/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: 0.75rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  transition: background var(--dur-base) var(--ease-expo),
    border-color var(--dur-base) var(--ease-expo),
    color var(--dur-base) var(--ease-expo),
    box-shadow var(--dur-base) var(--ease-expo);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

.btn--primary:hover {
  background: #6d28d9;
  color: var(--color-on-primary);
  box-shadow: 0 0 28px rgba(124, 58, 237, 0.4);
}

.btn--accent {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.btn--accent:hover {
  background: var(--color-accent-hover);
  color: var(--color-on-accent);
  box-shadow: 0 0 28px rgba(244, 63, 94, 0.4);
}

.btn--secondary {
  background: transparent;
  color: var(--color-secondary);
  border-color: var(--color-primary);
}

.btn--secondary:hover {
  background: rgba(124, 58, 237, 0.14);
  color: var(--color-foreground);
}

.btn--ghost {
  background: var(--color-muted);
  color: var(--color-foreground);
  border-color: var(--color-border-soft);
}

.btn--ghost:hover {
  background: var(--color-surface-raised);
  color: var(--color-foreground);
}

.btn--success {
  background: rgba(52, 211, 153, 0.16);
  color: #6ee7b7;
  border-color: rgba(52, 211, 153, 0.45);
}

.btn--success:hover {
  background: rgba(52, 211, 153, 0.28);
  color: #a7f3d0;
}

.btn--danger {
  background: rgba(239, 68, 68, 0.16);
  color: #fca5a5;
  border-color: rgba(239, 68, 68, 0.45);
}

.btn--danger:hover {
  background: rgba(239, 68, 68, 0.28);
  color: #fecaca;
}

.btn--block {
  width: 100%;
}

.lang-switch {
  min-width: 2.9rem;
  padding-inline: 0.6rem;
  letter-spacing: 0.06em;
}

.btn.is-loading {
  pointer-events: none;
  opacity: 0.75;
}

.btn.is-loading::after {
  content: "";
  width: 0.85em;
  height: 0.85em;
  margin-left: 0.35rem;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 0.7s linear infinite;
}

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

.btn__note {
  font-size: 0.7rem;
  font-weight: 600;
  opacity: 0.75;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.btn[disabled] {
  opacity: 0.45;
  cursor: not-allowed;
  box-shadow: none;
}

/* Karten */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
}

.card--interactive {
  cursor: pointer;
  text-align: left;
  color: inherit;
  font: inherit;
  width: 100%;
  transition: border-color var(--dur-base) var(--ease-expo),
    box-shadow var(--dur-base) var(--ease-expo);
}

.card--interactive:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-sm);
  background: rgba(124, 58, 237, 0.16);
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.card__icon svg {
  width: 22px;
  height: 22px;
}

.card p:last-child {
  margin-bottom: 0;
}

/* Badges */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-pill);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--accent {
  background: var(--color-accent);
  color: var(--color-on-accent);
}

.badge--soft {
  background: rgba(124, 58, 237, 0.18);
  color: var(--color-secondary);
  border: 1px solid var(--color-border-soft);
  text-transform: none;
  letter-spacing: 0.02em;
}

.badge--status {
  background: rgba(52, 211, 153, 0.14);
  color: var(--color-success);
  border: 1px solid rgba(52, 211, 153, 0.35);
  text-transform: none;
  letter-spacing: 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
}

/* Formularelemente – aktuell über native Controls + .calc__* Styles abgedeckt */