/* present-hub — app chrome */
:root {
  --bg: #0e1116;
  --panel: #171b23;
  --panel-2: #1e242f;
  --border: #2a3140;
  --text: #e8ebf1;
  --muted: #8b93a5;
  --brand: #dc2626;
  --brand-2: #f87171;
  --ok: #22c55e;
  --radius: 12px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font-family: 'Noto Sans Thai', 'Inter', system-ui, sans-serif;
  font-size: 15px; min-height: 100vh;
}
a { color: inherit; text-decoration: none; }

.topnav {
  display: flex; align-items: center; gap: 20px;
  padding: 0 28px; height: 58px;
  background: var(--panel); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.topnav .logo { font-weight: 800; font-size: 17px; letter-spacing: .02em; display: flex; align-items: center; gap: 9px; }
.topnav .logo .dot { width: 11px; height: 11px; border-radius: 3px; background: linear-gradient(135deg, var(--brand), #f97316); }
.topnav .logo span.g { color: var(--muted); font-weight: 500; }
.topnav nav { display: flex; gap: 4px; margin-left: 12px; }
.topnav nav a {
  padding: 7px 14px; border-radius: 8px; color: var(--muted); font-weight: 600;
}
.topnav nav a:hover { color: var(--text); background: var(--panel-2); }
.topnav nav a.active { color: var(--text); background: var(--panel-2); }
.topnav .spacer { flex: 1; }
.ai-badge { font-size: 12px; color: var(--muted); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; }
.ai-badge.on { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, transparent); }

.wrap { max-width: 1200px; margin: 0 auto; padding: 32px 28px 80px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 26px; gap: 16px; flex-wrap: wrap; }
.page-head h1 { margin: 0; font-size: 26px; }
.page-head p { margin: 6px 0 0; color: var(--muted); }

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 9px 18px; font-size: 14px; font-weight: 700;
  cursor: pointer; font-family: inherit; transition: .15s;
  text-decoration: none;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--brand); border-color: var(--brand); }
.btn.primary:hover { background: #b91c1c; }
.btn.ghost { background: transparent; }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 8px; }
.btn.danger:hover { border-color: var(--brand); color: var(--brand-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 18px; }
.deck-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; cursor: pointer; transition: .15s; display: block;
}
.deck-card:hover { border-color: var(--muted); transform: translateY(-2px); }
.deck-card .swatch { height: 8px; }
.deck-card .inner { padding: 18px 20px; }
.deck-card h3 { margin: 0 0 8px; font-size: 16px; line-height: 1.35; }
.deck-card .meta { color: var(--muted); font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; }
.chip {
  display: inline-block; font-size: 12px; font-weight: 700;
  border-radius: 6px; padding: 2px 9px;
}

.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-weight: 700; margin-bottom: 7px; font-size: 14px; }
.field .hint { color: var(--muted); font-weight: 400; font-size: 12.5px; margin-left: 6px; }
input[type=text], input[type=number], select, textarea {
  width: 100%; background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 9px;
  padding: 10px 13px; font-size: 14.5px; font-family: inherit;
}
textarea { resize: vertical; min-height: 110px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--brand); }

.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg label {
  border: 1px solid var(--border); border-radius: 9px; padding: 8px 16px;
  cursor: pointer; font-weight: 600; color: var(--muted); font-size: 14px;
}
.seg input { display: none; }
.seg label:has(input:checked) { border-color: var(--brand); color: var(--text); background: color-mix(in srgb, var(--brand) 14%, transparent); }

.kn-pick { display: flex; flex-direction: column; gap: 8px; max-height: 260px; overflow: auto; }
.kn-pick label {
  display: flex; gap: 10px; align-items: flex-start; padding: 10px 13px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 9px; cursor: pointer;
}
.kn-pick label:has(input:checked) { border-color: var(--brand); }
.kn-pick .t { font-weight: 600; font-size: 13.5px; }
.kn-pick .m { color: var(--muted); font-size: 12px; margin-top: 2px; }

