/* index.css - 首页样式
 * 提取自 src/pages/index.html.j2
 * 遵循 ui-style-rules.md 规范
 */

body {
  background: var(--color-gray-50);
}

.page-shell {
  max-width: 75rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 4.5rem;
}

.hero-modern {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.25rem;
  padding: 1.75rem;
  background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 50%, var(--color-indigo-700) 100%);
  border-radius: 1.125rem;
  color: var(--color-gray-200);
}

.hero-modern h1 {
  font-size: 1.875rem;
  margin: 0 0 0.625rem;
  line-height: 1.2;
}

.hero-modern p {
  margin: 0.375rem 0 0;
  color: var(--color-hero-text, rgba(226, 232, 240, 0.8));
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-top: 0.75rem;
}

.badge-chip {
  background: var(--color-white-10, rgba(255, 255, 255, 0.1));
  color: var(--color-gray-300);
  padding: 0.375rem 0.625rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
}

.cta-card {
  background: var(--bg-card, #fff);
  color: var(--color-gray-900);
  border-radius: 0.875rem;
  padding: 1.125rem;
  box-shadow: var(--shadow-lg, 0 0.75rem 1.875rem rgba(15, 23, 42, 0.12));
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cta-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(8.75rem, 1fr));
  gap: 0.625rem;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-indigo-500) 0%, var(--color-indigo-500) 100%);
  border: none;
  color: var(--color-white, #fff);
  padding: 0.75rem;
  border-radius: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.btn--secondary {
  background: var(--color-indigo-50);
  color: var(--color-indigo-900);
  border: 1px solid var(--color-indigo-200);
  padding: 0.75rem;
  border-radius: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  text-align: center;
  text-decoration: none;
}

.pill {
  font-size: 0.75rem;
  color: var(--color-gray-600);
  background: var(--color-gray-200);
  border-radius: var(--radius-full);
  padding: 0.25rem 0.625rem;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.layout {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.125rem;
  margin-top: 1.25rem;
}

.card {
  background: var(--bg-card, #fff);
  border-radius: 0.875rem;
  padding: 1rem;
  box-shadow: var(--shadow-md, 0 0.25rem 1rem rgba(15, 23, 42, 0.06));
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 0 0 0.75rem;
}

.section-title h2 {
  margin: 0;
  font-size: 1.125rem;
}

.tab-switch {
  display: inline-flex;
  gap: 0.375rem;
  background: var(--color-gray-100);
  padding: 0.25rem;
  border-radius: 0.625rem;
}

.tab-btn {
  border: none;
  background: transparent;
  padding: 0.5rem 0.75rem;
  border-radius: 0.5rem;
  cursor: pointer;
  font-weight: 700;
  color: var(--color-gray-600);
}

.tab-btn.active {
  background: var(--bg-card, #fff);
  box-shadow: var(--shadow-sm, 0 0.375rem 1rem rgba(15, 23, 42, 0.08));
  color: var(--color-gray-900);
}

.feed {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16.25rem, 1fr));
  gap: 0.75rem;
}

.feed-card {
  border: 1px solid var(--color-gray-200);
  border-radius: 0.75rem;
  padding: 0.875rem;
  background: var(--bg-card, #fff);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-decoration: none;
  color: inherit;
}

.feed-card h3 {
  margin: 0;
  font-size: 1rem;
  line-height: 1.35;
}

.feed-meta {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--color-gray-500);
}

.feed-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
}

.side-card {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.side-links a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem;
  border-radius: 0.625rem;
  text-decoration: none;
  color: var(--color-gray-900);
  background: var(--color-gray-50);
  border: 1px solid var(--color-gray-200);
}

.side-links a:hover {
  border-color: var(--color-gray-300);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.floating-cta {
  position: fixed;
  right: 1rem;
  bottom: 1.25rem;
  z-index: 20;
  display: none;
}

.floating-cta .btn--primary {
  box-shadow: var(--shadow-brand, 0 0.875rem 1.875rem rgba(79, 70, 229, 0.35));
}

.loading-placeholder {
  padding: 1rem;
  color: var(--color-gray-500);
  text-align: center;
}

.muted {
  color: var(--color-gray-600);
}

/* 工具类 - 替代内联样式 */
.cta-note {
  margin: 0;
  color: var(--color-gray-600);
}
.feed-summary {
  margin: 0;
}
.u-hidden { display: none; }
.side-stack {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.side-section-title {
  margin-bottom: 0.25rem;
}
.side-section-title h2 {
  font-size: 1rem;
  margin: 0;
}
.side-section-title-sm {
  margin-bottom: 0.375rem;
}
.platform-list {
  margin: 0;
  padding-left: 1.125rem;
  color: var(--color-gray-600);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}
.note-excerpt {
  margin: 0.5rem 0;
}
.note-tags {
  margin-top: 0.5rem;
}
.note-meta {
  margin-top: 0.5rem;
}
.pill-sm {
  font-size: 0.6875rem;
}
.u-m-0 { margin: 0; }
.u-mb-4 { margin-bottom: 0.25rem; }
.u-mb-6 { margin-bottom: 0.375rem; }
.side-title { font-size: 1rem; margin: 0; }
.side-list {
  margin: 0;
  padding-left: 1.125rem;
  color: var(--color-gray-600);
  font-size: 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

@media (max-width: 60rem) {
  .hero-modern {
    grid-template-columns: 1fr;
  }

  .layout {
    grid-template-columns: 1fr;
  }

  .floating-cta {
    display: block;
  }
}