/* ALC Drawing Analyzer — Shared wizard design system.
   Use on ALL 5 step pages + dashboard for consistent UX. */

:root, [data-theme="light"] {
  /* Light theme */
  --bg:        #F7F8FA;
  --card:      #FFFFFF;
  --line:      #E4E7EB;
  --line-2:    #F3F4F6;
  --ink:       #1F2937;
  --ink2:      #6B7280;
  --ink3:      #9CA3AF;
  --accent:    #2563EB;
  --accent-bg: #EFF6FF;
  --accent-dk: #1D4ED8;
  --green:     #10B981;
  --green-dk:  #065F46;
  --green-bg:  #ECFDF5;
  --amber:     #F59E0B;
  --amber-bg:  #FFFBEB;
  --amber-dk:  #92400E;
  --red:       #DC2626;
  --red-bg:    #FEF2F2;
  --sidebar-bg:   #1F2937;
  --sidebar-fg:   #F3F4F6;
  --sidebar-hover:#374151;
  /* Typography */
  --font-base: -apple-system, "Segoe UI", "Yu Gothic", "Hiragino Sans", "Noto Sans JP", system-ui, sans-serif;
  --font-mono: "SF Mono", Menlo, Consolas, monospace;
}

[data-theme="dark"] {
  /* Dark theme */
  --bg:        #0F172A;
  --card:      #1E293B;
  --line:      #334155;
  --line-2:    #1E293B;
  --ink:       #F1F5F9;
  --ink2:      #94A3B8;
  --ink3:      #64748B;
  --accent:    #3B82F6;
  --accent-bg: #1E3A8A;
  --accent-dk: #60A5FA;
  --green:     #10B981;
  --green-dk:  #34D399;
  --green-bg:  #064E3B;
  --amber:     #F59E0B;
  --amber-bg:  #78350F;
  --amber-dk:  #FBBF24;
  --red:       #EF4444;
  --red-bg:    #7F1D1D;
  --sidebar-bg:   #0B1220;
  --sidebar-fg:   #E2E8F0;
  --sidebar-hover:#1E293B;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-base);
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ───── Top nav (5-step) ───── */
nav.steps {
  display: flex;
  background: #fff;
  border-bottom: 1px solid var(--line);
  padding: 0 24px;
}
nav.steps a.step {
  flex: 1;
  padding: 14px 8px;
  text-align: center;
  text-decoration: none;
  color: var(--ink2);
  border-bottom: 3px solid transparent;
  font-weight: 500;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all .15s;
}
nav.steps a.step:hover { color: var(--ink); }
nav.steps a.step .n {
  display: inline-flex;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #E5E7EB;
  color: #4B5563;
  align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600;
}
nav.steps a.step.done { color: var(--green-dk); }
nav.steps a.step.done .n { background: var(--green); color: #fff; }
nav.steps a.step.current {
  color: var(--accent);
  border-bottom-color: var(--accent);
  font-weight: 600;
}
nav.steps a.step.current .n { background: var(--accent); color: #fff; }
nav.steps a.step.locked { opacity: 0.4; cursor: not-allowed; }

/* ───── Page header ───── */
header.page, header {
  padding: 24px 32px 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
}
header h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--font-base);
  letter-spacing: -0.01em;
}
header h1 em {
  font-style: normal;
  color: var(--accent);
  font-weight: 600;
}
header p, header .lede {
  margin: 4px 0 0;
  color: var(--ink2);
  font-size: 14px;
}
header .eb, header .eyebrow {
  font-size: 11px;
  font-weight: 600;
  color: var(--ink3);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
  font-family: var(--font-base);
}

/* ───── Main content area ───── */
main, .page-main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 32px;
}

/* ───── Card ───── */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 20px;
}
.card h2 {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.card h3 {
  margin: 0 0 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ink);
}

/* ───── Buttons ───── */
.btn {
  display: inline-block;
  padding: 9px 16px;
  border-radius: 7px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all .12s;
  font-family: inherit;
}
.btn:hover {
  border-color: #9CA3AF;
  background: #F9FAFB;
}
.btn.primary, .btn.cta {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn.primary:hover, .btn.cta:hover { background: var(--accent-dk); }
.btn.danger { color: var(--red); border-color: var(--red); }
.btn[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ───── KPI cards ───── */
.kpi {
  background: #F9FAFB;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px 16px;
  min-width: 140px;
}
.kpi .l {
  font-size: 11px;
  color: var(--ink2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}
.kpi .v {
  font-size: 22px;
  font-weight: 700;
  margin-top: 2px;
  font-feature-settings: "tnum";
  color: var(--ink);
}
.kpi.total .v { color: var(--accent); }
.kpi.issues .v { color: var(--amber-dk); }
.kpi.ok .v { color: var(--green-dk); }

