:root {
  --bg: #f6f5f3; --card: #fff; --ink: #1d1d1f; --muted: #6b6b70; --line: #e4e2de;
  --brand: #E8492B; --ok: #1f9d55; --bad: #d64545; --radius: 12px;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.err { color: var(--bad); min-height: 1.2em; margin: 8px 0 0; }
h1, h2, h3 { margin: 0; }
h2 { font-size: 20px; }
h3 { font-size: 15px; margin-bottom: 10px; }

.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: #fff; color: var(--ink); padding: 8px 14px; border-radius: 9px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: #c9c6c0; }
.btn.primary { background: var(--brand); border-color: var(--brand); color: #fff; }
.btn.primary:hover { filter: brightness(0.95); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }

input, select, textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--brand) 35%, transparent); border-color: var(--brand); }
input[type=checkbox] { width: auto; }
input[type=color] { padding: 2px; height: 38px; width: 56px; }
label { display: block; font-weight: 600; font-size: 13px; color: #444; }
label > input, label > select, label > textarea { margin-top: 5px; font-weight: 400; }
.hint { font-weight: 400; color: var(--muted); font-size: 12px; margin-top: 4px; display: block; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.login { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login .card { width: 100%; max-width: 360px; display: grid; gap: 14px; }

.top { display: flex; align-items: center; gap: 20px; padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 16px; }
#brand-dot { width: 14px; height: 14px; border-radius: 4px; background: var(--brand); }
nav { display: flex; gap: 4px; flex: 1; }
nav button { border: 0; background: none; font: inherit; font-weight: 600; padding: 8px 12px; border-radius: 8px; color: var(--muted); cursor: pointer; }
nav button.on { background: var(--bg); color: var(--ink); }
.top-actions { display: flex; gap: 8px; }
#banner:not(:empty) { background: #fff4d6; border-bottom: 1px solid #f0dca0; padding: 10px 24px; font-size: 14px; }
main { padding: 24px; max-width: 1400px; margin: 0 auto; }
.row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.stack { display: grid; gap: 14px; }

/* promotions list */
.slides { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 16px; }
.slide-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.slide-card.off { opacity: .6; }
.thumb { aspect-ratio: 16/9; position: relative; background: #222; overflow: hidden; }
.thumb iframe { position: absolute; left: 0; top: 0; width: 1920px; height: 1080px; border: 0; transform-origin: 0 0; pointer-events: none; }
.slide-card .meta { padding: 12px 14px; display: grid; gap: 6px; }
.slide-card .meta b { font-size: 15px; }
.pill { display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 99px; background: var(--bg); color: var(--muted); text-transform: uppercase; letter-spacing: .5px; }
.pill.live { background: #e3f6ea; color: var(--ok); }
.pill.sched { background: #fff1d6; color: #9a6a00; }
.slide-card .actions { display: flex; gap: 6px; padding: 0 14px 14px; flex-wrap: wrap; }

/* editor */
.editor { display: grid; grid-template-columns: minmax(340px, 460px) 1fr; gap: 24px; align-items: start; }
.editor .preview { position: sticky; top: 80px; }
.preview-frame { aspect-ratio: 16/9; position: relative; border-radius: var(--radius); overflow: hidden; background: #222; box-shadow: 0 10px 30px rgba(0,0,0,.15); }
.preview-frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.img-pick { display: flex; gap: 10px; align-items: center; }
.img-pick .sw { width: 96px; height: 54px; border-radius: 6px; background: #eee center/cover; border: 1px solid var(--line); flex-shrink: 0; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; margin-top: 5px; }
.seg button { border: 0; background: #fff; padding: 7px 12px; font: inherit; font-size: 13px; font-weight: 600; cursor: pointer; color: var(--muted); }
.seg button + button { border-left: 1px solid var(--line); }
.seg button.on { background: var(--ink); color: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.chips label { display: inline-flex; align-items: center; gap: 5px; border: 1px solid var(--line); border-radius: 99px; padding: 4px 10px; font-weight: 600; cursor: pointer; }

.badge { display: inline-block; min-width: 20px; padding: 1px 6px; border-radius: 99px; background: var(--brand); color: #fff; font-size: 12px; line-height: 18px; text-align: center; margin-left: 4px; }
.sg-card .why { background: #fbfaf8; border-radius: 8px; padding: 8px 10px; font-size: 13px; color: #444; }
.sg-card .why b { color: var(--ink); }
.thumb .overlay { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,.45); color: #fff; font-weight: 600; font-size: 13px; }
.spin { display: inline-block; width: 14px; height: 14px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .8s linear infinite; vertical-align: -2px; margin-right: 6px; }
@keyframes spin { to { transform: rotate(360deg); } }

/* AI */
.card.ai { border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); background: linear-gradient(180deg, color-mix(in srgb, var(--brand) 5%, #fff), #fff); }
.ai-variants { display: grid; gap: 8px; }
.ai-var { text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: 10px 12px; cursor: pointer; font: inherit; display: grid; gap: 2px; }
.ai-var:hover { border-color: var(--brand); box-shadow: 0 0 0 2px color-mix(in srgb, var(--brand) 20%, transparent); }
.ai-var b { font-size: 16px; }
.ai-var small { color: var(--muted); }

/* rates table */
.table-wrap { overflow-x: auto; margin-top: 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
table.rates { border-collapse: collapse; width: 100%; min-width: 1100px; }
table.rates th, table.rates td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.rates th { font-size: 12px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted); background: #fbfaf8; }
table.rates td input, table.rates td select { padding: 6px 8px; }
table.rates .n { width: 96px; }
table.rates .calc { font-variant-numeric: tabular-nums; font-weight: 700; white-space: nowrap; }
table.rates .calc small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; }
table.rates tr.disabled td { opacity: .5; }
.status-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; background: var(--ok); }
.status-dot.bad { background: var(--bad); }

#toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%) translateY(80px); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 10px; font-weight: 600; transition: transform .25s; z-index: 50; }
#toast.show { transform: translateX(-50%) translateY(0); }
#toast.bad { background: var(--bad); }

@media (max-width: 900px) {
  .editor { grid-template-columns: 1fr; }
  .editor .preview { position: static; order: -1; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  main { padding: 16px; }
  .top { padding: 10px 16px; }
}