*{box-sizing:border-box;margin:0;padding:0}body,html{color:#f1f1f1;background-color:#09090b;width:100%;height:100%;font-family:Inter,Noto Sans JP,Hiragino Kaku Gothic ProN,sans-serif;overflow:hidden}.demo-nav{z-index:2000;background-color:#18181b;border-bottom:1px solid #27272a;justify-content:space-between;align-items:center;width:100%;height:48px;padding:0 16px;display:flex;position:absolute;top:0;left:0}.demo-nav-left{align-items:center;display:flex}.demo-label{color:#f59e0b;background:#f59e0b26;border:1px solid #f59e0b66;border-radius:999px;padding:4px 10px;font-size:.75rem;font-weight:700}.demo-nav-center{gap:6px;display:flex}.nav-btn{color:#a1a1aa;cursor:pointer;background-color:#0000;border:1px solid #3f3f46;border-radius:6px;padding:6px 14px;font-size:.85rem;font-weight:500;transition:all .15s}.nav-btn:hover{color:#fff;background-color:#27272a}.nav-btn.active{color:#fff;background-color:#e50914;border-color:#e50914}.app-container{width:100vw;height:calc(100vh - 48px);display:flex;position:absolute;top:48px;left:0}.view-container{width:100%;height:100%;display:flex}.landing-layout{background:radial-gradient(at top,#1a1a2e 0%,#09090b 70%);flex-direction:column;justify-content:center;align-items:center;gap:40px;padding:40px 20px;overflow-y:auto}.landing-hero{text-align:center}.landing-logo{justify-content:center;align-items:center;gap:12px;margin-bottom:12px;display:flex}.logo-icon{font-size:3rem}.logo-text{background:linear-gradient(135deg,#a855f7,#6366f1);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-size:2.8rem;font-weight:700}.landing-tagline{color:#a1a1aa;font-size:1.2rem}.landing-cards{flex-wrap:wrap;justify-content:center;gap:24px;width:100%;max-width:900px;display:flex}.landing-card{background-color:#18181b;border:1px solid #27272a;border-radius:16px;flex-direction:column;flex:1;gap:16px;min-width:300px;max-width:420px;padding:32px;display:flex}.landing-card h2{font-size:1.3rem;font-weight:600}.landing-card p{color:#a1a1aa;line-height:1.6}.host-card{border-color:#4f46e5}.code-input,.text-input{color:#fff;letter-spacing:6px;text-transform:uppercase;text-align:center;background-color:#27272a;border:1px solid #3f3f46;border-radius:10px;outline:none;width:100%;padding:14px 16px;font-size:1.5rem;font-weight:700;transition:border-color .2s}.text-input{letter-spacing:normal;text-align:left;font-size:1rem}.code-input:focus,.text-input:focus{border-color:#6366f1}.btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#a855f7);border:none;border-radius:10px;width:100%;padding:14px;font-size:1.1rem;font-weight:700;transition:opacity .2s}.btn-primary:hover{opacity:.9}.btn-secondary{color:#fff;cursor:pointer;background-color:#27272a;border:1px solid #4f46e5;border-radius:10px;width:100%;padding:14px;font-size:1.1rem;font-weight:700;transition:background-color .2s}.btn-secondary:hover{background-color:#3730a3}.room-code-display{letter-spacing:8px;text-align:center;color:#a855f7;background-color:#27272a;border-radius:8px;margin:12px 0;padding:16px;font-size:2.5rem;font-weight:700}#room-created-result{margin-top:16px}#room-created-result h3{color:#34d399;margin-bottom:12px}.url-list{flex-direction:column;gap:8px;margin-top:12px;display:flex}.url-list label{color:#a1a1aa;font-size:.85rem;font-weight:600}.url-list a{color:#60a5fa;word-break:break-all;font-size:.9rem}.slide-container{background:#141414;flex:1;justify-content:center;align-items:center;display:flex;position:relative;overflow:hidden}.slide-placeholder{background:linear-gradient(135deg,#1a1a2e,#0f0f11);justify-content:center;align-items:center;width:100%;height:100%;display:flex}.slide-placeholder-content{text-align:center;color:#a1a1aa}.slide-placeholder-icon{margin-bottom:16px;font-size:4rem}.btn-capture{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#a855f7);border:none;border-radius:10px;margin-top:20px;padding:12px 