/* Admin page styles. Same tokens, palette, buttons, cards and account board as the RetirementEstimator project
   (its "light" skin, with the automatic dark variant). No inline styles anywhere: the CSP only allows this file. */

:root {
  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem; --space-4: 1rem; --space-5: 1.5rem; --space-6: 2rem; --space-7: 3rem;
  --text-xs: 0.75rem; --text-sm: 0.875rem; --text-base: 1rem; --text-lg: 1.25rem; --text-xl: 1.75rem;
  --radius-sm: 8px; --radius-md: 12px; --radius-lg: 18px;
  --ring: 0 0 0 3px color-mix(in srgb, var(--accent) 32%, transparent);

  --bg: #fbf3e8; --card: #fffdf9; --ink: #201a12; --muted: #7c6f5c; --line: #ece0cd; --line-strong: #ddccae;
  --accent: #a8741a; --accent-weak: #fff6e5; --accent-ink: #ffffff; --danger: #b3382b;
  --shadow-sm: 0 1px 2px rgba(45, 26, 2, 0.05), 0 1px 3px rgba(45, 26, 2, 0.08);
  --shadow-md: 0 6px 20px rgba(45, 26, 2, 0.12);

  color-scheme: light dark;
  font-family: system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: -0.01em;
  color: var(--ink);
  background: var(--bg);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17130f; --card: #221c15; --ink: #f2ebe0; --muted: #ab9c86; --line: #362d22; --line-strong: #4a3c2c;
    --accent: #e6b955; --accent-weak: #3a2f1a; --accent-ink: #201a12; --danger: #e2685c;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 6px 22px rgba(0, 0, 0, 0.55);
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); }
h1, h2, h3, h4 { line-height: 1.2; letter-spacing: -0.025em; }
button { font: inherit; cursor: pointer; }
input { font: inherit; color: inherit; }
:where(a, button, input):focus-visible { outline: none; box-shadow: var(--ring); border-color: var(--accent); }
@media (prefers-reduced-motion: reduce) { * { transition-duration: 0.01ms !important; } }

/* primitives */
.panel { border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--card); }
.panel--tight { border-radius: var(--radius-sm); }
.stack { display: flex; flex-direction: column; }
.stack--2xs { gap: 2px; } .stack--sm { gap: var(--space-2); } .stack--md { gap: var(--space-3); } .stack--xl { gap: var(--space-5); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  border: 1px solid var(--line-strong); border-radius: var(--radius-sm); background: var(--card); color: var(--ink);
  transition: background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
.btn:hover { border-color: var(--accent); background: var(--accent-weak); color: var(--accent); }
.btn:disabled { opacity: 0.4; cursor: not-allowed; }
.btn:disabled:hover { border-color: var(--line-strong); background: var(--card); color: var(--ink); }
.btn--danger:hover { border-color: var(--danger); background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); }
.btn--icon { flex-shrink: 0; width: 2rem; height: 2rem; padding: 0; }
.btn--icon.btn--danger { background: transparent; color: var(--danger); }
.btn--sm { padding: var(--space-1) var(--space-3); font-size: var(--text-sm); font-weight: 600; }
.btn--lg { gap: var(--space-3); padding: var(--space-3) var(--space-5); font-size: var(--text-base); font-weight: 600; box-shadow: var(--shadow-sm); }

input[type='email'] {
  min-height: 2.1rem; padding: 0 var(--space-3); border: 1px solid var(--line-strong); border-radius: var(--radius-sm);
  background: var(--card); transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

/* page */
.app { max-width: 1440px; margin: 0 auto; padding: var(--space-6) var(--space-4) var(--space-7); }
.app--gate { min-height: 60vh; }
.app__header { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4); flex-wrap: wrap; }
.app__header h1 { margin: 0 0 var(--space-1); font-size: var(--text-xl); letter-spacing: -0.02em; }
.app__tagline { margin: 0; max-width: 48ch; color: var(--muted); font-size: var(--text-lg); }
.app__admin { margin-top: var(--space-6); display: grid; }

.card { min-width: 0; padding: var(--space-5); box-shadow: var(--shadow-sm); }
.card h2 { margin: 0; font-size: var(--text-lg); letter-spacing: -0.01em; }
.card h3 { margin: 0; font-size: var(--text-base); }
.card__head { display: flex; align-items: flex-start; gap: var(--space-2); justify-content: space-between; margin-bottom: var(--space-4); }
.field__hint { margin: 0; font-size: var(--text-xs); color: var(--muted); }

/* sign-in gate */
.login-gate__button { align-self: flex-start; margin-top: var(--space-6); }
.login-gate__message { margin-top: var(--space-6); max-width: 48ch; color: var(--muted); font-size: var(--text-base); }

/* user menu */
.user-menu { display: flex; align-items: center; gap: var(--space-2); padding-left: var(--space-3); border-left: 1px solid var(--line); }
.user-menu__avatar {
  display: inline-flex; align-items: center; justify-content: center; width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background: var(--accent-weak); color: var(--ink);
}
.user-menu__email { max-width: 12rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: var(--text-sm); color: var(--muted); }
.user-menu__link { border: none; background: transparent; padding: 0; color: var(--muted); font-size: var(--text-sm); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.user-menu__link:hover { color: var(--accent); }

/* admin panel */
.admin-panel__empty, .admin-panel__error { margin: 0; font-size: var(--text-sm); color: var(--muted); }
.admin-panel__error { color: var(--danger); }
.admin-panel__list { list-style: none; margin: 0; padding: 0; }
.admin-panel__row { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--space-3); padding: var(--space-3); }
.admin-panel__email, .admin-panel__date { font-size: var(--text-xs); color: var(--muted); overflow-wrap: anywhere; }
.admin-panel__pin { font-size: var(--text-xs); font-weight: 600; color: var(--muted); }
.admin-panel__preapprove-form { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.admin-panel__preapprove-form input { flex: 1; min-width: 12rem; }

.admin-board { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--space-4); }
@media (max-width: 760px) { .admin-board { grid-template-columns: 1fr; } }
.admin-column {
  display: flex; flex-direction: column; gap: var(--space-3); min-width: 0; min-height: 6rem; padding: var(--space-3);
  border: 1px dashed var(--line-strong); border-radius: var(--radius-md);
  transition: border-color 0.12s ease, background-color 0.12s ease;
}
.admin-column--over { border-style: solid; border-color: var(--accent); background: var(--accent-weak); }
.admin-column__head { display: flex; align-items: baseline; justify-content: space-between; }
.admin-column__head h4 { margin: 0; font-size: var(--text-sm); }
.admin-column__count { font-size: var(--text-xs); font-variant-numeric: tabular-nums; color: var(--muted); }
.admin-card { padding: var(--space-3); cursor: grab; }
.admin-card:active { cursor: grabbing; }
.admin-card--fixed { cursor: default; }
.admin-card__head { display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-2); }
.admin-card__head strong { overflow-wrap: anywhere; }
.admin-card__actions { display: flex; flex-wrap: wrap; gap: var(--space-2); margin-top: var(--space-1); }