:root{--bg:#0b0d10;--bg-2:#12161c;--panel:#171c24;--panel-2:#1f2631;--line:rgba(255,255,255,0.1);--text:#f4f6f8;--muted:#a3adba;--accent:#4f8cff;--accent-2:#7fb0ff;--ok:#34d399;--warn:#f5b53d;--danger:#ff5c5c;--hand:#ffd166;--radius:14px;--radius-lg:22px;--shadow:0 10px 30px rgba(0,0,0,0.35);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;--safe-b:env(safe-area-inset-bottom,0px);--safe-t:env(safe-area-inset-top,0px)}*{box-sizing:border-box}html{color-scheme:dark;background:var(--bg);-webkit-text-size-adjust:100%}body,html{margin:0;width:100%;height:100%;overflow:hidden}body{font-family:var(--font);color:var(--text);font-size:18px;line-height:1.35;-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer;border:0;background:none;padding:0}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--accent-2);outline-offset:2px}a{color:var(--accent-2)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.splash{height:100%;display:grid;place-items:center;color:var(--muted)}.splash-logo{font-weight:700;letter-spacing:.04em}.screen{height:100%;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:calc(16px + var(--safe-t)) 16px calc(24px + var(--safe-b));display:flex;flex-direction:column;align-items:center}.screen-inner{flex-direction:column;gap:18px;margin:auto 0}.screen-inner,.screen-top{width:100%;max-width:560px;display:flex}.screen-top{justify-content:space-between;align-items:center;gap:12px;min-height:44px}.brand{font-weight:700;color:var(--muted);font-size:15px;letter-spacing:.04em;text-transform:uppercase}.step-title{font-size:clamp(26px,5vw,34px);font-weight:700;margin:0;line-height:1.15}.step-help{color:var(--muted);margin:0;font-size:17px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow)}.stack{flex-direction:column;gap:14px}.row,.stack{display:flex}.row{gap:12px;align-items:center;flex-wrap:wrap}.row-between{justify-content:space-between}.grow{flex:1 1 auto;min-width:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:48px;padding:10px 18px;border-radius:var(--radius);background:var(--panel-2);color:var(--text);font-weight:600;font-size:17px;border:1px solid var(--line);transition:transform .08s ease,background .15s ease,opacity .15s ease;-webkit-user-select:none;-moz-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.98)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{min-height:64px;font-size:20px;background:var(--accent);border-color:transparent;color:#fff}.btn-primary:hover:not(:disabled){background:#3f7cf0}.btn-ghost{background:transparent}.btn-danger{background:rgba(255,92,92,.15);border-color:rgba(255,92,92,.4);color:#ffb3b3}.btn-ok{background:rgba(52,211,153,.15);border-color:rgba(52,211,153,.4);color:#b8f5dc}.btn-block{width:100%}.btn-sm{min-height:44px;padding:6px 12px;font-size:15px}.btn.is-active{background:var(--accent);border-color:transparent;color:#fff}.field{display:flex;flex-direction:column;gap:8px}.label{font-size:15px;color:var(--muted);font-weight:600}.input{width:100%;min-height:56px;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--line);background:var(--bg-2);color:var(--text);font-size:20px}.input-code{text-transform:uppercase;letter-spacing:.25em;font-size:28px;font-weight:700;text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.check{display:flex;align-items:center;gap:12px;min-height:44px;font-size:17px}.check input{width:24px;height:24px;accent-color:var(--accent)}.error{color:#ffb3b3;background:rgba(255,92,92,.12);border:1px solid rgba(255,92,92,.35);border-radius:var(--radius);padding:12px 14px;font-size:16px}.note{font-size:15px}.muted,.note{color:var(--muted)}.uilang{display:inline-flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:3px}.uilang-btn{min-width:44px;min-height:38px;border-radius:999px;font-size:13px;font-weight:700;color:var(--muted)}.uilang-btn.is-active{background:var(--panel-2);color:var(--text)}.avatar{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:50%;font-size:24px;flex:0 0 auto}.avatar-sm{width:32px;height:32px;font-size:18px}.avatar-lg{width:72px;height:72px;font-size:40px}.avatar-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px}.avatar-btn{aspect-ratio:1;min-height:64px;border-radius:var(--radius);display:grid;place-items:center;font-size:36px;background:var(--bg-2);border:3px