/* Mendeleev: mission-control theme (cognito-hub language, teal accent).
   Surface ladder + hairline borders carry all hierarchy; one accent only. */

:root {
  --canvas: #0a0b0e;
  --surface-1: #101216;
  --surface-2: #15181d;
  --surface-3: #1a1e24;
  --border: #23262c;
  --border-strong: #343841;
  --text: #f4f6f8;
  --text-2: #c9cfda;
  --muted: #8a919e;
  --faint: #5c6370;
  --accent: #2dd4bf;
  --accent-hover: #5eead4;
  --accent-ink: #052e2b;
  --up: #1a7f4b;      --up-text: #6ccf8e;
  --down: #c22b52;    --down-text: #ff5286;
  --checking: #b26a00; --checking-text: #fbad37;
  --unknown: #44464e;  --unknown-text: #8a919e;
  --sidebar-w: 220px;
  --sidebar-w-collapsed: 64px;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --serif: Georgia, "Times New Roman", serif;
}

[data-theme="light"] {
  --canvas: #fafafa;
  --surface-1: #ffffff;
  --surface-2: #f1f2f4;
  --surface-3: #e9eaee;
  --border: #ebebeb;
  --border-strong: #d5d7dc;
  --text: #171717;
  --text-2: #3d434e;
  --muted: #555b66;
  --faint: #8a919e;
  --accent: #0d9488;
  --accent-hover: #0f766e;
  --accent-ink: #ffffff;
  --up-text: #157a44;
  --down-text: #c22b52;
  --checking-text: #8a5a24;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  background: var(--canvas);
  color: var(--text);
  font: 400 14px/1.5 var(--sans);
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }

.shell { display: flex; min-height: 100vh; }

/* ---------- sidebar ---------- */

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--sidebar-w);
  background: var(--surface-1);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 16px 12px 12px;
  gap: 4px;
  overflow-y: auto;
  z-index: 20;
  transition: width .18s ease, transform .2s ease;
}

.wordmark {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 14px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .18em;
  color: var(--text);
  white-space: nowrap;
}
.wordmark .pulse {
  width: 9px; height: 9px; border-radius: 50%;
  background: var(--accent);
  flex: none;
  animation: pulse 1.8s ease-in-out infinite;
}
@keyframes pulse { 50% { opacity: .3; } }

.nav-section { margin-top: 12px; }
.nav-eyebrow {
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 0 10px 6px;
  white-space: nowrap;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  color: var(--muted);
  border-left: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.nav-item:hover { background: var(--surface-2); color: var(--text-2); }
.nav-item.active {
  background: var(--surface-2);
  color: var(--text);
  border-left-color: var(--accent);
}
.nav-label { flex: 1; overflow: hidden; text-overflow: ellipsis; }
.navbadge {
  font: 600 10px/1 var(--mono);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  border: 1px solid var(--accent);
  border-radius: 999px;
  padding: 3px 7px;
}

.sidebar-foot {
  margin-top: auto;
  padding: 12px 10px 4px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--faint);
  font: 400 11px/1.4 var(--mono);
  white-space: nowrap;
}
.foot-btns { display: flex; gap: 4px; }
.icon-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--muted);
  width: 26px; height: 26px;
  cursor: pointer;
  font-size: 13px;
  line-height: 1;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* collapsed */
.shell.collapsed .sidebar { width: var(--sidebar-w-collapsed); padding: 16px 8px 12px; }
.shell.collapsed .nav-label,
.shell.collapsed .nav-eyebrow,
.shell.collapsed .navbadge,
.shell.collapsed .wordmark span.wm-text,
.shell.collapsed .foot-host { display: none; }
.shell.collapsed .nav-item { justify-content: center; padding: 7px 0; }
.shell.collapsed .sidebar-foot { justify-content: center; }
.shell.collapsed .main { margin-left: var(--sidebar-w-collapsed); }

/* ---------- main ---------- */

.main {
  flex: 1;
  margin-left: var(--sidebar-w);
  padding: 28px 36px 64px;
  max-width: 1280px;
  transition: margin-left .18s ease;
}

