:root{
  --bg:#0E1013; --panel:#171A1F; --panel2:#1F2329; --line:#2A2F37;
  --tx:#F2F4F7; --tx2:#9AA3AF; --tx3:#6B7480;
  --gold:#D9A15B; --blue:#4DA3FF; --green:#35C77A; --red:#F04A52;
  --r:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:var(--bg); color:var(--tx);
  font-family:"Noto Sans TC","Microsoft JhengHei","PingFang TC",-apple-system,"Segoe UI",sans-serif;
  font-size:14px; -webkit-font-smoothing:antialiased;
}
a{color:var(--gold);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font-family:inherit;font-size:14px;color:inherit}

/* ---------- layout bits ---------- */
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
.row{display:flex;align-items:center}
.col{display:flex;flex-direction:column}
.between{justify-content:space-between}
.grow{flex:1}
.center{justify-content:center;align-items:center}
.hidden{display:none !important}

/* ---------- topbar ---------- */
.topbar{height:56px;background:var(--panel);display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px}
.mark{width:26px;height:26px;border-radius:7px;background:var(--gold);display:flex;align-items:center;justify-content:center}
.mark i{display:block;width:14px;height:12px;background:#171A1F;border-radius:2px}
.brand b{font-size:15px;letter-spacing:.3px}
.muted{color:var(--tx2)}
.small{font-size:12px}
.tiny{font-size:10px}

/* ---------- controls ---------- */
.btn{height:32px;padding:0 12px;border-radius:8px;background:var(--panel2);color:var(--tx);font-size:12px;font-weight:500;display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;white-space:nowrap}
.btn:hover{background:#262b33}
.btn.primary{background:var(--gold);color:#171A1F;font-weight:600}
.btn.primary:hover{background:#E3B072}
.btn.ghost{background:transparent;border-color:var(--line);color:var(--tx2)}
.btn.ghost:hover{background:var(--panel2);color:var(--tx)}
.btn.danger{background:#3A1A1E;color:var(--red);border-color:#5E2429}
.btn.lg{height:48px;font-size:14px;border-radius:12px;padding:0 20px}
.btn.sm{height:28px;font-size:11px;padding:0 10px}

.chip{display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 10px;border-radius:8px;background:var(--panel2);font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green)}
.dot.red{background:var(--red)}
.recording{background:#2A1518;color:#FF8F94}

.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r)}
.card.pad{padding:20px}

/* ---------- 首頁 / 發起表單 ---------- */
.hero{max-width:640px;margin:64px auto 0}
.hero h1{font-size:30px;letter-spacing:.5px;margin-bottom:10px}
.hero p{color:var(--tx2);line-height:1.7;margin-bottom:28px}
.field{margin-bottom:20px}
.label{font-size:12px;font-weight:600;color:#C7CED8;margin-bottom:8px;display:block}
.input{width:100%;height:44px;padding:0 14px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);outline:none}
.input:focus{border-color:var(--blue)}
.picks{display:flex;flex-wrap:wrap;gap:8px}
.pick{height:32px;padding:0 12px;border-radius:16px;background:var(--panel2);color:var(--tx3);font-size:12px;border:1px solid transparent;display:inline-flex;align-items:center;gap:6px}
.pick.on{background:#233043;color:#C7E2FF;border-color:rgba(77,163,255,.6)}
.tile{width:100%;text-align:left;padding:14px;border-radius:12px;background:var(--panel2);border:1px solid var(--line);display:flex;align-items:center;gap:12px;margin-bottom:10px}
.tile small{color:var(--tx3);font-size:11px}
.opt{padding:14px;border-radius:12px;background:var(--panel2);border:1px solid var(--line)}
.opt.off{opacity:.45}
.radio{width:18px;height:18px;border-radius:50%;border:2px solid #4A515C;flex:none}
.radio.on{border-color:var(--gold);box-shadow:inset 0 0 0 4px var(--gold)}
.toggle{width:40px;height:22px;border-radius:11px;background:var(--green);position:relative;flex:none}
.toggle span{position:absolute;top:2px;left:20px;width:18px;height:18px;border-radius:50%;background:#fff}
.toggle.off{background:#3A3F47}
.toggle.off span{left:2px}

