/* ==========================================================================
   BITMED — design tokens and component layer
   Single hand-maintained stylesheet, served directly from public/assets.
   No build step: no framework runtime is required for the interface.
   --------------------------------------------------------------------------
   Design rules enforced here (see outputs/BITMED-Development-and-
   Verification-Plan-v1.md):
   * Default body / navigation / table / form text is 14px, expressed as
     0.875rem against the browser default 16px root so that user font-size
     preferences and browser zoom still work.
   * Clinical text is never reduced below 14px to fit a dense screen.
   * Medical teal / blue / white palette, AA-validated contrast.
   * Colour is never the only signal: every status carries text and/or an
     icon in the markup, not only a hue.
   ========================================================================== */

/* --- 1. Inter, self-hosted, SIL OFL 1.1 (see assets/fonts/PROVENANCE.md) --- */
@font-face {
  font-family: 'Inter';
  src: url('/assets/fonts/InterVariable.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

/* --- 2. Tokens ---------------------------------------------------------- */
:root {
  /* Brand palette (proposed tokens from the plan) */
  --primary: #0f766e;          /* teal: navigation accents, primary actions */
  --primary-strong: #0b5e57;   /* teal, darkened for AA text on dark surfaces */
  --primary-soft: #e6f2f1;     /* teal tint for selected / active surfaces */
  --secondary: #1d4ed8;        /* blue: secondary actions, analytic series */
  --secondary-soft: #e5edff;

  --background: #f8fafc;       /* application canvas */
  --surface: #ffffff;          /* forms, tables, cards */
  --surface-muted: #f1f5f9;    /* table stripes, zebra, inset panels */

  --text: #0f172a;             /* body and clinical information */
  --text-secondary: #475569;   /* supporting labels */
  --text-on-primary: #ffffff;  /* text on teal surfaces */

  --border: #cbd5e1;           /* decorative separation */
  --border-strong: #94a3b8;    /* control boundaries carrying information */

  --success: #166534;
  --success-soft: #dcfce7;
  --warning: #92400e;
  --warning-soft: #fef3c7;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --info: #1d4ed8;
  --info-soft: #dbeafe;
  --neutral-soft: #e2e8f0;

  /* Neutrals for chart series (colour + always paired with a text label) */
  --chart-1: #0f766e;
  --chart-2: #1d4ed8;
  --chart-3: #9333ea;
  --chart-4: #b45309;
  --chart-5: #0284c7;

  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --text-base: 0.875rem;       /* 14px */
  --text-sm: 0.8125rem;        /* 13px — supporting metadata only, never clinical */
  --text-lg: 1rem;
  --text-xl: 1.125rem;
  --text-2xl: 1.375rem;
  --text-3xl: 1.75rem;
  --leading-base: 1.5;

  /* Elevation and shape */
  --radius-sm: 6px;
  --radius: 10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgb(15 23 42 / 0.06), 0 1px 3px rgb(15 23 42 / 0.04);
  --shadow: 0 4px 12px rgb(15 23 42 / 0.08);
  --focus-ring: 0 0 0 3px rgb(29 78 216 / 0.45);

  /* Layout */
  --sidebar-width: 16.5rem;
  --topbar-height: 3.5rem;
  --content-max: 90rem;
}

/* --- 3. Reset and base -------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: 100%;              /* user-controlled; all sizes derive from it */
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: var(--text-base);   /* 14px */
  line-height: var(--leading-base);
  color: var(--text);
  background: var(--background);
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  font-weight: 650;
  line-height: 1.25;
  color: var(--text);
}
h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }
h5 { font-size: var(--text-base); }

p { margin: 0 0 0.75rem; }
p:last-child { margin-bottom: 0; }

a { color: var(--secondary); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--primary-strong); }

img, svg { max-width: 100%; height: auto; }

hr { border: 0; border-top: 1px solid var(--border); margin: 1.25rem 0; }

:focus-visible {
  outline: 2px solid transparent;
  box-shadow: var(--focus-ring);
  border-radius: var(--radius-sm);
}

/* Visible, consistent skip link for keyboard users */
.skip-link {
  position: absolute;
  left: 0.75rem;
  top: -3rem;
  z-index: 200;
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.5rem 0.75rem;
  text-decoration: none;
  transition: top 120ms ease;
}
.skip-link:focus { top: 0.75rem; }

.visually-hidden,
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- 4. Application shell ---------------------------------------------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-width) minmax(0, 1fr);
  min-height: 100vh;
}

.app__sidebar {
  background: var(--primary-strong);
  color: var(--text-on-primary);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
}

.app__brand {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid rgb(255 255 255 / 0.16);
  color: var(--text-on-primary);
  text-decoration: none;
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: 0.01em;
}
.app__brand:hover { color: var(--text-on-primary); }
.app__brand-mark {
  display: grid;
  place-items: center;
  width: 2rem; height: 2rem;
  border-radius: var(--radius-sm);
  background: var(--text-on-primary);
  color: var(--primary-strong);
  font-size: 0.9375rem;
  font-weight: 800;
  flex: none;
}
.app__brand-sub { display: block; font-size: var(--text-sm); font-weight: 500; opacity: 0.85; }

.app__nav { padding: 0.75rem 0.5rem 1.5rem; flex: 1 1 auto; }
.app__nav-group + .app__nav-group { margin-top: 1rem; }
.app__nav-heading {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.625rem;
  color: rgb(255 255 255 / 0.78);
  font-weight: 650;
}
.app__nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4375rem 0.625rem;
  border-radius: var(--radius-sm);
  color: rgb(255 255 255 / 0.92);
  text-decoration: none;
  font-size: var(--text-base);
}
.app__nav-item-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  stroke-width: 2;
}
.app__nav-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  stroke-width: 2;
}
.app__nav-heading {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.25rem 0.625rem;
  color: rgb(255 255 255 / 0.78);
  font-weight: 650;
}
.app__nav-link:hover { background: rgb(255 255 255 / 0.12); color: var(--text-on-primary); }
.app__nav-link[aria-current="page"] {
  background: var(--text-on-primary);
  color: var(--primary-strong);
  font-weight: 650;
}
.app__nav-link svg { flex: none; }
.app__nav-badge {
  margin-left: auto;
  font-size: var(--text-sm);
  background: rgb(255 255 255 / 0.2);
  border-radius: 999px;
  padding: 0 0.375rem;
  font-weight: 650;
}
.app__nav-link[aria-current="page"] .app__nav-badge { background: var(--primary-soft); color: var(--primary-strong); }

