@layer reset, base, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  h1, h2, h3, p { margin: 0; }
  img, svg { display: block; max-width: 100%; }
  button, input { font: inherit; }
  [hidden] { display: none !important; }
}

@layer base {
  :root {
    --surface: rgba(255, 249, 240, 0.8);
    --surface-strong: rgba(255, 252, 247, 0.98);
    --surface-muted: rgba(255, 246, 232, 0.85);
    --line: rgba(72, 47, 21, 0.16);
    --ink: #1f1a17;
    --ink-soft: #5e5347;
    --accent: #0f766e;
    --accent-strong: #134e4a;
    --accent-warm: #b45309;
    --shadow: 0 1.25rem 3rem rgba(54, 31, 9, 0.14);
    --radius-xl: 1.75rem;
    --radius-lg: 1.2rem;
    --space-2: clamp(0.85rem, 0.65rem + 0.7vw, 1.15rem);
    --space-3: clamp(1.2rem, 0.95rem + 0.8vw, 1.6rem);
    --space-4: clamp(1.8rem, 1.2rem + 1.5vw, 2.7rem);
    --font-ui: "Avenir Next", "Segoe UI", sans-serif;
  }
  a { color: inherit; }
  ::selection { background: color-mix(in srgb, var(--accent) 24%, white); }
}

@layer components {
  .news-shell {
    display: grid;
    gap: var(--space-3);
    padding: 0;
  }

  .panel-shell {
    backdrop-filter: blur(14px);
    background: linear-gradient(180deg, var(--surface-strong), var(--surface));
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    padding: var(--space-3);
    border-radius: var(--radius-xl);
    container-type: inline-size;
  }

  .story-panel {
    display: none;
  }

  .story-panel.is-active {
    display: grid;
    gap: var(--space-3);
  }

  .panel-header {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: baseline;
    justify-content: space-between;
  }

  .panel-header h2 {
    font-size: clamp(1.7rem, 1.3rem + 1vw, 2.25rem);
  }

  .panel-header p {
    color: var(--ink-soft);
    font-family: var(--font-ui);
  }

  .news-grid {
    display: grid;
    gap: var(--space-2);
  }

  .story-card {
    display: grid;
    gap: 0.8rem;
    padding: var(--space-3);
    border-radius: var(--radius-lg);
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(255, 249, 240, 0.9)),
      linear-gradient(120deg, rgba(180, 83, 9, 0.06), transparent);
    border: 1px solid color-mix(in srgb, var(--line) 84%, white);
    min-height: 100%;
  }

  .story-source {
    font-family: var(--font-ui);
    font-size: 0.8rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--accent-warm);
  }

  .story-card h3 {
    font-size: clamp(1.25rem, 1rem + 0.7vw, 1.8rem);
    line-height: 1.05;
  }

  .story-card h3 a { text-decoration: none; }
  .story-card h3 a:is(:hover, :focus-visible) {
    text-decoration: underline;
    text-decoration-thickness: 0.08em;
  }

  .story-summary {
    color: var(--ink-soft);
    font-size: 1.03rem;
  }

  .story-footer {
    margin-top: auto;
    font-family: var(--font-ui);
    color: var(--ink-soft);
    font-size: 0.92rem;
  }

  .empty-state {
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    background: var(--surface-muted);
    border: 1px dashed color-mix(in srgb, var(--line) 90%, white);
    color: var(--ink-soft);
    font-family: var(--font-ui);
    text-align: center;
  }
}

@layer utilities {
  @container (min-width: 48rem) {
    .news-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  }
  @container (min-width: 72rem) {
    .news-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  }
  @media (max-width: 39rem) {
    .panel-shell { border-radius: 1.35rem; padding-inline: 1rem; }
  }
}