/* ---------- 主控台 ---------- */
.console{height:calc(100vh - 56px);display:flex;gap:10px;padding:10px}
.side{width:288px;background:var(--panel);border:1px solid var(--line);border-radius:var(--r);display:flex;flex-direction:column;overflow:hidden;transition:width .18s ease,opacity .18s ease}
.side.r{width:340px}

/* 側欄收起（把畫面讓給共享螢幕） */
.side.collapsed{width:0;opacity:0;border-width:0;overflow:hidden}
.side-tab{position:fixed;top:50%;transform:translateY(-50%);width:18px;height:56px;background:var(--panel2);border:1px solid var(--line);display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:5;font-size:10px;color:var(--tx3);user-select:none}
.side-tab.l{left:0;border-radius:0 8px 8px 0;border-left:0}
.side-tab.r{right:0;border-radius:8px 0 0 8px;border-right:0}
.side-tab:hover{background:#2b313a;color:var(--tx)}
.console{position:relative}
.side-h{padding:16px;font-size:13px;font-weight:700;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.scroll{overflow:auto;flex:1;padding:12px}
.dw-item{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;cursor:pointer}
.dw-item:hover{background:var(--panel2)}
.dw-item.on{background:#233043}
.dw-item .nm{font-size:12px;font-weight:500}
.dw-item .st{font-size:10px;color:var(--tx3)}
.dw-item.on .nm{font-weight:600}
.dw-item.on .st{color:var(--blue)}

.stage{flex:1;display:flex;flex-direction:column;gap:10px;min-width:0}
.stage-h{height:44px;background:var(--panel2);border-radius:10px;display:flex;align-items:center;justify-content:space-between;padding:0 12px}
/* 共享畫面：做成直播舞台（黑底） */
.screen{flex:1;background:#07090C;border-radius:10px;overflow:hidden;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.05)}
.screen video{width:100%;height:100%;object-fit:contain;background:#07090C;display:block}

/* 沉浸模式：側欄、頂列、控制列收掉，畫面吃到整版 */
body.cinema .topbar,body.cinema .ctrlbar,body.cinema .side,body.cinema .side-tab{display:none}
body.cinema .console{height:100vh;padding:0;gap:0}
body.cinema .stage-h{display:none}
body.cinema .screen{border-radius:0}
body.cinema .cine-bar{display:flex}
.cine-bar{display:none;position:fixed;top:14px;right:14px;z-index:60;gap:8px;align-items:center}
.cine-bar .pillbar{display:flex;gap:8px;align-items:center;background:rgba(14,16,19,.82);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:6px 8px;backdrop-filter:blur(6px)}
.cine-bar button{width:auto;padding:6px 10px;border-radius:8px;background:rgba(255,255,255,.08);color:#D6DBE2;font-size:12px;display:flex;gap:6px;align-items:center;border:1px solid transparent}
.cine-bar button:hover{background:rgba(255,255,255,.16)}
.cine-bar button.on{background:#12301F;color:var(--green);border-color:rgba(53,199,122,.5)}

/* 直播感：左上角 LIVE 徽章 + 音量條 */
.livebadge{position:absolute;top:12px;left:12px;z-index:6;display:none;gap:8px;align-items:center;background:rgba(0,0,0,.55);border-radius:8px;padding:5px 10px;backdrop-filter:blur(4px)}
.livebadge.on{display:flex}
.livebadge .ldot{width:8px;height:8px;border-radius:50%;background:#F04A52;box-shadow:0 0 0 0 rgba(240,74,82,.7);animation:pulse 1.8s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(240,74,82,0)}100%{box-shadow:0 0 0 0 rgba(240,74,82,0)}}
.livebadge span{font-size:11px;color:#E7EAEE;letter-spacing:.04em;font-weight:600}

