/* OptoGo Console design system — one file, tokens on :root, dark via data-theme.
   Rules: use tokens, never raw colors; one primary button per screen; numbers right-aligned. */

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e4e7ec;
  --border-strong: #d0d5dd;
  --text: #101828;
  --text-2: #475467;
  --muted: #98a2b3;
  --primary: #1f6feb;
  --primary-hover: #1a5fcc;
  --primary-soft: #eaf2ff;
  --good: #067647;
  --good-soft: #ecfdf3;
  --warn: #b54708;
  --warn-soft: #fffaeb;
  --bad: #b42318;
  --bad-soft: #fef3f2;
  --info: #175cd3;
  --info-soft: #eff8ff;
  --shadow: 0 1px 2px rgba(16, 24, 40, 0.05);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.14);
  --radius: 10px;
  --radius-sm: 7px;
  --sidebar: 236px;
  --topbar: 56px;
  --font: "Inter", -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0d1117;
  --surface: #161b22;
  --surface-2: #1c2129;
  --border: #2a313c;
  --border-strong: #3a4250;
  --text: #e6edf3;
  --text-2: #b1bac4;
  --muted: #7d8590;
  --primary: #4493f8;
  --primary-hover: #5aa2ff;
  --primary-soft: #132a4a;
  --good: #3fb950;
  --good-soft: #12261b;
  --warn: #d29922;
  --warn-soft: #2a2213;
  --bad: #f85149;
  --bad-soft: #2d1517;
  --info: #58a6ff;
  --info-soft: #102136;
  --shadow: none;
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.45;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1 { font-size: 20px; }
h2 { font-size: 16px; }
h3 { font-size: 14px; }
.icon { flex: none; stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
.muted { color: var(--muted); }
.text-2 { color: var(--text-2); }
.nowrap { white-space: nowrap; }
.right { text-align: right; }
.num { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.good { color: var(--good); }
.bad { color: var(--bad); }
.warn { color: var(--warn); }
[x-cloak] { display: none !important; }

/* ---------- layout ---------- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: var(--sidebar); flex: none; background: var(--surface); border-right: 1px solid var(--border);
  position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 14px 16px; font-weight: 700; font-size: 15px; color: var(--text); }
.brand:hover { text-decoration: none; }
.brand-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--primary); color: #fff; display: grid; place-items: center; font-size: 14px; }
.env-tag { font-size: 10px; font-weight: 600; padding: 1px 6px; border-radius: 99px; background: var(--warn-soft); color: var(--warn); text-transform: uppercase; }
.nav { padding: 6px 8px 16px; flex: 1; }
.nav-mod { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm); color: var(--text-2); font-weight: 500; }
.nav-mod:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-mod.active { color: var(--text); background: var(--surface-2); }
.nav-mod.active .icon { color: var(--primary); }
.nav-sub { margin: 2px 0 8px 20px; padding-left: 10px; border-left: 1px solid var(--border); }
.nav-sub-title { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; padding: 8px 8px 2px; }
.nav-link { display: block; padding: 5px 8px; border-radius: 6px; color: var(--text-2); font-size: 13.5px; }
.nav-link:hover { background: var(--surface-2); color: var(--text); text-decoration: none; }
.nav-link.active { background: var(--primary-soft); color: var(--primary); font-weight: 500; }
.sidebar-foot { padding: 10px 16px; font-size: 11px; color: var(--muted); border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: var(--topbar); display: flex; align-items: center; gap: 12px; padding: 0 24px;
  background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.topbar .burger { display: none; }
.crumbs { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; min-width: 0; }
.crumbs a { color: var(--text-2); }
.crumbs .icon { color: var(--border-strong); }
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.search-trigger {
  display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 12px; min-width: 240px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--muted); cursor: pointer; font: inherit;
}
.kbd { font-size: 11px; border: 1px solid var(--border); border-radius: 4px; padding: 0 5px; margin-left: auto; }
.content { padding: 24px; max-width: 1480px; width: 100%; }
.content.narrow { max-width: 880px; }

