:root {
  --bg: #f4f5f7; --panel: #ffffff; --ink: #18202c; --mute: #5f6b7a; --line: #e2e6eb; --soft: #eef1f5;
  --accent: #2f6bd8; --accent-ink: #fff; --ok: #14834a; --ok-soft: #e3f4ea; --bad: #c8323f; --bad-soft: #fbe6e8;
  --warn: #a66300; --warn-soft: #fdf1dc; --shadow: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.08);
  --radius: 12px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1218; --panel: #171c24; --ink: #e6e9ef; --mute: #98a2b3; --line: #262d39; --soft: #1e2430;
    --accent: #6f9dff; --accent-ink: #0b1020; --ok: #43c47c; --ok-soft: #13291d; --bad: #ff6b76; --bad-soft: #2e1519;
    --warn: #f0b04a; --warn-soft: #2b2112; --shadow: none; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1218; --panel: #171c24; --ink: #e6e9ef; --mute: #98a2b3; --line: #262d39; --soft: #1e2430;
  --accent: #6f9dff; --accent-ink: #0b1020; --ok: #43c47c; --ok-soft: #13291d; --bad: #ff6b76; --bad-soft: #2e1519;
  --warn: #f0b04a; --warn-soft: #2b2112; --shadow: none; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 14px/1.5 system-ui, "Segoe UI", Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; } a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; line-height: 1.25; } h2 { font-size: 17px; } h3 { font-size: 14px; }
.muted { color: var(--mute); } .small { font-size: 12.5px; } .mono { font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; }
button, .btn { font: inherit; border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 9px; padding: 7px 13px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; }
button:hover { border-color: var(--mute); } button:disabled { opacity: .55; cursor: default; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; }
button.danger { color: var(--bad); }
input, select, textarea { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 7px 10px; width: 100%; }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--accent); }
input[type=range] { padding: 0; accent-color: var(--accent); }
label.field { display: grid; gap: 4px; } label.field > span { font-weight: 600; font-size: 13px; }

/* layout */
header.top { position: sticky; top: 0; z-index: 5; background: var(--bg); border-bottom: 1px solid var(--line); }
.bar { max-width: 1180px; margin: 0 auto; padding: 10px 16px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 9px; font-weight: 700; font-size: 16px; }
.brand svg { width: 26px; height: 26px; }
nav.tabs { display: flex; gap: 2px; overflow-x: auto; max-width: 1180px; margin: 0 auto; padding: 0 12px; }
nav.tabs button { border: 0; border-bottom: 2px solid transparent; border-radius: 0; background: none; padding: 9px 12px; color: var(--mute); white-space: nowrap; }
nav.tabs button.on { color: var(--ink); border-bottom-color: var(--accent); font-weight: 600; }
.spacer { flex: 1; }
main { max-width: 1180px; margin: 0 auto; padding: 16px; display: grid; gap: 16px; }
.grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 16px; display: grid; gap: 10px; align-content: start; min-width: 0; }
.panel > .head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.stack { display: grid; gap: 8px; }
.big { font-size: 26px; font-weight: 700; letter-spacing: -.01em; }
.pill { display: inline-flex; align-items: center; gap: 6px; padding: 2px 10px; border-radius: 999px; font-size: 12.5px; font-weight: 600; background: var(--soft); color: var(--mute); }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.ok { background: var(--ok-soft); color: var(--ok); } .pill.bad { background: var(--bad-soft); color: var(--bad); } .pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.run { background: var(--soft); color: var(--accent); } .pill.run::before { animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .2; } }
.progress { height: 8px; background: var(--soft); border-radius: 99px; overflow: hidden; } .progress > i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .4s; }
.note { padding: 10px 12px; border-radius: 9px; background: var(--soft); font-size: 13px; }
.note.warn { background: var(--warn-soft); color: var(--warn); } .note.bad { background: var(--bad-soft); color: var(--bad); }

/* tables */
.tablewrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--mute); font-weight: 600; }
tr.click { cursor: pointer; } tr.click:hover td { background: var(--soft); }

/* build form */
.form { display: grid; gap: 16px; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
@media (max-width: 860px) { .form { grid-template-columns: 1fr; } }
.drop { border: 2px dashed var(--line); border-radius: var(--radius); padding: 18px; text-align: center; cursor: pointer; display: grid; gap: 10px; place-items: center; min-height: 180px; }
.drop.over { border-color: var(--accent); background: var(--soft); }
.previews { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; width: 100%; }
.previews figure { margin: 0; display: grid; gap: 4px; } .previews canvas, .previews img { width: 100%; aspect-ratio: 1; object-fit: contain; image-rendering: pixelated; background: var(--soft); border-radius: 8px; }
.choices { display: flex; flex-wrap: wrap; gap: 6px; }
.choice { border: 1px solid var(--line); border-radius: 9px; padding: 6px 11px; cursor: pointer; display: inline-flex; gap: 6px; align-items: center; user-select: none; }
.choice:has(input:checked) { border-color: var(--accent); background: var(--soft); }
.choice input { margin: 0; }
.cam { border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; display: grid; gap: 10px; }
.cam:has(> label input:checked) { border-color: var(--accent); }
.slider { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; }

/* videos */
.cards { display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); }
.vcard { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: grid; box-shadow: var(--shadow); }
.vcard img, .vcard .noimg { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; background: var(--soft); }
.vcard .noimg { display: grid; place-items: center; color: var(--mute); }
.vcard .body { padding: 10px 12px; display: grid; gap: 6px; }
.files { display: flex; flex-wrap: wrap; gap: 4px; } .files span { font-size: 12px; background: var(--soft); border-radius: 6px; padding: 1px 7px; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 9px; overflow: hidden; }
.seg button { border: 0; border-radius: 0; } .seg button.on { background: var(--accent); color: var(--accent-ink); }

/* dialog */
dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); color: var(--ink); padding: 0; width: min(760px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0,0,0,.45); }
dialog .dhead { display: flex; justify-content: space-between; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--line); }
dialog .dbody { padding: 14px 16px; display: grid; gap: 10px; max-height: 70vh; overflow: auto; }
pre.log { margin: 0; white-space: pre-wrap; word-break: break-word; background: var(--soft); border-radius: 9px; padding: 10px; font-size: 12px; max-height: 50vh; overflow: auto; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 9px 14px; border-radius: 9px; font-size: 13.5px; z-index: 50; }

/* login */
.center { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login { width: min(360px, 100%); }

/* the hidden attribute always wins over display rules (views, previews, notes) */
[hidden] { display: none !important; }
.nowrap { white-space: nowrap; }