:root{
  --bg:#c4e0bd; --card:#fbfdf7; --ink:#1d2b20; --muted:#4f6a49; --line:#b7d6ae;
  --brand:#2e7d32; --brand2:#1f5f25; --accent:#e39e28; --danger:#e5484d;
  --shadow:0 6px 24px rgba(15,40,30,.08);
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0c150e; --card:#18291c; --ink:#e6f1e2; --muted:#98ae92; --line:#26402b;
    --shadow:0 6px 24px rgba(0,0,0,.35);
  }
}
:root[data-theme="dark"]{
  --bg:#0c150e; --card:#18291c; --ink:#e6f1e2; --muted:#98ae92; --line:#26402b;
  --shadow:0 6px 24px rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Be Vietnam Pro",system-ui,sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.45}
a{color:var(--brand2)}
.hidden{display:none!important}

.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;background:linear-gradient(135deg,#1f5f25,#2e7d32 55%,#43a047);color:#e8f8e4;border-bottom:3px solid #e39e28;box-shadow:0 4px 16px rgba(20,60,25,.25)}
.brand{display:flex;gap:12px;align-items:center}
.brand-logo{width:42px;height:42px;border-radius:12px;background:#fff3d6;border:3px solid #ffc94d;color:#b26a00;box-shadow:0 2px 8px rgba(0,0,0,.2);display:grid;place-items:center;font-size:20px;font-weight:900}
.brand-name{font-family:"Playfair Display",serif;font-weight:800;letter-spacing:1px;font-size:26px;color:#fff;text-shadow:0 2px 6px rgba(0,0,0,.35)}
.brand-sub{font-size:13.5px;color:#e8f8e4;font-weight:500}
.top .btn.ghost{color:#1f5f25;border-color:#fff;background:#fff}

.steps{display:flex;gap:6px;padding:12px 20px 0;overflow-x:auto}
.step{border:0;background:transparent;color:var(--muted);font:inherit;font-weight:600;padding:10px 14px;border-radius:12px 12px 0 0;cursor:pointer;white-space:nowrap}
.step b{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--line);color:var(--ink);margin-right:6px;font-size:13px}
.step.active{background:var(--card);color:var(--ink)}
.step.active b{background:var(--accent);color:#fff}
.step.done b{background:var(--brand2);color:#fff}

main{padding:0 20px 40px}
.panel{background:var(--card);border-radius:0 16px 16px 16px;padding:18px;box-shadow:var(--shadow)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;margin-bottom:14px;min-width:0}
.panel>.card:last-child{margin-bottom:0}
h2{font-size:17px;margin:0 0 12px}
.grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:14px}
.grid-editor{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:14px}
@media (max-width:980px){.grid2,.grid-editor{grid-template-columns:1fr}}

.row{display:flex;flex-wrap:wrap;gap:10px 14px;align-items:flex-end;margin-bottom:10px}
.row.space{justify-content:space-between;align-items:center}
.row.btns{align-items:center}
label{display:flex;flex-direction:column;gap:4px;font-size:13px;font-weight:600;color:var(--muted);flex:1 1 180px;min-width:0}
label.check{flex-direction:row;align-items:center;gap:8px;color:var(--ink);font-weight:500;flex:0 1 auto}
input[type=text],select,textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:9px 10px;width:100%}
textarea{resize:vertical}
input[type=file]{font-size:13px;color:var(--ink);max-width:100%}
input[type=range]{accent-color:var(--brand);width:100%}
input[type=checkbox]{accent-color:var(--brand);width:18px;height:18px}
.hint{font-size:13px;color:var(--muted);margin:6px 0}

.btn{font:inherit;font-weight:700;border:1px solid var(--line);background:var(--card);color:var(--ink);padding:10px 16px;border-radius:12px;cursor:pointer;transition:.15s}
.btn:hover:not(:disabled){border-color:var(--brand);transform:translateY(-1px)}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover:not(:disabled){background:var(--brand2)}
.btn.danger{color:var(--danger);border-color:var(--danger)}
.btn.ghost{background:transparent}
.btn.small{padding:6px 12px;font-size:13px}
.btn.big{padding:14px 22px;font-size:16px}

