/* ESDLC design tokens — generated from ux-design-specification.md §2 (E7-S1).
   Framework-agnostic CSS custom properties: the single source of design truth
   consumed by the served admin app shell. Light = :root, dark = [data-theme=dark]. */

:root {
  /* Color — light */
  --color-bg: #F7F8FA;
  --color-surface: #FFFFFF;
  --color-surface-2: #F1F3F5;
  --color-border: #E3E6EA;
  --color-border-strong: #CBD2D9;
  --text-primary: #1A1D21;
  --text-secondary: #4A515A;
  --text-muted: #8A929C;
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-active: #3730A3;
  --primary-fg: #FFFFFF;
  --primary-subtle: #EEF0FE;
  --accent: #0EA5A4;
  --success: #16A34A;
  --success-bg: #E7F6EC;
  --warning: #D97706;
  --warning-bg: #FEF3E2;
  --danger: #DC2626;
  --danger-hover: #B91C1C;
  --danger-bg: #FCEBEA;
  --info: #2563EB;
  --info-bg: #E8F0FE;
  --focus-ring: rgba(79, 70, 229, 0.4);
  --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
  --shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08);
  --shadow-lg: 0 12px 32px rgba(16, 24, 40, 0.12);

  /* Typography */
  --font-ui: Inter, -apple-system, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;

  /* Spacing (4px grid) */
  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px;
  --space-5: 20px; --space-6: 24px; --space-8: 32px; --space-10: 40px;
  --space-12: 48px; --space-16: 64px;

  /* Radii */
  --radius-sm: 6px; --radius-md: 8px; --radius-lg: 12px; --radius-xl: 16px;
  --radius-full: 9999px;

  /* Motion */
  --dur-fast: 120ms; --dur-base: 200ms; --dur-slow: 300ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);
  --ease-entrance: cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --color-bg: #0E1116;
  --color-surface: #161A21;
  --color-surface-2: #1E232B;
  --color-border: #2A303A;
  --color-border-strong: #3A424E;
  --text-primary: #E8EBEF;
  --text-secondary: #AEB6C1;
  --text-muted: #6E7782;
  --primary: #6366F1;
  --primary-hover: #818CF8;
  --primary-active: #A5B4FC;
  --primary-fg: #FFFFFF;
  --primary-subtle: #1E2030;
  --accent: #2DD4BF;
  --success: #22C55E;
  --success-bg: #112A1C;
  --warning: #F59E0B;
  --warning-bg: #2A2110;
  --danger: #EF4444;
  --danger-hover: #F87171;
  --danger-bg: #2A1414;
  --info: #3B82F6;
  --info-bg: #14203A;
  --focus-ring: rgba(129, 140, 248, 0.45);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.55);
}

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

/* ---- base ---- */
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--color-bg); color: var(--text-primary);
  font-family: var(--font-ui); font-size: 14px; line-height: 22px;
}
h1 { font-size: 24px; line-height: 32px; font-weight: 700; letter-spacing: -0.01em; margin: 0; }
h2 { font-size: 20px; line-height: 28px; font-weight: 600; letter-spacing: -0.01em; }
code, .mono { font-family: var(--font-mono); font-size: 13px; }
a { color: var(--primary); }

/* ---- app shell (sidebar 240px desktop, top bar < 1024px) ---- */
.shell { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--color-surface); border-right: 1px solid var(--color-border);
  padding: var(--space-6) var(--space-4); display: flex; flex-direction: column; gap: var(--space-2);
}
.brand { font-weight: 700; font-size: 16px; margin-bottom: var(--space-4); }
.nav-item {
  text-align: left; background: none; border: 0; color: var(--text-secondary);
  padding: var(--space-3); border-radius: var(--radius-md); cursor: pointer; font-size: 14px;
}
.nav-item:hover { background: var(--color-surface-2); }
.nav-item.active { background: var(--primary-subtle); color: var(--primary); font-weight: 600; }
.content { padding: var(--space-6); max-width: 1200px; }
@media (max-width: 1024px) { .shell { grid-template-columns: 1fr; } .sidebar { flex-direction: row; flex-wrap: wrap; } }

/* ---- components ---- */
.card {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: var(--space-6); margin-bottom: var(--space-6);
}
.btn {
  height: 40px; padding: 0 var(--space-4); border-radius: var(--radius-md);
  border: 0; font-size: 14px; font-weight: 600; cursor: pointer;
  background: var(--primary); color: var(--primary-fg);
  transition: background var(--dur-fast) var(--ease-standard);
}
.btn:hover { background: var(--primary-hover); }
.btn:active { background: var(--primary-active); transform: translateY(1px); }
.btn:focus-visible { outline: 3px solid var(--focus-ring); outline-offset: 1px; }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary { background: transparent; border: 1px solid var(--color-border-strong); color: var(--text-primary); }
.btn-secondary:hover { background: var(--color-surface-2); }
.btn-danger { background: var(--danger); } .btn-danger:hover { background: var(--danger-hover); }
.btn-sm { height: 32px; padding: 0 var(--space-3); font-size: 13px; }
.input {
  height: 40px; width: 100%; padding: 0 var(--space-3); border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--text-primary); font-size: 14px;
}
.input:focus-visible { outline: 0; border-color: var(--primary); box-shadow: 0 0 0 3px var(--focus-ring); }
label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: var(--space-1); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: var(--space-3); border-bottom: 1px solid var(--color-border); font-size: 14px; }
th { color: var(--text-secondary); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
tr:hover td { background: var(--color-surface-2); }
.badge { display: inline-block; padding: 2px var(--space-2); border-radius: var(--radius-full); font-size: 12px; }
.badge-active { background: var(--success-bg); color: var(--success); }
.badge-disabled { background: var(--danger-bg); color: var(--danger); }
.badge-pending { background: var(--warning-bg); color: var(--warning); }
.muted { color: var(--text-muted); }
.row { display: flex; gap: var(--space-3); align-items: flex-end; flex-wrap: wrap; }
.toast { padding: var(--space-3) var(--space-4); border-radius: var(--radius-md); margin-bottom: var(--space-4); }
.toast-err { background: var(--danger-bg); color: var(--danger); }
.toast-ok { background: var(--success-bg); color: var(--success); }