/* ========================================
   Components — Buttons, Cards, Accordion,
   Alerts, Badges, Spinner, Icons
   ======================================== */

/* --- Icon (Material Symbols) --- */
.icon {
  font-size: 1.25em;
  vertical-align: middle;
  line-height: 1;
}

.icon--sm { font-size: 1em; }
.icon--lg { font-size: 1.5em; }

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--text-sm);
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-neutral-100);
  background: var(--color-neutral-800);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  white-space: nowrap;
  line-height: var(--leading-tight);
}

.btn:hover,
.btn:focus-visible {
  color: var(--color-primary-light);
  background: var(--color-primary-dark);
}

/* Primary */
.btn--primary {
  color: var(--color-neutral-950);
  background: var(--color-primary);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--color-primary-light);
  color: var(--color-neutral-950);
}

/* Danger */
.btn--danger {
  color: var(--color-neutral-100);
  background: var(--color-danger-bg);
}

.btn--danger:hover,
.btn--danger:focus-visible {
  color: var(--color-neutral-950);
  background: var(--color-danger-bg-hover);
}

/* Small */
.btn--sm {
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--text-xs);
}

/* Icon-only */
.btn--icon {
  padding: var(--sp-1);
  border-radius: var(--radius-md);
}

/* Ghost (transparent bg) */
.btn--ghost {
  background: transparent;
}

.btn--ghost:hover,
.btn--ghost:focus-visible {
  background: var(--color-neutral-800);
  color: var(--color-primary-light);
}

/* ============================================
   CARD
   ============================================ */
.card {
  background: var(--color-neutral-500);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.card__header {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-3) var(--sp-4);
}

.card__header a {
  color: var(--color-primary);
  transition: color var(--transition-fast);
}

.card__header a:hover {
  color: var(--color-primary-light);
}

.card__body {
  padding: var(--sp-4);
  color: var(--color-neutral-200);
  border-top: 1px solid var(--color-neutral-400);
  border-bottom: 1px solid var(--color-neutral-400);
}

.card__body h1,
.card__body h2,
.card__body h3,
.card__body h4,
.card__body h5,
.card__body h6 {
  color: var(--color-neutral-100);
}

.card__footer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--text-sm);
  color: var(--color-neutral-200);
}

.card__footer-start {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
}

.card__footer-center {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  justify-content: center;
}

.card__footer-end {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  justify-content: flex-end;
}

/* Card as link container */
.card--clickable {
  cursor: pointer;
  transition: box-shadow var(--transition-fast);
}

.card--clickable:hover {
  box-shadow: var(--shadow-md);
}

/* ============================================
   ACCORDION
   ============================================ */
.accordion {
  overflow: hidden;
}

.accordion__trigger {
  display: flex;
  align-items: center;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  background: var(--color-neutral-500);
  color: var(--color-neutral-100);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: var(--text-base);
  text-align: left;
  gap: var(--sp-2);
  transition: background var(--transition-fast);
}

.accordion__trigger:hover {
  background: var(--color-neutral-400);
}

.accordion__chevron {
  margin-left: auto;
  transition: transform var(--transition-base);
  font-size: var(--text-lg);
}

.accordion__trigger[aria-expanded="true"] .accordion__chevron {
  transform: rotate(180deg);
}

.accordion__panel {
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height var(--transition-slow), opacity var(--transition-base),
    padding var(--transition-base);
  padding: 0 var(--sp-4);
}

.accordion__panel.is-open {
  max-height: 10000px;
  opacity: 1;
  padding: var(--sp-4);
}

/* ============================================
   ALERT
   ============================================ */
.alert {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  margin-bottom: var(--sp-4);
}

.alert--success {
  color: var(--color-success);
  background: rgba(102, 231, 14, 0.1);
  border: 1px solid rgba(102, 231, 14, 0.3);
}

.alert--danger {
  color: #ff6b6b;
  background: rgba(208, 12, 12, 0.15);
  border: 1px solid rgba(208, 12, 12, 0.3);
}

.alert--info {
  color: var(--color-primary-light);
  background: rgba(190, 133, 9, 0.1);
  border: 1px solid rgba(190, 133, 9, 0.3);
}

/* ============================================
   BADGE
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: var(--sp-1) var(--sp-2);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  line-height: 1;
}

.badge--primary {
  color: var(--color-neutral-950);
  background: var(--color-primary);
}

.badge--neutral {
  color: var(--color-neutral-100);
  background: var(--color-neutral-600);
}

.badge--success {
  color: var(--color-neutral-950);
  background: var(--color-success);
}

.badge--danger {
  color: var(--color-neutral-50);
  background: var(--color-danger);
}

/* ============================================
   SPINNER
   ============================================ */
.spinner {
  width: 1.25em;
  height: 1.25em;
  border: 2px solid var(--color-neutral-400);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ============================================
   PERMISSION INDICATORS
   ============================================ */
.perm {
  color: var(--color-success);
}

.noperm {
  color: var(--color-danger);
}

/* ============================================
   Reduced motion
   ============================================ */
@media (prefers-reduced-motion: reduce) {
  .accordion__chevron,
  .accordion__panel,
  .spinner {
    transition: none;
    animation: none;
  }
}