.page-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.page-title { font-family: var(--serif); font-size: 24px; font-weight: 700; letter-spacing: .5px; margin: 0; }
.page-sub { color: var(--muted); margin: 4px 0 0; font-size: 13px; }
.head-right { display: flex; align-items: center; gap: 10px; }

.mt { margin-top: 16px; }
.mono-dim { font: 400 12px/1.5 var(--mono); color: var(--faint); }

/* ---------- buttons ---------- */

.btn {
  display: inline-block;
  border-radius: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  color: var(--text-2);
  cursor: pointer;
  background: none;
  font-family: var(--sans);
}
.btn:hover { border-color: var(--muted); color: var(--text); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn.danger { color: var(--down-text); border-color: var(--down); }
.btn.danger:hover { background: color-mix(in srgb, var(--down) 18%, transparent); color: var(--down-text); }
.btn.tiny { padding: 4px 9px; font-size: 12px; }
.btn:disabled { opacity: .5; cursor: default; }

/* ---------- panels + tables ---------- */

.panel {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px 0;
}
.panel h3 {
  font-family: var(--serif);
  font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase;
  color: var(--faint);
  margin: 0; padding: 12px 16px 8px;
}
.panel .p-pad { padding: 0 16px 14px; }

.fact-row {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  font: 400 12px/1.5 var(--mono);
}
.fact-row .k { color: var(--faint); }
.fact-row .v { color: var(--text-2); text-align: right; overflow-wrap: anywhere; }

.group-eyebrow {
  font-family: var(--serif);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--faint);
  margin: 26px 0 10px;
}

.grid2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.tblwrap {
  overflow-x: auto;
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left;
  font: 600 11px/1.4 var(--sans);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  padding: 11px 12px 7px;
  white-space: nowrap;
}
.tbl td { padding: 8px 12px; border-top: 1px solid var(--border); color: var(--text-2); vertical-align: middle; }
.tbl th:first-child, .tbl td:first-child { padding-left: 16px; }
.tbl th:last-child, .tbl td:last-child { padding-right: 16px; }
.tbl .num { font: 400 12px/1.5 var(--mono); text-align: right; white-space: nowrap; }
.tbl .t-title { max-width: 380px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tbl .t-title a:hover { color: var(--accent); }
.tbl .t-act { white-space: nowrap; text-align: right; }
.tbl select.in, .tbl input.in { padding: 4px 7px; font-size: 12px; }

/* ---------- forms ---------- */

.in {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 7px 9px;
  font: 400 13px/1.35 var(--sans);
  outline: none;
  width: 100%;
}
.in:focus { border-color: var(--accent); }
.in::placeholder { color: var(--faint); }
.in.mono { font-family: var(--mono); font-size: 12.5px; }
select.in { width: auto; min-width: 120px; }
textarea.in { resize: vertical; }

.formgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px 12px;
  padding: 4px 16px 14px;
}
.formgrid .wide { grid-column: 1 / -1; }
.field label {
  display: block;
  font: 600 10px/1.4 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  margin-bottom: 4px;
}
.hint { font-size: 11px; color: var(--faint); margin-top: 3px; }
.formfoot { display: flex; align-items: center; gap: 10px; padding: 2px 16px 14px; flex-wrap: wrap; }

input[type="checkbox"] { accent-color: var(--accent); }

/* ---------- banners + chips ---------- */

.banner {
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 10px 14px;
  margin: 0 0 14px;
  font-size: 13px;
  color: var(--text-2);
}
.banner.err {
  color: var(--down-text);
  border-color: var(--down);
  background: color-mix(in srgb, var(--down) 12%, transparent);
}
.banner.ok {
  color: var(--up-text);
  border-color: var(--up);
  background: color-mix(in srgb, var(--up) 12%, transparent);
}

.chip {
  display: inline-block;
  font: 600 10px/1 var(--mono);
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 4px 8px;
  white-space: nowrap;
}
.chip.info { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 60%, transparent); }
.chip.ok   { color: var(--up-text); border-color: var(--up); }
.chip.warn { color: var(--checking-text); border-color: var(--checking); }
.chip.bad  { color: var(--down-text); border-color: var(--down); }
.chip.dim  { color: var(--faint); border-color: var(--border); }
.chiprow { display: flex; flex-wrap: wrap; gap: 8px; padding: 4px 16px 14px; }

