/* RICO Buyers Agent — dashboard design system.
   Tokens follow the validated dataviz reference palette (references/palette.md):
   surfaces, ink, categorical 1-8, sequential blue ramp, fixed status colors. */

:root {
  color-scheme: light;
  --page:        #f9f9f7;
  --surface:     #fcfcfb;
  --surface-2:   #ffffff;
  --text:        #0b0b0b;
  --text-2:      #52514e;
  --muted:       #898781;
  --border:      #e1e0d9;
  --border-strong: rgba(11,11,11,0.10);
  --baseline:    #c3c2b7;

  --accent:      #2a78d6;
  --accent-soft: #eaf1fc;
  --accent-ink:  #ffffff;

  /* categorical (fixed order — never reassign) */
  --cat-1: #2a78d6; --cat-2: #eb6834; --cat-3: #1baf7a; --cat-4: #eda100;
  --cat-5: #e87ba4; --cat-6: #008300; --cat-7: #4a3aa7; --cat-8: #e34948;

  /* sequential blue ramp, light -> dark */
  --seq-100: #cde2fb; --seq-200: #9ec5f4; --seq-300: #6da7ec; --seq-400: #3987e5;
  --seq-500: #256abf; --seq-600: #184f95; --seq-700: #0d366b;

  /* status (fixed — never themed, never reused for series) */
  --good:     #0ca30c; --good-soft: #eafaea;
  --warning:  #b3790a; --warning-soft: #fef3da;
  --serious:  #c85a34; --serious-soft: #fdeee7;
  --critical: #d03b3b; --critical-soft: #fce9e9;

  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 2px rgba(11,11,11,.04), 0 8px 24px rgba(11,11,11,.05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --page:        #0d0d0d;
    --surface:     #1a1a19;
    --surface-2:   #202020;
    --text:        #ffffff;
    --text-2:      #c3c2b7;
    --muted:       #898781;
    --border:      #2c2c2a;
    --border-strong: rgba(255,255,255,0.10);
    --baseline:    #383835;

    --accent:      #3987e5;
    --accent-soft: #17263b;
    --accent-ink:  #ffffff;

    --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500;
    --cat-5: #d55181; --cat-6: #008300; --cat-7: #9085e9; --cat-8: #e66767;

    --good:     #0ca30c; --good-soft: #10230f;
    --warning:  #fab219; --warning-soft: #2b2210;
    --serious:  #ec835a; --serious-soft: #2b1c14;
    --critical: #e66767; --critical-soft: #2b1616;
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --page:        #0d0d0d;
  --surface:     #1a1a19;
  --surface-2:   #202020;
  --text:        #ffffff;
  --text-2:      #c3c2b7;
  --muted:       #898781;
  --border:      #2c2c2a;
  --border-strong: rgba(255,255,255,0.10);
  --baseline:    #383835;
  --accent:      #3987e5;
  --accent-soft: #17263b;
  --cat-1: #3987e5; --cat-2: #d95926; --cat-3: #199e70; --cat-4: #c98500;
  --cat-5: #d55181; --cat-6: #008300; --cat-7: #9085e9; --cat-8: #e66767;
  --good:     #0ca30c; --good-soft: #10230f;
  --warning:  #fab219; --warning-soft: #2b2210;
  --serious:  #ec835a; --serious-soft: #2b1c14;
  --critical: #e66767; --critical-soft: #2b1616;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--page); color: var(--text); font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ── App shell ─────────────────────────────────────────────────────────── */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: 216px; flex-shrink: 0; background: var(--surface); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 12px; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 4px 10px 16px; }
.brand-name { font-size: 15px; font-weight: 700; letter-spacing: -.01em; line-height: 1.25; }
.brand-tagline { font-size: 11.5px; color: var(--muted); margin-top: 3px; line-height: 1.35; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-2); text-decoration: none; font-size: 13px; font-weight: 500;
}
.nav a .ico { font-size: 14px; width: 18px; text-align: center; }
.nav a:hover { background: var(--accent-soft); color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.sidebar-foot { margin-top: auto; padding: 10px; font-size: 11px; color: var(--muted); }

.main { flex: 1; min-width: 0; padding: 22px 28px 60px; }
.container { max-width: 1180px; margin: 0 auto; }

.topbar { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; }
.topbar h1 { font-size: 21px; margin: 0; letter-spacing: -.01em; }
.topbar .sub { color: var(--muted); font-size: 13px; margin-top: 4px; max-width: 640px; }
.topbar .meta { color: var(--muted); font-size: 12.5px; text-align: right; white-space: nowrap; }

.menu-toggle { display: none; }

@media (max-width: 900px) {
  .sidebar {
    position: fixed; z-index: 40; transform: translateX(-100%); transition: transform .18s ease;
    box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .main { padding: 16px 16px 48px; }
  .menu-toggle {
    display: inline-flex; align-items: center; gap: 6px; margin-bottom: 12px;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm);
    padding: 6px 12px; font-size: 12.5px; color: var(--text); cursor: pointer;
  }
  .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.35); z-index: 30; }
  .scrim.show { display: block; }
}

/* ── Cards & layout primitives ────────────────────────────────────────── */
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 980px) { .grid, .grid.cols-3 { grid-template-columns: 1fr; } }
.full { grid-column: 1 / -1; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px 18px; margin-bottom: 16px; box-shadow: var(--shadow);
}
.card h2 { font-size: 13.5px; margin: 0 0 14px; display: flex; align-items: center; gap: 7px; font-weight: 600; }
.card h2 .count { font-weight: 400; color: var(--muted); }
.card .desc { font-size: 12px; color: var(--muted); margin: -8px 0 12px; }