/* ---------- page header ---------- */
.page-head { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap; }
.page-head h1 { display: flex; align-items: center; gap: 10px; }
.page-head .count { font-size: 13px; color: var(--muted); font-weight: 400; }
.page-actions { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; height: 34px; padding: 0 14px;
  border-radius: var(--radius-sm); border: 1px solid var(--border-strong); background: var(--surface); color: var(--text);
  font: inherit; font-weight: 500; cursor: pointer; white-space: nowrap; text-decoration: none !important;
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { color: var(--bad); border-color: var(--border-strong); }
.btn-danger:hover { background: var(--bad-soft); }
.btn-danger-solid { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn-ghost { border-color: transparent; background: transparent; color: var(--text-2); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { height: 28px; padding: 0 10px; font-size: 13px; }
.btn-lg { height: 44px; padding: 0 20px; font-size: 15px; }
.btn-icon { width: 34px; padding: 0; }
.btn[disabled] { opacity: .5; pointer-events: none; }

/* ---------- cards ---------- */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-head { display: flex; align-items: center; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.card-head h2 { font-size: 15px; }
.card-head .page-actions { margin-left: auto; }
.card-body { padding: 16px; }
.card-body.flush { padding: 0; }
.grid { display: grid; gap: 16px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stack > * + * { margin-top: 16px; }

/* ---------- tiles ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.tile {
  display: flex; flex-direction: column; gap: 6px; padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius); color: var(--text); box-shadow: var(--shadow);
}
a.tile:hover { border-color: var(--primary); text-decoration: none; }
.tile-label { font-size: 12.5px; color: var(--text-2); display: flex; align-items: center; gap: 6px; }
.tile-value { font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tile.good .tile-value { color: var(--good); }
.tile.warn .tile-value { color: var(--warn); }
.tile.bad .tile-value { color: var(--bad); }
.launch { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 12px; }
.launch a {
  display: flex; align-items: center; gap: 10px; padding: 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text); font-weight: 500;
}
.launch a:hover { border-color: var(--primary); text-decoration: none; }
.launch .icon-box { width: 36px; height: 36px; border-radius: 9px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); }
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); margin: 24px 0 10px; font-weight: 600; }
.section-title:first-child { margin-top: 0; }

/* ---------- toolbar / filters ---------- */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.toolbar .search { position: relative; flex: 1; min-width: 220px; max-width: 420px; }
.toolbar .search .icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--muted); }
.toolbar .search input { padding-left: 34px; width: 100%; }
.toolbar .select, .toolbar .input { width: auto; min-width: 140px; }
.toolbar .period { display: flex; align-items: center; gap: 4px; }
.toolbar .period .input { min-width: 0; width: 148px; }

/* ---------- forms ---------- */
.input, .select {
  width: 100%; height: 36px; padding: 0 10px; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--text); font: inherit; outline: none;
}
textarea.input { height: auto; padding: 8px 10px; resize: vertical; }
select.select[multiple] { height: auto; min-height: 120px; padding: 4px; }
.input:focus, .select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.checkbox { width: 18px; height: 18px; accent-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.field { display: flex; flex-direction: column; gap: 5px; min-width: 0; }
.field.wide { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 500; color: var(--text-2); }
.field .req { color: var(--bad); }
.field.check { justify-content: flex-end; padding-bottom: 8px; }
.field .check-row { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: 14px; font-weight: 400; cursor: pointer; }
.help { font-size: 12px; color: var(--muted); }
.errors { color: var(--bad); font-size: 12.5px; }
.field.has-error .input, .field.has-error .select { border-color: var(--bad); }
.form-foot { display: flex; gap: 8px; padding: 14px 16px; border-top: 1px solid var(--border); background: var(--surface-2); border-radius: 0 0 var(--radius) var(--radius); position: sticky; bottom: 0; }
.checklist { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 6px 16px; max-height: 260px; overflow: auto; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm); }
.checklist label { display: flex; gap: 8px; align-items: center; font-weight: 400; font-size: 14px; color: var(--text); cursor: pointer; }
.checklist input { width: 16px; height: 16px; accent-color: var(--primary); }