.empty {
  padding: 36px 24px;
  text-align: center;
  color: var(--muted);
  background: var(--surface-1);
  border: 1px dashed var(--border-strong);
  border-radius: 10px;
}
.empty p { margin: 0 0 14px; }
.empty .btn { margin: 0 4px; }

/* ---------- dashboard ---------- */

.tiles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}
.tile {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.tile.alert { border-color: var(--checking); }
.t-label {
  font: 600 10px/1.4 var(--mono);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--faint);
}
.t-value { font: 600 26px/1.2 var(--mono); color: var(--text); }
.t-sub { font-size: 12px; color: var(--muted); }
.t-btn { margin-top: 8px; align-self: flex-start; }

.funnel {
  display: flex;
  gap: 10px;
  align-items: flex-end;
  padding: 14px 16px 16px;
  overflow-x: auto;
}
.f-stage { flex: 1; min-width: 62px; text-align: center; }
.f-count { font: 600 15px/1 var(--mono); color: var(--text-2); }
.f-bar {
  margin: 6px auto 0;
  width: 100%;
  border-radius: 4px 4px 0 0;
  background: color-mix(in srgb, var(--accent) 28%, transparent);
  border: 1px solid color-mix(in srgb, var(--accent) 65%, transparent);
  border-bottom: 2px solid var(--accent);
}
.f-label {
  margin-top: 6px;
  font: 600 9px/1.3 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
}

.meter-wrap { padding: 2px 16px 14px; }
.meter-top { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.meter-top .m-val { font: 600 20px/1.2 var(--mono); color: var(--text); }
.meter-top .m-val.over { color: var(--down-text); }
.meter-top .m-sub { font-size: 11px; color: var(--faint); }
.meter {
  position: relative;
  height: 8px;
  background: var(--surface-3);
  border-radius: 4px;
  margin-top: 10px;
}
.meter .fill {
  position: absolute;
  left: 0; top: 0; bottom: 0;
  border-radius: 4px;
  background: var(--up-text);
  min-width: 2px;
}
.meter .fill.info { background: var(--accent); }
.meter.over .fill { background: var(--down-text); }
.meter .line {
  position: absolute;
  left: 50%; top: -4px; bottom: -4px;
  width: 2px;
  background: var(--down-text);
  opacity: .85;
}

/* ---------- approval queue ---------- */

.qbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.qbar .q-selall { display: flex; align-items: center; gap: 7px; font-size: 13px; color: var(--text-2); white-space: nowrap; cursor: pointer; }
.qbar .q-filter { flex: 1; min-width: 180px; max-width: 360px; width: auto; }

.qcard {
  background: var(--surface-1);
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 14px;
  overflow: hidden;
}
.qcard[hidden] { display: none; }
.q-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.q-left { padding: 14px 18px 16px; border-right: 1px solid var(--border); min-width: 0; }
.q-right { padding: 14px 18px 16px; display: flex; flex-direction: column; gap: 6px; min-width: 0; }

.q-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.q-check { display: flex; align-items: center; }
.q-title { font-size: 15px; font-weight: 600; margin: 10px 0 6px; overflow-wrap: anywhere; }
.q-title a:hover { color: var(--accent); }
.q-summary {
  color: var(--muted);
  font-size: 13px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.q-reason { margin-top: 8px; font-size: 12.5px; }
.q-reason summary { cursor: pointer; color: var(--faint); font: 600 11px/1.4 var(--mono); letter-spacing: .05em; text-transform: uppercase; }
.q-reason summary:hover { color: var(--muted); }
.q-reason-body {
  margin-top: 6px;
  padding: 8px 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-2);
  white-space: pre-wrap;
}
.q-need { margin-top: 6px; color: var(--muted); }
.q-contact { margin-top: 12px; display: flex; align-items: center; gap: 6px 10px; flex-wrap: wrap; font-size: 13px; }
.q-contact .q-name { font-weight: 600; }
.q-contact .q-inst { color: var(--muted); }
.q-skus { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }

.q-lab {
  font: 600 10px/1.4 var(--mono);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  margin-top: 4px;
}
.q-body { min-height: 190px; }
.q-footer-preview {
  background: var(--surface-2);
  border: 1px dashed var(--border-strong);
  border-radius: 6px;
  padding: 8px 10px;
  font: 400 11px/1.5 var(--mono);
  color: var(--faint);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.q-footnote { margin-top: 4px; font-style: italic; }

.q-foot {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface-2);
}
.q-err { color: var(--down-text); font-size: 12.5px; }
.q-when { margin-left: auto; }

/* ---------- stock bars ---------- */

.stockrow {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 9px 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
}
.stockrow .s-el { font: 600 13px/1 var(--mono); width: 34px; color: var(--text); }
.stockbar {
  flex: 1;
  height: 8px;
  background: var(--surface-3);
  border-radius: 4px;
  overflow: hidden;
  min-width: 80px;
}
.stockbar .fill { height: 100%; background: var(--accent); }
.stockrow.low .stockbar .fill { background: var(--down-text); }
.stockrow .s-nums { font: 400 12px/1.4 var(--mono); color: var(--muted); white-space: nowrap; }
.stockrow.low .s-nums { color: var(--down-text); }
.stockrow .th-in { width: 76px; padding: 4px 7px; font-size: 12px; }

/* ---------- orders ---------- */

.ord-line {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  padding: 4px 16px;
}
.ord-line select.in { flex: 1; min-width: 140px; }
.ord-line .ol-qty { width: 70px; }
.ord-line .ol-price { width: 100px; }

/* ---------- settings ---------- */

.rule-row {
  display: flex;
  gap: 10px;
  padding: 9px 16px;
  border-top: 1px solid var(--border);
  color: var(--text-2);
  font-size: 13px;
}
.rule-row .ic { flex: none; color: var(--checking-text); font-weight: 700; }
.panel.danger { border-color: color-mix(in srgb, var(--checking) 55%, var(--border)); }

.kwrow {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
  padding: 10px 16px;
  border-top: 1px solid var(--border);
}
.kwrow .kw-name { width: 160px; }
.kwrow .kw-terms { flex: 1; min-width: 220px; }
.kwrow .kw-skus { min-width: 170px; max-width: 220px; }
.kwrow .kw-side { display: flex; align-items: center; gap: 8px; }
.kwrow label.kw-active { display: flex; align-items: center; gap: 5px; font-size: 12px; color: var(--muted); white-space: nowrap; }

/* ---------- lock screen ---------- */

.lock {
  position: fixed;
  inset: 0;
  background: var(--canvas);
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
}
.lock[hidden] { display: none; }
.lock-box {
  width: min(360px, 92vw);
  background: var(--surface-1);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 30px 26px;
  text-align: center;
}
.lock-mark {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border: 2px solid var(--accent);
  border-radius: 10px;
  display: grid;
  place-items: center;
  font: 700 22px/1 var(--mono);
  color: var(--accent);
}
.lock-title {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .2em;
}
.lock-box .in { margin: 14px 0 10px; text-align: center; }
.lock-err { color: var(--down-text); font-size: 12.5px; min-height: 18px; margin: 10px 0 0; }

/* ---------- mobile ---------- */

.topbar { display: none; }
.backdrop { display: none; }

@media (max-width: 920px) {
  .q-grid { grid-template-columns: 1fr; }
  .q-left { border-right: none; border-bottom: 1px solid var(--border); }
}

@media (max-width: 768px) {
  .shell { flex-direction: column; }
  .sidebar { transform: translateX(-100%); width: 260px; }
  .shell.nav-open .sidebar { transform: translateX(0); }
  .shell.collapsed .sidebar { width: 260px; }
  .main, .shell.collapsed .main { margin-left: 0; padding: 20px 16px 48px; }

  .topbar {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--surface-1);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    font-family: var(--serif);
    font-weight: 700;
    letter-spacing: .18em;
    font-size: 14px;
  }
  .backdrop {
    position: fixed; inset: 0;
    background: rgba(0,0,0,.5);
    z-index: 15;
  }
  .shell.nav-open .backdrop { display: block; }
}

@media (min-width: 769px) {
  .shell.nav-open .backdrop { display: none; }
}