.item { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 12px; margin-bottom: 8px; background: var(--surface-2); }
.item:last-child { margin-bottom: 0; }
.item-title { font-size: 13.5px; font-weight: 600; margin-bottom: 3px; }
.item-sub { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.item-msg { font-size: 12.5px; color: var(--text); background: var(--page); border: 1px dashed var(--border);
            border-radius: 6px; padding: 8px 10px; margin-bottom: 6px; white-space: pre-wrap; }
.pri1 { border-left: 3px solid var(--critical); }
.pri3 { border-left: 3px solid var(--serious); }
.pri5, .pri7 { border-left: 3px solid var(--border); }

.empty { color: var(--muted); font-size: 13px; padding: 10px 0; }

/* ── KPI stat tiles ────────────────────────────────────────────────────── */
.kpi-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 20px; }
@media (max-width: 1080px) { .kpi-row { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 620px) { .kpi-row { grid-template-columns: repeat(2, 1fr); } }
.stat-tile {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 12px 14px; box-shadow: var(--shadow); min-width: 0;
}
.stat-tile .stat-label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; font-weight: 600; }
.stat-tile .stat-value { font-size: 24px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; }
.stat-tile .stat-foot { font-size: 11.5px; color: var(--muted); margin-top: 4px; }
.stat-tile .stat-foot.up { color: var(--good); }
.stat-tile .stat-spark { margin-top: 6px; height: 26px; }

/* ── Row / controls ────────────────────────────────────────────────────── */
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
button, select, input[type=text], input[type=number], input[type=password],
input[type=datetime-local], textarea {
  font-family: inherit; font-size: 12.5px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--page); color: var(--text); padding: 7px 10px;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
button { cursor: pointer; border: 1px solid var(--border); background: var(--surface-2); font-weight: 500; }
button:hover { border-color: var(--accent); color: var(--accent); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button:disabled:hover { border-color: var(--border); color: inherit; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.primary:hover { opacity: .92; color: #fff; }
button.danger { color: var(--critical); }
button.good { color: var(--good); }
.empty-note { color: var(--muted); }

textarea { width: 100%; min-height: 110px; resize: vertical; }
table { width: 100%; border-collapse: collapse; font-size: 12.5px; margin-top: 10px; }
th, td { text-align: left; padding: 7px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; }

.form-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 10px; }
.form-row input { flex: 1; min-width: 140px; }
.phone-link { color: var(--accent); text-decoration: none; font-weight: 600; border: 1px solid var(--accent); border-radius: var(--radius-sm); padding: 3px 9px; font-size: 12.5px; }
.phone-link:hover { background: var(--accent-soft); }
.note-box { width: 100%; min-height: 50px; font-size: 12.5px; margin-top: 6px; }
.prep-box { background: var(--accent-soft); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 8px 10px; font-size: 12.5px; margin-top: 6px; white-space: pre-wrap; }

/* ── Chips & badges (status palette — always icon + label) ───────────── */
.chip { display: inline-flex; align-items: center; gap: 4px; background: var(--surface-2); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; font-size: 12.5px; color: var(--muted); }
.chip b { color: var(--text); font-weight: 700; }

.badge { display: inline-flex; align-items: center; gap: 5px; font-size: 11.5px; font-weight: 600; padding: 4px 10px; border-radius: 999px; border: 1px solid var(--border); white-space: nowrap; color: var(--text-2); }
.badge.st-good     { color: var(--good);     border-color: var(--good);     background: var(--good-soft); }
.badge.st-warning  { color: var(--warning);  border-color: var(--warning);  background: var(--warning-soft); }
.badge.st-serious  { color: var(--serious);  border-color: var(--serious);  background: var(--serious-soft); }
.badge.st-critical { color: var(--critical); border-color: var(--critical); background: var(--critical-soft); }
.badge.st-neutral  { color: var(--accent);   border-color: var(--accent);   background: var(--accent-soft); }

/* ── Toast ─────────────────────────────────────────────────────────────── */
.toast { position: fixed; bottom: 18px; right: 18px; background: var(--text); color: var(--page); padding: 9px 16px; border-radius: var(--radius-sm); font-size: 13px; opacity: 0; transition: opacity .2s; pointer-events: none; z-index: 50; box-shadow: var(--shadow); }
.toast.show { opacity: 1; }

/* ── Charts ────────────────────────────────────────────────────────────── */
.chart-wrap { position: relative; }
.chart-legend { display: flex; gap: 14px; flex-wrap: wrap; font-size: 11.5px; color: var(--text-2); margin-top: 10px; }
.chart-legend .lg-item { display: inline-flex; align-items: center; gap: 6px; }
.chart-legend .lg-swatch { width: 9px; height: 9px; border-radius: 2px; display: inline-block; }
.chart-tooltip {
  position: absolute; pointer-events: none; background: var(--text); color: var(--page);
  font-size: 11.5px; padding: 6px 9px; border-radius: 6px; white-space: nowrap; opacity: 0;
  transition: opacity .1s; transform: translate(-50%, -100%); z-index: 5; box-shadow: var(--shadow);
}
.chart-tooltip.show { opacity: 1; }
svg.chart text { fill: var(--muted); font-family: var(--font); }
svg.chart .grid-line { stroke: var(--border); stroke-width: 1; }
svg.chart .baseline { stroke: var(--baseline); stroke-width: 1; }
svg.chart .hover-target { fill: transparent; cursor: pointer; }
.empty-chart { color: var(--muted); font-size: 13px; padding: 32px 0; text-align: center; }