28px;font-size:1rem;font-weight:700}.slide-captured-img{object-fit:contain;width:100%;height:100%}.reaction-layer{pointer-events:none;z-index:10;width:100%;height:100%;position:absolute;top:0;left:0;overflow:hidden}.reaction-item{font-size:2.8rem;animation:4s ease-out forwards floatUp;position:absolute;bottom:-50px}@keyframes floatUp{0%{opacity:0;transform:translateY(0)scale(.5)}15%{opacity:1;transform:translateY(-15vh)scale(1.2)}to{opacity:0;transform:translateY(-95vh)scale(.9)}}.ticker-container{z-index:20;background:#000000e0;border-top:1px solid #27272a;align-items:center;width:100%;height:42px;display:flex;position:absolute;bottom:0;left:0;overflow:hidden}.ticker-wrap{white-space:nowrap;width:100%;overflow:hidden}.ticker-move{white-space:nowrap;animation:30s linear infinite ticker;display:inline-block}.ticker-item{color:#fff;align-items:center;gap:8px;margin-right:60px;font-size:1rem;display:inline-flex}.ticker-item .author{color:#a855f7;font-size:.9rem;font-weight:600}@keyframes ticker{0%{transform:translate(100vw)}to{transform:translate(-100%)}}.chat-panel{background-color:#0f0f11;border-left:1px solid #27272a;flex-direction:column;width:360px;display:flex}.chat-header{border-bottom:1px solid #27272a;justify-content:space-between;align-items:flex-start;padding:14px 16px;display:flex}.chat-header h2{margin-bottom:4px;font-size:1rem;font-weight:600}.room-name-label{color:#a1a1aa;font-size:.8rem}.status-badge{color:#fff;white-space:nowrap;background:#e50914;border-radius:4px;padding:3px 8px;font-size:.75rem;font-weight:700}.pinned-message{background:#1e3a5f;border-bottom:2px solid #2563eb;padding:14px 16px}.pinned-label{color:#93c5fd;align-items:center;gap:6px;margin-bottom:6px;font-size:.8rem;font-weight:700;display:flex}.pinned-content{color:#fff;font-size:1rem;line-height:1.5}.pinned-author{color:#93c5fd;margin-right:8px;font-weight:700}.chat-messages{flex-direction:column;flex:1;gap:12px;padding:12px 16px;display:flex;overflow-y:auto}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-thumb{background-color:#3f3f46;border-radius:3px}.message-item{word-break:break-word;flex-direction:column;gap:4px;display:flex}.message-header{align-items:baseline;gap:8px;display:flex}.message-author{color:#a855f7;font-size:.88rem;font-weight:600}.message-time{color:#52525b;font-size:.78rem}.message-text{color:#d4d4d8;font-size:.95rem;line-height:1.5}.message-text.is-question{color:#fff;font-weight:500}.question-badge{color:#a855f7;background:#a855f726;border:1px solid #a855f74d;border-radius:4px;padding:1px 6px;font-size:.75rem}.chat-footer{border-top:1px solid #27272a;padding:14px 16px}.qr-section{color:#000;background:#fff;border-radius:10px;align-items:center;gap:12px;padding:10px 14px;display:flex}.qr-image{width:60px;height:60px}.qr-text p{color:#000;font-size:.9rem;font-weight:600}.qr-text .qr-url{color:#555;margin-top:2px;font-size:.78rem;font-weight:400}.mobile-bg{background:#18181b;justify-content:center;align-items:center}.mobile-mockup{background:#0f0f11;border:10px solid #000;border-radius:44px;flex-direction:column;width:390px;max-width:100%;height:844px;max-height:100%;display:flex;overflow:hidden;box-shadow:0 30px 60px #000000b3}.mobile-header{background:#18181b;border-bottom:1px solid #27272a;flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 16px;display:flex}.mobile-header h3{margin:0;font-size:.95rem;font-weight:600}.live-badge{color:#fff;background:#e50914;border-radius:4px;padding:3px 7px;font-size:.7rem;font-weight:700}.mobile-slide-area{background:#000;flex-shrink:0;width:100%;height:180px;position:relative}.mobile-slide-img{object-fit:cover;width:100%;height:100%}.mobile-slide-badge{color:#fff;background:#000000bf;border-radius:6px;padding:4px 