.app__main { display: flex; flex-direction: column; min-width: 0; }

.app__topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 1rem;
  min-height: var(--topbar-height);
  padding: 0.5rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.app__topbar-title { font-size: var(--text-lg); font-weight: 650; }
.app__topbar-context { font-size: var(--text-sm); color: var(--text-secondary); }
.app__topbar-spacer { margin-left: auto; }
.app__topbar-user { text-align: right; line-height: 1.3; }
.app__topbar-user strong { display: block; font-size: var(--text-base); }
.app__topbar-user span { font-size: var(--text-sm); color: var(--text-secondary); }

.app__content {
  padding: 1.25rem 1.25rem 2.5rem;
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
}
.app__footer {
  padding: 1rem 1.25rem 2rem;
  color: var(--text-secondary);
  font-size: var(--text-sm);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.app__nav-toggle {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font: inherit;
  font-size: var(--text-base);
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 0.375rem 0.625rem;
  cursor: pointer;
}

/* --- 5. Layout helpers -------------------------------------------------- */
/* Single-column grid, not flex: a wide child (a table) used to inflate the
   flex line's cross-size, stretching every sibling and the whole page past
   the viewport on narrow screens. minmax(0, 1fr) tracks cannot inflate. */
.stack { display: grid; gap: 1.25rem; grid-template-columns: minmax(0, 1fr); }
.stack--sm { gap: 0.625rem; }
.row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem; }
.row--between { justify-content: space-between; }
.row--end { justify-content: flex-end; }
.grid { display: grid; gap: 1rem; }
.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)); }
.grid--auto { grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr)); }
.grid--main { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); align-items: start; }

.page-head { display: flex; flex-wrap: wrap; align-items: flex-start; gap: 0.75rem 1rem; }
.page-head__text { min-width: 0; }
.page-head__actions { margin-left: auto; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.lede { color: var(--text-secondary); max-width: 70ch; }

.muted, .text-muted { color: var(--text-secondary); }
.tnum { font-variant-numeric: tabular-nums; }
.small { font-size: var(--text-sm); }
.text-danger { color: var(--danger); }
.hint { color: var(--text-secondary); font-size: var(--text-sm); }

/* --- 6. Cards ---------------------------------------------------------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: baseline;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
}
.card__head h2, .card__head h3 { font-size: var(--text-lg); }
.card__head-actions { margin-left: auto; font-size: var(--text-sm); color: var(--text-secondary); }
.card__body { padding: 1rem; }
.card__body--flush { padding: 0; }
.card__foot {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--border);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  background: var(--surface-muted);
  border-radius: 0 0 var(--radius) var(--radius);
}

/* KPI tiles: value is large, label and context stay at 14px */
.kpi { display: grid; gap: 0.25rem; }
.kpi__label { font-size: var(--text-base); color: var(--text-secondary); font-weight: 600; }
.kpi__value {
  font-size: var(--text-3xl);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.kpi__unit { font-size: var(--text-lg); font-weight: 650; color: var(--text-secondary); margin-left: 0.25rem; }
.kpi__context { font-size: var(--text-sm); color: var(--text-secondary); }
.kpi__trend { font-size: var(--text-sm); font-weight: 650; }
.kpi__trend--up { color: var(--success); }
.kpi__trend--down { color: var(--danger); }
.kpi__trend--flat { color: var(--text-secondary); }

/* --- 7. Buttons -------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  line-height: 1.25;
  padding: 0.4375rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn--primary { background: var(--primary); color: var(--text-on-primary); }
.btn--primary:hover { background: var(--primary-strong); color: var(--text-on-primary); }
.btn--secondary { background: var(--secondary); color: #ffffff; }
.btn--secondary:hover { background: #1a3fae; color: #ffffff; }
.btn--outline { background: var(--surface); border-color: var(--border-strong); color: var(--text); }
.btn--outline:hover { background: var(--surface-muted); color: var(--text); }
.btn--quiet { background: transparent; color: var(--text); }
.btn--quiet:hover { background: var(--surface-muted); }
.btn--danger { background: var(--danger); color: #ffffff; }
.btn--danger:hover { background: #991b1b; color: #ffffff; }
.btn--sm { font-size: var(--text-sm); padding: 0.3125rem 0.5rem; }
.btn--block { width: 100%; justify-content: center; }
.btn[aria-disabled="true"], .btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* --- 8. Tables --------------------------------------------------------- */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}
/* Inside a card body: keep the scroll containment, drop the nested frame. */
.table-wrap--inset {
  border: 0;
  border-radius: 0;
  background: transparent;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-base);
  text-align: left;
}
table caption {
  text-align: left;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  caption-side: top;
}
th, td { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); vertical-align: top; }
thead th {
  font-size: var(--text-sm);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-secondary);
  background: var(--surface-muted);
  font-weight: 650;
  white-space: nowrap;
}
tbody tr:last-child td, tbody tr:last-child th { border-bottom: 0; }
tbody tr:nth-child(even) { background: var(--surface-muted); }
table .num { text-align: right; font-variant-numeric: tabular-nums; }
.table--compact th, .table--compact td { padding: 0.3125rem 0.625rem; }