/* ───── Tables ───── */
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
table.data thead th {
  background: #F9FAFB;
  font-weight: 600;
  text-align: left;
  padding: 10px 12px;
  border-bottom: 2px solid var(--line);
  color: var(--ink2);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
table.data tbody td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line-2);
}
table.data tbody tr:hover { background: #FAFAFB; }
table.data td.num {
  text-align: right;
  font-feature-settings: "tnum";
}

/* ───── Badges ───── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  background: var(--line-2);
  color: var(--ink2);
}
.badge.ok { background: var(--green-bg); color: var(--green-dk); }
.badge.warn { background: var(--amber-bg); color: var(--amber-dk); }
.badge.info { background: var(--accent-bg); color: var(--accent); }

/* ───── Footer actions bar ───── */
.actions-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  margin-top: 24px;
}

/* ───── Form inputs ───── */
input[type="text"], input[type="number"], select, textarea {
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--ink);
  background: #fff;
  outline: none;
  transition: all .12s;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .1);
}

/* ───── App shell with left sidebar ───── */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; background: var(--bg); }
.shell.collapsed { grid-template-columns: 64px 1fr; }
/* Sticky sidebar — stays visible when main content scrolls.
   height: 100vh keeps it pinned to viewport; overflow-y auto for very tall menus. */
.shell aside.sidebar { background: var(--sidebar-bg); color: var(--sidebar-fg); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; overflow-y: auto; align-self: start; }
.shell aside.sidebar .brand { padding: 22px 22px 18px; border-bottom: 1px solid var(--sidebar-hover); display: flex; align-items: center; gap: 10px; }
.shell aside.sidebar .brand .logo { width: 32px; height: 32px; background: var(--accent); border-radius: 8px; display: flex; align-items: center; justify-content: center; color: #fff; font-weight: 700; font-size: 14px; flex-shrink: 0; }
.shell aside.sidebar .brand .name { font-size: 15px; font-weight: 600; color: var(--sidebar-fg); }
.shell.collapsed aside.sidebar .brand .name { display: none; }
.shell aside.sidebar .menu { padding: 16px 12px; flex: 1; display: flex; flex-direction: column; gap: 4px; }
.shell aside.sidebar .menu a { display: flex; align-items: center; gap: 12px; padding: 11px 14px; border-radius: 8px; color: var(--sidebar-fg); opacity: 0.78; text-decoration: none; font-size: 14px; font-weight: 500; transition: all .12s; }
.shell aside.sidebar .menu a:hover { background: var(--sidebar-hover); opacity: 1; }
.shell aside.sidebar .menu a.active { background: var(--accent); color: #fff; opacity: 1; }
.shell aside.sidebar .menu a .icon { font-size: 18px; width: 24px; text-align: center; }
.shell.collapsed aside.sidebar .menu a .label { display: none; }
.shell aside.sidebar .footer { padding: 14px 12px; border-top: 1px solid var(--sidebar-hover); display: flex; flex-direction: column; gap: 6px; }
.shell aside.sidebar .footer button { padding: 8px 12px; background: transparent; border: 1px solid var(--sidebar-hover); color: var(--sidebar-fg); opacity: 0.78; border-radius: 6px; cursor: pointer; font-size: 12px; font-family: inherit; display: flex; align-items: center; gap: 8px; justify-content: center; }
.shell aside.sidebar .footer button:hover { background: var(--sidebar-hover); opacity: 1; }
.shell aside.sidebar .footer select { padding: 7px 10px; background: var(--sidebar-hover); border: 1px solid var(--sidebar-hover); color: var(--sidebar-fg); border-radius: 6px; font-size: 12px; font-family: inherit; cursor: pointer; }
.shell .app-main { display: flex; flex-direction: column; min-width: 0; overflow-x: auto; background: var(--bg); max-width: none !important; margin: 0 !important; padding: 0 !important; width: auto !important; }
/* Kill ALL legacy max-width constraints in main content area —
   user requested full-width main. Applies to all wizard pages. */
.shell .app-main main,
.shell .app-main .sheet,
.shell .app-main .container,
.shell .app-main > .sheet > div[style*="max-width"] {
  max-width: none !important;
  margin: 0 !important;
  width: auto !important;
}
.shell .app-main main { padding: 24px 32px; }
.shell .app-main .sheet { padding: 0 !important; }
.shell .app-main .container { padding: 24px 32px !important; }