8px;font-size:.78rem;position:absolute;bottom:8px;right:8px}.mobile-chat-area{flex-direction:column;flex:1;gap:10px;padding:12px;display:flex;overflow-y:auto}.mobile-chat-area::-webkit-scrollbar{width:4px}.mobile-chat-area::-webkit-scrollbar-thumb{background:#3f3f46;border-radius:2px}.mobile-name-area{background:#18181b;border-top:1px solid #27272a;flex-shrink:0;align-items:center;gap:12px;padding:8px 12px;display:flex}.mobile-name-input{color:#fff;background:#27272a;border:1px solid #3f3f46;border-radius:8px;outline:none;flex:1;padding:6px 10px;font-size:.85rem}.question-toggle-label{color:#a1a1aa;white-space:nowrap;cursor:pointer;align-items:center;gap:4px;font-size:.8rem;display:flex}.mobile-footer{background:#18181b;border-top:1px solid #27272a;flex-shrink:0;padding:10px 12px}.reaction-palette{justify-content:space-around;padding-bottom:10px;display:flex}.reaction-btn{cursor:pointer;background:0 0;border:none;border-radius:8px;padding:4px;font-size:1.8rem;transition:transform .1s,background .1s}.reaction-btn:active,.reaction-btn.active{background:#ffffff1a;transform:scale(1.4)}.mobile-input-area{gap:8px;display:flex}.mobile-input{color:#fff;background:#27272a;border:1px solid #3f3f46;border-radius:22px;outline:none;flex:1;padding:10px 14px;font-size:.95rem}.mobile-input:focus{border-color:#6366f1}.mobile-send-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#6366f1,#a855f7);border:none;border-radius:22px;padding:0 18px;font-size:.9rem;font-weight:700}.message-footer{gap:8px;margin-top:4px;display:flex}.like-btn{color:#a1a1aa;cursor:pointer;background:0 0;border:1px solid #3f3f46;border-radius:999px;padding:2px 10px;font-size:.82rem;transition:all .15s}.like-btn:hover{color:#a855f7;border-color:#a855f7}.admin-layout{background:#0f0f11;flex-direction:column;overflow:hidden}.admin-header{background:#18181b;border-bottom:1px solid #27272a;flex-shrink:0;justify-content:space-between;align-items:flex-start;padding:20px 28px;display:flex}.admin-header h2{margin-bottom:6px;font-size:1.3rem;font-weight:600}.admin-header p{color:#a1a1aa;font-size:.9rem}.admin-room-code{letter-spacing:6px;color:#a855f7;background:#a855f71a;border-radius:8px;padding:8px 20px;font-size:1.8rem;font-weight:700}.admin-content{flex-direction:column;flex:1;gap:24px;padding:24px;display:flex;overflow-y:auto}.admin-content::-webkit-scrollbar{width:8px}.admin-content::-webkit-scrollbar-thumb{background:#3f3f46;border-radius:4px}.slide-group{background:#18181b;border:1px solid #27272a;border-radius:16px;min-height:200px;display:flex;overflow:hidden}.slide-group-img{background:#000;flex-shrink:0;width:320px;position:relative;overflow:hidden}.slide-group-img img{object-fit:cover;width:100%;height:100%}.no-slide-placeholder{color:#52525b;text-align:center;justify-content:center;align-items:center;width:100%;height:100%;padding:20px;font-size:.9rem;display:flex}.slide-group-img-overlay{background:linear-gradient(#0000,#000000d9);width:100%;padding:14px;position:absolute;bottom:0;left:0}.slide-group-img-overlay h4{margin-bottom:2px;font-size:1rem}.slide-group-img-overlay p{color:#a1a1aa;font-size:.82rem}.slide-group-questions{flex-direction:column;flex:1;gap:12px;padding:16px;display:flex;overflow-y:auto}.admin-q-item{background:#27272a;border:1px solid #3f3f46;border-radius:10px;justify-content:space-between;align-items:center;gap:14px;padding:14px;transition:border-color .2s;display:flex}.admin-q-item.is-pinned{background:#1e3a5f;border-color:#2563eb}.admin-q-item-content{flex:1}.admin-q-meta{color:#71717a;gap:10px;margin-bottom:6px;font-size:.82rem;display:flex}.likes-badge{color:#a855f7}.admin-q-text{color:#f1f1f1;font-size:1rem;line-height:1.5}.admin-q-action{min-width:130px}.pickup-btn{color:#93c5fd;cursor:pointer;background:#1e3a5f;border:1px solid #2563eb;border-radius:8px;width:100%;padding:10px 8px;font-size:.88rem;font-weight:700;transition:all .2s}.pickup-btn:hover{color:#fff;background:#2563eb}.pickup-btn.active{color:#4ade80;background:#166534;border-color:#16a34a}