:root {
  --bg: #f6f4f1;
  --panel: #ffffff;
  --ink: #1d1b19;
  --muted: #77716a;
  --line: #e7e2dc;
  --soft: #f1ede8;
  --accent: #c2410c;
  --accent-ink: #ffffff;
  --accent-soft: #fdeee6;
  --ok: #15803d;
  --warn: #b45309;
  --err: #b91c1c;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(30, 20, 10, .05), 0 8px 24px rgba(30, 20, 10, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #161412; --panel: #1f1c1a; --ink: #f2eee9; --muted: #a39b92; --line: #34302c;
    --soft: #29251f; --accent: #f97316; --accent-ink: #1a0d05; --accent-soft: #3a2316;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.center { text-align: center; }
.accent { color: var(--accent); }
.spacer { flex: 1; }
h1, h2 { margin: 0; }

/* ---------- top ---------- */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px;
  padding: 10px 20px; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 18px; display: flex; align-items: center; gap: 8px; letter-spacing: -.01em; }
.brand em { font-style: normal; color: var(--accent); }
.brand.big { font-size: 26px; }
.logo { width: 26px; height: 26px; border-radius: 8px; background: var(--accent); position: relative; flex: none; }
.logo::after { content: ""; position: absolute; inset: 7px; border: 3px solid var(--accent-ink); border-radius: 50%; }
.tag { white-space: nowrap; font-size: 12px; padding: 2px 8px; border-radius: 99px; background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.tag.warn { background: #fef3c7; color: #92400e; }
.quota { font-size: 13px; color: var(--muted); }

/* ---------- layout ---------- */
.layout { display: grid; grid-template-columns: minmax(340px, 440px) 1fr; gap: 20px; padding: 20px; max-width: 1500px; margin: 0 auto; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); align-self: start; }
.stage { min-width: 0; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; padding: 12px 16px; }
  .topbar { padding: 10px 16px; }
  .quota { display: none; }
}
@media (max-width: 480px) { .topbar .tag:not(.warn) { display: none; } .brand { font-size: 16px; } }
.step { font-size: 15px; display: flex; align-items: baseline; gap: 8px; margin: 18px 0 10px; flex-wrap: wrap; }
.step:first-child { margin-top: 0; }
.step b { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--ink); color: var(--panel); font-size: 12px; }
.step small { font-weight: 400; font-size: 12px; }

/* ---------- scenarios ---------- */
.scenarios { display: grid; gap: 8px; }
.sc {
  text-align: left; border: 1.5px solid var(--line); background: var(--panel); color: var(--ink);
  border-radius: 12px; padding: 10px 12px; cursor: pointer; font: inherit; display: grid; gap: 2px;
}
.sc b { font-size: 15px; }
.sc span { font-size: 13px; color: var(--muted); }
.sc.on { border-color: var(--accent); background: var(--accent-soft); }
.sc:hover:not(.on) { border-color: var(--muted); }

/* ---------- upload ---------- */
.dropzone { display: block; border: 1.5px dashed var(--line); border-radius: 12px; padding: 18px; cursor: pointer; text-align: center; background: var(--soft); transition: .15s; }
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--accent-soft); }
.dz-inner { display: grid; gap: 4px; justify-items: center; }
.dz-icon { font-size: 26px; line-height: 1; color: var(--accent); }
.thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; margin-top: 10px; }
.thumb { position: relative; aspect-ratio: 3/4; border-radius: 10px; overflow: hidden; background: var(--soft); border: 1px solid var(--line); }
.thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.thumb .noprev { display: grid; place-items: center; height: 100%; font-size: 11px; color: var(--muted); padding: 4px; text-align: center; word-break: break-all; }
.thumb .tb { position: absolute; top: 4px; width: 24px; height: 24px; border-radius: 50%; border: 0; background: rgba(0,0,0,.6); color: #fff; cursor: pointer; font-size: 13px; line-height: 24px; padding: 0; }
.thumb .tb.del { right: 4px; }
.thumb .tb.crop { left: 4px; }

/* ---------- options ---------- */
.options { display: grid; gap: 12px; }
.field { display: grid; gap: 5px; min-width: 0; }
.field > span { font-size: 13px; font-weight: 600; }
select, input[type=text], input:not([type]), textarea {
  font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 9px 10px; width: 100%;
}
textarea { resize: vertical; font-size: 13px; }
select:focus, input:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 40%, transparent); border-color: var(--accent); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--panel); color: var(--ink); border-radius: 99px; padding: 6px 11px; font: inherit; font-size: 13px; cursor: pointer; }
.chip.on { background: var(--ink); color: var(--panel); border-color: var(--ink); }
.toggle { display: flex; align-items: center; gap: 10px; font-size: 14px; cursor: pointer; margin: 4px 0; }
.toggle input { display: none; }
.toggle > span { flex: none; width: 36px; height: 20px; border-radius: 99px; background: var(--line); position: relative; transition: .15s; }
.toggle > span::after { content: ""; position: absolute; top: 2px; left: 2px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: .15s; box-shadow: 0 1px 2px rgba(0,0,0,.2); }
.toggle input:checked + span { background: var(--accent); }
.toggle input:checked + span::after { left: 18px; }
.group-title { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin-top: 6px; border-top: 1px solid var(--line); padding-top: 12px; }