/* ───────────────────────────────────────────────────────────────────────
   DARK MODE — Force override for legacy hardcoded colors in page styles.
   Wizard pages embed inline CSS with hex colors (#fff, #F9FAFB, etc.) that
   don't auto-switch with [data-theme="dark"]. These overrides catch all
   common patterns so dark mode applies globally.
   ─────────────────────────────────────────────────────────────────────── */
[data-theme="dark"] {
  color-scheme: dark;
}
[data-theme="dark"] body,
[data-theme="dark"] .sheet {
  background: var(--bg) !important;
  color: var(--ink) !important;
}
[data-theme="dark"] header,
[data-theme="dark"] header.page,
[data-theme="dark"] footer,
[data-theme="dark"] .card,
[data-theme="dark"] .table-card,
[data-theme="dark"] .filter-bar,
[data-theme="dark"] .viewer-card,
[data-theme="dark"] .summary,
[data-theme="dark"] .preview,
[data-theme="dark"] .dl,
[data-theme="dark"] .kpi,
[data-theme="dark"] .bundle-card,
[data-theme="dark"] .check-list,
[data-theme="dark"] .tasks,
[data-theme="dark"] .panel,
[data-theme="dark"] .stat,
[data-theme="dark"] .proj,
[data-theme="dark"] .modal .box,
[data-theme="dark"] .modal-card,
[data-theme="dark"] table tbody td,
[data-theme="dark"] table tbody tr {
  background-color: var(--card) !important;
  color: var(--ink);
  border-color: var(--line);
}
[data-theme="dark"] .toolbar,
[data-theme="dark"] table thead th,
[data-theme="dark"] table.catalog thead th,
[data-theme="dark"] .pager,
[data-theme="dark"] tr.sub-row,
[data-theme="dark"] tr.sub-row td,
[data-theme="dark"] .side,
[data-theme="dark"] .empty {
  background: var(--bg) !important;
  color: var(--ink2) !important;
}
[data-theme="dark"] tr.item:hover,
[data-theme="dark"] tr.item.selected {
  background: var(--accent-bg) !important;
}
[data-theme="dark"] tr.add-row button,
[data-theme="dark"] .btn,
[data-theme="dark"] .vbtn,
[data-theme="dark"] input,
[data-theme="dark"] select,
[data-theme="dark"] textarea {
  background: var(--card) !important;
  color: var(--ink) !important;
  border-color: var(--line) !important;
}
[data-theme="dark"] .btn.primary,
[data-theme="dark"] .btn.cta,
[data-theme="dark"] button.cta,
[data-theme="dark"] .cta {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}
[data-theme="dark"] h1, [data-theme="dark"] h2, [data-theme="dark"] h3,
[data-theme="dark"] h4, [data-theme="dark"] h5 {
  color: var(--ink) !important;
}
[data-theme="dark"] .editable-cell:hover {
  background: var(--bg) !important;
}
[data-theme="dark"] .toast {
  background: var(--card) !important;
  color: var(--ink) !important;
  border: 1px solid var(--line);
}
[data-theme="dark"] .toast.success { background: var(--green-bg) !important; color: var(--green-dk) !important; }
[data-theme="dark"] .toast.error { background: var(--red-bg) !important; color: var(--red) !important; }
[data-theme="dark"] .badge-cat { background: var(--bg) !important; color: var(--ink) !important; }
[data-theme="dark"] .badge-global { background: var(--bg) !important; color: var(--ink2) !important; }
/* 3D/review specific */
[data-theme="dark"] .viewer-3d { background: linear-gradient(180deg, #1A2332 0%, #283344 100%) !important; }
[data-theme="dark"] .ov-tr,
[data-theme="dark"] .ov-tl button,
[data-theme="dark"] .viewer-btn { background: rgba(30, 41, 59, 0.92) !important; color: var(--ink) !important; border-color: var(--line) !important; }
[data-theme="dark"] .viewer-btn.active { background: var(--accent) !important; color: #fff !important; }
/* Suggested + pick cards */
[data-theme="dark"] .pick-card,
[data-theme="dark"] .pick-card .picked { background: var(--amber-bg) !important; }
[data-theme="dark"] .pick-card .picked { background: var(--green-bg) !important; }
[data-theme="dark"] .pick-card .head .name { color: var(--ink) !important; }
/* Quote / EDIT page */
[data-theme="dark"] .cat-row { background: var(--bg) !important; }
[data-theme="dark"] .cat-row td { color: var(--ink) !important; }
[data-theme="dark"] tr.item { border-color: var(--line) !important; }
[data-theme="dark"] tr.item td { color: var(--ink); }
[data-theme="dark"] tr.item .name { color: var(--ink) !important; }
/* Step nav */
[data-theme="dark"] nav.steps { background: var(--card) !important; border-color: var(--line) !important; }

/* ───── Utilities ───── */
.row { display: flex; gap: 16px; align-items: center; }
.col { display: flex; flex-direction: column; gap: 12px; }
.spacer { flex: 1; }
.muted { color: var(--ink2); }
.small { font-size: 12px; }
.empty {
  padding: 60px 0;
  text-align: center;
  color: var(--ink2);
  font-size: 13px;
}