:root{color-scheme:dark;--color-void: #07050d;--color-space: #0d0a18;--color-charcoal: #15121f;--color-panel: rgba(24, 19, 38, .72);--color-panel-solid: #191427;--color-panel-raised: rgba(36, 28, 58, .82);--color-cosmic: #2a1650;--color-infinity: #8b5cf6;--color-infinity-strong: #a78bfa;--color-infinity-deep: #5b21b6;--color-electric: #38bdf8;--color-gold: #f5c451;--color-gold-deep: #c99a2e;--color-success: #34d399;--color-danger: #f87171;--color-warning: #fbbf24;--color-text: #ece9f6;--color-text-muted: #a49fbd;--color-text-faint: #77718f;--color-on-accent: #0b0814;--color-border: rgba(167, 139, 250, .22);--color-border-strong: rgba(167, 139, 250, .5);--color-focus: #f5c451;--color-easy: #34d399;--color-medium: #38bdf8;--color-hard: #f472b6;--font-display: "Orbitron", "Segoe UI", system-ui, sans-serif;--font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--radius-sm: 8px;--radius-md: 14px;--radius-lg: 20px;--shadow-panel: 0 10px 40px rgba(0, 0, 0, .45);--glow-infinity: 0 0 0 1px rgba(139, 92, 246, .35), 0 0 22px rgba(139, 92, 246, .22);--glow-gold: 0 0 0 1px rgba(245, 196, 81, .45), 0 0 18px rgba(245, 196, 81, .18);--space-1: 4px;--space-2: 8px;--space-3: 12px;--space-4: 16px;--space-5: 24px;--space-6: 32px;--space-7: 48px;--gutter: clamp(16px, 4vw, 32px);--content-width: 1180px;--touch-target: 48px;--transition-fast: .14s ease;--transition-med: .26s cubic-bezier(.2, .7, .2, 1)}@keyframes mh-fade-up{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}@keyframes mh-pulse-ring{0%,to{box-shadow:0 0 #8b5cf673}50%{box-shadow:0 0 0 10px #8b5cf600}}@keyframes mh-drift{0%{transform:translateZ(0)}to{transform:translate3d(-200px,-120px,0)}}@keyframes mh-spin{to{transform:rotate(360deg)}}@keyframes mh-shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.mh-animate-in{animation:mh-fade-up var(--transition-med) both}.mh-pulse{animation:mh-pulse-ring 2.4s ease-in-out 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#0006}.arena-header__main{display:flex;align-items:center;justify-content:space-between;gap:var(--space-3);flex-wrap:wrap}.arena-header__info{display:flex;flex-direction:column;gap:2px}.arena-header__title{margin:0;font-size:clamp(1.15rem,3.2vw,1.45rem);font-weight:700;color:var(--color-text);line-height:1.25}.arena-header__meta{display:flex;align-items:center;gap:var(--space-3);flex-wrap:wrap}.arena-header__clock{display:flex;align-items:center;justify-content:space-between;padding-top:var(--space-2);border-top:1px solid rgba(139,92,246,.14)}.arena-header__clock .stat{display:flex;align-items:baseline;justify-content:space-between;width:100%}.arena-header__clock .stat__value{font-size:1.25rem;font-family:var(--font-display);color:var(--color-gold)}.spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.35);border-radius:50%;border-top-color:#fff;animation:spinner-rotate .75s linear infinite;vertical-align:middle}@keyframes spinner-rotate{to{transform:rotate(360deg)}}.btn--next-question{font-size:1.05rem;letter-spacing:.05em;padding:13px 22px;font-weight:700;box-shadow:0 4px 16px #eab30847;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.btn--next-question:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 6px 22px #eab3086b}.question-card{padding:clamp(16px,3.5vw,28px)}.question-text{font-size:clamp(1.15rem,3.6vw,1.55rem);line-height:1.45;margin:var(--space-4) 0 var(--space-5);white-space:pre-wrap;overflow-wrap:anywhere}.options{display:grid;gap:var(--space-3);grid-template-columns:repeat(auto-fit,minmax(min(100%,260px),1fr));margin:0;padding:0;border:0}.option{position:relative;display:flex;align-items:center;gap:var(--space-3);width:100%;min-height:64px;padding:var(--space-3) var(--space-4);border-radius:var(--radius-md);border:1px solid var(--color-border);background:#07050d8c;color:var(--color-text);font:500 1.05rem var(--font-body);text-align:left;cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast),box-shadow var(--transition-fast);overflow-wrap:anywhere}.option input{position:absolute;opacity:0;pointer-events:none}.option__key{flex:none;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;font-family:var(--font-display);font-weight:700;background:#8b5cf62e;color:var(--color-infinity-strong)}.option:hover{border-color:var(--color-border-strong)}.option:has(input:focus-visible){outline:3px