.box { border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; margin-top: 14px; }
.box summary { cursor: pointer; font-weight: 600; font-size: 14px; }
.box[open] summary { margin-bottom: 10px; }
.box .field { margin-bottom: 10px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: end; }
.row > .field { flex: 1 1 140px; }
.row.end { justify-content: flex-end; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--soft); }
.seg button { border: 0; background: transparent; padding: 8px 12px; font: inherit; font-size: 13px; cursor: pointer; color: var(--ink); }
.seg button.on { background: var(--ink); color: var(--panel); }
.seg button:disabled { opacity: .35; cursor: not-allowed; }
.seg.small button { padding: 6px 10px; }
.models { display: grid; gap: 6px; }
.model { display: flex; gap: 10px; align-items: center; border: 1.5px solid var(--line); border-radius: 10px; padding: 8px 10px; cursor: pointer; }
.model.on { border-color: var(--accent); background: var(--accent-soft); }
.model input { accent-color: var(--accent); }
.model .price { margin-left: auto; font-size: 13px; color: var(--muted); white-space: nowrap; }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 10px; padding: 9px 14px; font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; border: 1px solid transparent; }
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.primary:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn.ghost:hover { background: var(--soft); }
.btn.icon { padding: 7px 10px; }
.btn.wide { width: 100%; }
.btn.big { padding: 13px; font-size: 16px; }
.go { position: sticky; bottom: 0; background: var(--panel); padding: 14px 0 2px; margin-top: 10px; display: grid; gap: 6px; }

/* ---------- empty ---------- */
.empty { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; box-shadow: var(--shadow); }
.empty h1 { font-size: clamp(24px, 3vw, 36px); line-height: 1.15; letter-spacing: -.02em; max-width: 680px; }
.how { padding-left: 20px; display: grid; gap: 10px; max-width: 680px; margin: 22px 0; }
.facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.facts div { background: var(--soft); border-radius: 12px; padding: 14px; display: grid; gap: 2px; }
.facts b { font-size: 20px; color: var(--accent); }
.facts span { font-size: 13px; color: var(--muted); }
@media (max-width: 600px) { .facts { grid-template-columns: 1fr; } .empty { padding: 20px; } }

/* ---------- result ---------- */
.result { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); display: grid; gap: 14px; }
.result-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.result-head h2 { font-size: 18px; }
.viewer { background: var(--soft); border-radius: 12px; overflow: hidden; }
.compare { position: relative; height: min(72vh, 900px); min-height: 320px; user-select: none; touch-action: none; }
.compare img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.before-wrap { position: absolute; inset: 0; clip-path: inset(0 50% 0 0); }
.handle { position: absolute; top: 0; bottom: 0; left: 50%; width: 2px; background: #fff; box-shadow: 0 0 0 1px rgba(0,0,0,.15); transform: translateX(-1px); cursor: ew-resize; }
.handle span { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 36px; height: 36px; border-radius: 50%; background: #fff; color: #111; display: grid; place-items: center; box-shadow: 0 2px 8px rgba(0,0,0,.25); font-size: 16px; }
.lbl { position: absolute; top: 10px; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: rgba(0,0,0,.55); color: #fff; }
.lbl.l { left: 10px; } .lbl.r { right: 10px; }
.compare.after-only .before-wrap, .compare.after-only .handle, .compare.after-only .lbl { display: none; }
.side { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding: 6px; }
.side figure { margin: 0; position: relative; }
.side img { width: 100%; height: min(70vh, 860px); object-fit: contain; display: block; }
.side figcaption { position: absolute; top: 8px; left: 8px; font-size: 12px; font-weight: 700; padding: 3px 8px; border-radius: 6px; background: rgba(0,0,0,.55); color: #fff; }
.progress { position: absolute; inset: 0; display: grid; place-content: center; justify-items: center; gap: 12px; background: color-mix(in srgb, var(--soft) 70%, transparent); backdrop-filter: blur(3px); font-weight: 600; text-align: center; padding: 20px; }
.spinner { width: 42px; height: 42px; border-radius: 50%; border: 4px solid var(--line); border-top-color: var(--accent); animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.variants, .batch { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 4px; }
.vt { flex: none; width: 86px; aspect-ratio: 3/4; border-radius: 10px; overflow: hidden; border: 2px solid transparent; cursor: pointer; background: var(--soft); position: relative; padding: 0; }
.vt img { width: 100%; height: 100%; object-fit: cover; display: block; }
.vt.on { border-color: var(--accent); }
.vt .st { position: absolute; inset: auto 0 0 0; font-size: 11px; background: rgba(0,0,0,.6); color: #fff; padding: 2px 4px; text-align: center; }
.vt.wait { display: grid; place-items: center; }
.vt.wait::after { content: ""; width: 20px; height: 20px; border-radius: 50%; border: 3px solid var(--line); border-top-color: var(--accent); animation: spin 1s linear infinite; }
.vt.fail { display: grid; place-items: center; color: var(--err); font-size: 12px; }
.batch .vt { width: 70px; }
.errors { color: var(--err); font-size: 14px; display: grid; gap: 4px; }
.errors:empty { display: none; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
.actions .btn.disabled { pointer-events: none; opacity: .4; }
pre { white-space: pre-wrap; font-size: 12px; color: var(--muted); margin: 0; }
.small-box { margin-top: 0; }

