:root{
  --bg:#F3F4F1;--card:#FFFFFF;--line:#DADCD6;--line2:#ECEEE9;--ink:#16181D;--mute:#4B5058;--mute2:#A7ABB3;
  --accent:#1F6F5B;--accent2:#2EA68A;--accent-bg:#DDF2EA;--accent-ink:#155444;--rec:#D63D3D;--warn-bg:#FFF1DB;--warn-ink:#8A4B00;--warn-line:#C98A2E;
  --dark:#16181D;--dark2:#22252B;--dark3:#2A2D34;--dark-line:#3A3E47;--mint:#9FE1CB;
  --r:16px;--r2:12px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer}
a{color:var(--accent)}
h1,h2,h3{margin:0;line-height:1.25}
.hidden{display:none!important}
.app{min-height:100vh;display:flex;flex-direction:column}
/* ---- layout máy tính: sidebar + nội dung ---- */
.shell{display:flex;min-height:100vh}
.side{display:none}
.main{flex:1;min-width:0;display:flex;flex-direction:column}
@media(min-width:900px){
  .side{display:flex;flex-direction:column;gap:14px;width:272px;flex-shrink:0;background:var(--card);border-right:1px solid var(--line);padding:22px 14px;position:sticky;top:0;height:100vh;overflow:auto}
  .main{padding:0}
  .mobile-only{display:none!important}
}
@media(max-width:899px){.desktop-only{display:none!important}}
.brand{display:flex;align-items:center;gap:10px;padding:0 8px;font-weight:700}
.brand .logo{width:34px;height:34px;border-radius:10px;background:var(--accent);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.side .nav a{display:block;padding:9px 12px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:500}
.side .nav a.active{background:var(--bg);font-weight:600}
.side .me{margin-top:auto;padding:10px 12px;border-top:1px solid var(--line);font-size:13px;color:var(--mute)}
.side .me b{display:block;color:var(--ink)}
.side .me button{background:none;border:0;padding:0;color:var(--accent);font-size:13px;font-weight:600}
/* ---- khung trang ---- */
.page{padding:16px 20px 110px;max-width:1180px;width:100%;margin:0 auto}
@media(min-width:900px){.page{padding:28px 40px 60px}}
.topbar{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.topbar h1{font-size:22px;font-weight:700}
@media(min-width:900px){.topbar h1{font-size:26px}}
.topbar .sub{font-size:13px;color:var(--mute);margin-top:2px}
.iconbtn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--card);display:flex;align-items:center;justify-content:center;flex-shrink:0;text-decoration:none;color:var(--ink)}
.spacer{flex:1}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
@media(min-width:900px){.card{padding:22px 26px}}
.stack{display:flex;flex-direction:column;gap:12px}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:900px){.grid2{grid-template-columns:minmax(0,1fr) 320px;align-items:start}}
label,.lbl{font-size:13px;font-weight:600;color:var(--mute)}
input[type=text],input[type=search],input[type=password],input[type=email],textarea,select{width:100%;border:1px solid var(--line);border-radius:var(--r2);background:var(--card);padding:0 14px;height:48px}
textarea{padding:12px 14px;height:auto;min-height:84px;resize:vertical;line-height:1.5}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;height:48px;padding:0 18px;border-radius:14px;border:1px solid var(--line);background:var(--card);font-weight:600;text-decoration:none;color:var(--ink);white-space:nowrap}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.dark{background:var(--ink);border-color:var(--ink);color:#fff}
.btn.rec{background:var(--rec);border-color:var(--rec);color:#fff;font-weight:700}
.btn.rec .dot{width:12px;height:12px;border-radius:999px;background:#fff}
.btn.danger{color:#B42318;border-color:#F0C9C9}
.btn.sm{height:40px;padding:0 14px;font-size:13px;border-radius:10px}
.btn:disabled{opacity:.5;cursor:default}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 13px;border-radius:999px;background:var(--card);border:1px solid var(--line);font-size:13px;font-weight:500;cursor:pointer;user-select:none}
.chip.on{background:var(--ink);color:#fff;border-color:var(--ink);font-weight:600}
.chip.att{background:var(--accent-bg);color:var(--accent-ink);border-color:transparent}
