/* ─────────────────────────────────────────────────────────────
   Euge Client Portal — prototype stylesheet
   Tokens copied 1:1 from client-portal/src/styles/tokens.css
   (Warm Cream x Sage Green, IBM Plex Sans / Mono).
   Plain CSS, no build step, works over file://.
   ───────────────────────────────────────────────────────────── */

:root {
  /* brand — sage green */
  --brand-900: #1F2A0E;
  --brand-800: #2A3815;
  --brand-700: #4A5D23;
  --brand-600: #5A7029;
  --brand-500: #6B8431;
  --brand-300: #A9BA84;
  --brand-200: #C9D4AE;
  --brand-100: #E8EFD8;
  --brand-50:  #F1F6E5;

  /* accent — lime spark */
  --accent-500: #CAF88F;
  --accent-100: #E5FBC9;
  --accent-fg:  #1A2310;

  /* ink — warm neutrals */
  --ink-900: #1C3035;
  --ink-800: #243B40;
  --ink-700: #4D6040;
  --ink-600: #5C7050;
  --ink-500: #8FA882;
  --ink-400: #A8B89E;
  --ink-300: #C8D2BC;
  --ink-200: #E5DFD0;
  --ink-100: #EDF0E8;
  --ink-50:  #F9F7F2;

  --paper: #FFFFFF;

  /* status */
  --amber-700: #B45309;  --amber-100: #FBF1E0;
  --red-700:   #DC2626;  --red-100:   #FEE2E2;
  --blue-700:  #1E40AF;  --blue-100:  #DBEAFE;
  --violet-700:#5B21B6;  --violet-100:#EDE9FE;

  --r-sm: 8px;  --r-md: 12px;  --r-lg: 16px;  --r-full: 9999px;

  --shadow-sm: 0 2px 12px rgba(74,93,35,.07), 0 1px 3px rgba(74,93,35,.05);
  --shadow-md: 0 4px 20px rgba(74,93,35,.10), 0 1px 4px rgba(74,93,35,.06);
  --shadow-lg: 0 12px 40px rgba(74,93,35,.14), 0 2px 8px rgba(74,93,35,.06);

  --font-sans: 'IBM Plex Sans', 'SF Pro Text', -apple-system, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SF Mono', ui-monospace, monospace;

  --sidebar-w: 236px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  background: var(--ink-50);
  color: var(--ink-900);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

:focus-visible {
  outline: 2px solid var(--brand-500);
  outline-offset: 2px;
}

/* ── shell ─────────────────────────────────────────────────── */

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

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--paper);
  border-right: 1px solid var(--ink-200);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}

.sb-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 16px 16px 15px;
  border-bottom: 1px solid var(--ink-100);
}
.sb-mark {
  width: 34px; height: 34px; flex: 0 0 34px;
  border-radius: var(--r-sm);
  background: var(--brand-700);
  color: var(--accent-500);
  display: grid; place-items: center;
  font-size: 15px; font-weight: 700;
}
.sb-brand-name { font-size: 14px; font-weight: 600; color: var(--ink-900); line-height: 1.25; }
.sb-brand-id { font-family: var(--font-mono); font-size: 11px; color: var(--ink-500); }

.sb-nav { flex: 1; overflow-y: auto; padding: 14px 10px 20px; }
.sb-group + .sb-group { margin-top: 18px; }
.sb-group-title {
  font-size: 10px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-400);
  padding: 0 8px; margin-bottom: 6px;
}
.sb-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 8px; border-radius: var(--r-sm);
  font-size: 13.5px; color: var(--ink-700);
  margin-bottom: 1px;
}
.sb-item svg { color: var(--ink-500); flex: 0 0 auto; }
.sb-item:hover { background: var(--ink-100); color: var(--ink-900); }
.sb-item.is-active { background: var(--brand-100); color: var(--brand-800); font-weight: 600; }
.sb-item.is-active svg { color: var(--brand-700); }

.sb-foot {
  border-top: 1px solid var(--ink-100);
  padding: 10px 14px;
  color: var(--ink-400);
}

.body-col { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: 56px; flex: 0 0 56px;
  background: var(--paper);
  border-bottom: 1px solid var(--ink-200);
  display: flex; align-items: center; justify-content: flex-end;
  gap: 14px; padding: 0 22px;
}
.tb-icon { color: var(--ink-500); display: grid; place-items: center; }
.tb-avatar {
  width: 30px; height: 30px; border-radius: var(--r-full);
  background: var(--brand-700); color: var(--accent-500);
  display: grid; place-items: center; font-size: 12px; font-weight: 600;
}

main { flex: 1; overflow-y: auto; }

.page { padding: 24px 32px 64px; max-width: 1240px; }

.page-header { margin-bottom: 20px; }
.page-title {
  margin: 0 0 4px;
  font-size: 24px; font-weight: 600; line-height: 1.2;
  letter-spacing: -.02em; color: var(--ink-900);
}
.page-subtitle {
  margin: 0; max-width: 60ch;
  font-size: 13px; line-height: 1.5; color: var(--ink-500);
}

