); transition: all 0.3s; background: var(--bg-inset);
}
.video-panel.speaking { box-shadow: var(--shadow-in), 0 0 0 3px var(--green), 0 0 20px rgba(22,163,74,0.15); }
.video-panel-label {
    position: absolute; bottom: 12px; left: 12px;
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px; background: rgba(45, 55, 72, 0.8);
    border-radius: var(--radius-sm); backdrop-filter: blur(8px);
    font-weight: 700; font-size: 13px; color: #fff;
}
.video-placeholder {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    text-align: center; color: var(--text-dim); background: var(--bg-inset); z-index: 1;
}
.video-placeholder-avatar {
    width: 80px; height: 80px; border-radius: 50%; margin: 0 auto 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 36px; box-shadow: var(--shadow-out-sm); background: var(--bg);
}

.debate-controls { display: flex; justify-content: center; gap: 12px; padding: 14px 0; }
.ctrl-btn {
    padding: 12px 24px; border-radius: var(--radius-sm); cursor: pointer;
    font-family: var(--font-body); font-weight: 700; font-size: 14px;
    display: flex; align-items: center; gap: 8px;
    transition: all 0.2s; border: none;
    background: var(--bg); color: var(--text); box-shadow: var(--shadow-out-sm);
}
.ctrl-btn:hover { box-shadow: var(--shadow-out); }
.ctrl-btn:active { box-shadow: var(--shadow-in-sm); }
.ctrl-btn.floor-btn { padding: 16px 44px; font-size: 16px; font-weight: 800; font-family: var(--font-display); border-radius: var(--radius); }
.ctrl-btn.floor-btn.take {
    background: linear-gradient(135deg, var(--green), #22C55E); color: #fff;
    box-shadow: 0 4px 15px rgba(22,163,74,0.35), var(--shadow-out-sm);
}
.ctrl-btn.floor-btn.take:hover { box-shadow: 0 6px 25px rgba(22,163,74,0.45), var(--shadow-out); }
.ctrl-btn.floor-btn.release {
    background: linear-gradient(135deg, var(--accent), #FF6B3D); color: #fff;
    box-shadow: var(--accent-glow), var(--shadow-out-sm);
    animation: pulse-btn 1.5s ease infinite;
}
@keyframes pulse-btn {
    0%,100% { box-shadow: 0 4px 15px rgba(232,69,60,0.35), var(--shadow-out-sm); }
    50% { box-shadow: 0 6px 30px rgba(232,69,60,0.5), var(--shadow-out); }
}
.ctrl-btn.end-btn { background: var(--accent-light); color: var(--accent); box-shadow: var(--shadow-out-sm); }

/* Chat */
.debate-chat { width: 300px; display: flex; flex-direction: column; background: var(--bg); box-shadow: -4px 0 12px rgba(184, 190, 199, 0.3); }
.chat-header { padding: 16px 18px; font-family: var(--font-display); font-size: 14px; font-weight: 700; box-shadow: 0 2px 6px rgba(184, 190, 199, 0.3); }
.chat-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.chat-empty { color: var(--text-dim); font-size: 13px; text-align: center; margin-top: 40px; }
.chat-msg { padding: 10px 14px; background: var(--bg); box-shadow: var(--shadow-out-sm); border-radius: var(--radius-sm); }
.chat-msg-header { display: flex; justify-content: space-between; margin-bottom: 4px; }
.chat-msg-name { font-weight: 700; font-size: 12px; color: var(--blue); }
.chat-msg-time { font-size: 10px; color: var(--text-dim); }
.chat-msg-text { font-size: 13px; line-height: 1.4; }
.chat-input-area { padding: 12px; display: flex; gap: 8px; box-shadow: 0 -2px 6px rgba(184, 190, 199, 0.3); }
.chat-input-area input {
    flex: 1; padding: 10px 14px; background: var(--bg);
    box-shadow: var(--shadow-in-sm); border: none; border-radius: var(--radius-sm);
    color: var(--text); font-size: 13px; font-family: var(--font-body); outline: none;
}

/* Waiting */
.waiting-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; height: calc(100vh - 64px); gap: 24px; }
.spinner { width: 80px; height: 80px; border-radius: 50%; box-shadow: var(--shadow-out); border: 4px solid transparent; border-top-color: var(--accent); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Finished */
.finished-overlay { position: fixed; inset: 0; z-index: 200; background: rgba(224, 229, 236, 0.92); backdrop-filter: blur(12px); display: flex; align-items: center; justify-content: center; }
.finished-card { text-align: center; max-width: 500px; }
.finished-stats { display: flex; gap: 20px; margin: 28px 0 36px; justify-content: center; }
.stat-box { background: var(--bg); box-shadow: var(--shadow-out); border-radius: var(--radius); padding: 18px 26px; text-align: center; }
.stat-box-label { font-size: 11px; color: var(--text-dim); font-family: var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.stat-box-value { font-size: 26px; font-weight: 800; font-family: var(--font-display); margin-top: 6px; }

/* Time options */
.time-options { display: flex; gap: 10px; flex-wrap: wrap; }
.time-opt {
    padding: 11px 20px; background: var(--bg);
    box-shadow: var(--shadow-out-sm); border: none; border-radius: var(--radius-sm);
    cursor: pointer; font-family: var(--font-mono); font-size: 14px;
    font-weight: 700; color: var(--text-muted); transition: all 0.2s;
}
.time-opt:hover { box-shadow: var(--shadow-out); color: var(--text); }
.time-opt.active { box-shadow: var(--shadow-in); color: var(--blue); background: var(--blue-light); }

/* Responsive */
@media (max-width: 768px) {
    .debate-chat { display: none; }
    .video-grid { grid-template-columns: 1fr; }
    .hero h1 { font-size: 36px; }
    .hero-stats { flex-direction: column; gap: 24px; }
    .lobby-grid { grid-template-columns: 1fr; }
}