.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:12px}
.mode{font:inherit;font-weight:600;border:2px solid var(--line);background:var(--bg);color:var(--ink);border-radius:12px;padding:10px 6px;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:13px}
.mode span{font-size:22px}
.mode.active{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 10%,var(--card))}

.preview-wrap{position:relative;aspect-ratio:16/9;background:#0b1210;border-radius:12px;overflow:hidden}
.preview-wrap video{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}
.preview-wrap .cam-bubble{inset:auto 14px 14px auto;width:24%;height:auto;aspect-ratio:1;object-fit:cover;border-radius:50%;border:3px solid #fff;box-shadow:0 4px 16px rgba(0,0,0,.4)}
.preview-wrap.cam-only .cam-bubble{inset:0;width:100%;height:100%;border-radius:0;border:0;object-fit:contain;aspect-ratio:auto}
.rec-note{display:none;position:absolute;inset:0;z-index:2;align-items:center;justify-content:center;flex-direction:column;text-align:center;background:#0b1210;color:#e8f5e9;font-size:20px;font-weight:700;padding:20px;line-height:1.5}
.rec-note small{font-size:14px;font-weight:500;color:#9fb5ae}
.preview-wrap.rec-screen .rec-note{display:flex}
.preview-wrap .rec-badge,.preview-wrap .countdown{z-index:3}
.live-empty{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#9fb5ae;text-align:center;padding:20px}
.countdown{position:absolute;inset:0;display:none;place-items:center;font-size:110px;font-weight:900;color:#fff;background:rgba(0,0,0,.35)}
.countdown.on{display:grid}
.rec-badge{position:absolute;top:10px;left:10px;background:var(--danger);color:#fff;font-weight:800;padding:4px 10px;border-radius:999px;font-size:13px;display:none}
.rec-badge.on{display:block}
.rec-badge.paused{background:#777}
.meter{height:6px;background:var(--line);border-radius:4px;margin:8px 0 12px;overflow:hidden}
.meter div{height:100%;width:0;background:linear-gradient(90deg,var(--brand),var(--accent));transition:width .08s}

.drop{border:2px dashed var(--line);border-radius:14px;padding:30px 16px;text-align:center;cursor:pointer;align-items:center;color:var(--ink);font-weight:500}
.drop.over{border-color:var(--brand);background:color-mix(in srgb,var(--brand) 8%,var(--card))}
.drop-icon{font-size:30px;color:var(--brand)}
.source-info{margin-top:12px;padding:12px;border-radius:12px;background:color-mix(in srgb,var(--brand) 10%,var(--card));border:1px solid color-mix(in srgb,var(--brand) 35%,var(--line))}
.source-info video{width:100%;max-height:220px;border-radius:8px;background:#000;margin-top:8px}
#lastProject{margin-top:12px}

.progress{display:flex;align-items:center;gap:12px;margin-top:10px}
.progress .bar{flex:1;height:10px;background:var(--line);border-radius:6px;overflow:hidden}
.progress .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--brand2),var(--brand));transition:width .2s}
.progress .ptext{font-size:13px;color:var(--muted);min-width:200px}

