/* ==========================================================================
   Components — Buttons, Buttons, Filters, Pagination, Tabs, Accordions,
   Modals, Toast, Misc
   ========================================================================== */

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  line-height: 1.2;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn:active {
  transform: translateY(1px);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Variants */
.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-secondary:hover {
  background: var(--color-secondary-dark);
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

.btn-accent:hover {
  background: #D89200;
  color: var(--color-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-outline-light {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-white);
  border-color: var(--color-white);
}

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

.btn-ghost:hover {
  background: rgba(10, 61, 98, 0.06);
  color: var(--color-primary);
}

/* Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
}

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

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   Search Bar
   ========================================================================== */

.search-bar {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-lg);
}

.search-bar .form-group {
  flex: 1;
  margin-bottom: 0;
}

.search-bar .form-control {
  border: none;
  background: transparent;
  padding-left: 0;
  box-shadow: none;
}

.search-bar .form-control:focus-visible {
  box-shadow: none;
  border-color: transparent;
}

/* ==========================================================================
   Breadcrumbs
   ========================================================================== */

.breadcrumb-nav {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

.breadcrumb-nav ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin: 0;
  padding: 0;
  gap: var(--space-2);
}

.breadcrumb-nav li {
  margin: 0;
  display: inline-flex;
  align-items: center;
}

.breadcrumb-nav li + li::before {
  content: '/';
  margin-right: var(--space-2);
  color: var(--color-gray-400);
}

.breadcrumb-nav a {
  color: var(--color-gray-500);
}

.breadcrumb-nav a:hover {
  color: var(--color-primary);
}

.breadcrumb-nav [aria-current="page"] {
  color: var(--color-gray-700);
  font-weight: var(--font-medium);
}

/* ==========================================================================
   Pagination
   ========================================================================== */

.pagination-nav {
  display: flex;
  justify-content: center;
  margin-top: var(--space-8);
}

.pagination {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: var(--space-2);
}

.pagination li {
  margin: 0;
}

.pagination a,
.pagination button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  background: var(--color-white);
  color: var(--color-gray-700);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.pagination a:hover,
.pagination button:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.pagination li.active a,
.pagination li.active span,
.pagination button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}

.pagination li.disabled a,
.pagination button:disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ==========================================================================
   Tabs / Pill navigation
   ========================================================================== */

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  border-bottom: 1px solid var(--color-gray-200);
  margin-bottom: var(--space-8);
}

.tab {
  padding: var(--space-3) var(--space-5);
  background: none;
  border: none;
  border-bottom: 3px solid transparent;
  color: var(--color-gray-500);
  font-family: var(--font-primary);
  font-size: var(--text-base);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  margin-bottom: -1px;
}

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

.tab[aria-selected="true"],
.tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.tab-content {
  display: none;
}

.tab-content.active,
.tab-content[aria-hidden="false"] {
  display: block;
}

/* ==========================================================================
   Accordion
   ========================================================================== */

.accordion {
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.accordion + .accordion {
  margin-top: var(--space-4);
}

.accordion-item-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-6);
  background: var(--color-white);
  border: none;
  width: 100%;
  font-family: var(--font-primary);
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-gray-800);
  cursor: pointer;
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-item-header:hover {
  background: var(--color-gray-50);
}

.accordion-item-header .accordion-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-base);
  color: var(--color-primary);
}

.accordion-item[aria-expanded="true"] .accordion-icon {
  transform: rotate(180deg);
}

.accordion-item-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.accordion-item[aria-expanded="true"] .accordion-item-body {
  max-height: 500px;
}

.accordion-item-body-inner {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-gray-600);
}

/* ==========================================================================
   Modals
   ========================================================================== */

.modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(10, 10, 10, 0.6);
  padding: var(--space-4);
}

.modal.open {
  display: flex;
}

.modal-dialog {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  max-width: 560px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-5) var(--space-6);
  border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h2,
.modal-header h3 {
  margin: 0;
}

.modal-close {
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-gray-500);
  border-radius: var(--radius-sm);
}

.modal-close:hover {
  color: var(--color-gray-800);
  background: var(--color-gray-100);
}