/* lookup widget */
.lookup { position: relative; }
.lookup-menu {
  position: absolute; z-index: 40; left: 0; right: 0; top: calc(100% + 4px); max-height: 280px; overflow: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
}
.lookup-menu button { display: block; width: 100%; text-align: left; padding: 8px 10px; border: 0; background: none; color: var(--text); font: inherit; cursor: pointer; }
.lookup-menu button:hover, .lookup-menu button.hl { background: var(--primary-soft); }
.lookup-menu .sub { font-size: 12px; color: var(--muted); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; }
table.table { width: 100%; border-collapse: collapse; }
.table th {
  text-align: left; font-size: 12px; font-weight: 600; color: var(--text-2); background: var(--surface-2);
  padding: 9px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; position: sticky; top: 0;
}
.table th a { color: inherit; }
.table th.right, .table td.right { text-align: right; }
.table td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: 0; }
.table tr.click { cursor: pointer; }
.table tr.click:hover td { background: var(--surface-2); }
.table tfoot td { font-weight: 600; background: var(--surface-2); border-top: 1px solid var(--border); border-bottom: 0; }
.table td.fmt-money, .table td.fmt-qty, .table td.fmt-int { font-variant-numeric: tabular-nums; white-space: nowrap; }
.table .lines-input { min-width: 90px; }
.table td .input, .table td .select { height: 32px; }
.pager { display: flex; align-items: center; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--border); color: var(--text-2); font-size: 13px; }
.pager .page-actions { margin-left: auto; }

/* ---------- detail ---------- */
.kv { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.kv-row { display: grid; grid-template-columns: 180px 1fr; gap: 12px; padding: 8px 0; border-bottom: 1px dashed var(--border); }
.kv-row dt { color: var(--text-2); }
.kv-row dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); padding: 0 12px; overflow-x: auto; }
.tabs button { border: 0; background: none; padding: 12px 10px; font: inherit; color: var(--text-2); cursor: pointer; border-bottom: 2px solid transparent; white-space: nowrap; }
.tabs button.on { color: var(--text); border-bottom-color: var(--primary); font-weight: 500; }

/* ---------- badges, alerts ---------- */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 500; background: var(--surface-2); color: var(--text-2); border: 1px solid var(--border); white-space: nowrap; }
.badge-good { background: var(--good-soft); color: var(--good); border-color: transparent; }
.badge-warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.badge-bad { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.badge-info { background: var(--info-soft); color: var(--info); border-color: transparent; }
.alert { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: var(--radius-sm); background: var(--info-soft); color: var(--info); margin-bottom: 16px; }
.alert-bad { background: var(--bad-soft); color: var(--bad); }
.alert-warn { background: var(--warn-soft); color: var(--warn); }
.alert-good { background: var(--good-soft); color: var(--good); }
.toasts { position: fixed; right: 20px; bottom: 20px; z-index: 100; display: flex; flex-direction: column; gap: 8px; }
.toast { padding: 10px 14px; border-radius: var(--radius-sm); background: var(--text); color: var(--surface); box-shadow: var(--shadow-lg); display: flex; gap: 8px; align-items: center; max-width: 420px; }
.toast.error { background: var(--bad); color: #fff; }
.empty { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 48px 16px; color: var(--muted); text-align: center; }
.check-yes { color: var(--good); }