.progress-box { text-align: center; padding: 48px 24px; }
.progress-box .spin {
  width: 44px; height: 44px; margin: 0 auto 20px; border-radius: 50%;
  border: 4px solid var(--border); border-top-color: var(--brand);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.progress-box h3 { margin: 0 0 8px; }
.progress-box .status { color: var(--muted); font-size: 14px; min-height: 20px; }
.progress-box .bar { height: 6px; background: var(--panel-2); border-radius: 3px; margin: 22px auto 0; max-width: 420px; overflow: hidden; }
.progress-box .bar > div { height: 100%; width: 0%; background: linear-gradient(90deg, var(--brand), #f97316); transition: width .4s; }

.empty { text-align: center; color: var(--muted); padding: 60px 20px; }
.empty .big { font-size: 40px; margin-bottom: 12px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  border-radius: 10px; padding: 11px 22px; font-weight: 600; z-index: 200;
  box-shadow: 0 8px 30px rgba(0,0,0,.45); opacity: 0; transition: opacity .25s; pointer-events: none;
}
.toast.show { opacity: 1; }

table.list { width: 100%; border-collapse: collapse; }
table.list th { text-align: left; color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .06em; padding: 10px 14px; border-bottom: 1px solid var(--border); }
table.list td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: 14px; vertical-align: top; }
table.list tr:hover td { background: var(--panel-2); }

/* ---------- deck editor ---------- */
.editor-shell { display: flex; height: calc(100vh - 58px); }
.thumbs {
  width: 224px; flex-shrink: 0; overflow-y: auto; padding: 14px;
  background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 10px;
}
.thumb {
  position: relative; border: 2px solid var(--border); border-radius: 8px;
  overflow: hidden; cursor: pointer; background: #fff; flex-shrink: 0;
}
.thumb.active { border-color: var(--brand); }
.thumb .num {
  position: absolute; top: 4px; left: 4px; z-index: 2;
  background: rgba(0,0,0,.65); color: #fff; font-size: 11px; font-weight: 700;
  border-radius: 5px; padding: 1px 7px;
}
.thumb .frame { width: 192px; height: 108px; overflow: hidden; }
.thumb .frame .slide { transform: scale(0.15); transform-origin: top left; }

.stage-col { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.stage { flex: 1; display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 22px; }
.stage-inner { position: relative; box-shadow: 0 12px 50px rgba(0,0,0,.5); }
.stage-inner .slide { transform-origin: top left; }
.editbar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 20px; background: var(--panel); border-top: 1px solid var(--border);
}
.editbar input[type=text] { flex: 1; min-width: 200px; }
.editbar .sep { width: 1px; height: 26px; background: var(--border); }

.deckbar {
  display: flex; align-items: center; gap: 10px;
  padding: 0 20px; height: 58px; background: var(--panel);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50;
}
.deckbar .title-input {
  background: transparent; border: 1px solid transparent; color: var(--text);
  font-size: 16px; font-weight: 700; padding: 6px 10px; border-radius: 8px; width: 340px;
}
.deckbar .title-input:hover, .deckbar .title-input:focus { border-color: var(--border); background: var(--bg); outline: none; }
.deckbar .spacer { flex: 1; }

/* present mode */
#presentRoot {
  position: fixed; inset: 0; background: #000; z-index: 1000;
  display: none; align-items: center; justify-content: center;
}
#presentRoot.on { display: flex; }
#presentRoot .pslide { transform-origin: center center; }
#presentRoot .pnav {
  position: fixed; bottom: 16px; right: 20px; color: rgba(255,255,255,.5);
  font-size: 13px; font-weight: 600; z-index: 1001;
}

/* print/export */
#printRoot { display: none; }
@media print {
  body * { visibility: hidden; }
  body { background: #fff; }
  .topnav, .deckbar, .editor-shell, .toast, #presentRoot { display: none !important; }
  #printRoot { display: block !important; position: absolute; top: 0; left: 0; }
  #printRoot, #printRoot * { visibility: visible; }
  #printRoot .slide { page-break-after: always; break-after: page; }
}
@page { size: 1280px 720px; margin: 0; }