.modal-close svg {
  width: 20px;
  height: 20px;
}

.modal-body {
  padding: var(--space-6);
}

.modal-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-gray-200);
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

/* ==========================================================================
   Toast
   ========================================================================== */

.toast-container {
  position: fixed;
  top: var(--space-6);
  right: var(--space-6);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border-left: 4px solid var(--color-info);
  padding: var(--space-4) var(--space-5);
  min-width: 300px;
  max-width: 420px;
}

.toast-success { border-left-color: var(--color-success); }
.toast-error { border-left-color: var(--color-danger); }
.toast-warning { border-left-color: var(--color-warning); }

.toast-message {
  flex: 1;
  font-size: var(--text-sm);
  color: var(--color-gray-700);
}

.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-gray-400);
  padding: var(--space-1);
}

/* ==========================================================================
   Filter chips
   ========================================================================== */

.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  background: var(--color-white);
  color: var(--color-gray-600);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

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

.chip-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.15);
  color: inherit;
  font-size: var(--text-xs);
  line-height: 1;
  cursor: pointer;
  border: none;
}

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

.loader {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-gray-200);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loader-center {
  display: flex;
  justify-content: center;
  padding: var(--space-12);
}

/* ==========================================================================
   Avatars
   ========================================================================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-gray-100);
  color: var(--color-primary);
  font-weight: var(--font-semibold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.avatar-lg {
  width: 64px;
  height: 64px;
  font-size: var(--text-xl);
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--text-xs);
}

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

.progress {
  height: 8px;
  background: var(--color-gray-100);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.progress-bar-secondary {
  background: var(--color-secondary);
}

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

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.alert-info {
  background: rgba(59, 130, 246, 0.08);
  border-color: rgba(59, 130, 246, 0.25);
  color: #1D4ED8;
}

.alert-success {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.25);
  color: #047857;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.08);
  border-color: rgba(245, 158, 11, 0.25);
  color: #B45309;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
  color: #B91C1C;
}

.alert svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

.alert-message {
  flex: 1;
}

.alert-title {
  font-weight: var(--font-semibold);
  display: block;
  margin-bottom: var(--space-1);
}

/* ==========================================================================
   Timeline
   ========================================================================== */

.timeline {
  position: relative;
  padding-left: var(--space-8);
  margin: 0;
  list-style: none;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 4px;
  bottom: 4px;
  width: 2px;
  background: var(--color-gray-200);
}

.timeline-item {
  position: relative;
  margin-bottom: var(--space-8);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) + 8px - 6px);
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-white);
  border: 3px solid var(--color-secondary);
}

.timeline-date {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: var(--space-2);
}

.timeline-item h4 {
  margin-bottom: var(--space-2);
}

/* ==========================================================================
   Patners / logos strip
   ========================================================================== */

.logo-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: var(--space-12);
  padding: var(--space-8) 0;
  opacity: 0.7;
}

.logo-strip img {
  height: 32px;
  width: auto;
  filter: grayscale(100%);
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.logo-strip img:hover {
  filter: none;
  opacity: 1;
}

/* ==========================================================================
   Testimonial
   ========================================================================== */

.testimonial {
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-gray-700);
  margin-bottom: var(--space-6);
  line-height: 1.6;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.testimonial-author-info strong {
  display: block;
  color: var(--color-gray-900);
}

.testimonial-author-info span {
  font-size: var(--text-sm);
  color: var(--color-gray-500);
}

/* ==========================================================================
   Icon list
   ========================================================================== */

.icon-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.icon-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  color: var(--color-gray-600);
}

.icon-list li svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-secondary);
  margin-top: 3px;
}

/* ==========================================================================
   Article / Post card
   ========================================================================== */

.post-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}

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

.post-card-image {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.post-card-body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-gray-500);
  margin-bottom: var(--space-3);
}

.post-card h3 {
  font-size: var(--text-lg);
  margin-bottom: var(--space-3);
}

.post-card h3 a {
  color: var(--color-gray-900);
}

.post-card h3 a:hover {
  color: var(--color-primary);
}

.post-excerpt {
  color: var(--color-gray-500);
  font-size: var(--text-sm);
  flex: 1;
  margin-bottom: var(--space-4);
}