/* 麥克風音量條（讓設計師看得到麥克風真的在收） */
.meter{width:52px;height:6px;border-radius:3px;background:#2A2F36;overflow:hidden;flex:none}
.meter i{display:block;height:100%;width:0%;background:linear-gradient(90deg,#35C77A,#7BE0A8);transition:width .08s linear}
.cbtn .meter{margin-top:2px}
.audiochips{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.screen .hint{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;color:#5B6B7C;font-size:13px;text-align:center;padding:24px}
#overlay{position:absolute;inset:0;pointer-events:none}
.pin{position:absolute;transform:translate(-50%,-50%);width:30px;height:30px;border-radius:50%;background:var(--blue);border:2px solid #fff;color:#fff;font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.tagname{position:absolute;padding:2px 8px;border-radius:11px;background:var(--blue);color:#fff;font-size:11px;font-weight:600;white-space:nowrap}
.gcursor{position:absolute;width:22px;height:22px;transform:translate(-2px,-2px)}

.mkcard{padding:12px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);margin-bottom:10px}
.mkcard.on{border-color:rgba(77,163,255,.5)}
.mkcard .q{font-size:12px;line-height:1.6;color:#C7CED8;margin:6px 0}
.mkcard .src{font-size:10px;color:var(--tx3)}
.ai-box{margin:12px;padding:12px;border-radius:10px;background:#12283F;font-size:11px;line-height:1.7;color:#9FC6EE}
.ai-box b{color:var(--blue);font-size:12px}

/* ---------- 控制列 ---------- */
.ctrlbar{height:72px;background:var(--panel);border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 14px}
.cbtn{width:72px;padding:8px 4px;border-radius:10px;background:var(--panel2);display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;color:var(--tx2)}
.cbtn:hover{background:#262b33}
.cbtn.on{background:#12301F;color:var(--green);border:1px solid rgba(53,199,122,.5)}
.cbtn.blue{background:#12283F;color:var(--blue);border:1px solid rgba(77,163,255,.5)}
.cbtn svg{width:20px;height:20px}

/* ---------- 客戶端 ---------- */
.join{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}
.join .panel{width:100%;max-width:420px;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:28px}
.banner{height:40px;background:#12283F;color:#9FC6EE;display:flex;align-items:center;justify-content:center;gap:8px;font-size:12px}
.viewer{height:100vh;display:flex;flex-direction:column;background:var(--bg)}
.vscreen{flex:1;position:relative;background:#000}
.vscreen video{width:100%;height:100%;object-fit:contain;display:block}
.vscreen.pick{cursor:crosshair}
.thumbs{display:flex;gap:8px;padding:12px;background:var(--panel);overflow:auto}
.thumb{width:52px;height:36px;border-radius:6px;background:var(--panel2);border:1px solid var(--line);flex:none;display:flex;align-items:center;justify-content:center;font-size:10px;color:var(--tx3)}
.thumb.on{border-color:var(--blue);color:var(--blue)}
.vact{padding:12px;background:var(--panel);display:flex;flex-direction:column;gap:8px}

/* ---------- 客戶端：浮動控制列 ＋ 沉浸模式 ---------- */
.vgrab{position:absolute;right:10px;bottom:10px;z-index:8;display:flex;gap:6px;align-items:center;
  background:rgba(14,16,19,.7);border-radius:12px;padding:6px;backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.1)}
.vgrab button{width:auto;display:flex;gap:5px;align-items:center;padding:6px 9px;border-radius:8px;
  background:rgba(255,255,255,.08);color:#D6DBE2;font-size:12px;border:1px solid transparent}
.vgrab button span{font-size:11px}
.vgrab button:hover{background:rgba(255,255,255,.16)}
.vgrab button.on{background:#12301F;color:var(--green)}
#btnExitCine{display:none}

