:root{--theme: #0097a7;--theme-dark: #00787f;--theme-soft: #e6f6f8;--bg: #ffffff;--card: #ffffff;--text: #1a1d21;--text-2: #6b7177;--text-3: #9aa0a6;--line: #eceef0;--danger: #e74c3c;--danger-soft: #fdecea;--live: #22c55e;--accent: #2563eb;--orig: #00bcd4}*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}#app{height:100vh;height:100dvh;display:flex;flex-direction:column;padding:env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);overflow:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit}.topbar{z-index:10;flex-shrink:0;display:flex;flex-direction:column;gap:8px;padding:11px 14px;background:var(--card);border-bottom:1px solid var(--line)}.topbar .title-wrap{flex:1;min-width:0}.topbar .ch-name{font-size:16px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar .ch-sub{font-size:12px;color:var(--text-3);margin-top:1px}.topbar .meta{display:flex;align-items:center;gap:7px}.live-badge{display:inline-flex;align-items:center;gap:3px;font-size:12px;color:#fff;background:var(--live);padding:3px 6px 3px 4px;border-radius:999px;font-weight:600}.live-badge .dot{width:6px;height:6px;border-radius:50%;background:#fff;animation:blink 1s infinite}.live-badge.off{background:#c2c7cc}.live-badge.off .dot{animation:none}.meta-pill{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--text-2);background:#f0f2f4;padding:4px 9px;border-radius:999px;white-space:nowrap}.status-badge{display:inline-flex;align-items:center;gap:5px;font-size:11px;color:var(--text-3)}.status-badge .dot{width:7px;height:7px;border-radius:50%;background:#c2c7cc}.status-badge.connecting .dot{background:#f39c12;animation:blink 1s infinite}.status-badge.open .dot{background:#2ecc71}.status-badge.reconnecting .dot{background:#f39c12;animation:blink 1s infinite}.status-badge.closed .dot{background:var(--danger)}.card{margin:12px 14px;padding:14px;background:var(--card);border-radius:14px;box-shadow:0 1px 4px #141e280d}.field{margin-bottom:13px}.field:last-child{margin-bottom:0}.field label{display:block;font-size:13px;color:var(--text-2);margin-bottom:6px}.field input{width:100%;padding:11px 12px;font-size:15px;color:var(--text);background:#f7f8fa;border:1px solid var(--line);border-radius:10px;outline:none}.field input:focus{border-color:var(--theme);background:#fff}.field .hint{font-size:12px;color:var(--text-3);margin-top:5px}.field select{width:100%;padding:11px 12px;font-size:15px;color:var(--text);background:#f7f8fa;border:1px solid var(--line);border-radius:10px;outline:none;font-family:inherit}.field select:focus{border-color:var(--theme);background:#fff}.create-row{display:flex;gap:8px;align-items:stretch}.create-row input{flex:1}.create-row select{width:120px;flex-shrink:0}.create-msg{font-size:13px;margin-top:8px;color:var(--danger);line-height:1.4;word-break:break-word}.create-msg.ok{color:#27ae60}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:13px 16px;font-size:15px;font-weight:600;color:#fff;background:var(--theme);border:none;border-radius:12px;cursor:pointer;transition:opacity .15s,transform .05s}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.secondary{background:#eef1f3;color:var(--text)}.btn.danger{background:var(--danger)}.btn-row{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}.btn-row.three{grid-template-columns:repeat(3,1fr)}.btn-row.four{grid-template-columns:repeat(4,1fr)}.btn-row .btn{padding:11px 8px;font-size:13px}.host-controls{margin:12px 14px 0;padding:10px 12px;background:var(--card);border-radius:14px;box-shadow:0 1px 4px #141e280d}.subtitle-wrap{flex:1;position:relative;display:flex;flex-direction:column;min-height:0;padding:12px 14px}.sub-toolbar{display:flex;align-items:center;gap:10px;margin-bottom:10px;min-height:0}.sub-toolbar .speaking-indicator{margin-bottom:0}.speaking-indicator{position:absolute;left:14px;bottom:14px;display:inline-flex;align-items:center;gap:8px;padding:7px 12px;font-size:13px;color:var(--theme);background:var(--theme-soft);border-radius:10px;box-shadow:0 1px 4px #141e2814;z-index:2}.speaking-indicator .wave{display:inline-flex;gap:2px;align-items:center}.speaking-indicator .wave span{width:3px;height:13px;background:var(--theme);border-radius:2px;animation:wave .9s ease-in-out infinite}.speaking-indicator .wave span:nth-child(2){animation-delay:.15s}.speaking-indicator .wave span:nth-child(3){animation-delay:.3s}.speaking-indicator .wave