:root{--bg: #0f172a;--bg-card: #1e293b;--bg-card2: #263448;--primary: #f59e0b;--primary-dark: #d97706;--accent: #14b8a6;--accent-dark: #0d9488;--text: #f1f5f9;--text-muted: #94a3b8;--red: #ef4444;--red-dark: #dc2626;--green: #22c55e;--radius: 16px;--radius-sm: 10px}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{height:-webkit-fill-available;height:100dvh}body,#root{height:100%;min-height:-webkit-fill-available;min-height:100dvh}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow:hidden}#root{display:flex;flex-direction:column}.screen{display:flex;flex-direction:column;height:100dvh;padding:env(safe-area-inset-top,20px) 24px env(safe-area-inset-bottom,24px);overflow-y:auto}.screen-center{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100dvh;padding:24px;text-align:center;gap:24px}h1{font-size:clamp(1.8rem,8vw,2.5rem);font-weight:700;line-height:1.1}h2{font-size:clamp(1.4rem,6vw,2rem);font-weight:600;line-height:1.2}h3{font-size:clamp(1.1rem,5vw,1.5rem);font-weight:600}p{line-height:1.6}.text-muted{color:var(--text-muted)}.text-primary{color:var(--primary)}.text-accent{color:var(--accent)}.text-green{color:var(--green)}.text-red{color:var(--red)}.btn{display:inline-flex;align-items:center;justify-content:center;padding:16px 28px;border:none;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:transform .1s,opacity .1s;width:100%;max-width:360px;letter-spacing:.01em;min-height:56px}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--primary);color:#0f172a}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-accent{background:var(--accent);color:#0f172a}.btn-accent:hover:not(:disabled){background:var(--accent-dark)}.btn-ghost{background:var(--bg-card);color:var(--text);border:1px solid #334155}.btn-ghost:hover:not(:disabled){background:var(--bg-card2)}.btn-danger{background:transparent;color:var(--red);border:1px solid var(--red);font-size:.875rem;padding:10px 20px;min-height:44px}.btn-sm{padding:10px 20px;font-size:.875rem;min-height:44px}.card{background:var(--bg-card);border-radius:var(--radius);padding:20px;border:1px solid #1e3a5f22}.input{background:var(--bg-card);border:1px solid #334155;border-radius:var(--radius-sm);color:var(--text);font-size:1.1rem;padding:16px 18px;width:100%;outline:none;transition:border-color .2s}.input:focus{border-color:var(--primary)}.input::placeholder{color:var(--text-muted)}.duration-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;width:100%;max-width:360px}.duration-btn{background:var(--bg-card);border:2px solid #334155;border-radius:var(--radius);color:var(--text);font-size:1.1rem;font-weight:700;padding:24px 16px;cursor:pointer;transition:all .15s;text-align:center}.duration-btn:hover{border-color:var(--primary);color:var(--primary)}.duration-btn.selected{border-color:var(--primary);background:#f59e0b1a;color:var(--primary)}.duration-btn.custom{grid-column:span 2;font-size:1rem;padding:18px}.participant-list{list-style:none;width:100%}.participant-item{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--bg-card);border-radius:var(--radius-sm);margin-bottom:10px;font-size:1rem;font-weight:500}.participant-dot{width:10px;height:10px;border-radius:50%;background:var(--green);flex-shrink:0}.participant-dot.left{background:var(--red)}.participant-dot.pending{background:var(--text-muted)}.stats-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid #1e293b}.stats-row:last-child{border-bottom:none}.stats-label{color:var(--text-muted);font-size:.9rem}.stats-value{font-size:1.1rem;font-weight:700;color:var(--primary)}.sponsor-tile{border-radius:var(--radius);padding:18px 28px;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:200px}.sponsor-name{font-size:1.6rem;font-weight:900;letter-spacing:-.02em}.sponsor-tagline{font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;opacity:.85}.countdown-ring{position:relative;width:180px;height:180px}.countdown-number{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:4rem;font-weight:800;color:var(--primary)}.logo-circle{width:96px;height:96px;border-radius:50%;background:#f59e0b22;border:3px solid var(--primary);display:flex;align-items:center;justify-content:center;font-size:2.5rem}.qr-wrapper{background:#f8f7f4;border-radius:var(--radius);padding:20px;display:inline-block}@keyframes pulse-ring{0%{transform:scale(1);opacity:1}to{transform:scale(1.15);opacity:0}}@keyframes fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fade-in .4s ease}.btn-row{display:flex;gap:12px;width:100%;max-width:400px}.btn-row .btn{flex:1}.header{padding-top:env(safe-area-inset-top,16px);padding-bottom:8px;display:flex;align-items:center;gap:12px}.back-btn{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:8px;line-height:1;display:flex;align-items:center}.badge{background:#f59e0b22;border:1px solid #f59e0b55;border-radius:100px;padding:6px 14px;font-size:.85rem;color:var(--primary);display:inline-flex;align-items:center;gap:6px}.present-glow{text-shadow:0 0 40px #f59e0b88}.scroll-area{overflow-y:auto;flex:1;padding-bottom:20px}.safe-bottom{padding-bottom:env(safe-area-inset-bottom,24px)}