/* --- 9. Forms --------------------------------------------------------- */
/* A class that sets `display` beats the user-agent's `[hidden]` rule, so a
   hidden field would still show. Scripts that hide a `.field` need this. */
[hidden] { display: none !important; }
.field { display: grid; gap: 0.25rem; }
.field > label, .field__label { font-weight: 600; font-size: var(--text-base); }
.field__hint { font-size: var(--text-sm); color: var(--text-secondary); }
.field__error { font-size: var(--text-sm); color: var(--danger); font-weight: 600; }
input, select, textarea, button { font-family: inherit; }
input[type="text"], input[type="email"], input[type="password"], input[type="tel"],
input[type="number"], input[type="date"], input[type="time"], input[type="datetime-local"],
input[type="search"], select, textarea {
  font-size: var(--text-base);
  line-height: 1.4;
  padding: 0.4375rem 0.5rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  width: 100%;
  max-width: 100%;
}
textarea { min-height: 5rem; resize: vertical; }
select { max-width: 22rem; }
input:disabled, select:disabled, textarea:disabled {
  background: var(--surface-muted);
  color: var(--text-secondary);
  cursor: not-allowed;
}
input[aria-invalid="true"], select[aria-invalid="true"], textarea[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 2px rgb(185 28 28 / 0.15);
}
.checkbox { display: flex; align-items: flex-start; gap: 0.5rem; font-size: var(--text-base); }
.checkbox input { width: 1rem; height: 1rem; margin-top: 0.1875rem; flex: none; }

.form-grid { display: grid; gap: 0.875rem 1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid__full { grid-column: 1 / -1; }
fieldset { border: 1px solid var(--border); border-radius: var(--radius); padding: 0.875rem 1rem 1rem; margin: 0; }
legend { font-weight: 650; padding: 0 0.375rem; font-size: var(--text-base); }

/* --- 10. Status indicators -------------------------------------------- */
/* Colour plus text plus shape; never colour alone. */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3125rem;
  font-size: var(--text-sm);
  font-weight: 650;
  line-height: 1.4;
  padding: 0.125rem 0.4375rem;
  border-radius: 999px;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge--neutral { background: var(--neutral-soft); color: #1e293b; border-color: #cbd5e1; }
.badge--success { background: var(--success-soft); color: var(--success); border-color: #86efac; }
.badge--warning { background: var(--warning-soft); color: var(--warning); border-color: #fcd34d; }
.badge--danger { background: var(--danger-soft); color: var(--danger); border-color: #fca5a5; }
/* The text colour must come from the token, not a literal: `--info` flips with
   the theme, and hardcoding the light value left every info alert and badge as
   dark navy text on a dark navy background in dark mode. */
.badge--info { background: var(--info-soft); color: var(--info); border-color: var(--info); }
.badge--primary { background: var(--primary-soft); color: var(--primary-strong); border-color: #99e6e0; }
.badge__dot { width: 0.5rem; height: 0.5rem; border-radius: 999px; background: currentColor; flex: none; }

.alert {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  padding: 0.625rem 0.875rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: var(--text-base);
}
.alert--info { background: var(--info-soft); border-color: var(--info); color: var(--info); }
.alert--success { background: var(--success-soft); border-color: #86efac; color: var(--success); }
.alert--warning { background: var(--warning-soft); border-color: #fcd34d; color: var(--warning); }
.alert--danger { background: var(--danger-soft); border-color: #fca5a5; color: var(--danger); }
.alert strong { font-weight: 700; }
.alert__icon { flex: none; font-weight: 800; }

/* --- 11. Navigation tabs / segmented controls -------------------------- */
.tabs { display: flex; flex-wrap: wrap; gap: 0.25rem; border-bottom: 1px solid var(--border); }
.tab {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  padding: 0.4375rem 0.75rem;
  border: 1px solid transparent;
  border-bottom: 2px solid transparent;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  text-decoration: none;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}
.tab:hover { color: var(--text); background: var(--surface-muted); }
.tab[aria-selected="true"], .tab[aria-current="page"] {
  color: var(--primary-strong);
  border-bottom-color: var(--primary);
  background: var(--surface);
}
.tab-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  stroke-width: 2;
}
.btn-icon {
  width: 1rem;
  height: 1rem;
  flex: none;
  stroke-width: 2;
}

/* --- 12. Charts (inline SVG) ------------------------------------------ */
.chart { display: block; width: 100%; overflow: visible; }
.chart text { font-size: 0.75rem; fill: var(--text-secondary); }
.chart .chart__label { fill: var(--text); font-weight: 600; }
.chart .chart__value { fill: var(--text); font-variant-numeric: tabular-nums; }
.chart .chart__grid { stroke: var(--border); stroke-width: 1; }
.chart .chart__axis { stroke: var(--border-strong); stroke-width: 1; }
.chart .chart__bar--1 { fill: var(--chart-1); }
.chart .chart__bar--2 { fill: var(--chart-2); }
.chart .chart__bar--3 { fill: var(--chart-3); }
.chart .chart__bar--4 { fill: var(--chart-4); }
.chart .chart__bar--5 { fill: var(--chart-5); }
.chart .chart__area { fill: rgb(15 118 110 / 0.12); }
.chart .chart__line { stroke: var(--chart-1); stroke-width: 2; fill: none; }
.chart .chart__line--2 { stroke: var(--chart-2); }
.chart .chart__dot { fill: var(--chart-1); }
.chart .chart__bar--zero { fill: var(--neutral-soft); }

.legend { display: flex; flex-wrap: wrap; gap: 0.375rem 1rem; font-size: var(--text-sm); color: var(--text-secondary); }
.legend__item { display: inline-flex; align-items: center; gap: 0.375rem; }
.legend__swatch { width: 0.75rem; height: 0.75rem; border-radius: 3px; flex: none; }
.legend__swatch--1 { background: var(--chart-1); }
.legend__swatch--2 { background: var(--chart-2); }
.legend__swatch--3 { background: var(--chart-3); }
.legend__swatch--4 { background: var(--chart-4); }
.legend__swatch--5 { background: var(--chart-5); }

/* Accessible data alternative rendered for every chart */
.data-table { font-size: var(--text-base); }
.data-table caption { font-size: var(--text-sm); }

