:root {
  --ink: #000;
  --paper: #fff;
  --muted: #737373;
  --line: #e5e5e5;
  --surface: #f4f4f4;
  --danger: #c4161c;
  --ok: #0a7c2f;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif; }
[hidden] { display: none !important; }
h2 { margin: 0 0 4px; font-size: 18px; font-weight: 900; text-transform: uppercase; letter-spacing: .02em; }
h3 { margin: 24px 0 8px; font-size: 13px; text-transform: uppercase; letter-spacing: .12em; }
.muted { color: var(--muted); }
.brand { font-weight: 900; letter-spacing: .25em; font-size: 15px; }
.brand .muted { letter-spacing: .1em; font-weight: 600; margin-left: 6px; }

.login { min-height: 100vh; display: grid; place-items: center; background: var(--ink); padding: 16px; }
.login-box { width: 100%; max-width: 340px; background: var(--paper); padding: 32px 24px; display: grid; gap: 12px; }

.top { position: sticky; top: 0; z-index: 5; background: var(--ink); color: var(--paper); display: flex; align-items: center; gap: 16px; padding: 12px 20px; flex-wrap: wrap; }
.tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.tabs button, .subtabs button { background: none; border: 1px solid transparent; color: inherit; padding: 8px 12px; font: 600 12px/1 inherit; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; white-space: nowrap; }
.tabs button.active { border-color: var(--paper); }
.link { background: none; border: none; color: inherit; cursor: pointer; text-decoration: underline; font: inherit; font-size: 13px; }
.badge { background: var(--paper); color: var(--ink); padding: 1px 6px; margin-left: 4px; font-size: 11px; }

.content { max-width: 1100px; margin: 0 auto; padding: 24px 16px 80px; }
.subtabs { display: flex; gap: 6px; margin-bottom: 16px; flex-wrap: wrap; }
.subtabs button { border-color: var(--ink); color: var(--ink); }
.subtabs button.active { background: var(--ink); color: var(--paper); }
.stats { display: flex; gap: 24px; margin-bottom: 16px; font-size: 13px; color: var(--muted); }
.stats strong { color: var(--ink); font-size: 20px; display: block; }

.card { border: 1px solid var(--ink); padding: 20px; margin-bottom: 16px; }
.form { display: grid; gap: 12px; max-width: 640px; }
label, .field { display: grid; gap: 6px; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; }
input, textarea, select { width: 100%; padding: 10px 12px; border: 1px solid var(--ink); border-radius: 0; font: 15px/1.3 inherit; background: var(--paper); color: var(--ink); text-transform: none; letter-spacing: 0; font-weight: 400; }
textarea { resize: vertical; }
.btn { background: var(--ink); color: var(--paper); border: 1px solid var(--ink); padding: 12px 18px; font: 700 12px/1 inherit; letter-spacing: .15em; text-transform: uppercase; cursor: pointer; }
.btn.secondary { background: var(--paper); color: var(--ink); }
.btn.danger { background: var(--paper); color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 8px 10px; font-size: 11px; }
.btn:disabled { opacity: .4; cursor: default; }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 12px; }
.error { color: var(--danger); margin: 0; min-height: 1em; font-size: 14px; }
.notice { border: 1px solid var(--ink); background: var(--surface); padding: 12px 16px; margin-bottom: 16px; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.video-card { border: 1px solid var(--ink); display: flex; flex-direction: column; }
.video-card video { width: 100%; aspect-ratio: 9 / 16; background: #000; object-fit: cover; display: block; }
.video-card .body { padding: 12px; display: grid; gap: 8px; }
.video-card .meta { font-size: 12px; color: var(--muted); }
.video-card input, .video-card textarea { font-size: 14px; padding: 8px; }
.tags { display: flex; gap: 4px; flex-wrap: wrap; }
.tag { font-size: 11px; border: 1px solid var(--line); padding: 2px 6px; }
.empty { color: var(--muted); padding: 40px 0; text-align: center; grid-column: 1 / -1; }

.product-picker { display: grid; gap: 6px; max-height: 220px; overflow: auto; border: 1px solid var(--line); padding: 8px; text-transform: none; letter-spacing: 0; font-weight: 400; }
.product-picker label { display: flex; align-items: center; gap: 8px; text-transform: none; letter-spacing: 0; font-weight: 400; font-size: 13px; }
.product-picker input { width: auto; }
.product-picker img { width: 28px; height: 28px; object-fit: cover; background: var(--surface); }

.list > div { border-bottom: 1px solid var(--line); padding: 10px 0; display: grid; gap: 2px; }
.list .meta { font-size: 12px; color: var(--muted); }

.edit-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; padding: 12px 0; border-bottom: 1px solid var(--line); align-items: end; }
.edit-row label { font-size: 10px; }

.preview { background: var(--surface); border-radius: 14px; padding: 12px 14px; display: grid; gap: 2px; font-size: 14px; max-width: 360px; }
.preview-app { font-size: 11px; color: var(--muted); letter-spacing: .05em; }

.progress { height: 6px; background: var(--line); }
.progress div { height: 100%; width: 0; background: var(--ink); transition: width .2s; }

.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 12px 18px; font-size: 14px; z-index: 10; max-width: calc(100% - 32px); }

@media (max-width: 600px) {
  .top { padding: 10px 12px; gap: 8px; }
  .tabs { order: 3; width: 100%; flex-basis: 100%; }
  .content { padding: 16px 16px 60px; }
}