solid transparent}.avatar-btn.is-active{border-color:var(--accent);background:var(--panel-2)}.lang-tiles{display:grid;grid-gap:12px;gap:12px}.lang-tile{display:flex;align-items:center;gap:14px;min-height:76px;padding:10px 10px 10px 18px;border-radius:var(--radius-lg);background:var(--bg-2);border:3px solid transparent;text-align:left;width:100%}.lang-tile.is-active{border-color:var(--accent);background:var(--panel-2)}.lang-tile .lang-name{font-size:22px;font-weight:700;flex:1 1}.lang-tile .lang-code{font-size:13px;color:var(--muted);font-weight:700;letter-spacing:.1em}.lang-play{width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:var(--panel);border:1px solid var(--line);font-size:20px;flex:0 0 auto}.lang-play.is-playing{background:var(--accent);border-color:transparent}.meter{height:16px;border-radius:999px;background:var(--bg-2);overflow:hidden;border:1px solid var(--line)}.meter-bar{height:100%;background:linear-gradient(90deg,var(--ok),var(--warn));transition:width .06s linear}.room{height:100%;width:100%;background:#000;grid-template-rows:1fr auto;overflow:hidden}.room,.room-main{position:relative;display:grid}.room-main{min-height:0;grid-template-columns:1fr}.room-main.has-panel{grid-template-columns:1fr minmax(280px,360px)}.stage{position:relative;min-height:0;min-width:0;background:#000;overflow:hidden}.stage .lk-participant-media-video,.stage video{width:100%;height:100%;object-fit:contain;background:#000;display:block}.stage-placeholder{height:100%;display:grid;place-items:center;color:var(--muted);text-align:center;padding:24px;background:radial-gradient(ellipse at center,#1a2130 0,#0b0d10 70%)}.stage-placeholder .avatar-lg{margin-bottom:12px}.pills{position:absolute;top:calc(12px + var(--safe-t));left:12px;right:12px;display:flex;gap:8px;flex-wrap:wrap;pointer-events:none;z-index:5}.pill{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:6px 12px;border-radius:999px;background:rgba(10,12,16,.75);border:1px solid var(--line);font-size:15px;font-weight:600;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);pointer-events:auto}.pill-translating{color:#cfe0ff}.pill-translating:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--accent-2);animation:pulse 1s ease-in-out infinite}.pill-rec{color:#ffb3b3}.pill-rec:before{content:"";width:10px;height:10px;border-radius:50%;background:var(--danger);animation:pulse 1.6s ease-in-out infinite}.pill-warn{color:#ffe2a8}@keyframes pulse{0%,to{opacity:1}50%{opacity:.35}}.captions{position:absolute;left:0;right:0;bottom:0;padding:10px 16px 14px;background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,0,0,.82) 30%);pointer-events:none;z-index:4;min-height:96px;display:flex;flex-direction:column;justify-content:flex-end}.caption-line{font-size:clamp(28px,3.4vw,40px);line-height:1.25;font-weight:600;color:#fff;text-shadow:0 0 6px rgba(0,0,0,.9),0 2px 2px rgba(0,0,0,.9);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;max-width:1100px;margin:0 auto;width:100%}.caption-line.is-old{color:rgba(255,255,255,.75)}.caption-line .caption-who{color:var(--accent-2);font-weight:700;margin-right:10px}.bottombar{gap:10px;padding:10px 12px calc(10px + var(--safe-b));background:var(--bg);border-top:1px solid var(--line);flex-wrap:wrap}.bar-btn,.bottombar{display:flex;align-items:center;justify-content:center}.bar-btn{flex-direction:column;gap:2px;min-width:76px;min-height:64px;padding:6px 12px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--text);position:relative}.bar-btn .ico{font-size:26px;line-height:1}.bar-btn.is-active{background:var(--accent);border-color:transparent}.bar-btn.is-hand.is-active{background:var(--hand);color:#1a1400}.bar-btn.is-leave{min-width:56px;color:var(--muted)}.bar-btn .badge{position:absolute;top:-6px;right:-6px;min-width:22px;height:22px;border-radius:11px;background:var(--danger);color:#fff;font-size:12px;display:grid;place-items:center;padding:0 6px}.side-panel{background:var(--bg-2);border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-bottom:1px solid var(--line);font-weight:700}.panel-body{flex:1 