:root{
  --bg:#f7f8fa;--surface:#fff;--surface-2:#f1f3f7;--text:#172033;--muted:#667085;
  --line:#e5e8ef;--primary:#5b5ce2;--primary-dark:#4748c8;--ok:#17a673;--warning:#d58a00;--danger:#e5484d;
  --brand:#f2b84b;--shadow:0 10px 30px rgba(23,32,51,.08)
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,select{font:inherit}.hidden{display:none!important}button{touch-action:manipulation}
.join-card{width:min(480px,calc(100% - 28px));margin:5vh auto;background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:28px 30px 30px;box-shadow:var(--shadow)}
.brand{display:flex;align-items:center;gap:10px;font-weight:850;letter-spacing:.08em;color:var(--text);min-height:48px}
.brand-logo{height:46px;width:auto;max-width:92px;object-fit:contain}
.language-first{display:grid;grid-template-columns:auto minmax(150px,190px);align-items:center;justify-content:space-between;gap:16px;padding:14px 0 4px;border-top:1px solid var(--line);margin-top:8px}
.language-first label{font-size:13px;font-weight:750;color:var(--muted)}
.language-first select{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #d7dce5;background:#fff;color:var(--text);outline:none}
.join-card h1{font-size:30px;margin:18px 0 6px}.join-card h2{margin:8px 0 6px}.muted{color:var(--muted);margin-top:0}
.join-card form>label{display:block;margin:17px 0 7px;font-size:14px;font-weight:650}
.join-card input,.join-card select{width:100%;padding:13px 14px;border-radius:12px;border:1px solid #d7dce5;background:#fff;color:var(--text);margin-top:7px;outline:none}
.join-card input:focus,.join-card select:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(91,92,226,.12)}
.join-card form button,.primary-secondary{width:100%;border:0;border-radius:12px;padding:14px;background:var(--primary);color:#fff;font-weight:750;margin-top:10px;cursor:pointer}
.status{min-height:22px;margin-top:14px;color:var(--danger)}
.invite-name{font-weight:750;color:var(--primary);margin:4px 0 10px}
.created-room{text-align:center;padding-top:18px}.created-check{margin:0 auto 8px;width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:#e9f8f2;color:var(--ok);font-weight:900;font-size:20px}
.created-room p{color:var(--muted)}.invite-row{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:end}.invite-row input{margin:0}.invite-row button{border:0;border-radius:10px;padding:13px 14px;background:var(--surface-2);font-weight:750;cursor:pointer}
.primary-secondary{margin-top:14px!important}
.meeting{height:100dvh;display:grid;grid-template-rows:58px 1fr 60px}
.meeting header,.meeting footer{display:flex;align-items:center;padding:0 18px;background:rgba(255,255,255,.94);border-color:var(--line);z-index:10}
.meeting header{justify-content:space-between;border-bottom:1px solid var(--line)}
.room-title{display:flex;align-items:center;gap:7px}.header-logo{height:34px;width:auto;max-width:66px;object-fit:contain}.room-title span{color:var(--muted)}
.header-statuses{display:flex;align-items:center;gap:12px}.connection{font-size:12px;color:var(--ok);font-weight:650}.ai-status{font-size:12px;font-weight:750;padding:5px 8px;border-radius:8px;background:#e9f8f2;color:var(--ok)}.ai-status.waiting{background:#fff5df;color:var(--warning)}.ai-status.error{background:#fff0f1;color:var(--danger)}
.workspace{min-height:0;display:grid;grid-template-columns:240px minmax(0,1fr);gap:14px;padding:14px}.videos{overflow:auto;display:flex;flex-direction:column;gap:10px}
.video-card{background:var(--surface);border:2px solid var(--line);border-radius:14px;overflow:hidden;flex:0 0 auto;box-shadow:0 2px 8px rgba(23,32,51,.04)}
.media{aspect-ratio:16/9;background:#202635;display:flex;align-items:center;justify-content:center}.media video{width:100%;height:100%;object-fit:cover}.name{padding:8px 10px;font-size:13px;font-weight:650}.video-card.mic-owner{border-color:var(--danger);outline:2px solid rgba(229,72,77,.28);outline-offset:2px;box-shadow:0 0 0 4px rgba(229,72,77,.10),0 2px 8px rgba(23,32,51,.04)}
.conversation{min-width:0;min-height:0;background:var(--surface);border:1px solid var(--line);border-radius:18px;display:grid;grid-template-rows:auto auto auto 1fr;overflow:hidden;box-shadow:0 2px 12px rgba(23,32,51,.04)}
