/* Design system tokens */
:root {
  --ts-bg: #f8fafc;
  --ts-surface: #ffffff;
  --ts-ink: #0f172a;
  --ts-muted: #64748b;
  --ts-accent: #2563eb;
  --ts-accent-2: #38bdf8;
  --ts-border: #e2e8f0;
  --ts-radius: 12px;
  --ts-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
}

:root[data-theme='dark'] {
  --ts-bg: #0f172a;
  --ts-surface: #111827;
  --ts-ink: #f8fafc;
  --ts-muted: #cbd5f5;
  --ts-accent: #38bdf8;
  --ts-accent-2: #22d3ee;
  --ts-border: #1f2937;
  --ts-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
}

body {
  transition: background 0.3s ease, color 0.3s ease;
  background: var(--ts-bg) !important;
  color: var(--ts-ink) !important;
}

.site-navbar,
.site-footer {
  background: #ffffff !important;
  color: var(--ts-ink) !important;
}

.site-navbar a,
.site-footer a {
  color: var(--ts-ink) !important;
}

.btn {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  border-radius: var(--ts-radius);
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.h-entry {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.h-entry:hover {
  transform: translateY(-6px);
  box-shadow: var(--ts-shadow);
}

.pagination a {
  padding: 6px 12px;
  border: 1px solid #ddd;
  border-radius: 6px;
  margin-right: 6px;
  transition: background 0.2s ease;
}

.pagination a:hover {
  background: #f0f0f0;
}

.dropdown-menu {
  display: none;
  flex-direction: column;
  gap: 6px;
  padding: 8px;
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-top: 8px;
}

.dropdown-menu.is-open {
  display: flex;
}

.alert {
  border-radius: 10px;
  padding: 10px 16px;
  margin-bottom: 12px;
}

/* Utility classes */
.ts-card {
  background: var(--ts-surface);
  border: 1px solid var(--ts-border);
  border-radius: var(--ts-radius);
  box-shadow: var(--ts-shadow);
  padding: 20px;
}

.ts-pill {
  display: inline-flex;
  padding: 6px 12px;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--ts-accent);
  font-weight: 600;
}

.ts-muted {
  color: var(--ts-muted);
}

.ts-section {
  padding: 48px 0;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal.is-open {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: white;
  padding: 24px;
  border-radius: 12px;
  max-width: 500px;
  margin: 12% auto;
  transform: scale(0.96);
  transition: transform 0.2s ease;
}

.modal.is-open .modal-content {
  transform: scale(1);
}

[data-accordion-item] .accordion-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

[data-accordion-item].is-open .accordion-body {
  max-height: 200px;
}

.is-invalid {
  border-color: #dc3545;
}

[data-toast-box] {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: #111827;
  color: white;
  padding: 12px 16px;
  border-radius: 8px;
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
}

[data-toast-box].is-show {
  opacity: 1;
  transform: translateY(0);
}

[data-favorite].is-active {
  background: #ffefef;
  border-color: #ff5f5f;
}

[data-preloader] {
  position: fixed;
  inset: 0;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.3s ease;
}

[data-preloader].is-hidden {
  opacity: 0;
  pointer-events: none;
}

.nav-link {
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: #3c8dbc;
}

.nav-link.active {
  font-weight: 700;
  border-bottom: 2px solid #3c8dbc;
}

input:focus, textarea:focus, select:focus {
  outline: 2px solid #3c8dbc;
  outline-offset: 2px;
}