.chip.att .x{opacity:.6}
.tag{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;white-space:nowrap}
.tag.ok{color:var(--accent-ink);background:var(--accent-bg)}
.tag.warn{color:var(--warn-ink);background:var(--warn-bg)}
.tag.err{color:#B42318;background:#FDE8E8}
.tag.rec{color:#fff;background:var(--rec)}
.muted{color:var(--mute);font-size:13px}
.bar{height:6px;border-radius:999px;background:var(--line2);overflow:hidden}
.bar>i{display:block;height:100%;background:var(--accent)}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:var(--ink);color:#fff;padding:12px 18px;border-radius:12px;font-size:14px;z-index:50;max-width:92vw;box-shadow:0 8px 30px rgba(0,0,0,.25)}
/* ---- danh sách ---- */
.list{display:flex;flex-direction:column;gap:10px}
.mt{display:block;text-decoration:none;color:inherit;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px 16px}
.mt .t{display:flex;justify-content:space-between;gap:8px;align-items:center;font-weight:600}
.mt .m{font-size:13px;color:var(--mute);margin-top:4px}
.mt .s{font-size:13px;margin-top:6px}
.fab{position:fixed;left:20px;right:20px;bottom:24px;display:flex;gap:10px;z-index:20}
.fab .btn{height:56px;border-radius:16px;font-size:16px}
.fab .btn.rec{flex:1}
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th{text-align:left;font-size:12px;color:var(--mute);font-weight:600;padding:10px 12px;border-bottom:1px solid var(--line);background:#FAFAF8}
table.tbl td{padding:12px;border-bottom:1px solid var(--line2);vertical-align:top}
table.tbl tr:last-child td{border-bottom:0}
.tblwrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--r)}
/* ---- đang ghi ---- */
.recpage{background:var(--dark);color:#fff;min-height:100vh;display:flex;flex-direction:column}
.recpage .page{display:flex;flex-direction:column;flex:1;padding-bottom:24px}
.recpage .muted{color:var(--mute2)}
.recpage input,.recpage textarea{background:var(--dark2);border-color:var(--dark-line);color:#fff}
.recpage .btn{background:var(--dark2);border-color:var(--dark-line);color:#fff}
.recpage .btn.rec{background:var(--rec);border-color:var(--rec)}
.clock{font-size:64px;font-weight:700;letter-spacing:-2px;font-variant-numeric:tabular-nums;line-height:1;text-align:center}
@media(min-width:900px){.clock{font-size:112px;letter-spacing:-4px}}
.meter{display:flex;align-items:flex-end;justify-content:center;gap:4px;height:40px}
.meter i{width:5px;border-radius:3px;background:var(--accent);height:6px;transition:height .08s}
.meter i.hi{background:var(--accent2)}
.badge-rec{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:var(--dark3);font-size:12px;font-weight:600}
.badge-rec .dot{width:8px;height:8px;border-radius:999px;background:#FF5A5A}
.badge-rec.paused .dot{background:#FFC861}
.notice{background:var(--dark3);border-radius:14px;padding:12px 14px;font-size:13px;color:#D9DBDF;display:flex;gap:10px;align-items:flex-start}
.notes{display:flex;flex-direction:column;gap:6px;font-size:14px}
.notes div{display:flex;gap:10px}
.notes .ts{color:var(--mint);font-variant-numeric:tabular-nums;flex-shrink:0}
.notes .del{margin-left:auto;background:none;border:0;color:var(--mute2);padding:0 4px}
.reclayout{display:flex;flex-direction:column;gap:20px;flex:1}
@media(min-width:900px){
  .reclayout{flex-direction:row}
  .reclayout .left{flex:1;display:flex;flex-direction:column;gap:28px;justify-content:center}
  .reclayout .right{width:380px;background:#1D2026;border-left:1px solid var(--dark3);margin:-28px -40px -24px 0;padding:32px 28px;display:flex;flex-direction:column;gap:14px}
}
/* ---- xử lý ---- */
.steps{display:flex;flex-direction:column;gap:18px}
.step{display:flex;gap:14px;align-items:flex-start}
.step .ic{width:28px;height:28px;border-radius:999px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border:2px solid var(--mute2)}
.step.done .ic{background:var(--accent);border-color:var(--accent)}
.step.doing .ic{border:3px solid var(--accent);border-right-color:#C8EBDF;animation:spin 1s linear infinite}