/* --- 13. Calendar ------------------------------------------------------ */
.calendar { display: grid; gap: 1rem; }
.calendar__toolbar { display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
.calendar__range { font-weight: 650; }
.calendar__views { display: flex; gap: 0.25rem; margin-left: auto; }
.calendar__grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.calendar__dayname { background: var(--surface-muted); padding: 0.375rem 0.5rem; font-size: var(--text-sm); font-weight: 650; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.calendar__day { background: var(--surface); min-height: 6.5rem; padding: 0.375rem; display: grid; gap: 0.25rem; align-content: start; }
.calendar__day--out { background: var(--surface-muted); color: var(--text-secondary); }
.calendar__day--today { box-shadow: inset 0 0 0 2px var(--primary); }
.calendar__date { font-size: var(--text-sm); font-weight: 650; color: var(--text-secondary); }
.calendar__slot {
  display: block;
  font-size: var(--text-sm);
  text-align: left;
  padding: 0.1875rem 0.375rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  text-decoration: none;
  cursor: pointer;
}
.calendar__slot:hover { background: var(--primary-soft); }
.calendar__slot--booked { border-color: var(--primary); background: var(--primary-soft); }
.calendar__slot--unavailable { border-style: dashed; color: var(--text-secondary); background: var(--surface-muted); }
.calendar__slot--conflict { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }
.calendar__slot-time { font-weight: 700; font-variant-numeric: tabular-nums; }

/* Agenda layout used on narrow viewports (keyboard/drag-free alternative) */
.agenda { display: grid; gap: 0.625rem; }
.agenda__day { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.agenda__day-head { padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); font-weight: 650; background: var(--surface-muted); border-radius: var(--radius) var(--radius) 0 0; }
.agenda__item { display: flex; flex-wrap: wrap; gap: 0.375rem 0.75rem; padding: 0.5rem 0.75rem; border-bottom: 1px solid var(--border); align-items: baseline; }
.agenda__item:last-child { border-bottom: 0; }
.agenda__time { font-weight: 700; font-variant-numeric: tabular-nums; min-width: 4.5rem; }

/* --- 14. Lists, definitions, empty states ------------------------------ */
.stack-list { display: grid; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.stack-list > li { display: flex; flex-wrap: wrap; gap: 0.25rem 0.625rem; align-items: baseline; padding: 0.5rem 0.625rem; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--surface); }
.stack-list__meta { margin-left: auto; font-size: var(--text-sm); color: var(--text-secondary); }

dl.meta { display: grid; grid-template-columns: minmax(8rem, max-content) minmax(0, 1fr); gap: 0.3125rem 1rem; margin: 0; }
dl.meta dt { font-size: var(--text-sm); color: var(--text-secondary); font-weight: 600; }
dl.meta dd { margin: 0; }

.empty {
  display: grid;
  gap: 0.375rem;
  justify-items: start;
  padding: 1.5rem 1rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text-secondary);
}
.empty strong { color: var(--text); }
.empty--inline { padding: 0.875rem; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-muted) 25%, #e2e8f0 37%, var(--surface-muted) 63%);
  background-size: 400% 100%;
  border-radius: var(--radius-sm);
  color: transparent;
  user-select: none;
}
@media (prefers-reduced-motion: reduce) { .skeleton { animation: none; } }
.skeleton { animation: shimmer 1.4s ease-in-out infinite; }
@keyframes shimmer { 0% { background-position: 100% 50%; } 100% { background-position: 0 50%; } }

/* --- 15. Auth screens -------------------------------------------------- */
.auth { min-height: 100vh; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.auth__aside { background: var(--primary-strong); color: var(--text-on-primary); padding: 2.5rem; display: grid; align-content: center; gap: 1rem; }
.auth__aside h1 { color: var(--text-on-primary); font-size: var(--text-3xl); }
.auth__aside p { color: rgb(255 255 255 / 0.9); max-width: 46ch; }
.auth__aside ul { margin: 0; padding-left: 1.125rem; display: grid; gap: 0.375rem; }
.auth__panel { display: grid; place-items: center; padding: 2rem 1.25rem; background: var(--background); }
.auth__form { width: 100%; max-width: 24rem; display: grid; gap: 0.875rem; }
.auth__form h1 { font-size: var(--text-2xl); }

.demo-note {
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 0.75rem 0.875rem;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  display: grid;
  gap: 0.375rem;
}
.demo-note strong { color: var(--text); }

/* --- 16. Chat / Ask BITMED AI ----------------------------------------- */
.chat { display: grid; gap: 1rem; grid-template-columns: minmax(0, 1fr) minmax(0, 20rem); align-items: start; }
.chat__log { display: grid; gap: 0.875rem; }
.chat__msg { display: grid; gap: 0.25rem; padding: 0.75rem 0.875rem; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); max-width: 70ch; }
.chat__msg--user { margin-left: auto; background: var(--primary-soft); border-color: #99e6e0; }
.chat__msg-role { font-size: var(--text-sm); font-weight: 700; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.04em; }
.chat__msg-body { white-space: pre-wrap; }
.chat__msg-sources { font-size: var(--text-sm); color: var(--text-secondary); display: grid; gap: 0.25rem; }
.chat__form { display: grid; gap: 0.5rem; }

/* --- 17. Responsive ---------------------------------------------------- */
@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid--main { grid-template-columns: minmax(0, 1fr); }
  .chat { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 767px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .app__sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    width: min(var(--sidebar-width), 86vw);
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 160ms ease;
    box-shadow: var(--shadow);
  }
  .app[data-nav="open"] .app__sidebar { transform: translateX(0); }
  .app__nav-toggle { display: inline-flex; }
  .app__content { padding: 1rem 0.875rem 2rem; }
  .app__topbar { padding: 0.5rem 0.875rem; }
  .grid--2, .grid--3, .grid--4 { grid-template-columns: minmax(0, 1fr); }
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .calendar__grid { grid-template-columns: minmax(0, 1fr); }
  .calendar__dayname { display: none; }
  .calendar__day { min-height: 0; }
  .auth { grid-template-columns: minmax(0, 1fr); }
  .auth__aside { display: none; }
  dl.meta { grid-template-columns: minmax(0, 1fr); gap: 0.125rem; }
  dl.meta dd { margin-bottom: 0.5rem; }
  .page-head__actions { margin-left: 0; width: 100%; }
}

