:root{--bg: #0b1220;--bg-elev: #131c2e;--bg-elev-2: #1b2740;--bg-hover: #22304d;--border: #253352;--border-strong: #33456b;--text: #e8eefc;--text-dim: #9aa9c4;--text-faint: #64748b;--accent: #38bdf8;--accent-2: #6366f1;--accent-dim: rgba(56, 189, 248, .12);--danger: #f87171;--danger-dim: rgba(248, 113, 113, .12);--success: #34d399;--warn: #fbbf24;--radius: 14px;--radius-sm: 10px;--radius-lg: 22px;--shadow: 0 8px 30px rgba(0, 0, 0, .35);--shadow-lg: 0 18px 60px rgba(0, 0, 0, .5);--safe-bottom: env(safe-area-inset-bottom, 0px);--safe-top: env(safe-area-inset-top, 0px)}*{box-sizing:border-box}html{min-height:100%}body,#root{min-height:100vh;min-height:100dvh}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Noto Sans 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var(--accent-dim)}textarea{resize:vertical;min-height:90px;line-height:1.65}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}::selection{background:#38bdf84d}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:8px;border:2px solid var(--bg)}::-webkit-scrollbar-thumb:hover{background:#43587f}.app{position:relative;z-index:1;min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}@media (max-width: 720px){.container{padding:0 14px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:var(--radius-sm);background:var(--bg-elev-2);color:var(--text);border:1px solid var(--border);font-weight:500;white-space:nowrap;transition:background .15s,border-color .15s,transform .08s}.btn:hover:not(:disabled){background:var(--bg-hover);border-color:var(--border-strong)}.btn:active:not(:disabled){transform:scale(.98)}.btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));border-color:transparent;color:#06121f;font-weight:650}.btn.primary:hover:not(:disabled){filter:brightness(1.08);background:linear-gradient(135deg,var(--accent),var(--accent-2))}.btn.ghost{background:transparent;border-color:transparent;color:var(--text-dim)}.btn.ghost:hover:not(:disabled){background:var(--bg-elev-2);color:var(--text)}.btn.danger{color:var(--danger);border-color:#f8717159;background:var(--danger-dim)}.btn.danger:hover:not(:disabled){background:#f8717133}.btn.sm{padding:6px 12px;font-size:13px;border-radius:8px}.btn.block{width:100%}.card{background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius)}.badge{display:inline-flex;align-items:center;gap:5px;padding:2px 9px;border-radius:999px;background:var(--bg-elev-2);color:var(--text-dim);font-size:12px;font-weight:500;line-height:1.8}.badge.live{background:#34d3991f;color:var(--success)}.badge.offline{background:#fbbf241f;color:var(--warn)}.mono{font-family:SF Mono,JetBrains Mono,Menlo,Consolas,Courier New,monospace;font-variant-ligatures:none}.spin{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.fade-up{animation:fadeUp .24s ease-out both}@keyframes pop{0%{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}.pop{animation:pop .18s ease-out both}.landing{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:40px 20px calc(40px + var(--safe-bottom))}.landing-logo{display:flex;align-items:center;gap:12px;margin-bottom:8px}.landing-logo svg{width:44px;height:44px}.landing h1{font-size:30px;margin:0;letter-spacing:-.02em;background:linear-gradient(120deg,#e8eefc 20%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.landing .tagline{color:var(--text-dim);margin:6px 0 34px;text-align:center;max-width:460px}.landing-card{width:100%;max-width:440px;padding:26px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg)}.landing-card h2{margin:0 0 4px;font-size:18px}.landing-card .hint{color:var(--text-faint);font-size:13px;margin:0 0 18px}.room-input-row{display:flex;gap:9px}.room-input-row input{font-size:17px;letter-spacing:.14em;text-align:center;font-weight:600}.divider{display:flex;align-items:center;gap:12px;color:var(--text-faint);font-size:12px;margin:20px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--border)}.error-text{color:var(--danger);font-size:13px;margin-top:10px}.feature-list{display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:center;margin-top:30px;color:var(--text-faint);font-size:13px}.topbar{position:sticky;top:0;z-index:20;padding-top:var(--safe-top);background:#0b1220d1;backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);border-bottom:1px solid var(--border)}.topbar-inner{display:flex;align-items:center;gap:14px;height:60px;min-width:0}.topbar .brand{display:flex;align-items:center;gap:9px;font-weight:650;letter-spacing:-.01em;color:var(--text);flex-shrink:0}.topbar .brand:hover{text-decoration:none}.topbar .brand svg{width:26px;height:26px}.room-chip{display:flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:var(--bg-elev-2);border:1px solid var(--border);font-size:13px;min-width:0;flex-shrink:1;overflow:hidden}.room-chip .label{color:var(--text-faint);flex-shrink:0}.room-chip .id{font-weight:650;color:var(--accent);letter-spacing:.06em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}@media (max-width: 720px){.topbar-inner{gap:8px;height:54px}.topbar .brand span,.topbar .badge{display:none}.room-chip{padding:5px 10px;font-size:12px}.room-chip .label{display:none}.topbar .btn.ghost{padding:8px 10px;font-size:12px}.topbar .btn.ghost span{display:none}}.spacer{flex:1}.main{flex:1;padding:22px 0 140px;min-width:0}@media (max-width: 720px){.main{padding-bottom:120px}}html,body{max-width:100%;overflow-x:hidden}.dropzone{border:2px dashed var(--border-strong);border-radius:var(--radius);padding:30px 20px;text-align:center;transition:border-color .16s,background .16s;background:#131c2e80}.dropzone.active{border-color:var(--accent);background:var(--accent-dim)}.dropzone 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.name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.progress{height:5px;border-radius:3px;background:var(--bg-elev-2);overflow:hidden;margin-top:6px}.progress>i{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .16s ease-out;border-radius:3px}.section-head{display:flex;align-items:center;gap:12px;margin:26px 0 14px}.section-head h2{margin:0;font-size:15px;font-weight:650;color:var(--text-dim);letter-spacing:.02em}.section-head .count{color:var(--text-faint);font-size:13px}.photo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}@media (max-width: 720px){.photo-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr));gap:8px}}.photo-card{position:relative;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;background:var(--bg-elev);border:1px solid var(--border);cursor:pointer;transition:transform .14s,box-shadow .14s,border-color .14s}.photo-card:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:var(--border-strong)}.photo-card img{width:100%;height:100%;object-fit:cover;display:block}.photo-card .meta{position:absolute;inset:auto 0 0 0;padding:22px 8px 7px;background:linear-gradient(transparent,#000000c7);color:#fff;font-size:11px;display:flex;justify-content:space-between;gap:6px;opacity:0;transition:opacity .14s}.photo-card:hover .meta{opacity:1}.photo-card .meta span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.photo-card .actions{position:absolute;top:6px;right:6px;display:flex;gap:5px;opacity:0;transition:opacity .14s}.photo-card:hover .actions{opacity:1}.icon-btn{width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;background:#0b1220b8;color:var(--text);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);transition:background .14s,color .14s;font-size:14px}.icon-btn:hover{background:var(--accent);color:#06121f}.icon-btn.danger:hover{background:var(--danger);color:#fff}.file-list{display:flex;flex-direction:column;gap:8px}.file-row{display:flex;align-items:center;gap:13px;padding:12px 14px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius-sm);transition:border-color .14s,background .14s}.file-row:hover{border-color:var(--border-strong);background:var(--bg-elev-2)}.file-icon{width:40px;height:40px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:20px;border-radius:10px;background:var(--bg-elev-2)}.file-body{flex:1;min-width:0}.file-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;display:block}.file-sub{color:var(--text-faint);font-size:12px;display:flex;gap:8px;flex-wrap:wrap}.file-actions{display:flex;gap:6px;flex-shrink:0}@media (max-width: 720px){.file-actions .btn span{display:none}.file-actions .btn{padding:8px 10px}}.text-list{display:flex;flex-direction:column;gap:10px}.text-card{padding:14px 16px;background:var(--bg-elev);border:1px solid var(--border);border-left:3px solid var(--accent-2);border-radius:var(--radius-sm)}.text-card .head{display:flex;align-items:center;gap:10px;margin-bottom:7px;font-size:12px;color:var(--text-faint)}.text-card pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:14px;line-height:1.7;max-height:320px;overflow:auto;color:var(--text)}.text-card