/* ── grid ──────────────────────────────────────────────────── */

.grid-2 { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 1024px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.col-span-all { grid-column: 1 / -1; }

/* ── card ──────────────────────────────────────────────────── */

.card {
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--ink-100);
}
.card-title { margin: 0; font-size: 14px; font-weight: 600; color: var(--ink-900); white-space: nowrap; }
.card-sub { margin: 3px 0 0; font-size: 12px; color: var(--ink-500); }
.card-body { padding: 18px; }
.card-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 13px 18px;
  border-top: 1px solid var(--ink-100);
  background: var(--ink-50);
  flex-wrap: wrap;
}

/* ── key / value ───────────────────────────────────────────── */

.kv-grid { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 640px) { .kv-grid { grid-template-columns: 1fr 1fr; } }
.kv-grid .span-2 { grid-column: 1 / -1; }

.kv { display: flex; flex-direction: column; gap: 2px; }
.kv .k {
  font-size: 11px; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ink-500);
}
.kv .k .k-opt { font-weight: 400; text-transform: none; letter-spacing: normal; color: var(--ink-500); }
.kv .v { font-size: 13px; font-weight: 500; color: var(--ink-900); }
.kv .v.mono { font-family: var(--font-mono); }
.kv .v.empty { color: var(--ink-400); }

.kv-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.kv-row + .kv-row { margin-top: 12px; }
.kv-row .k { font-size: 13px; color: var(--ink-500); }
.kv-row .v { font-size: 13px; font-weight: 500; color: var(--ink-900); }

hr.rule { border: 0; border-top: 1px solid var(--ink-100); margin: 16px 0; }

.note { margin: 0; font-size: 12px; line-height: 1.6; color: var(--ink-500); }

/* ── badges ────────────────────────────────────────────────── */

.badge {
  display: inline-flex; align-items: center;
  border-radius: var(--r-full);
  padding: 2px 8px;
  font-size: 12px; font-weight: 500;
  background: var(--ink-100); color: var(--ink-700);
}
.badge--success { background: var(--accent-100); color: var(--accent-fg); }
.badge--warning { background: var(--amber-100); color: var(--amber-700); }
.badge--error   { background: var(--red-100);   color: var(--red-700); }
.badge--info    { background: var(--blue-100);  color: var(--blue-700); }

.pill-mono {
  border-radius: 3px;
  background: var(--brand-100);
  color: var(--brand-700);
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 10px; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
}

/* ── fields ────────────────────────────────────────────────── */

.field { display: flex; flex-direction: column; gap: 6px; }
.field-label {
  font-size: 11px; font-weight: 500; letter-spacing: .04em;
  text-transform: uppercase; color: var(--ink-500);
}
.field-hint { font-size: 11px; line-height: 1.5; color: var(--ink-500); }
.field-error { font-size: 11px; line-height: 1.5; color: var(--red-700); }

.input-prefix {
  display: flex; align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--ink-200);
  border-radius: var(--r-md);
  background: var(--paper);
  max-width: 320px;
}
.input-prefix:focus-within { border-color: var(--brand-700); box-shadow: 0 0 0 3px var(--brand-100); }
.input-prefix.is-error { border-color: var(--red-700); }
.input-prefix .prefix {
  display: flex; align-items: center; justify-content: center;
  background: var(--ink-50);
  border-right: 1px solid var(--ink-200);
  padding: 0 12px;
  font-family: var(--font-mono);
  font-size: 12px; font-weight: 600; letter-spacing: .02em;
  color: var(--ink-600);
}
.input-prefix input {
  flex: 1; min-width: 0;
  border: 0; outline: none; background: transparent;
  padding: 9px 12px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
}
.input-prefix input::placeholder { color: var(--ink-400); }
.input-prefix input:disabled { cursor: not-allowed; }
.input-prefix.is-disabled { opacity: .7; background: var(--ink-50); }