.conversation-top{display:flex;align-items:center;justify-content:space-between;padding:18px 22px 10px}.eyebrow{font-size:11px;letter-spacing:.12em;font-weight:800;color:var(--muted);margin-bottom:5px}.speaker-status{font-size:15px;font-weight:700;color:var(--text)}.language-badge{padding:6px 9px;border-radius:8px;background:#eef0ff;color:var(--primary);font-size:12px;font-weight:800}
.talk-zone{padding:8px 22px 14px;position:relative;z-index:5}.talk-button{width:100%;min-height:66px;border:0;border-radius:16px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;gap:13px;cursor:pointer;user-select:none;-webkit-user-select:none;box-shadow:0 7px 18px rgba(91,92,226,.22);transition:transform .08s,background .15s}.talk-button:active,.talk-button.talking{transform:scale(.995);background:var(--danger);box-shadow:0 7px 18px rgba(229,72,77,.20)}.talk-button.busy{background:#d9dde6;color:#667085;box-shadow:none;cursor:not-allowed}.mic-icon{font-size:15px}.talk-copy{display:flex;flex-direction:column;align-items:flex-start;line-height:1.2}.talk-copy strong{font-size:15px;letter-spacing:.025em}.talk-copy small{font-size:11px;font-weight:500;opacity:.85;margin-top:4px}
.transcript-feed{min-height:0;overflow-y:auto;padding:0 22px 28px;scroll-behavior:smooth;overscroll-behavior:contain}.placeholder{height:100%;min-height:170px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);gap:7px}.placeholder strong{color:var(--text)}.transcript-entry{padding:15px 0;border-bottom:1px solid var(--line)}.transcript-meta{display:flex;align-items:center;gap:8px;margin-bottom:7px}.transcript-author{font-size:13px;font-weight:800;color:var(--text)}.transcript-time{font-size:12px;color:#98a2b3}.transcript-route{font-size:10px;font-weight:800;color:var(--primary);background:#eef0ff;border-radius:6px;padding:3px 6px;margin-left:auto}.transcript-original{font-size:18px;line-height:1.48;color:var(--text)}.transcript-translation{font-size:20px;line-height:1.48;color:var(--text);font-weight:650}.transcript-source{font-size:13px;line-height:1.45;color:#8a94a6;margin-top:7px}.transcript-source::before{content:"Original: ";font-weight:650}.outgoing-translations{margin-top:9px;padding-top:8px;border-top:1px dashed #e5e8ef;display:flex;flex-direction:column;gap:5px}.outgoing-translation{display:grid;grid-template-columns:34px minmax(0,1fr);gap:8px;align-items:start;font-size:13px;line-height:1.45;color:#7b8496}.outgoing-lang{font-size:10px;font-weight:850;letter-spacing:.04em;color:var(--primary);background:#eef0ff;border-radius:6px;padding:3px 5px;text-align:center}.transcript-interim{padding:12px 0;color:#98a2b3;font-style:italic}
.meeting footer{justify-content:space-between;gap:14px;border-top:1px solid var(--line)}.meeting footer button{border:0;border-radius:10px;padding:9px 14px;background:var(--surface-2);color:var(--text);cursor:pointer}.meeting footer .danger{background:#fff0f1;color:#c9353b}.footer-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}.footer-invite{margin-left:auto;display:flex;align-items:center;gap:8px;min-width:0}.footer-invite span{font-size:12px;font-weight:750;color:var(--muted);white-space:nowrap}.footer-invite input{width:min(360px,32vw);height:36px;border:1px solid var(--line);border-radius:9px;background:#fff;color:var(--text);padding:0 10px;font-size:12px;outline:none}.footer-invite button{font-weight:750}
@media(max-width:700px){.join-card{margin:2.5vh auto;padding:22px}.brand-logo{height:40px}.language-first{grid-template-columns:1fr;margin-top:4px}.language-first select{margin-top:0}.meeting{grid-template-rows:58px 1fr 54px}.meeting header{padding:0 10px}.header-logo{height:30px}.header-statuses{gap:6px}.connection{display:none}.ai-status{font-size:10px}.workspace{grid-template-columns:1fr;grid-template-rows:112px minmax(0,1fr);gap:8px;padding:8px}.videos{flex-direction:row;overflow-x:auto;max-height:112px}.video-card{width:150px}.name{padding:5px 8px;font-size:12px}.conversation{border-radius:15px}.conversation-top{padding:12px 14px 6px}.talk-zone{padding:7px 14px 10px}.talk-button{min-height:62px;border-radius:14px}.transcript-feed{padding:0 14px 22px}.transcript-translation{font-size:19px}.transcript-original{font-size:18px}.meeting footer{padding:0 10px}.footer-invite span,.footer-invite input{display:none}.footer-invite{margin-left:auto}.footer-invite button{padding:9px 10px}.invite-row{grid-template-columns:1fr}.invite-row button{width:100%}}
/* V14: language gate, talk tutorial and 5-second microphone lock */
.language-locked-content{transition:filter .22s ease,opacity .22s ease}
