/* ════════════════════════════════════════════════════════════
   RUNVIA — DESIGN SYSTEM v2 "Warm Operational Elegance"
   Warm cream base, switchable Teal/Cyber Grape brand accent,
   General Sans headings, Inter body, IBM Plex Mono figures.
   ════════════════════════════════════════════════════════════ */

:root {
  --bg: #FAF8F4;
  --surface: #FFFFFF;
  --border: #EDE7DD;
  --border-strong: #E2DACB;
  --ink: #1C1917;
  --body: #57534E;
  --muted: #8C8477;

  --accent: #0F6B64;
  --accent-deep: #0B4F49;
  --accent-pale: #E3EFED;

  --amber: #C2760F;
  --amber-deep: #8A5108;
  --amber-pale: #F9EEDD;
  --moss: #3F7A54;
  --moss-pale: #E7F1E9;
  --brick: #B3401F;
  --brick-deep: #8C3319;
  --brick-pale: #F8E9E3;

  --font-display: 'General Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
  --radius: 14px;
  --radius-sm: 9px;
}

[data-theme="dark"] {
  --bg: #171614;
  --surface: #211F1C;
  --border: #322F2A;
  --border-strong: #423E37;
  --ink: #F5F2EC;
  --body: #C7C0B4;
  --muted: #8C8477;

  --accent: #2DA89C;
  --accent-deep: #1D7268;
  --accent-pale: #1B2E2B;

  --amber: #E0A248;
  --amber-deep: #C97A2E;
  --amber-pale: #2E2619;
  --moss: #6BAE81;
  --moss-pale: #1C2A20;
  --brick: #D97155;
  --brick-deep: #B3573A;
  --brick-pale: #2E2018;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  transition: background 0.2s ease, color 0.2s ease;
}
h1, h2, h3, h4 { font-family: var(--font-display); font-weight: 600; letter-spacing: -0.01em; color: var(--ink); }
.mono { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
:focus-visible { outline: 2.5px solid var(--accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

.container { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.eyebrow {
  font-family: var(--font-mono); font-size: 11px; font-weight: 500; letter-spacing: 1.4px;
  text-transform: uppercase; color: var(--amber); display: flex; align-items: center; gap: 8px;
}
.eyebrow::before { content: ''; width: 16px; height: 1.5px; background: var(--amber); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-body); font-weight: 600; font-size: 13.5px; padding: 11px 20px;
  border-radius: var(--radius-sm); border: none; cursor: pointer; white-space: nowrap;
  transition: transform 0.12s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-deep); }
.btn-ghost { background: transparent; color: var(--ink); border: 1.5px solid var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
/* Alias — many JS-generated modals across Payroll/Expenses reference btn-amber directly */
.btn-amber { background: var(--accent); color: white; }
.btn-amber:hover { background: var(--accent-deep); }

.card { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); }

.field { margin-bottom: 18px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--body); margin-bottom: 7px; }
.field input, .field select {
  width: 100%; padding: 11px 13px; border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  background: var(--surface); color: var(--ink); transition: border-color 0.15s ease;
}
.field input:focus, .field select:focus { border-color: var(--accent); outline: none; }
.field-hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

.alert { padding: 13px 15px; border-radius: var(--radius-sm); font-size: 13px; font-weight: 500; display: flex; gap: 10px; }
.alert-error { background: var(--brick-pale); color: var(--brick-deep); border: 1px solid var(--brick); }
.alert-success { background: var(--moss-pale); color: var(--moss); border: 1px solid var(--moss); }
.alert-pending { background: var(--amber-pale); color: var(--amber-deep); border: 1px solid var(--amber); }

.badge {
  display: inline-flex; align-items: center; gap: 6px; font-family: var(--font-mono); font-size: 10.5px;
  font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; padding: 4px 10px; border-radius: 100px;
}
.badge-pending { background: var(--amber-pale); color: var(--amber-deep); }
.badge-active { background: var(--moss-pale); color: var(--moss); }
.badge-rejected, .badge-suspended { background: var(--brick-pale); color: var(--brick-deep); }
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

.swatch-picker { display: flex; align-items: center; gap: 6px; background: var(--surface); border: 1px solid var(--border); border-radius: 100px; padding: 5px 9px; }
.swatch-btn { width: 20px; height: 20px; border-radius: 50%; border: 2px solid transparent; cursor: pointer; padding: 0; position: relative; }
.swatch-btn:hover { transform: scale(1.1); }
.swatch-btn.active { border-color: var(--ink); }
.swatch-btn.active::after { content: ''; position: absolute; inset: 3.5px; border-radius: 50%; border: 1.5px solid white; }
.theme-toggle { display: flex; align-items: center; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: 100px; padding: 4px; }
.theme-toggle button { border: none; background: transparent; padding: 5px 10px; border-radius: 100px; font-size: 11.5px; font-weight: 600; color: var(--muted); cursor: pointer; }
.theme-toggle button.active { background: var(--accent); color: white; }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 10px; }

@media (max-width: 720px) { .container { padding: 0 18px; } }