/* ── buttons ───────────────────────────────────────────────── */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid transparent;
  border-radius: var(--r-md);
  padding: 8px 16px;
  font-family: inherit; font-size: 13px; font-weight: 500;
  cursor: pointer;
  transition: background-color .12s ease, color .12s ease, border-color .12s ease;
}
.btn:disabled { pointer-events: none; opacity: .4; }
.btn--primary { background: var(--accent-500); color: var(--accent-fg); }
.btn--primary:hover { background: var(--accent-100); }
.btn--secondary { background: var(--paper); border-color: var(--ink-200); color: var(--ink-900); }
.btn--secondary:hover { background: var(--ink-50); }
.btn--ghost { background: transparent; color: var(--ink-700); }
.btn--ghost:hover { background: var(--ink-100); }
.btn--sm { padding: 6px 12px; font-size: 12px; }

/* ── alerts / banners ──────────────────────────────────────── */

.banner {
  display: flex; align-items: flex-start; gap: 8px;
  border-radius: var(--r-md);
  padding: 9px 12px;
  font-size: 12.5px; line-height: 1.5;
}
.banner svg { flex: 0 0 auto; margin-top: 1px; }
.banner--success { border: 1px solid var(--brand-100); background: var(--brand-50); color: var(--brand-800); }
.banner--info    { border: 1px solid var(--ink-200);   background: var(--ink-50);   color: var(--ink-700); }
.banner--warning { border: 1px solid var(--amber-100); background: var(--amber-100); color: var(--amber-700); }

/* ── effective-value panel ─────────────────────────────────── */

.effective {
  border-radius: var(--r-md);
  border: 1px solid var(--brand-100);
  background: linear-gradient(to bottom, var(--brand-50), rgba(241,246,229,0));
  padding: 14px 16px;
}
.effective .k {
  font-size: 10px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-500);
}
.effective .v {
  margin-top: 3px;
  font-size: 20px; font-weight: 700;
  color: var(--brand-800);
  font-variant-numeric: tabular-nums;
}
.effective .why { margin-top: 5px; font-size: 11.5px; line-height: 1.55; color: var(--ink-600); }

.src-list { display: flex; flex-direction: column; gap: 0; }
.src {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  padding: 9px 0;
  border-bottom: 1px dashed var(--ink-100);
}
.src:last-child { border-bottom: 0; }
.src-k { font-size: 12.5px; color: var(--ink-600); }
.src-k small { display: block; font-size: 11px; color: var(--ink-400); }
.src-v {
  font-family: var(--font-mono); font-size: 12.5px;
  color: var(--ink-900); font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.src.is-winner .src-v { font-weight: 600; color: var(--brand-800); }
.src-tag {
  margin-left: 6px;
  font-family: var(--font-sans);
  font-size: 10px; font-weight: 600; letter-spacing: .04em; text-transform: uppercase;
  color: var(--brand-700);
}

/* ── always-tested rule strip ──────────────────────────────── */

.rule-strip {
  display: flex; gap: 10px; align-items: flex-start;
  border: 1px solid var(--ink-200);
  border-left: 3px solid var(--brand-700);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--paper);
  padding: 12px 14px;
}
.rule-strip .t { font-size: 13px; font-weight: 600; color: var(--ink-900); margin: 0 0 2px; }
.rule-strip .d { font-size: 12px; line-height: 1.6; color: var(--ink-600); margin: 0; }

/* ── role switcher (prototype only) ────────────────────────── */

.role-switch {
  position: fixed; right: 18px; bottom: 18px; z-index: 50;
  display: flex; align-items: center; gap: 8px;
  background: var(--paper);
  border: 1px solid var(--ink-200);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-md);
  padding: 7px 8px 7px 14px;
}
.role-switch label {
  font-size: 10px; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; color: var(--ink-400);
}
.role-switch select {
  font-family: var(--font-sans); font-size: 12.5px; color: var(--ink-900);
  border: 1px solid var(--ink-200); border-radius: var(--r-sm);
  background: var(--paper);
  padding: 5px 8px;
}

/* ── toast ─────────────────────────────────────────────────── */

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(10px);
  background: var(--ink-900); color: var(--ink-50);
  border-radius: var(--r-md);
  padding: 10px 16px;
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  opacity: 0; pointer-events: none;
  transition: opacity .18s ease, transform .18s ease;
  z-index: 60;
}
.toast.is-on { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ── responsive ────────────────────────────────────────────── */

@media (max-width: 1024px) {
  .sidebar { display: none; }
  .page { padding: 20px 18px 56px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* unsaved draft: the panel is a preview, not the live value */
.effective.is-preview {
  border-color: var(--amber-100);
  border-style: dashed;
  background: linear-gradient(to bottom, var(--amber-100), rgba(251,241,224,0));
}
.effective.is-preview .k { color: var(--amber-700); }
.effective.is-preview .v { color: var(--amber-700); }
.src-tag.is-off { color: var(--amber-700); }