/* ==========================================================================
   alerts.css — My Alerts drawer + confirm modal
   Mirrors the structure of favorites.css; same z-index tier (510/520).
   ========================================================================== */

/* ── Overlay ──────────────────────────────────────────────────────────────── */

.alerts-overlay {
  position: fixed;
  inset: 0;
  z-index: 529;
  background: rgba(0, 0, 0, 0.45);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-default);
}

.alerts-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Drawer ───────────────────────────────────────────────────────────────── */

.alerts-drawer {
  position: fixed;
  inset-inline: 0;
  bottom: 0;
  max-height: 80dvh;
  background: var(--color-surface-raised);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  box-shadow: var(--shadow-lg);
  z-index: 530;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  transform: translateY(100%);
  transition: transform var(--duration-base) var(--ease-default);
  padding-block-end: env(safe-area-inset-bottom, 0px);
  pointer-events: none;
}

.alerts-drawer.is-open {
  transform: translateY(0);
  pointer-events: auto;
}

/* ── Drag handle ──────────────────────────────────────────────────────────── */

.alerts-drawer__drag {
  flex-shrink: 0;
  width: 36px;
  height: 4px;
  background: var(--color-ink-subtle);
  border-radius: var(--radius-full);
  align-self: center;
  margin-block-start: var(--space-3);
}

/* ── Header ───────────────────────────────────────────────────────────────── */

.alerts-drawer__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-5) var(--space-3);
}

.alerts-drawer__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-ink-strong);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.alerts-drawer__title .fa-bell { color: var(--color-primary); }

.alerts-drawer__close {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-sunken);
  color: var(--color-ink-muted);
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--duration-fast);
}
.alerts-drawer__close:hover,
.alerts-drawer__close:focus-visible {
  background: var(--color-primary-soft);
}

/* ── List ─────────────────────────────────────────────────────────────────── */

.alerts-drawer__list {
  flex: 1 1 auto;
  overflow-y: auto;
  overflow-x: hidden;
  padding: var(--space-2) var(--space-4) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

/* ── Alert item ───────────────────────────────────────────────────────────── */

.alert-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-sunken);
  border-radius: var(--radius-lg);
  transition: background-color var(--duration-fast);
}

.alert-item:hover { background: var(--color-primary-soft); }

.alert-item__info {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.alert-item__coords {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-ink-strong);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.alert-item__time {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.alert-item__score {
  flex-shrink: 0;
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  color: #fff;
  white-space: nowrap;
}

.alert-item__delete {
  flex-shrink: 0;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-ink-muted);
  transition: background-color var(--duration-fast), color var(--duration-fast);
}
.alert-item__delete:hover,
.alert-item__delete:focus-visible {
  background: rgba(209, 117, 117, 0.15);
  color: var(--color-error);
}

/* ── Empty state ──────────────────────────────────────────────────────────── */

.alerts-drawer__empty {
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--space-10) var(--space-6);
  gap: var(--space-3);
}

.alerts-empty__icon {
  font-size: 40px;
  line-height: 1;
  color: var(--color-ink-muted);
}

.alerts-empty__title {
  font-size: var(--text-md);
  font-weight: 600;
  color: var(--color-ink-strong);
}

.alerts-empty__prompt {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  max-width: 28ch;
}

/* ── Panel bell button ────────────────────────────────────────────────────── */

.panel-alert-btn {
  flex-shrink: 0;
  font-size: 17px;
  line-height: 1;
  padding: 2px var(--space-1);
  border-radius: var(--radius-sm);
  color: var(--color-ink-muted);
  transition: color var(--duration-fast), background-color var(--duration-fast);
}

.panel-alert-btn:hover,
.panel-alert-btn:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-ink-strong);
}

/* Active state: bell filled, primary colour */
.panel-alert-btn.is-active {
  color: var(--color-primary-solid);
}

.panel-alert-btn.is-active:hover,
.panel-alert-btn.is-active:focus-visible {
  background: var(--color-primary-soft);
  color: var(--color-primary-solid);
}

/* Loading state: spin the icon */
.panel-alert-btn.is-loading .fa-bell,
.panel-alert-btn.is-loading .fa-bell-slash {
  animation: alert-spin 0.6s linear infinite;
}

@keyframes alert-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

/* ── Confirm modal overlay ────────────────────────────────────────────────── */

.alert-confirm-overlay {
  position: fixed;
  inset: 0;
  z-index: 539;
  background: rgba(0, 0, 0, 0.50);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-default);
}

.alert-confirm-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

/* ── Confirm modal ────────────────────────────────────────────────────────── */

.alert-confirm-modal {
  position: fixed;
  inset: 0;
  z-index: 540;
  display: flex;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-default);
}

.alert-confirm-modal.is-open {
  pointer-events: auto;
  opacity: 1;
}

.alert-confirm-modal__card {
  background: var(--color-surface-raised);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: var(--space-6);
  width: min(380px, calc(100vw - var(--space-8)));
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.alert-confirm-modal__title {
  font-size: var(--text-md);
  font-weight: 700;
  color: var(--color-ink-strong);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.alert-confirm-modal__title .fa-bell { color: var(--color-primary); }

.alert-confirm-modal__message {
  font-size: var(--text-sm);
  line-height: 1.65;
  color: var(--color-ink-base);
  margin: 0;
}

.alert-confirm-modal__actions {
  display: flex;
  gap: var(--space-2);
  justify-content: flex-end;
}