pre.clamped{max-height:110px;overflow:hidden;position:relative}.text-card pre.clamped:after{content:"";position:absolute;inset:auto 0 0 0;height:46px;background:linear-gradient(transparent,var(--bg-elev));pointer-events:none}.text-card .toggle{font-size:12px;color:var(--accent);margin-top:6px}.empty{text-align:center;padding:56px 20px;color:var(--text-faint)}.empty .emoji{font-size:42px;display:block;margin-bottom:12px;opacity:.7}.empty h3{margin:0 0 6px;color:var(--text-dim);font-size:16px;font-weight:500}.empty p{margin:0;font-size:13px}.composer{margin-top:16px;padding:16px;background:var(--bg-elev);border:1px solid var(--border);border-radius:var(--radius);animation:fadeUp .2s ease-out both}.composer .head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:13px;color:var(--text-dim)}.composer .footer{display:flex;align-items:center;gap:10px;margin-top:10px}.composer .footer .spacer{flex:1}.paste-hint{position:fixed;left:50%;bottom:88px;transform:translate(-50%);z-index:40;padding:10px 18px;border-radius:999px;background:var(--bg-elev-2);border:1px solid var(--border-strong);box-shadow:var(--shadow);font-size:13px;color:var(--text-dim);animation:fadeUp .2s ease-out both;pointer-events:none}.fab-bar{position:fixed;left:50%;bottom:calc(20px + var(--safe-bottom));transform:translate(-50%);z-index:30;display:flex;align-items:center;gap:8px;padding:8px;border-radius:999px;background:#131c2ee6;border:1px solid var(--border-strong);box-shadow:var(--shadow-lg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);max-width:calc(100vw - 24px)}@media (max-width: 480px){.fab-bar{gap:4px;padding:6px}.fab-bar .btn{padding:9px 12px;font-size:12px}}.fab-bar .btn{border-radius:999px;padding:9px 16px;background:transparent;border-color:transparent;color:var(--text-dim);font-size:13px}.fab-bar .btn:hover:not(:disabled){background:var(--bg-hover);color:var(--text)}.fab-bar .btn.primary{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06121f}.fab-bar .btn.primary:hover:not(:disabled){filter:brightness(1.08);background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#06121f}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;background:#040810db;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeUp .16s ease-out both}.modal{background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:100%;max-height:100%;overflow:auto;animation:pop .18s ease-out both}.modal-head{display:flex;align-items:center;gap:12px;padding:14px 18px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-elev);z-index:1}.modal-head h3{margin:0;font-size:15px;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.modal-body{padding:18px}.image-viewer{display:flex;align-items:center;justify-content:center;background:#05080f}.image-viewer img{max-width:92vw;max-height:84vh;object-fit:contain;display:block}.share-box{display:flex;flex-direction:column;gap:14px;align-items:center;width:340px;max-width:100%}.qr-wrap{padding:12px;background:#fff;border-radius:var(--radius);line-height:0}.qr-wrap svg{display:block;width:220px;height:220px}.share-link{display:flex;gap:8px;width:100%}.share-link input{font-size:13px;flex:1}.room-big{font-size:24px;font-weight:700;letter-spacing:.18em;color:var(--accent);text-align:center}.toasts{position:fixed;top:calc(72px + var(--safe-top));left:50%;transform:translate(-50%);z-index:300;display:flex;flex-direction:column;gap:8px;align-items:center;pointer-events:none;width:max-content;max-width:92vw}.toast{padding:10px 18px;border-radius:999px;background:var(--bg-elev-2);border:1px solid var(--border-strong);box-shadow:var(--shadow);font-size:13px;animation:fadeUp .2s ease-out both;display:flex;align-items:center;gap:8px;max-width:100%}.toast.error{border-color:#f8717180;background:#3c141af5;color:#fecaca}.toast.success{border-color:#34d39980;background:#0c2c24f5;color:#a7f3d0}.toast span{overflow:hidden;text-overflow:ellipsis}.skeleton{background:linear-gradient(90deg,var(--bg-elev) 25%,var(--bg-elev-2) 50%,var(--bg-elev) 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.footnote{text-align:center;color:var(--text-faint);font-size:12px;padding:24px 20px calc(150px + var(--safe-bottom))}@media (max-width: 720px){.footnote{padding-bottom:calc(140px + var(--safe-bottom))}}.footnote .warn{color:var(--warn);margin-top:6px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}