span:nth-child(4){animation-delay:.45s}.lang-wrap{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:var(--text-2);background:#f0f2f4;padding:6px 10px;border-radius:999px;white-space:nowrap;flex-shrink:0;margin-left:auto}.lang-select{-moz-appearance:none;appearance:none;-webkit-appearance:none;background:transparent;border:none;font-size:13px;color:var(--text);font-weight:600;outline:none;cursor:pointer}.ended-banner{margin:10px 14px 0;padding:12px 14px;text-align:center;font-size:14px;color:var(--text-2);background:#f0f2f4;border-radius:12px}.subtitle-list{flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:10px;-webkit-overflow-scrolling:touch}.sub-item{padding:6px 2px;background:transparent;border-radius:0;animation:fadein .25s ease}.sub-time{font-size:11px;color:var(--text-3);margin-bottom:6px}.sub-orig{font-size:16px;font-weight:500;color:var(--orig);line-height:1.45;word-break:break-word}.sub-trans{font-size:14px;color:var(--text-2);line-height:1.5;margin-top:5px;word-break:break-word}.sub-trans.loading{color:var(--text-3);font-style:italic}.sub-item.active .sub-trans{color:var(--orig);font-weight:600}.empty-tip{flex:1;display:flex;align-items:center;justify-content:center;text-align:center;color:var(--text-3);font-size:14px;padding:30px;line-height:1.6}.bottom-bar{z-index:10;flex-shrink:0;display:flex;align-items:center;justify-content:space-around;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:var(--card);border-top:1px solid var(--line)}.bbtn{display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;color:var(--text-2);background:none;border:none;cursor:pointer;padding:4px 8px}.bbtn .ico{width:46px;height:46px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eef1f3;font-size:20px;line-height:1}.bbtn.danger .ico{background:var(--danger-soft);color:var(--danger)}.bbtn.primary .ico{background:var(--theme);color:#fff}.bbtn.share .ico{background:var(--theme-soft);color:var(--theme)}.page-host,.page-audience{flex:1;min-height:0;display:flex;flex-direction:column}.index-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:30px 20px}.index-wrap h1{font-size:24px;text-align:center;color:var(--text)}.index-wrap p.lead{color:var(--text-2);font-size:14px;text-align:center;max-width:320px}.index-entry{display:flex;flex-direction:column;gap:6px;width:100%;max-width:360px;padding:20px;border-radius:16px;background:var(--card);box-shadow:0 2px 10px #141e280f;border-top:4px solid var(--theme)}.index-entry.host{border-top-color:#e67e22}.index-entry.audience{border-top-color:#2980b9}.index-entry .name{font-size:18px;font-weight:600;color:var(--text)}.index-entry .desc{font-size:13px;color:var(--text-2)}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}@keyframes fadein{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@keyframes wave{0%,to{transform:scaleY(.4)}50%{transform:scaleY(1)}}.topbar-close,.topbar-settings{background:none;border:none;cursor:pointer;color:var(--text);font-size:20px;line-height:1;padding:2px 4px;flex-shrink:0}.topbar-settings{font-size:19px}.topbar-lang{-moz-appearance:auto;appearance:auto;-webkit-appearance:auto;font-size:13px;font-weight:600;color:var(--text);background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px;outline:none;cursor:pointer;max-width:110px;flex-shrink:0;font-family:inherit}.bottom-bar.audience .bbtn{gap:0}.bottom-bar.audience .bbtn .ico{width:auto;height:auto;border-radius:0;background:none;color:var(--text);font-size:26px}.bottom-bar.audience .bbtn-primary-ico .ico-play{width:58px;height:58px;border-radius:50%;background:var(--text);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px #141e282e}.topbar-row{display:flex;align-items:center;gap:10px}.topbar-row-main .title-wrap{flex:1;min-width:0}.topbar-row-meta{flex-wrap:wrap;gap:6px}.topbar-logo{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;background:var(--theme-soft)}.topbar-logo img{width:100%;height:100%;object-fit:contain}.topbar-icon-btn{background:none;border:none;cursor:pointer;color:var(--text);font-size:20px;line-height:1;padding:2px 4px;flex-shrink:0;display:inline-flex;align-items:center}.topbar-icon-btn.off{opacity:.5}.live-badge .live-ico{width:11px;height:11px;display:inline-block}.meta-pill .pill-ico{width:14px;height:14px;display:inline-block;vertical-align:middle;margin-right:1px}.bottom-bar.audience .bbtn .ico-img{width:42px;height:42px;object-fit:contain}.bottom-bar.audience .bbtn .ico-img-play{width:62px;height:62px}