* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  background: var(--sam-bg);
  color: var(--sam-text);
  font-size: var(--sam-fs-16);
}

a,
button,
input,
select,
textarea,
[tabindex] {
  touch-action: manipulation;
}

:where(a, button, input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--sam-focus);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  left: -10000px;
  top: 8px;
  z-index: 1100;
  background: #fff;
  color: var(--sam-brand);
  padding: 8px 12px;
  border: 1px solid var(--sam-border);
  border-radius: var(--sam-radius-sm);
  text-decoration: none;
  font-weight: 700;
}

.skip-link:focus {
  left: 10px;
}

.navbar {
  box-shadow: var(--sam-shadow-1);
}

.navbar .nav-link {
  min-height: var(--sam-tap-target);
  display: inline-flex;
  align-items: center;
}

.navbar .btn {
  min-height: var(--sam-tap-target);
}

.sam-page-title {
  font-size: clamp(1.55rem, 4.3vw, 2.1rem);
  letter-spacing: -0.01em;
}

.sam-content-card {
  background: var(--sam-surface);
  border: 1px solid var(--sam-border);
  border-radius: var(--sam-radius-md);
  box-shadow: var(--sam-shadow-1);
}

.sam-list-grid {
  display: grid;
  gap: var(--sam-sp-4);
  grid-template-columns: 1fr;
}

.sam-list-card {
  background: var(--sam-surface);
  border: 1px solid var(--sam-border);
  border-radius: var(--sam-radius-md);
  overflow: hidden;
  box-shadow: var(--sam-shadow-1);
}

.sam-media-frame {
  aspect-ratio: 16 / 9;
  width: 100%;
  background: #e2e8f0;
  overflow: hidden;
}

.sam-media-frame > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.sam-date-chip {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--sam-radius-pill);
  border: 1px solid var(--sam-border);
  background: var(--sam-brand-soft);
  color: var(--sam-brand-strong);
  font-size: var(--sam-fs-12);
  font-weight: 700;
}

.sam-form-label {
  font-weight: 700;
  color: #1e293b;
}

.sam-form-error {
  margin-top: 4px;
  color: var(--sam-danger);
  font-size: var(--sam-fs-14);
}

.sam-sticky-filter {
  position: sticky;
  top: 64px;
  z-index: 20;
  background: #fff;
  border: 1px solid var(--sam-border);
  border-radius: var(--sam-radius-md);
  padding: var(--sam-sp-3);
  box-shadow: var(--sam-shadow-1);
}

@media (min-width: 768px) {
  .sam-list-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .sam-list-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
}