@media (max-width: 480px) {
  .app__topbar { flex-wrap: wrap; }
  .app__topbar-user { text-align: left; }
  .kpi__value { font-size: var(--text-2xl); }
}

@media print {
  .app__sidebar, .app__topbar, .app__footer { display: none; }
  .app { grid-template-columns: minmax(0, 1fr); }
  body { background: #ffffff; }
}

/* ==========================================================================
   18. Pastel workspace theme (2026 redesign)
   --------------------------------------------------------------------------
   A soft pastel layer over the medical tokens above. Nothing here removes a
   behaviour: the shell keeps every existing class hook, contrast is AA or
   better on each pastel pair, and every status still carries text or an icon
   in the markup. Colour is decorative; meaning is never colour-only.
   ========================================================================== */

:root {
  /* Compact navigation rail, matching the reference (approx. 220px). */
  --sidebar-width: 14rem;

  --p-bg: #f7f9fc;
  --p-card: #ffffff;
  --p-line: #e8ecf3;
  --p-ink: #111315;
  --p-muted: #6b7280;
  --p-hover: #f1f4f9;
  --p-lavender: #dcd8f4;
  --p-bluegreen: #d8e5e7;
  --p-lime: #e9edb9;
  --p-cyan: #ddf0f5;
  --p-accent: #6d5ae6;
  --p-accent-ink: #3b2fa0;
  --p-radius: 24px;
  --p-radius-sm: 16px;
  --p-pad: 22px;
  --p-gap: 18px;
  --p-shadow: 0 1px 2px rgb(17 19 21 / 0.05);
  --p-shadow-lg: 0 14px 34px rgb(17 19 21 / 0.12);
}

/* --- Shell: sidebar ---------------------------------------------------- */
.app__sidebar { background: var(--p-card); color: var(--p-ink); border-right: 1px solid var(--p-line); }
.app__brand { color: var(--p-ink); border-bottom: 1px solid var(--p-line); padding: 1rem 1.125rem; }
.app__brand:hover { color: var(--p-ink); }
.app__brand-mark { background: var(--p-lavender); color: var(--p-accent-ink); border-radius: 12px; }
.app__brand-sub { color: var(--p-muted); opacity: 1; }

.app__nav { padding: 1rem 0.75rem 1rem; }
.app__nav-group + .app__nav-group { margin-top: 1.25rem; }
.app__nav-heading {
  color: var(--p-muted);
  text-transform: none;
  letter-spacing: 0.01em;
  font-weight: 600;
  font-size: var(--text-sm);
  padding: 0.25rem 0.625rem 0.4rem;
}
.app__nav-link {
  color: #454a52;
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  gap: 0.625rem;
}
.app__nav-link:hover { background: var(--p-hover); color: var(--p-ink); }
.app__nav-link[aria-current="page"] { background: var(--p-lavender); color: var(--p-accent-ink); font-weight: 650; }
.app__nav-link[aria-current="page"]:hover { background: var(--p-lavender); color: var(--p-accent-ink); }
.app__nav-badge { background: var(--p-hover); color: var(--p-muted); }
.app__nav-link[aria-current="page"] .app__nav-badge { background: rgb(59 47 160 / 0.14); color: var(--p-accent-ink); }

.app__sidebar-foot { margin-top: auto; padding: 0.75rem; border-top: 1px solid var(--p-line); }
.theme-toggle {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  width: 100%;
  font: inherit;
  font-size: var(--text-base);
  font-weight: 600;
  color: #454a52;
  background: var(--p-hover);
  border: 1px solid var(--p-line);
  border-radius: 999px;
  padding: 0.5rem 0.75rem;
  cursor: pointer;
}
.theme-toggle:hover { background: var(--p-bg); color: var(--p-ink); }
.theme-toggle[aria-pressed="true"] { background: var(--p-lavender); color: var(--p-accent-ink); }

/* --- Shell: top bar ---------------------------------------------------- */
.app__topbar {
  gap: 0.75rem;
  padding: 0.625rem 1.25rem;
  background: var(--p-card);
  border-bottom: 1px solid var(--p-line);
}
.topbar-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 18rem;
  max-width: 30rem;
  background: var(--p-bg);
  border: 1px solid var(--p-line);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
}
.topbar-search:focus-within { border-color: var(--p-accent); box-shadow: 0 0 0 3px rgb(109 90 230 / 0.18); }
.topbar-search__icon { width: 1rem; height: 1rem; color: var(--p-muted); flex: none; }
.topbar-search input {
  border: 0;
  background: transparent;
  padding: 0.15rem 0;
  width: 100%;
  max-width: none;
}
.topbar-search input:focus-visible { outline: none; box-shadow: none; }
.topbar-search--disabled { color: var(--p-muted); }
.topbar-search__placeholder { font-size: var(--text-sm); color: var(--p-muted); }

.topbar-actions { display: flex; align-items: center; gap: 0.5rem; }
.icon-btn {
  width: 2.5rem;
  height: 2.5rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  border: 1px solid var(--p-line);
  background: var(--p-card);
  color: #454a52;
  text-decoration: none;
  cursor: pointer;
  position: relative;
}
.icon-btn:hover { background: var(--p-hover); color: var(--p-ink); text-decoration: none; }
.icon-btn__icon { width: 1.125rem; height: 1.125rem; }
.icon-btn[aria-disabled="true"], .btn[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.icon-btn[aria-disabled="true"]:hover { background: var(--p-card); color: #454a52; }

.btn--dark { background: var(--p-ink); color: #ffffff; border-radius: 999px; padding: 0.5rem 0.9rem; }
.btn--dark:hover { background: #000000; color: #ffffff; }