.stats{font-weight:700;color:var(--brand2)}
.transcript{max-height:520px;overflow:auto;border:1px solid var(--line);border-radius:12px}
.seg-row{display:grid;grid-template-columns:28px 34px 64px minmax(0,1fr) auto auto;gap:8px;align-items:start;padding:8px 10px;border-bottom:1px solid var(--line)}
.seg-row:last-child{border-bottom:0}
.seg-row .t{font-size:12px;color:var(--muted);padding-top:4px;font-variant-numeric:tabular-nums}
.seg-row .txt{outline:none;padding:3px 6px;border-radius:6px;min-width:0;overflow-wrap:anywhere}
.seg-row .txt:focus{background:var(--bg);box-shadow:0 0 0 2px var(--brand)}
.seg-row .w-cut{text-decoration:line-through;color:var(--danger);opacity:.7}
.seg-row.off .txt{text-decoration:line-through;color:var(--danger);opacity:.6}
.seg-row .tag{font-size:11px;font-weight:700;padding:2px 8px;border-radius:999px;background:#ffe9e9;color:var(--danger);white-space:nowrap}
.seg-row .tag.ok{background:color-mix(in srgb,var(--brand) 15%,var(--card));color:var(--brand2)}
.seg-row button.play{border:0;background:var(--bg);border-radius:8px;cursor:pointer;color:var(--ink);height:28px}

.preview-card{position:sticky;top:10px;align-self:start}
.seg{display:flex;background:var(--bg);border-radius:10px;padding:3px}
.segbtn{font:inherit;font-size:13px;font-weight:700;border:0;background:transparent;color:var(--muted);padding:6px 12px;border-radius:8px;cursor:pointer}
.segbtn.active{background:var(--card);color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.1)}
.canvas-wrap{background:#0b1210;border-radius:12px;display:grid;place-items:center;padding:8px;height:min(62vh,640px)}
.canvas-wrap canvas{max-width:100%;max-height:100%;border-radius:6px}
.player{margin-top:10px;align-items:center;flex-wrap:nowrap}
.player input{flex:1}
#pvTime{font-variant-numeric:tabular-nums;font-size:13px;color:var(--muted);min-width:90px;text-align:right}

.settings details{border-bottom:1px solid var(--line);padding:10px 0}
.settings details:last-child{border-bottom:0}
.settings summary{cursor:pointer;font-weight:800;padding:4px 0;list-style:none}
.settings summary::before{content:"▸ ";color:var(--brand)}
.settings details[open] summary::before{content:"▾ "}
.settings details>*:not(summary){margin-top:10px}
.settings label{flex-basis:150px}

.broll-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px}
.broll-item{position:relative;border-radius:8px;overflow:hidden;background:var(--bg);font-size:11px}
.broll-item img,.broll-item video{width:100%;aspect-ratio:16/10;object-fit:cover;display:block}
.broll-item .cap{padding:3px 6px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.broll-item button{position:absolute;top:3px;right:3px;border:0;border-radius:50%;width:22px;height:22px;background:rgba(0,0,0,.6);color:#fff;cursor:pointer}
.broll-card{width:100%;aspect-ratio:16/10;display:grid;place-items:center;text-align:center;padding:4px;font-weight:900;color:#fff;background:linear-gradient(135deg,var(--brand2),var(--brand))}

.short-list{display:flex;flex-direction:column;gap:8px;max-height:420px;overflow:auto}
.short-item{display:grid;grid-template-columns:24px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px;border:1px solid var(--line);border-radius:12px}
.short-item input[type=text]{font-weight:700}
.short-item .meta{font-size:12px;color:var(--muted);margin-top:4px}
.exports{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-top:12px}
.export-item{border:1px solid var(--line);border-radius:12px;padding:10px;font-size:13px}
.export-item video{width:100%;max-height:260px;background:#000;border-radius:8px}
.export-item .btn{width:100%;margin-top:6px;text-align:center;display:block;text-decoration:none}

dialog{border:0;border-radius:16px;padding:22px;max-width:560px;width:calc(100% - 32px);background:var(--card);color:var(--ink);box-shadow:0 20px 60px rgba(0,0,0,.3)}
dialog::backdrop{background:rgba(0,0,0,.45)}
dialog label{margin-top:10px}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(40px);background:#10201b;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;transition:.25s;z-index:99;max-width:calc(100% - 32px);font-weight:600}
.toast.on{opacity:1;transform:translateX(-50%) translateY(0)}

