/* ==========================================================================
   COMPONENTS CSS - Buttons, Cards, Forms, etc.
   ========================================================================== */

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) var(--spacing-xl);
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  line-height: 1;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  min-height: 48px;
  box-sizing: border-box;
}

@media (max-width: 767px) {
  .btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 0.9375rem;
    min-height: 44px;
  }
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

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

.btn--primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn--primary:active {
  transform: translateY(0);
}

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

.btn--secondary:hover {
  background-color: var(--color-secondary-dark);
  border-color: var(--color-secondary-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

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

.btn--outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn--outline-secondary:hover {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-dark);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-bg);
}

.btn--sm {
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
  min-height: 40px;
}

.btn--lg {
  padding: var(--spacing-lg) var(--spacing-2xl);
  font-size: 1.125rem;
  min-height: 56px;
}

.btn--icon {
  padding: var(--spacing-md);
  min-width: 48px;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* Cards */
.card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  box-sizing: border-box;
  width: 100%;
}

@media (max-width: 767px) {
  .card {
    padding: var(--spacing-lg);
  }
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  border-radius: var(--radius-lg);
  font-size: 1.75rem;
  margin-bottom: var(--spacing-lg);
}

.card__title {
  font-size: 1.25rem;
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.card__description {
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
  line-height: 1.7;
}

.card__list {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-lg) 0;
}

.card__list-item {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
  color: var(--color-text);
  font-size: 0.9375rem;
}

.card__list-item::before {
  content: '✓';
  color: var(--color-secondary);
  font-weight: var(--font-weight-bold);
  flex-shrink: 0;
}

.card__footer {
  margin-top: auto;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  border-radius: var(--radius-full);
  background-color: var(--color-bg);
  color: var(--color-dark);
}

.badge--primary {
  background-color: rgba(240, 151, 63, 0.1);
  color: var(--color-primary-dark);
}

.badge--secondary {
  background-color: rgba(64, 144, 89, 0.1);
  color: var(--color-secondary-dark);
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-medium);
  color: var(--color-dark);
  margin-bottom: var(--spacing-sm);
  font-size: 0.9375rem;
}

.form-label--required::after {
  content: ' *';
  color: #dc2626;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1rem;
  color: var(--color-dark);
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  min-height: 48px;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(240, 151, 63, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #94a3b8;
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-error {
  display: block;
  color: #dc2626;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: #dc2626;
}

.form-input.error:focus,
.form-textarea.error:focus,
.form-select.error:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-checkbox,
.form-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  cursor: pointer;
  margin-bottom: var(--spacing-md);
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  flex-shrink: 0;
  accent-color: var(--color-primary);
}

.form-checkbox label,
.form-radio label {
  font-size: 0.9375rem;
  line-height: 1.6;
  cursor: pointer;
}

.form-checkboxes,
.form-radios {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

/* Accordion */
.accordion {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion__item {
  border-bottom: 1px solid var(--color-border);
}

.accordion__item:last-child {
  border-bottom: none;
}

.accordion__header {
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--color-white);
  border: none;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-weight: var(--font-weight-semibold);
  font-size: 1.0625rem;
  color: var(--color-dark);
  transition: background-color var(--transition-fast);
}

.accordion__header:hover {
  background-color: var(--color-bg);
}

.accordion__icon {
  color: var(--color-primary);
  transition: transform var(--transition-base);
  font-size: 1.5rem;
}

.accordion__item.active .accordion__icon {
  transform: rotate(180deg);
}

.accordion__content {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.accordion__item.active .accordion__content {
  max-height: 1000px;
}

.accordion__body {
  padding: 0 var(--spacing-lg) var(--spacing-lg);
  color: var(--color-text);
  line-height: 1.7;
}

/* Tabs */
.tabs {
  margin-bottom: var(--spacing-xl);
}

.tabs__nav {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 2px solid var(--color-border);
  margin-bottom: var(--spacing-xl);
  overflow-x: auto;
  scrollbar-width: thin;
}

.tabs__button {
  padding: var(--spacing-md) var(--spacing-lg);
  background: transparent;
  border: none;
  color: var(--color-text);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.tabs__button::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.tabs__button:hover {
  color: var(--color-primary);
}

.tabs__button.active {
  color: var(--color-primary);
}

.tabs__button.active::after {
  transform: scaleX(1);
}

.tabs__panel {
  display: none;
}

.tabs__panel.active {
  display: block;
  animation: fadeIn var(--transition-base);
}

/* Modal */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 10000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.modal.active {
  display: flex;
}

.modal__overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  animation: fadeIn var(--transition-base);
}

.modal__content {
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: slideUp var(--transition-slow);
}

.modal__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-lg);
}

.modal__title {
  font-size: 1.5rem;
  color: var(--color-dark);
  margin: 0;
}

.modal__close {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  border-radius: var(--radius-full);
  color: var(--color-dark);
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.modal__close:hover {
  background: var(--color-border);
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
  font-size: 0.875rem;
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text);
}

.breadcrumb__item:not(:last-child)::after {
  content: '/';
  color: var(--color-border);
}

.breadcrumb__link {
  color: var(--color-text);
  transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
  color: var(--color-primary);
}

.breadcrumb__item:last-child {
  color: var(--color-primary);
  font-weight: var(--font-weight-medium);
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: var(--color-white);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-fast);
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
}

.back-to-top:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}

/* Loading Spinner */
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.spinner--sm {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Reveal Animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}