/* =====================================================================
   Temas: light (Día) · dark (Noche corporativo) · pink (Beauty)
   Uso: <html data-theme="dark">. Todo el UI lee estas variables.
   ===================================================================== */
:root, [data-theme="light"] {
  --bg: #F4F6FA; --surface: #FFFFFF; --surface-2: #EEF1F6; --text: #141821; --muted: #667085;
  --primary: #1E5EFF; --primary-soft: #E3EBFF; --on-primary: #FFFFFF;
  --border: #E1E5ED; --success: #138A4B; --danger: #C8322B; --warn: #B7791F;
  --shadow: 0 1px 2px rgba(16,24,40,.06), 0 4px 16px rgba(16,24,40,.06);
  color-scheme: light;
}
[data-theme="dark"] {
  --bg: #0A101C; --surface: #121A2B; --surface-2: #19233A; --text: #E7ECF5; --muted: #8E9AB3;
  --primary: #4C8DFF; --primary-soft: #1A2B4D; --on-primary: #FFFFFF;
  --border: #223050; --success: #34D17E; --danger: #FF6B61; --warn: #F2B544;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.35);
  color-scheme: dark;
}
[data-theme="pink"] {
  --bg: #FFF4F8; --surface: #FFFFFF; --surface-2: #FDE8F1; --text: #3B0F27; --muted: #9A6680;
  --primary: #D6136F; --primary-soft: #FCE0EC; --on-primary: #FFFFFF;
  --border: #F5D3E2; --success: #1C8A4E; --danger: #C42B3A; --warn: #C27A12;
  --shadow: 0 1px 2px rgba(120,20,70,.06), 0 6px 20px rgba(214,19,111,.08);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  transition: background .25s, color .25s;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { margin: 0 0 .5rem; line-height: 1.2; }
h2 { font-size: 1.25rem; } h3 { font-size: 1rem; }
a { color: var(--primary); }
.muted { color: var(--muted); }
.num { font-variant-numeric: tabular-nums; }

.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; box-shadow: var(--shadow); }
.stack { display: grid; gap: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.grid-2 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.spacer { flex: 1; }

label { display: grid; gap: 4px; font-size: .85rem; color: var(--muted); }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface-2);
  border: 1px solid var(--border); border-radius: 10px; padding: 9px 11px; width: 100%; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: 0; border-color: transparent; }
input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--primary); }
.check { display: flex; align-items: center; gap: 8px; color: var(--text); font-size: .95rem; }

.btn {
  font: inherit; font-weight: 600; border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  border-radius: 10px; padding: 9px 14px; cursor: pointer; transition: transform .05s, background .15s;
}
.btn:active { transform: scale(.98); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--primary); color: var(--on-primary); border-color: var(--primary); }
.btn.danger { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn.ghost { background: transparent; }
.btn.block { width: 100%; padding: 12px; }

.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .75rem; font-weight: 600; background: var(--primary-soft); color: var(--primary); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--border); }
.table th { font-size: .75rem; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); font-weight: 600; }
.table td.r, .table th.r { text-align: right; }

.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translateX(-50%); z-index: 50;
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 10px; font-weight: 600;
  box-shadow: var(--shadow); max-width: calc(100% - 32px);
}
.toast.err { background: var(--danger); color: #fff; }