/* =========================================================
   Cards
========================================================= */

.card {
  position: relative;
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xs);
  transition:
    border-color var(--transition-normal),
    box-shadow var(--transition-normal),
    transform var(--transition-normal);
}

.card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-sm);
}

.card--elevated {
  border-color: transparent;
  box-shadow: var(--shadow-md);
}

.card__header,
.card__body,
.card__footer {
  padding: var(--space-6);
}

.card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.card__title {
  margin-bottom: var(--space-1);
  font-size: var(--font-size-xl);
}

.card__description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

/* =========================================================
   Buttons
========================================================= */

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.button svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.button:hover {
  transform: translateY(-1px);
}

.button:active {
  transform: scale(0.98);
}

.button:focus-visible {
  box-shadow: var(--focus-ring);
}

.button:disabled,
.button[aria-disabled="true"] {
  opacity: 0.45;
  cursor: not-allowed;
  pointer-events: none;
  transform: none;
  box-shadow: none;
}

.button--primary {
  background: var(--color-primary);
  color: var(--text-on-primary);
  box-shadow: 0 4px 12px rgba(164, 81, 42, 0.18);
}

.button--primary:hover {
  background: var(--color-primary-dark);
  box-shadow: 0 8px 20px rgba(164, 81, 42, 0.24);
}

.button--secondary {
  background: var(--color-navy);
  color: var(--color-white);
  box-shadow: 0 4px 12px rgba(16, 42, 67, 0.16);
}

.button--secondary:hover {
  background: var(--color-navy-dark);
  box-shadow: 0 8px 20px rgba(16, 42, 67, 0.22);
}

.button--outline {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--text-primary);
}

.button--outline:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.button--ghost {
  background: transparent;
  color: var(--color-primary);
}

.button--ghost:hover {
  background: var(--color-primary-soft);
}

.button--danger {
  background: var(--color-danger);
  color: var(--color-white);
}

.button--danger:hover {
  filter: brightness(0.9);
  box-shadow: 0 8px 20px rgba(180, 35, 24, 0.22);
}

.button--full {
  width: 100%;
}

.button--small {
  min-height: 38px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.button--large {
  min-height: 56px;
  padding-inline: var(--space-8);
  font-size: var(--font-size-lg);
}

/* =========================================================
   Forms
========================================================= */

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--text-primary);
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.form-label__required {
  color: var(--color-danger);
}

.form-control {
  width: 100%;
  min-height: 52px;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  outline: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.form-control::placeholder {
  color: var(--text-muted);
}

.form-control:hover {
  border-color: var(--color-border-strong);
}

.form-control:focus {
  background: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.form-control:disabled,
.form-control[readonly] {
  background: var(--color-surface-variant);
  color: var(--text-disabled);
  cursor: not-allowed;
}

textarea.form-control {
  min-height: 132px;
  line-height: 1.8;
  resize: vertical;
}

select.form-control {
  cursor: pointer;
}

.form-help {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.form-error {
  display: none;
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  font-weight: 600;
}

.form-error:not(:empty) {
  display: block;
}

.form-control.is-invalid {
  border-color: var(--color-danger);
  background: var(--color-danger-soft);
}

.form-control.is-invalid:focus {
  box-shadow: 0 0 0 4px rgba(180, 35, 24, 0.12);
}

.form-control.is-valid {
  border-color: var(--color-success);
}

.form-control.is-valid:focus {
  box-shadow: 0 0 0 4px rgba(25, 115, 75, 0.12);
}

/* =========================================================
   Choices
========================================================= */

.choice-group {
  display: grid;
  gap: var(--space-3);
}

.choice-card {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  user-select: none;
  transition:
    background-color var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast),
    transform var(--transition-fast);
}

.choice-card:hover {
  background: var(--color-surface-soft);
  border-color: var(--color-primary-light);
  transform: translateY(-1px);
}

.choice-card:focus-within {
  border-color: var(--color-primary);
  box-shadow: var(--focus-ring);
}

.choice-card:has(input:checked) {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
}

.choice-card input {
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  accent-color: var(--color-primary);
  flex-shrink: 0;
  cursor: pointer;
}

.choice-card__content {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.choice-card__title {
  color: var(--text-primary);
  font-weight: 700;
  line-height: 1.5;
}

.choice-card__description {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

/* =========================================================
   Alerts
========================================================= */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid transparent;
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  line-height: 1.7;
}

.alert svg {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
}

.alert--success {
  background: var(--color-success-soft);
  border-color: rgba(25, 115, 75, 0.2);
  color: var(--color-success);
}

.alert--warning {
  background: var(--color-warning-soft);
  border-color: rgba(161, 92, 0, 0.2);
  color: var(--color-warning);
}

.alert--danger {
  background: var(--color-danger-soft);
  border-color: rgba(180, 35, 24, 0.2);
  color: var(--color-danger);
}

.alert--info {
  background: var(--color-info-soft);
  border-color: rgba(49, 93, 168, 0.2);
  color: var(--color-info);
}

/* =========================================================
   Badges
========================================================= */

.badge {
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 700;
  line-height: 1;
  white-space: nowrap;
}

.badge--primary {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
}

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

.badge--warning {
  background: var(--color-warning-soft);
  color: var(--color-warning);
}

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

/* =========================================================
   Progress
========================================================= */

.progress {
  width: 100%;
}

.progress__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

.progress__label,
.progress__value {
  font-size: var(--font-size-sm);
  font-weight: 700;
}

.progress__label {
  color: var(--text-secondary);
}

.progress__value {
  color: var(--color-primary);
}

.progress__track {
  width: 100%;
  height: 10px;
  overflow: hidden;
  background: var(--color-surface-variant);
  border-radius: var(--radius-pill);
}

.progress__bar {
  width: 0;
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--color-primary-dark),
    var(--color-primary-light)
  );
  border-radius: inherit;
  transition: width var(--transition-slow);
}

/* =========================================================
   Divider
========================================================= */

.divider {
  width: 100%;
  height: 1px;
  background: var(--color-border);
}

/* =========================================================
   Empty State
========================================================= */

.empty-state {
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-12) var(--space-6);
  text-align: center;
}

.empty-state__icon {
  width: 72px;
  height: 72px;
  display: grid;
  place-items: center;
  background: var(--color-primary-soft);
  border-radius: var(--radius-2xl);
  color: var(--color-primary);
  font-size: var(--font-size-2xl);
}

.empty-state__title {
  margin-top: var(--space-2);
  font-size: var(--font-size-xl);
}

.empty-state__text {
  max-width: 480px;
  color: var(--text-secondary);
}

/* =========================================================
   Loader
========================================================= */

.loader {
  width: 44px;
  height: 44px;
  border: 4px solid var(--color-surface-variant);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: loader-spin 0.75s linear infinite;
}

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

/* =========================================================
   Responsive
========================================================= */

@media (max-width: 700px) {
  .card__header,
  .card__body,
  .card__footer {
    padding: var(--space-5);
  }

  .card__header,
  .card__footer {
    align-items: stretch;
    flex-direction: column;
  }

  .button--large {
    min-height: 52px;
    padding-inline: var(--space-6);
    font-size: var(--font-size-md);
  }

  .choice-card {
    padding: var(--space-4);
  }

  .empty-state {
    min-height: 240px;
    padding: var(--space-8) var(--space-4);
  }
}