:root {
  --bg: #f4f5f7; --card: #fff; --ink: #14161a; --muted: #6b7280; --line: #e3e5ea;
  --brand: #1d4ed8; --brand-ink: #fff; --ok: #15803d; --bad: #b91c1c; --soft: #eef2ff;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #0e1013; --card: #171a1f; --ink: #eceef2; --muted: #9aa1ad; --line: #2a2e36;
    --brand: #6d8dff; --brand-ink: #0b0d12; --ok: #4ade80; --bad: #f87171; --soft: #1c2233; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select, textarea { font: inherit; color: inherit; }
header { background: var(--card); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.bar { max-width: 1100px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 8px; min-height: 56px; flex-wrap: wrap; }
.logo { font-weight: 800; margin-right: 12px; }
.tab { border: 0; background: none; padding: 17px 12px; cursor: pointer; color: var(--muted); border-bottom: 3px solid transparent; font-weight: 600; }
.tab.on { color: var(--ink); border-color: var(--brand); }
.spacer { flex: 1; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
h2 { margin: 0 0 4px; font-size: 20px; }
.sub { color: var(--muted); margin: 0 0 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stack { display: grid; gap: 12px; }
label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); font-weight: 600; }
input, select, textarea { background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; width: 100%; }
textarea { resize: vertical; min-height: 70px; }
input[type=color] { padding: 2px; height: 40px; }
input[type=checkbox] { width: auto; }
.btn { border: 1px solid var(--line); background: var(--card); border-radius: 8px; padding: 8px 14px; cursor: pointer; font-weight: 600; }
.btn:hover { background: var(--bg); }
.btn.primary { background: var(--brand); color: var(--brand-ink); border-color: var(--brand); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { color: var(--bad); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: default; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 700; padding: 3px 9px; border-radius: 99px; background: var(--bg); color: var(--muted); }
.pill i { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); }
.pill.on { color: var(--ok); } .pill.on i { background: var(--ok); }
.muted { color: var(--muted); font-size: 13px; }
.login { max-width: 360px; margin: 14vh auto; }
.drop { border: 2px dashed var(--line); border-radius: 12px; padding: 26px; text-align: center; cursor: pointer; color: var(--muted); }
.drop.over { border-color: var(--brand); background: var(--soft); color: var(--ink); }
.prog { height: 6px; background: var(--line); border-radius: 9px; overflow: hidden; margin-top: 8px; }
.prog > div { height: 100%; background: var(--brand); width: 0; transition: width .15s; }
.thumb { aspect-ratio: 16/9; border-radius: 8px; overflow: hidden; background: #000; display: grid; place-items: center; margin-bottom: 10px; }
.thumb img, .thumb video { width: 100%; height: 100%; object-fit: cover; }
.thumb.slide { padding: 6%; place-items: start; align-content: center; }
.thumb.slide b { font-size: 15px; line-height: 1.1; }
.thumb.slide span { font-size: 10px; opacity: .85; margin-top: 4px; display: block; }
.tag { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.split { display: grid; gap: 16px; grid-template-columns: 260px 1fr; align-items: start; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }
.list { display: grid; gap: 4px; }
.list button { text-align: left; border: 0; background: none; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.list button.on { background: var(--soft); font-weight: 700; }
.item { display: grid; grid-template-columns: 90px 1fr auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.item:last-child { border: 0; }
.item .thumb { margin: 0; }
.item.off { opacity: .55; }
.sched { grid-column: 1 / -1; display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); padding: 10px; background: var(--bg); border-radius: 8px; }
.picker { display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); max-height: 340px; overflow: auto; }
.picker .p { border: 1px solid var(--line); border-radius: 8px; padding: 6px; cursor: pointer; background: var(--card); text-align: left; }
.picker .p:hover { border-color: var(--brand); }
.picker .p .thumb { margin-bottom: 4px; }
.picker .p small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.preview { aspect-ratio: 16/9; border-radius: 10px; padding: 7%; display: flex; flex-direction: column; justify-content: center; overflow: hidden; }
.preview .b { width: 12%; height: 2.5%; border-radius: 9px; margin-bottom: 5%; }
.preview h3 { margin: 0 0 3%; font-size: 26px; line-height: 1.05; }
.preview p { margin: 0; font-size: 13px; white-space: pre-line; }
.copy { font-family: ui-monospace, Menlo, monospace; font-size: 13px; background: var(--bg); padding: 8px 10px; border-radius: 8px; word-break: break-all; }
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 99px; font-weight: 600; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 20; }
#toast.on { opacity: 1; }
.empty { text-align: center; color: var(--muted); padding: 28px 10px; }
.steps { margin: 0; padding-left: 20px; color: var(--muted); }
.steps li { margin: 4px 0; } .steps b { color: var(--ink); }