/* 浮動留言框（點畫面要留標記時出現） */
.floatnote{position:absolute;left:12px;right:12px;bottom:12px;z-index:9;
  background:rgba(14,16,19,.92);border:1px solid rgba(255,255,255,.14);border-radius:12px;padding:10px;
  backdrop-filter:blur(6px);box-shadow:0 8px 28px rgba(0,0,0,.45)}
.floatnote .input{background:#1B2028;border-color:#333A44;color:#E7EAEE}
body.cinema .floatnote{left:12px;right:12px;bottom:64px}

/* 沉浸：把橫幅、標題列、縮圖列、操作列全部收掉，畫面吃到整個螢幕 */
body.cinema .banner,body.cinema .vtop,body.cinema .thumbs,body.cinema .vact{display:none}
body.cinema .vscreen{flex:1}
body.cinema .vgrab{right:12px;bottom:12px}
body.cinema .vgrab #btnExitCine{display:flex}
body.cinema .vgrab #btnCine{display:none}

@media (max-width:560px){
  .vgrab button span{display:none}
  .vgrab button{padding:8px}
}

/* ---------- 會議記錄（淺色） ---------- */
.paper{background:#F6F7F9;color:#14161A;min-height:100vh}
.paper .topbar{background:#fff;border-bottom:1px solid #E6E8EC}
.paper .brand b{color:#14161A}
.paper .muted{color:#8A929E}
.paper .btn{background:#F0F2F5;color:#3B444F;border-color:transparent}
.paper .btn:hover{background:#E6E8EC}
.paper .btn.primary{background:#171A1F;color:#fff}
.paper .btn.primary:hover{background:#2C3138}
.pbody{display:flex;gap:16px;padding:24px;max-width:1600px;margin:0 auto}
.pcard{background:#fff;border:1px solid #E6E8EC;border-radius:12px;padding:20px;margin-bottom:16px}
.pcard h3{font-size:14px;margin-bottom:12px}
.bullet{display:flex;gap:10px;font-size:12px;line-height:1.8;color:#3B444F;margin-bottom:2px}
.bullet i{width:6px;height:6px;border-radius:50%;background:var(--gold);margin-top:9px;flex:none}
.demand{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid #E6E8EC;border-radius:10px;background:#FAFBFC;margin-bottom:8px}
.demand .t{font-size:12px;font-weight:500;color:#14161A}
.demand .s{font-size:10px;color:#8A929E}
.st-ok{background:#12301F;color:var(--green)}
.st-new{background:#F4EDE2;color:#8A6A3B}
.st-blue{background:#12283F;color:var(--blue)}
.pill{height:22px;padding:0 8px;border-radius:11px;font-size:10px;font-weight:600;display:inline-flex;align-items:center;white-space:nowrap}
.line{display:flex;justify-content:space-between;font-size:12px;padding:6px 0}
.line span{color:#8A929E}
.line b{font-weight:500}
.talk{display:flex;gap:10px;font-size:12px;line-height:1.7;padding:4px 0;color:#3B444F}
.talk .who{height:22px;padding:0 10px;border-radius:11px;font-size:10px;display:inline-flex;align-items:center;flex:none}
.snap{display:flex;align-items:center;gap:10px;padding:10px;border:1px solid #E6E8EC;border-radius:10px;background:#FAFBFC;margin-bottom:8px}
.snap img{width:72px;height:48px;object-fit:cover;border-radius:6px;background:#fff;border:1px solid #E6E8EC}
.next-box{background:#FDF9F3;border-color:#D9B87E;color:#8A6A3B}
.next-box h3,.next-box .t{color:#5C4628}
.avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;background:#171A1F}

.empty{padding:40px;text-align:center;color:#8A929E;font-size:13px}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#171A1F;border:1px solid var(--line);padding:10px 18px;border-radius:10px;font-size:12px;z-index:99;box-shadow:0 8px 30px rgba(0,0,0,.45)}
.paper .toast{background:#171A1F;color:#fff}
@media (max-width:1100px){ .pbody{flex-direction:column} .side.r{width:320px} }