/* ---------- overlays ---------- */
.overlay { position: fixed; inset: 0; background: rgba(16, 24, 40, .45); z-index: 60; display: flex; align-items: flex-start; justify-content: center; padding-top: 12vh; }
.palette { width: min(640px, calc(100vw - 32px)); background: var(--surface); border-radius: var(--radius); box-shadow: var(--shadow-lg); overflow: hidden; }
.palette input { border: 0; border-bottom: 1px solid var(--border); border-radius: 0; height: 52px; font-size: 16px; padding: 0 16px; box-shadow: none !important; }
.palette-results { max-height: 50vh; overflow: auto; padding: 6px; }
.palette-results a { display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 7px; color: var(--text); }
.palette-results a:hover, .palette-results a.hl { background: var(--primary-soft); text-decoration: none; }
.palette-group { font-size: 11px; text-transform: uppercase; color: var(--muted); padding: 8px 10px 4px; letter-spacing: .04em; }
.menu { position: absolute; right: 0; top: calc(100% + 6px); min-width: 220px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); padding: 6px; z-index: 50; }
.menu a, .menu button { display: flex; align-items: center; gap: 8px; width: 100%; padding: 8px 10px; border-radius: 6px; color: var(--text); background: none; border: 0; font: inherit; cursor: pointer; text-align: left; }
.menu a:hover, .menu button:hover { background: var(--surface-2); text-decoration: none; }
.menu hr { border: 0; border-top: 1px solid var(--border); margin: 6px 0; }
.rel { position: relative; }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; font-weight: 600; font-size: 13px; }

/* ---------- login ---------- */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth .card { width: min(380px, 100%); }
.auth .brand { justify-content: center; padding: 24px 0 8px; font-size: 18px; }

/* ---------- print ---------- */
/* Paper is always the light palette: the dark tokens would print grey-on-white headers and labels. */
.print-sheet {
  --bg: #ffffff; --surface: #ffffff; --surface-2: #f9fafb; --border: #e4e7ec; --border-strong: #d0d5dd;
  --text: #101828; --text-2: #475467; --muted: #98a2b3; --primary: #1f6feb; --primary-soft: #eaf2ff;
  --good: #067647; --good-soft: #ecfdf3; --warn: #b54708; --warn-soft: #fffaeb;
  --bad: #b42318; --bad-soft: #fef3f2; --info: #175cd3; --info-soft: #eff8ff;
  color-scheme: light;
  background: #fff; color: #000; padding: 24px;
}
@media print {
  :root, :root[data-theme="dark"] {
    --bg: #ffffff; --surface: #ffffff; --surface-2: #f9fafb; --border: #e4e7ec; --border-strong: #d0d5dd;
    --text: #101828; --text-2: #475467; --muted: #98a2b3; --primary: #1f6feb; --primary-soft: #eaf2ff;
    --good: #067647; --good-soft: #ecfdf3; --warn: #b54708; --warn-soft: #fffaeb;
    --bad: #b42318; --bad-soft: #fef3f2; --info: #175cd3; --info-soft: #eff8ff;
    color-scheme: light;
  }
  .sidebar, .topbar, .page-actions, .toolbar, .pager, .no-print, .toasts { display: none !important; }
  body, .content { background: #fff; padding: 0; }
  .card { border: 0; box-shadow: none; }
  .table-wrap { overflow: visible; }
  .table th { white-space: normal; position: static; }
  .table td { overflow-wrap: anywhere; }
  .table tfoot { display: table-row-group; }
}

/* ---------- mobile ---------- */
@media (max-width: 960px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 70; transform: translateX(-100%); transition: transform .2s; box-shadow: var(--shadow-lg); }
  .sidebar.open { transform: none; }
  .topbar { padding: 0 16px; }
  .topbar .burger { display: inline-flex; }
  .search-trigger { min-width: 0; }
  .search-trigger .label, .search-trigger .kbd { display: none; }
  .content { padding: 16px; }
  .grid-2, .grid-3, .grid-4, .form-grid, .kv { grid-template-columns: minmax(0, 1fr); }
  .kv-row { grid-template-columns: 130px 1fr; }
  .toolbar .search { max-width: none; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .tile { padding: 12px; }
  .tile-value { font-size: 19px; }
  .launch { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .table td, .table th { white-space: nowrap; }
}