solid var(--color-focus);outline-offset:2px}.option.is-selected{border-color:var(--color-infinity-strong);background:#8b5cf629;box-shadow:var(--glow-infinity)}.option.is-selected .option__key{background:var(--color-infinity);color:#fff}.option.is-correct{border-color:var(--color-success);background:#34d3991f}.option.is-correct .option__key{background:var(--color-success);color:var(--color-on-accent)}.option.is-wrong{border-color:var(--color-danger);background:#f871711a}.option.is-locked{cursor:default}.option__tag{margin-left:auto;font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em}.submit-bar{position:sticky;bottom:0;padding:var(--space-3) 0 calc(var(--space-3) + env(safe-area-inset-bottom));background:linear-gradient(transparent,var(--color-void) 35%);margin-top:var(--space-4);z-index:5}.timer{display:inline-flex;align-items:center;gap:var(--space-3)}.timer__ring{width:64px;height:64px;flex:none}.timer__ring circle{fill:none;stroke-width:6}.timer__track{stroke:#a78bfa2e}.timer__progress{stroke:var(--color-infinity-strong);stroke-linecap:round;transform:rotate(-90deg);transform-origin:50% 50%;transition:stroke-dashoffset .25s linear,stroke var(--transition-med)}.timer--warning .timer__progress{stroke:var(--color-gold)}.timer--critical .timer__progress{stroke:var(--color-danger)}.timer__value{font-family:var(--font-display);font-size:1.35rem;font-variant-numeric:tabular-nums}.timer__label{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--color-text-muted)}.progress-bar{height:8px;border-radius:999px;background:#a78bfa26;overflow:hidden}.progress-bar>span{display:block;height:100%;background:linear-gradient(90deg,var(--color-infinity),var(--color-electric));transition:width .3s ease}.queue-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:var(--space-2)}.queue-item{display:flex;gap:var(--space-3);align-items:center;padding:var(--space-3);border-radius:var(--radius-md);border:1px solid var(--color-border);background:#07050d73}.queue-item__index{font-family:var(--font-display);color:var(--color-text-faint);width:28px;flex:none;text-align:center}.queue-item__text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.queue-item.is-live{border-color:var(--color-success);box-shadow:0 0 0 1px #34d3994d}.queue-item.is-done{opacity:.6}.control-deck{display:flex;flex-wrap:wrap;gap:var(--space-2)}.chart-box{width:100%;height:280px}.footer{text-align:center;color:var(--color-text-faint);font-size:.8rem;padding:var(--space-5) var(--gutter);position:relative;z-index:1}.badge--participant-registered{color:var(--color-text-faint)}.badge--participant-joined{color:var(--color-electric)}.badge--participant-playing{color:var(--color-success)}.badge--participant-disconnected{color:var(--color-warning)}.badge--participant-completed{color:var(--color-gold)}.badge--participant-cancelled{color:var(--color-danger)}.participant-table td{white-space:nowrap}.participant-email{margin-top:2px}.participant-table th:nth-child(2),.participant-table td:nth-child(2){position:sticky;left:0;z-index:1;background:var(--color-panel-solid);box-shadow:6px 0 8px -6px #0009}.participant-table thead th:nth-child(2){z-index:2}@media(max-width:600px){.participant-table td:nth-child(2){max-width:44vw}.participant-table td:nth-child(2)>div{overflow:hidden;text-overflow:ellipsis}}@media(max-width:640px){.app-main:has(.arena-stack){padding-top:var(--space-2);padding-bottom:var(--space-4)}.arena-stack{gap:var(--space-2)}.arena-header{padding:8px 12px;gap:6px}.arena-header__title{font-size:1.1rem}.arena-header__clock .stat__value{font-size:1.15rem}.question-card{padding:12px 14px 16px;margin-top:0}.question-text{font-size:1.05rem;margin:var(--space-2) 0 var(--space-3);line-height:1.4}.options{gap:8px;grid-template-columns:1fr}.option{min-height:48px;padding:8px 12px;font-size:.92rem}.option__key{width:30px;height:30px;font-size:.85rem;border-radius:8px}.submit-bar{margin-top:var(--space-2);padding:var(--space-2) 0 calc(var(--space-2) + env(safe-area-inset-bottom))}.btn--next-question{padding:11px 18px;font-size:.95rem}}