/* Menus: disclosure panels that work without JavaScript. */
.menu { position: relative; }
.menu > summary { list-style: none; cursor: pointer; }
.menu > summary::-webkit-details-marker { display: none; }
.menu > summary::marker { content: ''; }
.menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.5rem);
  z-index: 60;
  min-width: 14rem;
  display: grid;
  gap: 0.15rem;
  padding: 0.4rem;
  background: var(--p-card);
  border: 1px solid var(--p-line);
  border-radius: var(--p-radius-sm);
  box-shadow: var(--p-shadow-lg);
}
.menu__panel--right { right: 0; }
.menu__item {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.6rem;
  border-radius: 12px;
  color: var(--p-ink);
  text-decoration: none;
  font-size: var(--text-base);
}
.menu__item:hover { background: var(--p-hover); color: var(--p-ink); text-decoration: none; }
.menu__item--button { width: 100%; border: 0; background: none; font: inherit; text-align: left; cursor: pointer; }
.menu__icon { width: 1rem; height: 1rem; color: var(--p-muted); flex: none; }
.menu__header { display: grid; gap: 0.1rem; padding: 0.5rem 0.6rem 0.6rem; border-bottom: 1px solid var(--p-line); margin-bottom: 0.25rem; }
.menu__header strong { font-size: var(--text-base); }
.menu__header span { font-size: var(--text-sm); color: var(--p-muted); }
.menu__role { color: var(--p-accent-ink) !important; font-weight: 650; }

.user-chip {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 0;
  padding: 0.15rem;
  border-radius: 999px;
}
.user-avatar {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  background: var(--p-lavender);
  color: var(--p-accent-ink);
  font-weight: 700;
  flex: none;
}
.user-chip__meta { display: grid; line-height: 1.15; text-align: left; }
.user-chip__meta strong { font-size: var(--text-base); color: var(--p-ink); }
.user-chip__meta span { font-size: var(--text-sm); color: var(--p-muted); }
.user-chip__caret { width: 1rem; height: 1rem; color: var(--p-muted); }

/* --- Dashboard: greeting and cards ------------------------------------ */
.dash { gap: var(--p-gap); }
.dash__greeting h1 { letter-spacing: -0.01em; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--p-gap); }
.metric {
  display: grid;
  gap: 0.75rem;
  padding: var(--p-pad);
  background: var(--p-card);
  border: 1px solid var(--p-line);
  border-radius: var(--p-radius);
  box-shadow: var(--p-shadow);
}
.metric__top { display: flex; align-items: center; gap: 0.625rem; }
.metric__icon { display: grid; place-items: center; width: 2.5rem; height: 2.5rem; border-radius: 14px; }
.metric__icon svg { width: 1.25rem; height: 1.25rem; }
.metric--lavender .metric__icon { background: var(--p-lavender); color: var(--p-accent-ink); }
.metric--bluegreen .metric__icon { background: var(--p-bluegreen); color: #20565c; }
.metric--lime .metric__icon { background: var(--p-lime); color: #555a1c; }
.metric--cyan .metric__icon { background: var(--p-cyan); color: #1d4b59; }
.metric__label { font-weight: 650; }
.metric__menu { margin-left: auto; }
.metric__value { font-size: 2rem; font-weight: 750; line-height: 1.05; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.metric__value small { font-size: var(--text-lg); font-weight: 600; color: var(--p-muted); margin-left: 0.2rem; }
.metric__context { font-size: var(--text-sm); color: var(--p-muted); }
.metric__foot { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.metric__note { font-size: var(--text-sm); color: var(--p-muted); }

.trend { display: inline-flex; align-items: center; gap: 0.3rem; font-size: var(--text-sm); font-weight: 650; padding: 0.1rem 0.5rem; border-radius: 999px; border: 1px solid transparent; }
.trend__icon { width: 0.9rem; height: 0.9rem; }
.trend--up { background: #e6f6ec; color: #166534; border-color: #b7e4c7; }
.trend--down { background: #fdecec; color: #b91c1c; border-color: #f7c5c5; }
.trend--flat { background: var(--p-bg); color: var(--p-muted); border-color: var(--p-line); }

/* --- Dashboard: panels ------------------------------------------------- */
.dash__main { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); gap: var(--p-gap); align-items: stretch; }
.dash-lower { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--p-gap); }

.panel {
  display: grid;
  gap: 1rem;
  padding: var(--p-pad);
  background: var(--p-card);
  border: 1px solid var(--p-line);
  border-radius: var(--p-radius);
  box-shadow: var(--p-shadow);
}
.panel__head { display: flex; align-items: flex-start; gap: 0.75rem; flex-wrap: wrap; }
.panel__title { font-size: var(--text-xl); }
.panel__sub { font-size: var(--text-sm); color: var(--p-muted); }
.panel__actions { margin-left: auto; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }

.panel--health { position: relative; overflow: hidden; border-color: transparent; background: linear-gradient(135deg, #ddf0f5 0%, #dcd8f4 38%, #fdf4e7 70%, #fbe3dc 100%); }
.health-illustration { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.health-illustration svg { width: min(58%, 20rem); height: auto; color: #2f4a55; opacity: 0.9; }
.health-content { position: relative; display: grid; gap: 1rem; align-content: space-between; min-height: 20rem; }
.health-cards { display: grid; gap: 0.75rem; grid-template-columns: repeat(2, minmax(0, 1fr)); align-content: end; }
.health-card { display: grid; gap: 0.35rem; padding: 0.75rem 0.875rem; background: rgb(255 255 255 / 0.88); border: 1px solid rgb(255 255 255 / 0.7); border-radius: var(--p-radius-sm); box-shadow: 0 6px 18px rgb(17 19 21 / 0.08); }
.health-card__label { display: flex; align-items: center; gap: 0.35rem; font-size: var(--text-sm); font-weight: 600; color: var(--p-muted); }
.health-card__label svg { width: 0.95rem; height: 0.95rem; }
.health-card__value { font-weight: 700; }
.health-card__meta { font-size: var(--text-sm); color: var(--p-muted); }
.health-vitals { display: flex; flex-wrap: wrap; gap: 0.875rem; }
.vital { display: grid; gap: 0.1rem; }
.vital__label { display: flex; align-items: center; gap: 0.3rem; font-size: var(--text-sm); color: var(--p-muted); }
.vital__label svg { width: 0.9rem; height: 0.9rem; }
.vital__value { font-weight: 700; font-variant-numeric: tabular-nums; }
.hr-badge { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0.65rem; border-radius: 999px; background: rgb(255 255 255 / 0.9); font-weight: 700; font-size: var(--text-sm); }
.hr-badge svg { width: 1rem; height: 1rem; color: #b91c1c; }