/* ---------- drawer ---------- */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(420px, 100%); background: var(--panel); border-left: 1px solid var(--line); z-index: 40; display: flex; flex-direction: column; box-shadow: -10px 0 30px rgba(0,0,0,.12); }
.drawer-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.history { overflow-y: auto; padding: 12px 16px; display: grid; gap: 10px; align-content: start; }
.hj { display: flex; gap: 10px; border: 1px solid var(--line); border-radius: 12px; padding: 8px; cursor: pointer; background: var(--panel); text-align: left; font: inherit; color: var(--ink); }
.hj:hover { background: var(--soft); }
.hj img { width: 54px; height: 72px; object-fit: cover; border-radius: 8px; background: var(--soft); }
.hj div { display: grid; align-content: center; gap: 2px; font-size: 13px; }

/* ---------- overlays ---------- */
.overlay { position: fixed; inset: 0; z-index: 50; background: rgba(20, 15, 10, .55); display: grid; place-items: center; padding: 16px; }
#login { background: var(--bg); }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; padding: 28px; width: min(400px, 100%); display: grid; gap: 14px; box-shadow: var(--shadow); }
.login-card p { margin: 0; }
.error { color: var(--err); font-size: 14px; min-height: 1em; }
.crop-card { background: var(--panel); border-radius: 16px; padding: 14px; width: min(900px, 100%); display: grid; gap: 12px; }
.crop-head { display: grid; gap: 2px; }
.crop-area { min-height: 200px; background: #111; border-radius: 10px; overflow: hidden; padding: 12px; }
.crop-area { display: grid; place-items: center; }
.crop-stage { position: relative; touch-action: none; user-select: none; }
.crop-stage img { display: block; max-width: 100%; max-height: min(70vh, 700px); }
.crop-rect { position: absolute; border: 2px solid #fff; box-shadow: 0 0 0 9999px rgba(0,0,0,.55); cursor: move; }
.crop-rect i { position: absolute; width: 18px; height: 18px; background: #fff; border-radius: 50%; box-shadow: 0 1px 4px rgba(0,0,0,.4); }
.crop-rect i[data-h=nw] { left: -9px; top: -9px; cursor: nwse-resize; }
.crop-rect i[data-h=ne] { right: -9px; top: -9px; cursor: nesw-resize; }
.crop-rect i[data-h=sw] { left: -9px; bottom: -9px; cursor: nesw-resize; }
.crop-rect i[data-h=se] { right: -9px; bottom: -9px; cursor: nwse-resize; }
.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--panel); padding: 10px 16px; border-radius: 10px; z-index: 60; font-size: 14px; max-width: calc(100% - 32px); }
.thumb.clear { border-style: dashed; color: var(--muted); font: inherit; font-size: 13px; cursor: pointer; }
.thumb.clear:hover { color: var(--err); border-color: var(--err); }
.presets { display: grid; gap: 6px; }
.preset { text-align: left; border: 1px dashed var(--accent); background: var(--accent-soft); color: var(--ink); border-radius: 10px; padding: 8px 10px; font: inherit; font-size: 13px; cursor: pointer; }
.preset.on { border-style: solid; font-weight: 600; }

/* референсы */
.dropzone.compact { padding: 12px; }
#refsBox .thumbs { margin: 10px 0 12px; }
#refsBox .thumbs:empty { display: none; }
#refsBox .thumb { aspect-ratio: 1; }
#refsBox .thumb .num { position: absolute; left: 4px; bottom: 4px; background: rgba(0,0,0,.6); color: #fff; font-size: 11px; border-radius: 6px; padding: 1px 6px; }
#refsBox .ref-take { margin-top: 12px; }
.refs-used { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.refs-used img { width: 44px; height: 44px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }