/* AutoArch web — dark product chrome around a light studio viewport,
   the same language as the desktop app. 4px rhythm, one accent, 120ms
   transitions, restraint everywhere. */
* { box-sizing: border-box; margin: 0; }
:root {
  --bg: #0f1115; --panel: #14171c; --panel2: #171b21; --inset: #151a21;
  --line: #232833; --line2: #2a3140;
  --text: #d7dce3; --bright: #f2f5f9; --dim: #8b93a2; --dim2: #6d7787;
  --blue: #2f6fdb; --blue-h: #3d7ce4; --sky: #4fa3ff;
  --green: #62d488; --amber: #ffb454; --red: #e2483d;
  --r: 10px; --r-lg: 14px;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.22);
  --studio: linear-gradient(180deg, #eef2f6 0%, #c9d4dd 55%, #9fb0bf 100%);
}
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 14px/1.55 'Segoe UI', system-ui, -apple-system, sans-serif;
  min-height: 100vh; display: flex; flex-direction: column;
}
a { color: var(--sky); text-decoration: none; }
a:hover { text-decoration: underline; }
::selection { background: #2f5f9e; color: #fff; }
:focus-visible { outline: 2px solid var(--sky); outline-offset: 2px;
  border-radius: 4px; }

/* ---------------------------------------------------------- header */
header.top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 13px 26px; background: var(--panel);
  border-bottom: 1px solid var(--line);
}
.brand { font-size: 19px; font-weight: 700; color: var(--bright);
  letter-spacing: -.2px; }
.brand span { color: var(--sky); }
.brand:hover { text-decoration: none; }
header nav { display: flex; align-items: center; gap: 22px; }
header nav a { color: var(--dim); font-weight: 600; font-size: 13.5px;
  transition: color .12s; }
header nav a:hover { color: var(--text); text-decoration: none; }
form.inline { display: inline; }

main { flex: 1; width: 100%; max-width: 1120px; margin: 0 auto;
  padding: 28px 26px 72px; }

footer.site {
  border-top: 1px solid var(--line); color: var(--dim2);
  font-size: 12px; padding: 18px 26px; display: flex;
  justify-content: space-between; background: var(--panel);
}

/* ---------------------------------------------------------- buttons */
.btn {
  display: inline-block; background: var(--blue); color: #fff;
  border: 1px solid var(--blue); border-radius: var(--r);
  padding: 9px 18px; font-weight: 600; font-size: 14px; cursor: pointer;
  transition: background .12s, transform .06s; text-align: center;
}
.btn:hover { background: var(--blue-h); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--text);
  border-color: var(--line2); }
.btn.ghost:hover { background: #1d232c; border-color: #3a4658; }
.btn.big { padding: 12px 26px; font-size: 15px; border-radius: 12px; }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.wide { width: 100%; margin-top: 10px; }
.btn:disabled { background: #23324a; border-color: #23324a;
  color: var(--dim2); cursor: default; transform: none; }
button.linklike { background: none; border: none; color: var(--dim);
  font: inherit; font-weight: 600; cursor: pointer; padding: 0;
  transition: color .12s; }
button.linklike:hover { color: var(--text); }

/* ---------------------------------------------------------- cards */
.card {
  background: var(--panel2); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 20px;
}
h2 { margin-bottom: 14px; font-size: 21px; letter-spacing: -.2px; }
h3 { margin-bottom: 10px; font-size: 15px; }
.muted { color: var(--dim2); font-size: 12.5px; }
.center { text-align: center; padding: 22px 0; }
.kicker { color: var(--dim2); font-size: 11px; font-weight: 700;
  letter-spacing: 1.6px; margin-bottom: 14px; }

/* ---------------------------------------------------------- landing */
.hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 34px;
  align-items: center; padding: 46px 0 26px; }
.hero h1 { font-size: 40px; line-height: 1.12; letter-spacing: -.8px;
  color: var(--bright); }
.hero .sub { margin: 18px 0 24px; color: var(--dim); font-size: 16px;
  max-width: 46ch; }
.cta-row { display: flex; gap: 12px; }
.facts { list-style: none; margin-top: 26px; display: flex; gap: 22px;
  flex-wrap: wrap; padding: 0; }
.facts li { color: var(--dim); font-size: 13px; display: flex;
  align-items: center; gap: 7px; }
.facts svg { color: var(--sky); flex: none; }

.viewer-card { border: 1px solid var(--line2); border-radius: var(--r-lg);
  overflow: hidden; box-shadow: var(--shadow); background: var(--panel2); }
#hero-viewer { height: 380px; background: var(--studio); cursor: grab; }
#hero-viewer:active { cursor: grabbing; }
#hero-viewer canvas { display: block; }
.viewer-cap { display: flex; justify-content: space-between;
  padding: 10px 14px; font-size: 12px; color: var(--dim);
  border-top: 1px solid var(--line); }

.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin: 44px 0 10px; }
.how .step { padding: 18px 20px; border: 1px solid var(--line);
  border-radius: var(--r-lg); background: var(--panel2); }
.how .n { font-size: 26px; font-weight: 700; color: var(--sky);
  margin-bottom: 6px; }
.how p { color: var(--dim); font-size: 13.5px; }
.how b { color: var(--text); display: block; margin-bottom: 3px; }

.cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px;
  margin: 34px 0; }
.cols .card { padding: 22px; }
.cols svg { color: var(--sky); margin-bottom: 12px; }
.cols p { color: var(--dim); font-size: 13.5px; }

.pricing { display: grid; grid-template-columns: repeat(2, minmax(0, 360px));
  gap: 14px; justify-content: center; margin: 40px 0 8px; }
.price-card { text-align: center; padding: 30px 28px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; }
.price-card .btn { margin-top: auto; }
.kicker.accent { color: var(--green); }
.price { font-size: 44px; font-weight: 700; color: var(--bright);
  letter-spacing: -1px; }
.price span { font-size: 16px; color: var(--dim); font-weight: 400;
  letter-spacing: 0; }
.price-card ul { list-style: none; margin: 18px 0 22px; padding: 0;
  text-align: left; }
.price-card li { padding: 7px 0; color: var(--dim); display: flex;
  gap: 10px; align-items: center; font-size: 14px; }
.price-card li svg { color: var(--green); flex: none; }

/* ---------------------------------------------------------- forms */
.auth-wrap { max-width: 400px; margin: 46px auto 0; }
.auth-brand { text-align: center; font-size: 24px; font-weight: 700;
  color: var(--bright); margin-bottom: 18px; letter-spacing: -.3px; }
.auth-brand span { color: var(--sky); }
.auth-card { padding: 26px; box-shadow: var(--shadow); }
label { display: block; margin: 14px 0 5px; color: var(--dim);
  font-size: 12.5px; font-weight: 600; letter-spacing: .2px; }
input:not([type=radio]):not([type=file]) {
  width: 100%; background: var(--inset); border: 1px solid var(--line2);
  border-radius: var(--r); padding: 10px 12px; color: #e8edf4;
  font-size: 14.5px; transition: border-color .12s; }
input:focus { outline: none; border-color: var(--sky); }
.error { background: #38240f; color: var(--amber);
  border: 1px solid #8a5a1f; border-radius: var(--r);
  padding: 9px 12px; margin-bottom: 6px; font-size: 13px; }
.aux { margin-top: 16px; text-align: center; }

.banner { border-radius: var(--r); padding: 10px 14px; margin-bottom: 18px;
  border: 1px solid var(--line2); font-size: 13.5px; }
.banner.ok { background: #16301f; color: var(--green); border-color: #2b6a41; }
.banner.warn { background: #38240f; color: var(--amber); border-color: #8a5a1f; }
.banner.dev { background: #1c2129; color: var(--dim); }

/* ---------------------------------------------------------- dashboard */
.workbench { display: grid; grid-template-columns: 330px 1fr; gap: 16px; }
.dropzone {
  border: 2px dashed #33405a; border-radius: 12px; background: var(--inset);
  padding: 22px 14px; text-align: center; margin-bottom: 6px;
  transition: border-color .12s, background .12s;
}
.dropzone.armed, .dropzone:hover { border-color: var(--sky);
  background: #16202e; }
.drop-title { font-weight: 600; color: #c3d2e8; margin-bottom: 2px; }
.dropzone .btn { margin-top: 12px; }
.staged { margin-top: 9px; color: var(--sky); font-size: 12.5px;
  word-break: break-all; }
#upload-msg.notice { color: var(--sky); font-size: 13px;
  font-weight: 600; }
.arch-row { display: flex; gap: 18px; margin: 12px 0 4px; }
.radio { display: inline-flex; gap: 7px; align-items: center; margin: 0;
  color: var(--text); font-weight: 400; font-size: 14px; cursor: pointer; }

.cases-head { display: flex; align-items: center; gap: 12px;
  justify-content: space-between; margin-bottom: 10px; flex-wrap: wrap; }
.cases-head h3 { margin-bottom: 0; }
#search { width: 210px; padding: 7px 11px; font-size: 13px; }

/* the list keeps its default height and scrolls beyond it */
.cases-scroll { max-height: 300px; overflow-y: auto; }
.cases-scroll thead th { position: sticky; top: 0;
  background: var(--panel2); z-index: 2; }
.sel-col { width: 30px; }
table.cases input[type=checkbox] { accent-color: var(--blue);
  cursor: pointer; }
.pill-edited { display: inline-block; margin-left: 7px; border-radius: 8px;
  padding: 1.5px 8px; font-size: 10.5px; font-weight: 700;
  background: #2b2436; color: #c9a7ff; border: 1px solid #55407a;
  vertical-align: 1px; }
.batch-bar { display: flex; align-items: center; gap: 12px;
  padding: 10px 4px 2px; border-top: 1px solid var(--line);
  margin-top: 8px; }
.batch-bar[hidden] { display: none; }
#adj-name { width: 190px; padding: 6px 10px; font-size: 12.5px; }
.promo-row { display: flex; gap: 8px; margin: 12px 0; }
.promo-row input { flex: 1; }
.promo-create { display: flex; gap: 8px; align-items: center;
  flex-wrap: wrap; }
.promo-create input[name=code] { width: 190px; }
.promo-create input[type=number] { width: 70px; }
.promo-create input[name=note] { width: 200px; }

table.cases { width: 100%; border-collapse: collapse; }
table.cases th { text-align: left; color: var(--dim2); font-size: 10.5px;
  letter-spacing: 1.2px; text-transform: uppercase; padding: 7px 9px;
  border-bottom: 1px solid var(--line); font-weight: 700; }
table.cases td { padding: 10px 9px; border-bottom: 1px solid var(--line);
  font-size: 13.5px; vertical-align: middle; }
table.cases tr:hover td { background: #1a1f27; }
.actions { display: flex; gap: 12px; justify-content: flex-end; }
.actions a { font-size: 13px; font-weight: 600; }

.chip { display: inline-block; border-radius: 9px; padding: 2.5px 10px;
  font-size: 11px; font-weight: 700; background: #1c2129;
  color: var(--dim); border: 1px solid var(--line2); }
.chip.run { background: #23324a; color: #7fb3ff; border-color: var(--blue); }
.chip.ok { background: #16301f; color: var(--green); border-color: #2b6a41; }
.chip.warn { background: #38240f; color: var(--amber); border-color: #8a5a1f; }
.chip.bad { background: #391416; color: #ff7b72; border-color: #8a2a26; }

/* ------------------------------------------------------------ admin */
.stat-row { display: flex; gap: 14px; margin-top: 14px; flex-wrap: wrap; }
.stat { background: var(--panel2); border: 1px solid var(--line);
  border-radius: var(--r-lg); padding: 16px 22px; min-width: 150px; }
.stat-n { font-size: 30px; font-weight: 700; color: var(--bright);
  letter-spacing: -.5px; }
.stat-l { color: var(--dim2); font-size: 12.5px; margin-top: 2px; }
.admin-table th, .admin-table td { white-space: nowrap; }

/* ------------------------------------------------- embedded viewer */
.viewer-panel { margin-top: 16px; padding: 14px 14px 10px; }
.viewer-head { display: flex; align-items: center; gap: 14px;
  flex-wrap: wrap; padding-bottom: 10px; }
.v-title { font-weight: 700; font-size: 14.5px; }
.v-spacer { flex: 1; }
.seg { display: inline-flex; border: 1px solid var(--line2);
  border-radius: 9px; overflow: hidden; }
.seg button { background: transparent; border: none; color: var(--dim);
  font: inherit; font-size: 12.5px; font-weight: 600; padding: 6px 13px;
  cursor: pointer; border-right: 1px solid var(--line); }
.seg button:last-child { border-right: none; }
.seg button:hover { color: var(--text); background: #1d232c; }
.seg button.active { background: #23384f; color: #eaf2fc; }
.seg button:disabled { color: #4a5160; cursor: default; background: none; }
.btn.small.active { background: #23384f; border-color: var(--blue);
  color: #eaf2fc; }
.viewer-tools { display: flex; align-items: center; gap: 10px;
  flex-wrap: wrap; padding: 8px 2px; border-top: 1px solid var(--line); }
.viewer-tools[hidden] { display: none; }
.viewer-tools .radio { font-size: 13px; }
.tool-gap { width: 10px; }
input[type=range] { accent-color: var(--blue); }
#brush-size { width: 120px; }
#base-size { width: 160px; }
#stage { height: 560px; background: var(--studio); border-radius: 10px;
  overflow: hidden; cursor: grab; margin-top: 10px; }
#stage:active { cursor: grabbing; }
#stage canvas { display: block; }
.viewer-foot { display: flex; justify-content: space-between; gap: 12px;
  padding: 9px 4px 2px; }

/* ---------------------------------------------------------- viewer */
.modal { position: fixed; inset: 0; background: rgba(5, 7, 10, .74);
  backdrop-filter: blur(3px); display: flex; align-items: center;
  justify-content: center; z-index: 40; }
.modal[hidden] { display: none; }
.modal-body { width: min(1000px, 94vw); height: min(700px, 88vh);
  background: var(--panel); border: 1px solid var(--line2);
  border-radius: var(--r-lg); display: flex; flex-direction: column;
  box-shadow: var(--shadow); overflow: hidden; }
.modal-head { display: flex; justify-content: space-between;
  align-items: center; padding: 11px 16px;
  border-bottom: 1px solid var(--line); font-weight: 600; }
#viewer-canvas { flex: 1; background: var(--studio); }
#viewer-canvas canvas { display: block; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 26px; }
  .hero h1 { font-size: 30px; }
  #hero-viewer { height: 300px; }
  .workbench, .cols, .how { grid-template-columns: 1fr; }
  .pricing { grid-template-columns: minmax(0, 400px); }
  main { padding: 20px 16px 56px; }
}