.step.todo{opacity:.55}
@keyframes spin{to{transform:rotate(360deg)}}
.step .b{flex:1;display:flex;flex-direction:column;gap:4px}
.step .b b{font-size:15px}
.infobox{background:var(--accent-bg);color:var(--accent-ink);border-radius:14px;padding:14px 16px;font-size:14px}
/* ---- biên bản ---- */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:14px;overflow-x:auto}
.tabs button{background:none;border:0;padding:10px 4px;margin-right:16px;font-weight:500;color:var(--mute);border-bottom:2px solid transparent;white-space:nowrap}
.tabs button.on{color:var(--ink);font-weight:600;border-bottom-color:var(--ink)}
@media(max-width:899px){.tabs{gap:6px}.tabs button{flex:1;margin:0;border:1px solid var(--line);border-radius:10px;padding:10px 0;font-size:13px;background:var(--card)}.tabs button.on{background:var(--ink);color:#fff;border-color:var(--ink)}.tabs{border:0}}
.md{font-size:15px;line-height:1.6}
.md h1{font-size:20px;margin:0 0 10px}
.md h2{font-size:16px;margin:22px 0 8px}
.md h3{font-size:15px;margin:16px 0 6px}
.md p{margin:0 0 10px}
.md table{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0 12px}
.md th{text-align:left;font-size:12px;color:var(--mute);padding:6px 8px 8px 0;border-bottom:1px solid var(--line)}
.md td{padding:8px 8px 8px 0;border-bottom:1px solid var(--line2);vertical-align:top}
.md ul{padding-left:20px;margin:0 0 10px}
.md .tblwrap{border:0;background:none}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}
.actions .btn{height:44px}
@media(max-width:899px){.actions .btn{flex:1;padding:0 8px;font-size:14px}}
/* ---- transcript ---- */
.tl{display:flex;flex-direction:column;gap:4px;padding:8px 0;border-bottom:1px solid var(--line2)}
.tl .h{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--mute);font-variant-numeric:tabular-nums}
.tl .sp{padding:3px 10px;border-radius:999px;border:0;background:var(--accent-bg);color:var(--accent-ink);font-size:12px;font-weight:600}
.tl .sp.unk{background:var(--warn-bg);color:var(--warn-ink);border:1px dashed var(--warn-line)}
.tl p{margin:0}
.tl p[contenteditable=true]{outline:2px solid var(--accent);border-radius:6px;padding:4px 6px;background:#fff}
.tl.edited p{border-left:3px solid var(--accent2);padding-left:8px}
.sheet{position:fixed;left:0;right:0;bottom:0;background:var(--card);border-top:1px solid var(--line);border-radius:20px 20px 0 0;padding:18px 20px 28px;z-index:40;box-shadow:0 -10px 40px rgba(0,0,0,.15);max-height:80vh;overflow:auto}
@media(min-width:900px){.sheet{left:auto;right:40px;bottom:40px;width:420px;border-radius:20px;border:1px solid var(--line)}}
.sheet h3{font-size:15px;margin-bottom:4px}
.spk-row{display:flex;justify-content:space-between;font-size:13px;padding:4px 0}
/* ---- đăng nhập ---- */
.login{min-height:100vh;display:flex;flex-direction:column}
.login .hero{flex:1;background:var(--dark);color:#fff;padding:60px 28px 32px;display:flex;flex-direction:column;justify-content:space-between;gap:28px}
.login .hero h1{font-size:30px;line-height:1.2}
.login .hero p{color:#C9CCD2;font-size:16px;margin:0}
.login .box{padding:28px;display:flex;justify-content:center}
.login .box .card{width:100%;max-width:400px}
@media(min-width:900px){.login{flex-direction:row}.login .hero{padding:64px 72px}.login .hero h1{font-size:44px}.login .box{flex:1;align-items:center;padding:48px}}
.gbtn{display:flex;align-items:center;justify-content:center;gap:12px;height:52px;border-radius:12px;background:var(--ink);color:#fff;border:0;width:100%;font-weight:600;font-size:15px}
#gsi{display:flex;justify-content:center;min-height:44px}
.err{color:#B42318;font-size:13px}
.dropzone{border:1px dashed #C4C7C0;border-radius:10px;padding:16px;text-align:center;font-size:13px;color:var(--mute);background:#FAFAF8}
.dropzone.over{border-color:var(--accent);background:var(--accent-bg)}
.kv{display:flex;justify-content:space-between;font-size:13px;padding:3px 0}
.kv span:last-child{color:var(--mute)}