.segmented { display: inline-flex; gap: 0.15rem; padding: 0.2rem; background: var(--p-bg); border: 1px solid var(--p-line); border-radius: 999px; }
.segmented__btn { font: inherit; font-size: var(--text-sm); font-weight: 650; color: var(--p-muted); background: transparent; border: 0; border-radius: 999px; padding: 0.3rem 0.7rem; cursor: pointer; }
.segmented__btn[aria-pressed="true"] { background: var(--p-card); color: var(--p-ink); box-shadow: var(--p-shadow); }
.month-pills { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.month-pill { font: inherit; font-size: var(--text-sm); font-weight: 650; color: var(--p-muted); background: var(--p-card); border: 1px solid var(--p-line); border-radius: 999px; padding: 0.25rem 0.6rem; cursor: pointer; }
.month-pill[aria-pressed="true"] { background: var(--p-lime); border-color: #d7dd8f; color: #4b4f18; }
.revenue-summary { display: flex; flex-wrap: wrap; gap: 1.5rem; }
.revenue-stat { display: grid; gap: 0.15rem; }
.revenue-stat__label { font-size: var(--text-sm); color: var(--p-muted); }
.revenue-stat__value { font-size: var(--text-2xl); font-weight: 750; font-variant-numeric: tabular-nums; }

.gauge { width: 100%; max-width: 15rem; margin: 0 auto; display: block; }
.gauge__track { fill: none; stroke: var(--p-bg); stroke-width: 14; stroke-linecap: round; }
.gauge__value { fill: none; stroke: var(--p-accent); stroke-width: 14; stroke-linecap: round; }
.gauge__total { font-size: 1.5rem; font-weight: 750; fill: var(--p-ink); }
.gauge__caption { font-size: 0.75rem; fill: var(--p-muted); }

.breakdown { display: grid; gap: 0.5rem; }
.breakdown__row { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 0.25rem 0.5rem; align-items: center; }
.breakdown__label { font-size: var(--text-sm); }
.breakdown__value { font-size: var(--text-sm); font-weight: 700; font-variant-numeric: tabular-nums; }
.breakdown__bar { grid-column: 1 / -1; height: 0.4rem; border-radius: 999px; background: var(--p-bg); overflow: hidden; }
.breakdown__fill { height: 100%; border-radius: 999px; background: var(--p-accent); }

.schedule-list { display: grid; gap: 0.5rem; margin: 0; padding: 0; list-style: none; }
.schedule-item { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.7rem; border: 1px solid var(--p-line); border-radius: var(--p-radius-sm); }
.schedule-item__avatar { display: grid; place-items: center; width: 2.25rem; height: 2.25rem; border-radius: 999px; background: var(--p-cyan); color: #1d4b59; font-weight: 700; flex: none; }
.schedule-item__body { min-width: 0; display: grid; gap: 0.1rem; }
.schedule-item__title { font-weight: 650; }
.schedule-item__meta { font-size: var(--text-sm); color: var(--p-muted); }
.schedule-item__time { margin-left: auto; text-align: right; font-size: var(--text-sm); font-weight: 650; font-variant-numeric: tabular-nums; }

.report-list { display: grid; gap: 0.35rem; }
.report-row { display: flex; align-items: center; gap: 0.7rem; padding: 0.55rem 0.6rem; border-radius: 14px; color: var(--p-ink); text-decoration: none; }
.report-row:hover { background: rgb(255 255 255 / 0.6); color: var(--p-ink); text-decoration: none; }
.report-row__icon { display: grid; place-items: center; width: 2rem; height: 2rem; border-radius: 12px; background: rgb(255 255 255 / 0.7); color: #1d4b59; flex: none; }
.report-row__icon svg { width: 1rem; height: 1rem; }
.report-row__body { min-width: 0; }
.report-row__title { font-weight: 600; }
.report-row__meta { font-size: var(--text-sm); color: var(--p-muted); }
.report-row__chev { margin-left: auto; width: 1rem; height: 1rem; color: var(--p-muted); flex: none; }

.panel--tint-cyan { background: var(--p-cyan); border-color: transparent; }
.panel--tint-cyan .panel__sub { color: #2c5b68; }
.tint-cyan__note { color: #2c5b68; }
.panel--tint-cyan .report-row:hover { background: rgb(255 255 255 / 0.55); }
.panel--tint-cyan .empty { background: rgb(255 255 255 / 0.6); }

/* --- Dark theme -------------------------------------------------------- */
[data-theme="dark"] {
  color-scheme: dark;
  --background: #0e131a;
  --surface: #161c25;
  --surface-muted: #1e2531;
  --text: #eef1f6;
  --text-secondary: #a9b2c0;
  --text-on-primary: #06201d;
  --border: #2a3341;
  --border-strong: #3c4757;
  --primary: #2dd4bf;
  --primary-strong: #7ff0e0;
  --primary-soft: #10302c;
  --secondary: #9bb8ff;
  --secondary-soft: #17224a;
  --success: #86efac;
  --success-soft: #10281c;
  --warning: #fcd34d;
  --warning-soft: #2e2410;
  --danger: #fca5a5;
  --danger-soft: #33161a;
  --info: #93c5fd;
  --info-soft: #16264a;
  --neutral-soft: #232b38;
  --chart-1: #2dd4bf;
  --chart-2: #9bb8ff;
  --chart-3: #c4b5fd;
  --chart-4: #fcd34d;
  --chart-5: #7dd3fc;