.language-pending .language-locked-content{filter:blur(5px);opacity:.42;pointer-events:none;user-select:none}
.language-pending .language-first{position:relative;z-index:3}
.language-pending .language-first label{color:var(--text);font-weight:850}
.help-overlay{position:fixed;inset:0;z-index:1000;background:rgba(23,32,51,.42);backdrop-filter:blur(5px);display:grid;place-items:center;padding:18px}
.help-card{width:min(460px,100%);background:#fff;border-radius:22px;padding:26px;box-shadow:0 24px 70px rgba(23,32,51,.24)}
.help-mic{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;background:#eef0ff;color:var(--primary);margin-bottom:12px}
.help-card h2{margin:0 0 18px;font-size:25px}.help-step{display:grid;gap:3px;padding:11px 0;border-bottom:1px solid var(--line)}.help-step strong{font-size:14px}.help-step span,.help-note{font-size:13px;line-height:1.45;color:var(--muted)}
.help-note{margin:15px 0}.help-card button{width:100%;border:0;border-radius:12px;padding:14px;background:var(--primary);color:#fff;font-weight:800;cursor:pointer}
.talk-button{overflow:hidden;position:relative}.talk-button.holding::after{content:"";position:absolute;left:0;bottom:0;height:5px;width:100%;background:rgba(255,255,255,.8);transform-origin:left;animation:holdProgress 5s linear forwards}.talk-button.locked{background:var(--danger)!important;color:#fff!important;box-shadow:0 7px 18px rgba(229,72,77,.30)!important}.talk-button.locked .mic-icon{animation:lockedPulse 1.5s ease-in-out infinite}.talk-button.lock-confirm{animation:lockShake .38s ease-in-out}
@keyframes holdProgress{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes lockShake{0%,100%{transform:translateX(0)}20%{transform:translateX(-7px)}40%{transform:translateX(7px)}60%{transform:translateX(-5px)}80%{transform:translateX(5px)}}
@keyframes lockedPulse{0%,100%{opacity:1}50%{opacity:.45}}
@media(max-width:700px){.help-card{padding:22px}.help-card h2{font-size:22px}.language-pending .language-locked-content{filter:blur(4px)}}

/* V15: meeting closeout and report delivery */
.meeting{position:relative}
.meeting-notice{position:absolute;left:50%;bottom:72px;transform:translateX(-50%);z-index:30;max-width:min(620px,calc(100% - 28px));padding:11px 16px;border-radius:12px;background:#172033;color:#fff;font-size:13px;font-weight:700;box-shadow:0 12px 32px rgba(23,32,51,.22);text-align:center}
.meeting footer .end-meeting{background:#172033;color:#fff;font-weight:750}
.meeting footer .end-meeting:disabled{opacity:.65;cursor:wait}
@media(max-width:700px){.meeting-notice{bottom:64px;font-size:12px}.meeting footer .end-meeting{padding:9px 11px}}


/* V15.6: selective video and reconnect status */
.connection.warning{color:var(--warning)}
.videos{align-content:flex-start}
.video-card{transition:border-color .16s,box-shadow .16s,outline-color .16s}
.video-card.mic-owner .name{color:var(--danger);font-weight:800}
@media(min-width:701px){.videos{overflow:hidden}.video-card{width:100%}}


/* V15.11: presence is independent from the selective three-video view. */
.online-presence{display:flex;align-items:center;gap:10px;padding:9px 18px;border-bottom:1px solid var(--line);background:#fbfcfe;min-width:0}
.online-count{flex:0 0 auto;font-size:11px;font-weight:850;color:var(--ok);white-space:nowrap}
.online-list{display:flex;align-items:center;gap:7px;overflow-x:auto;min-width:0;scrollbar-width:thin}
.online-person{display:flex;align-items:center;gap:5px;flex:0 0 auto;padding:4px 7px;border:1px solid var(--line);border-radius:999px;background:#fff;max-width:190px}
.online-avatar{font-size:9px;color:var(--ok)}
.online-name{font-size:11px;font-weight:750;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:110px}
.online-state{font-size:8px;font-weight:850;color:var(--ok);letter-spacing:.04em}
@media(max-width:700px){.online-presence{padding:6px 10px;gap:7px}.online-person{padding:3px 6px}.online-state{display:none}.online-name{max-width:82px}.online-count{font-size:10px}}


/* V15.12: discreet elapsed-time counter, visible only to the room creator. */
.creator-timer{display:inline-flex;align-items:center;margin-left:8px;padding:3px 7px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:10px;font-weight:750;font-variant-numeric:tabular-nums;letter-spacing:.02em}
@media(max-width:700px){.creator-timer{margin-left:5px;padding:2px 6px;font-size:9px}}