/* ============================================================
   ADMIN — Firebase-backed volunteer dashboard
   ============================================================ */

.login-screen {
  min-height: 70vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--gutter);
}
.login-card {
  max-width: 420px;
  width: 100%;
  padding: var(--space-12) var(--space-8);
  background: var(--color-card);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius-lg);
  text-align: center;
}
.login-card h1 {
  font-size: var(--fs-h1);
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}
.login-card p {
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  margin-bottom: var(--space-6);
}
.login-card input {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  text-align: center;
  letter-spacing: 0.1em;
  background: var(--color-paper);
  margin-bottom: var(--space-4);
}
.login-card input:focus { outline: none; border-color: var(--color-primary); }
.login-error {
  color: var(--color-status-out);
  font-size: var(--fs-small);
  margin-top: var(--space-3);
  min-height: 1.5em;
}

/* ---------- ADMIN DASHBOARD ---------- */
.admin-header {
  padding: var(--space-12) 0 var(--space-6);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.admin-header h1 {
  font-size: var(--fs-hero);
  color: var(--color-primary);
}
.admin-logout {
  font-size: var(--fs-small);
  color: var(--color-accent);
  text-decoration: underline;
  cursor: pointer;
}

.admin-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}
@media (max-width: 720px) { .admin-grid { grid-template-columns: 1fr; } }
.admin-stat {
  padding: var(--space-6);
  background: var(--color-card);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius-md);
}
.admin-stat__label {
  font-size: var(--fs-tiny);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-2);
}
.admin-stat__value {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-primary);
  line-height: 1;
}

.admin-section {
  padding: var(--space-8);
  background: var(--color-card);
  border: 1px solid var(--color-rule-soft);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-6);
}
.admin-section h2 {
  font-size: var(--fs-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.admin-section__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}
.admin-section__header h2 {
  margin-bottom: 0;
}
.admin-section__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.admin-section__toggle {
  min-width: 7rem;
  justify-content: center;
}
.admin-section__content[hidden] {
  display: none;
}
.admin-section p {
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  margin-bottom: var(--space-3);
  line-height: 1.6;
}
.admin-section code {
  background: var(--color-paper-deep);
  padding: 2px var(--space-2);
  border-radius: 3px;
  font-size: 0.85em;
}
.admin-section ol li, .admin-section ul li {
  margin-bottom: var(--space-2);
  color: var(--color-ink-soft);
  font-size: var(--fs-small);
  line-height: 1.6;
}

.admin-link-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
@media (max-width: 640px) { .admin-link-grid { grid-template-columns: 1fr; } }
.admin-link {
  padding: var(--space-4);
  background: var(--color-paper-deep);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--color-accent);
  font-size: var(--fs-small);
  display: block;
  transition: all var(--duration-fast) var(--ease-out);
}
.admin-link:hover { transform: translateX(2px); background: var(--color-primary-tint); border-left-color: var(--color-primary); }
.admin-link strong { display: block; color: var(--color-primary); margin-bottom: 2px; font-family: var(--font-display); font-size: 1rem; }
.admin-link span { color: var(--color-ink-muted); font-size: var(--fs-tiny); }

/* Request queue */
.request-queue {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--space-4);
}
.request-queue th, .request-queue td {
  padding: var(--space-3);
  text-align: left;
  font-size: var(--fs-small);
  border-bottom: 1px solid var(--color-rule-soft);
}
.request-queue th {
  font-size: var(--fs-tiny);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-weight: 500;
}
.btn--small {
  padding: 0.5rem 0.875rem;
  min-height: 44px;
  justify-content: center;
  white-space: nowrap;
}
.btn--small:disabled {
  cursor: wait;
  opacity: 0.55;
}
.admin-section__header .btn:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}
.request-queue__action {
  text-align: right;
}
.usage-rank {
  display: inline-grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}
.usage-table td:last-child {
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}
.quantity-fraction {
  display: inline-block;
  min-width: 3.5rem;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
}

/* ---------- ADMIN MODAL ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(26, 26, 23, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: var(--gutter);
}
.modal-backdrop.show { display: flex; }
.modal {
  background: var(--color-card);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  max-width: 560px;
  width: 100%;
  max-height: min(90vh, 820px);
  overflow-y: auto;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.25);
  animation: modal-in var(--duration-base) var(--ease-out);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal h3 {
  font-size: var(--fs-h2);
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}
.modal__field {
  margin-bottom: var(--space-4);
}
.modal__field > label {
  display: block;
  font-size: var(--fs-tiny);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
}
.modal__field--hidden {
  display: none;
}
.modal__field input:not([type="radio"]),
.modal__field select {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid var(--color-rule);
  border-radius: var(--radius-sm);
  background: var(--color-paper);
  font-size: var(--fs-small);
  font-family: inherit;
}
.modal__field input:not([type="radio"]):focus,
.modal__field select:focus {
  outline: none;
  border-color: var(--color-primary);
}
.modal__hint {
  margin-top: var(--space-2);
  color: var(--color-ink-muted);
  font-size: var(--fs-tiny);
  line-height: 1.5;
}
.modal__actions {
  display: flex;
  gap: var(--space-3);
  justify-content: flex-end;
  margin-top: var(--space-6);
}

@media (max-width: 720px) {
  .request-queue {
    display: block;
    overflow-x: auto;
  }

  .modal__actions {
    flex-direction: column-reverse;
  }

  .modal__actions .btn {
    width: 100%;
    justify-content: center;
  }
}