1;overflow-y:auto;padding:12px;display:flex;flex-direction:column;gap:10px}.chat-msg{background:var(--panel);border-radius:var(--radius);padding:8px 12px;font-size:16px;max-width:100%;word-wrap:break-word}.chat-msg.is-mine{background:rgba(79,140,255,.2);align-self:flex-end}.chat-msg.is-pending{opacity:.6}.chat-msg.is-system{background:transparent;color:var(--muted);font-size:14px;text-align:center}.chat-who{font-size:13px;color:var(--muted);font-weight:700;margin-bottom:2px}.chat-input{display:flex;gap:8px;padding:10px 12px calc(10px + var(--safe-b));border-top:1px solid var(--line)}.chat-input .input{min-height:48px;font-size:17px}.file-item{display:flex;align-items:center;gap:12px;background:var(--panel);border-radius:var(--radius);padding:10px 12px}.file-item .file-name{flex:1 1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:600}.file-item .file-meta{color:var(--muted);font-size:13px}.overlay{position:absolute;inset:0;z-index:20;display:grid;place-items:center;background:rgba(5,7,10,.86);padding:20px}.overlay-card{width:100%;max-width:480px;text-align:center}.overlay-card h2{margin:0 0 8px;font-size:26px}.overlay-card p{margin:0 0 18px;color:var(--muted)}.spinner{width:36px;height:36px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--accent-2);animation:spin .9s linear infinite;margin:0 auto 14px}@keyframes spin{to{transform:rotate(1turn)}}.banner-speaking{position:absolute;top:calc(56px + var(--safe-t));left:12px;right:12px;z-index:6;display:flex;align-items:center;gap:14px;padding:12px 14px;border-radius:var(--radius-lg);background:rgba(52,211,153,.18);border:2px solid var(--ok);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.banner-speaking .big{font-size:20px;font-weight:800}.banner-speaking .sub{color:#d8fff0;font-size:15px}.banner-mic-off{position:absolute;top:calc(56px + var(--safe-t));left:12px;z-index:6}.reactions-pop{position:absolute;bottom:100%;left:50%;transform:translateX(-50%);margin-bottom:8px;display:flex;gap:6px;background:var(--panel);border:1px solid var(--line);border-radius:999px;padding:6px;box-shadow:var(--shadow);z-index:10}.reaction-btn{width:52px;height:52px;border-radius:50%;font-size:28px;display:grid;place-items:center}.reaction-btn:hover{background:var(--panel-2)}.reaction-float{position:absolute;bottom:90px;font-size:40px;animation:floatUp 2.2s ease-out forwards;pointer-events:none;z-index:7}@keyframes floatUp{0%{transform:translateY(0) scale(.8);opacity:0}15%{opacity:1;transform:translateY(-20px) scale(1.1)}to{transform:translateY(-260px) scale(1);opacity:0}}.modal{position:absolute;inset:0;z-index:30;background:rgba(5,7,10,.8);display:grid;place-items:center;padding:16px;overflow-y:auto}.modal-card{width:100%;max-width:520px}.tc{height:100%;display:grid;grid-template-rows:auto 1fr auto;background:var(--bg);overflow:hidden}.tc-top{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--line);flex-wrap:wrap;min-height:56px}.tc-main{grid-template-columns:1fr minmax(300px,380px)}.tc-main,.tc-stage{display:grid;min-height:0}.tc-stage{position:relative;background:#000;grid-template-rows:1fr auto}.tc-stage .stage{min-height:200px}.tc-stage-wrap{position:relative;min-height:0;display:flex;flex-direction:column}.tc-stage-wrap .stage-live{flex:1 1 auto;min-height:0;display:grid;place-items:center}.stage-canvas{width:100%;height:100%;object-fit:contain;display:block;background:#000}.stage-controls{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 12px;background:var(--panel);border-top:1px solid var(--line)}.stage-controls:focus-visible{outline:3px solid var(--accent-2);outline-offset:-3px}.stage-controls .seek{flex:1 1 160px;min-width:120px;min-height:44px;accent-color:var(--accent)}.seg{display:inline-flex;gap:2px;padding:3px;border-radius:999px;background:var(--panel);border:1px solid var(--line)}.seg-btn{min-height:38px;padding:4px 12px;border-radius:999px;font-size:14px;font-weight:700;color:var(--muted);white-space:nowrap}.seg-btn.is-active{background:var(--accent);color:#fff}.stage-paused{position:absolute;inset:0;z-index:8;display:grid;place-items:center;background:rgba(5,7,10,.45);pointer-events:none;padding:24px}.stage-paused-card{background:rgba(23,28,36,.92);border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 30px;font-size:clamp(24px,3.2vw,36px);font-weight:700;text-align:center;max-width:720px;box-shadow:var(--shadow)}.banner-warn{position:absolute;top:12px;left:12px;right:12px;z-index:9;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 14px;border-radius:var(--radius);background:rgba(245,181,61,.18);border:2px solid var(--warn);color:#ffe2a8;font-weight:700;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.tc-preview{background:var(--bg-2);border-top:1px solid var(--line);padding:8px 12px;min-height:110px}.tc-preview .caption-line{font-size:24px}.tc-side{border-left:1px solid var(--line);display:flex;flex-direction:column;min-height:0;background:var(--bg-2)}.tc-tabs{display:flex;border-bottom:1px solid var(--line)}.tc-tab{flex:1 1;min-height:48px;font-weight:700;color:var(--muted);border-bottom:3px solid transparent;position:relative}.tc-tab.is-active{color:var(--text);border-bottom-color:var(--accent)}.tc-tab .badge{position:absolute;top:6px;right:10px;min-width:20px;height:20px;border-radius:10px;background:var(--hand);color:#1a1400;font-size:12px;display:grid;place-items:center;padding:0 5px}.tc-bottom{display:flex;gap:8px;padding:8px 12px calc(8px + var(--safe-b));border-top:1px solid var(--line);flex-wrap:wrap}.chip,.tc-bottom{align-items:center}.chip{display:inline-flex;gap:6px;min-height:32px;padding:4px 10px;border-radius:999px;background:var(--panel);border:1px solid var(--line);font-size:14px;font-weight:700}.chip.is-on{background:rgba(79,140,255,.2);border-color:rgba(79,140,255,.5)}.chip-group{display:inline-flex;gap:6px;flex-wrap:wrap;align-items:center}.select{min-height:44px;padding:6px 12px;border-radius:var(--radius);border:1px solid var(--line);font-weight:600}.roster-item,.select{background:var(--panel)}.roster-item{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:var(--radius)}.roster-item .who{flex:1 1;min-width:0}.roster-item .who .name{font-weight:700;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.roster-item .who .meta{color:var(--muted);font-size:13px;display:flex;gap:8px;align-items:center}.dot{width:9px;height:9px;border-radius:50%;background:var(--muted);display:inline-block}.dot.is-on{background:var(--ok)}.hand-item{border:2px solid var(--hand)}.hold-btn{position:relative;overflow:hidden}.hold-btn .hold-fill{position:absolute;inset:0;width:0;background:rgba(255,92,92,.45);transition:width .1s linear}.hold-btn.is-holding .hold-fill{width:100%;transition:width 2s linear}.hold-btn span{position:relative}.qr-box{background:#fff;padding:10px;border-radius:var(--radius);display:inline-block}.join-info{display:grid;grid-template-columns:auto 1fr;grid-gap:16px;gap:16px;align-items:center}.join-code-big{font-size:40px;font-weight:800;letter-spacing:.2em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.join-url{font-size:15px;word-break:break-all}.clock,.join-url{color:var(--muted)}.clock{font-feature-settings:"tnum";font-variant-numeric:tabular-nums;font-weight:700}.lk-button{min-height:44px}.tc-top .btn,.tc-top .lk-button{min-height:44px;padding:6px 12px;border-radius:var(--radius);font-size:15px;font-weight:700;border:1px solid var(--line);background:var(--panel);color:var(--text)}.tc-top .lk-button[aria-pressed=true],.tc-top .lk-button[data-lk-enabled=true]{background:rgba(52,211,153,.2);border-color:rgba(52,211,153,.6)}.toast{position:fixed;left:50%;bottom:calc(90px + var(--safe-b));transform:translateX(-50%);background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);padding:10px 16px;z-index:50;box-shadow:var(--shadow);font-weight:600;max-width:calc(100% - 32px)}.toast.is-error{border-color:rgba(255,92,92,.5);color:#ffb3b3}@media (max-width:860px){.room-main.has-panel{grid-template-columns:1fr;grid-template-rows:1fr minmax(200px,45%)}.side-panel{border-left:0;border-top:1px solid var(--line)}.tc-main{grid-template-columns:1fr;grid-template-rows:minmax(180px,45%) 1fr}.tc-side{border-left:0;border-top:1px solid var(--line)}.bar-btn{min-width:64px}.join-info{grid-template-columns:1fr}}@media (max-width:420px){.avatar-grid{grid-template-columns:repeat(3,1fr)}.caption-line{font-size:28px}}