  --p-bg: #0e131a;
  --p-card: #161c25;
  --p-line: #2a3341;
  --p-ink: #eef1f6;
  --p-muted: #a9b2c0;
  --p-hover: #1e2531;
  --p-lavender: #2c2950;
  --p-bluegreen: #1b2f33;
  --p-lime: #2c3018;
  --p-cyan: #143039;
  --p-accent: #8b7bf0;
  --p-accent-ink: #d7d2ff;
  --p-shadow: 0 1px 2px rgb(0 0 0 / 0.5);
  --p-shadow-lg: 0 14px 34px rgb(0 0 0 / 0.6);
}
[data-theme="dark"] .app__sidebar { background: var(--p-card); }
[data-theme="dark"] .app__nav-link { color: #c3cad6; }
[data-theme="dark"] .app__nav-link[aria-current="page"] { color: var(--p-accent-ink); }
[data-theme="dark"] .theme-toggle { color: #c3cad6; }
[data-theme="dark"] .icon-btn { color: #c3cad6; }
[data-theme="dark"] .icon-btn[aria-disabled="true"]:hover { color: #c3cad6; }
[data-theme="dark"] .btn--dark { background: #eef1f6; color: #111315; }
[data-theme="dark"] .btn--dark:hover { background: #ffffff; color: #111315; }
[data-theme="dark"] .badge--neutral { color: #e2e8f0; border-color: #3c4757; }
[data-theme="dark"] .badge--info { color: #dbeafe; }
[data-theme="dark"] .badge--primary { color: #c7fff5; }
[data-theme="dark"] .btn--primary { color: #06201d; }
[data-theme="dark"] .btn--secondary { color: #0b1220; }
[data-theme="dark"] .btn--danger { color: #2a0d0d; }
[data-theme="dark"] .metric__icon { color: #eaf0f7; }
[data-theme="dark"] .metric--lavender .metric__icon { color: #d7d2ff; }
[data-theme="dark"] .metric--bluegreen .metric__icon { color: #bfe7f2; }
[data-theme="dark"] .metric--lime .metric__icon { color: #e9edb9; }
[data-theme="dark"] .metric--cyan .metric__icon { color: #bfe7f2; }
[data-theme="dark"] .trend--up { background: #10281c; color: #86efac; border-color: #1d4a30; }
[data-theme="dark"] .trend--down { background: #33161a; color: #fca5a5; border-color: #4d2027; }
[data-theme="dark"] .panel--health { background: linear-gradient(135deg, #16303a 0%, #241f4a 38%, #2f2a1c 70%, #3a2420 100%); }
[data-theme="dark"] .health-illustration svg { color: #9fd2e0; }
[data-theme="dark"] .health-card { background: rgb(22 28 37 / 0.9); border-color: rgb(255 255 255 / 0.08); }
[data-theme="dark"] .hr-badge { background: rgb(22 28 37 / 0.92); }
[data-theme="dark"] .panel--tint-cyan { background: var(--p-cyan); }
[data-theme="dark"] .panel--tint-cyan .panel__sub,
[data-theme="dark"] .tint-cyan__note { color: #bfe0ea; }
[data-theme="dark"] .report-row__icon { background: rgb(255 255 255 / 0.1); color: #bfe7f2; }
[data-theme="dark"] .report-row:hover { background: rgb(255 255 255 / 0.08); }
[data-theme="dark"] .month-pill[aria-pressed="true"] { color: #e9edb9; border-color: #4a5020; }
[data-theme="dark"] .schedule-item__avatar { color: #bfe7f2; }
[data-theme="dark"] .app__brand-mark { background: var(--p-lavender); color: #d7d2ff; }
[data-theme="dark"] .user-avatar { color: #d7d2ff; }

/* --- Responsive -------------------------------------------------------- */
@media (max-width: 1180px) {
  .dash__main { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 1024px) {
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dash-lower { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .health-content { min-height: 0; }
}
@media (max-width: 900px) {
  .user-chip__meta { display: none; }
}
@media (max-width: 767px) {
  .metric-grid, .dash-lower { grid-template-columns: minmax(0, 1fr); }
  .health-cards { grid-template-columns: minmax(0, 1fr); }
  .metric__value { font-size: var(--text-2xl); }
}
@media (max-width: 640px) {
  .topbar-search { display: none; }
}
@media print {
  .theme-toggle, .topbar-actions, .topbar-search { display: none; }
}

/* --- Dashboard: structure and small utilities -------------------------- */
.health-top { position: relative; display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap; }
.panel__foot { margin: 0; font-size: var(--text-sm); color: var(--p-muted); }
.panel__foot code, .panel__foot .muted { font-size: 0.8em; }

.metric__menu {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  flex: none;
  border: 1px solid var(--p-line);
  border-radius: 999px;
  background: var(--p-card);
  color: var(--p-muted);
  text-decoration: none;
}
.metric__menu:hover { background: var(--p-hover); color: var(--p-ink); text-decoration: none; }
.metric__value--muted { color: var(--p-muted); }

.breakdown__bar { display: block; }
.breakdown__fill { display: block; }

.chart .chart__line--dashed { stroke-dasharray: 6 5; }
.chart .chart__dot--2 { fill: var(--chart-2); }

.stat-list { display: grid; gap: 0; margin: 0; padding: 0; list-style: none; }
.stat-list__row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px solid var(--p-line); }
.stat-list__row:last-child { border-bottom: 0; }
.stat-list__label { font-size: var(--text-sm); color: var(--p-muted); }
.stat-list__value { font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }

.foundation-title { font-size: var(--text-lg); margin: 0.5rem 0 0; }
.foundation-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--p-gap); }
.foundation-grid > .panel--wide { grid-column: 1 / -1; }

[data-theme="dark"] .panel--tint-cyan .empty { background: rgb(255 255 255 / 0.06); }
[data-theme="dark"] .metric__menu { color: var(--p-muted); background: var(--p-card); }

@media (max-width: 1024px) {
  .foundation-grid { grid-template-columns: minmax(0, 1fr); }
}