@media (max-width:600px){
  .top,.steps,main{padding-left:16px;padding-right:16px}
  .panel{padding:12px}
  .modes{grid-template-columns:1fr 1fr 1fr}
  .seg-row{grid-template-columns:24px 30px minmax(0,1fr) auto}
  .seg-row .t,.seg-row .tag{display:none}
}
.preview-wrap.corner-bl .cam-bubble{inset:auto auto 14px 14px}
.preview-wrap.corner-tr .cam-bubble{inset:14px 14px auto auto}
.preview-wrap.corner-tl .cam-bubble{inset:14px auto auto 14px}
.preview-wrap.size-sm .cam-bubble{width:18%}
.preview-wrap.size-lg .cam-bubble{width:30%}

.title-card{border:2px solid var(--brand);background:color-mix(in srgb,var(--brand) 6%,var(--card))}
.title-card label{color:var(--ink);font-size:14px;font-weight:800}
.title-input{font-weight:800;font-size:16px;text-transform:uppercase}

.theme-label{font-size:13px;font-weight:700;color:var(--muted)}
.themes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.theme{font:inherit;border:2px solid var(--line);border-radius:12px;padding:0;background:var(--card);color:var(--ink);cursor:pointer;overflow:hidden;text-align:center}
.theme.on{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 30%,transparent)}
.tprev{display:flex;flex-direction:column;align-items:center;justify-content:center;aspect-ratio:9/12;background-size:cover;background-position:center;position:relative}
.tprev i{font-style:normal;font-weight:900;font-size:13px;letter-spacing:.5px}
.tprev b{font-size:26px;line-height:1;color:var(--brand)}
.tprev small{font-size:11px;font-weight:700;color:var(--muted)}
.tname{display:block;font-size:11.5px;font-weight:700;padding:5px 4px}
.t-cover .tprev{background-color:var(--bg);border-bottom:1px dashed var(--line)}
.t-cover .tprev.has{color:#fff}
.t-cover .tprev.has::after{content:"TIÊU ĐỀ";position:absolute;bottom:14%;font-weight:900;font-size:13px;color:#fff;text-shadow:0 2px 6px #000}
.t-luxury .tprev{background:radial-gradient(circle at 50% 40%,#2b2418,#050505 75%);outline:1px solid #ecc970;outline-offset:-8px}
.t-luxury i{background:linear-gradient(#fff6d5,#b8862b);-webkit-background-clip:text;background-clip:text;color:transparent}
.t-tech .tprev{background:linear-gradient(135deg,#06122b,#0a3d6b);background-image:linear-gradient(rgba(79,245,214,.15) 1px,transparent 1px),linear-gradient(90deg,rgba(79,245,214,.15) 1px,transparent 1px),linear-gradient(135deg,#06122b,#0a3d6b);background-size:14px 14px,14px 14px,auto}
.t-tech i{color:#4ff5d6}
.t-pastel .tprev{background:linear-gradient(135deg,#ffd9ea,#e3d9ff)}
.t-pastel i{color:#c03ea8}
.t-minimal .tprev{background:#f7f6f2;outline:2px solid #111;outline-offset:-8px}
.t-minimal i{color:#111}
.t-brand .tprev{background:linear-gradient(135deg,#0a5d47,#2e7d32)}
.t-brand i{color:#ffe14d}

.seg-row button.edit{border:1px solid var(--line);background:var(--card);color:var(--ink);border-radius:8px;padding:4px 8px;font:inherit;font-size:12px;font-weight:700;cursor:pointer;white-space:nowrap}
.seg-row button.edit:hover{border-color:var(--brand)}
.edit-box{width:100%;font:inherit;font-size:15px;padding:8px;border:2px solid var(--brand);border-radius:8px;background:var(--card);color:var(--ink);resize:vertical}
.edit-bar{display:flex;gap:8px;align-items:center;margin-top:6px;flex-wrap:wrap}
.edit-bar .hint{margin:0}
.broll-item button.redraw{right:auto;left:3px}