/* news.css — feed-specific styles, layered on官网 styles.css 主题变量 */

/* 本站无顶部/底部猫咪履带，收紧 .page 上下留白 */
.page {
  padding: 36px 24px 88px;
  max-width: 1440px;
}

.hero {
  max-width: 900px;
  margin: 0 auto 28px;
}

/* ---------------- 控制区：搜索 + 频道 chips ---------------- */
.controls {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 900px;
  margin: 0 auto 28px;
}

.search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: 16px;
  font-size: 1rem;
  opacity: 0.7;
  pointer-events: none;
}

.search-input {
  width: 100%;
  padding: 12px 18px 12px 44px;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--card-bg-glass);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--card-shadow);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.search-input::placeholder { color: var(--text-secondary); }

.search-input:focus {
  border-color: var(--card-hover-border);
  box-shadow: 0 8px 24px var(--accent-glow);
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-size: 0.9rem;
  line-height: 1;
  color: var(--text-secondary);
  background: var(--card-bg-glass);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease,
    border-color 0.2s ease, background 0.2s ease;
}

.chip:hover {
  transform: translateY(-2px);
  color: var(--text-primary);
}

.chip .chip-count {
  font-size: 0.78rem;
  opacity: 0.7;
}

.chip.active {
  color: #fff;
  border-color: transparent;
  background: var(--chip-active, #6366f1);
  box-shadow: 0 8px 20px var(--accent-glow);
}

.reader {
  display: grid;
  grid-template-columns: minmax(360px, 0.44fr) minmax(0, 0.56fr);
  gap: 18px;
  align-items: start;
}

.feed-panel,
.detail-panel {
  border: 1px solid var(--card-border);
  border-radius: 16px;
  background: color-mix(in srgb, var(--card-bg-glass) 86%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--card-shadow);
}

.feed-panel {
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.detail-panel {
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow: auto;
}

.panel-heading {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 700;
}

.panel-count {
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
}

/* ---------------- 信息流 ---------------- */
.feed {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  gap: 10px;
  padding: 12px;
  overflow-y: auto;
}

.date-divider {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 10px 4px 2px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.date-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--card-border);
}

.date-divider:first-child { margin-top: 0; }

/* 条目卡片 */
.entry {
  --chan: #6366f1;
  flex: 0 0 auto;
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--chan);
  border-radius: 10px;
  background: color-mix(in srgb, var(--card-bg-glass) 72%, transparent);
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.entry:hover {
  border-top-color: var(--card-hover-border);
  border-right-color: var(--card-hover-border);
  border-bottom-color: var(--card-hover-border);
  background: color-mix(in srgb, var(--card-bg-glass) 92%, var(--chan) 8%);
  transform: translateY(-1px);
}

.entry.selected {
  border-color: color-mix(in srgb, var(--chan) 62%, var(--card-border));
  border-left-color: var(--chan);
  background: color-mix(in srgb, var(--card-bg-glass) 82%, var(--chan) 12%);
}

.entry-head {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "badge time"
    "title title"
    "excerpt excerpt";
  gap: 7px 10px;
  padding: 14px 16px 15px;
  cursor: pointer;
  align-items: center;
}

.entry-badge {
  grid-area: badge;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--chan);
  background: color-mix(in srgb, var(--chan) 14%, transparent);
  border-radius: 999px;
  white-space: nowrap;
}

.entry-time {
  grid-area: time;
  color: var(--text-secondary);
  font-size: 0.78rem;
  justify-self: start;
}

.entry-title {
  grid-area: title;
  margin: 4px 0 0;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

.entry-excerpt {
  grid-area: excerpt;
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.88rem;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.entry-body {
  display: none;
  padding: 4px 22px 24px;
  border-top: 1px solid var(--card-border);
  margin-top: -2px;
  color: var(--text-primary);
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.entry.expanded .entry-body { display: block; }

/* ---------------- 右侧正文阅读栏 ---------------- */
.detail-empty {
  display: grid;
  place-items: center;
  min-height: 360px;
  padding: 40px;
  text-align: center;
  color: var(--text-secondary);
}

.detail-empty-title {
  margin: 0 0 8px;
  color: var(--text-primary);
  font-size: 1.2rem;
  font-weight: 800;
}

.detail-article {
  padding: 28px 30px 34px;
}

.detail-badge {
  width: fit-content;
}

.detail-time {
  margin: 14px 0 8px;
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.detail-title {
  margin: 0;
  color: var(--text-primary);
  font-size: clamp(1.35rem, 2vw, 2rem);
  line-height: 1.28;
}

.detail-summary {
  margin: 16px 0 18px;
  padding: 14px 16px;
  color: var(--text-secondary);
  line-height: 1.65;
  border-left: 4px solid var(--chan);
  border-radius: 0 10px 10px 0;
  background: color-mix(in srgb, var(--chan) 9%, transparent);
}

.detail-body {
  display: block;
  padding: 18px 0 0;
  margin-top: 0;
  border-top: 1px solid var(--card-border);
}

/* ---------------- 正文 Markdown 渲染样式 ---------------- */
.entry-body h1, .entry-body h2, .entry-body h3,
.entry-body h4, .entry-body h5, .entry-body h6 {
  margin: 1.2em 0 0.5em;
  line-height: 1.35;
  color: var(--text-primary);
}
.entry-body h1 { font-size: 1.4rem; }
.entry-body h2 { font-size: 1.25rem; }
.entry-body h3 { font-size: 1.1rem; }
.entry-body h4 { font-size: 1rem; }
.entry-body > :first-child { margin-top: 0.4em; }

.entry-body p { margin: 0.7em 0; }

.entry-body ul, .entry-body ol { margin: 0.6em 0; padding-left: 1.5em; }
.entry-body li { margin: 0.3em 0; }
.entry-body li > ul, .entry-body li > ol { margin: 0.3em 0; }

.entry-body a {
  color: var(--chan);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--chan) 40%, transparent);
}
.entry-body a:hover { border-bottom-color: var(--chan); }

.entry-body strong { color: var(--text-primary); font-weight: 700; }

.entry-body blockquote {
  margin: 0.8em 0;
  padding: 0.4em 1em;
  border-left: 3px solid var(--chan);
  background: color-mix(in srgb, var(--chan) 8%, transparent);
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
}

.entry-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-size: 0.88em;
  padding: 0.12em 0.4em;
  background: color-mix(in srgb, var(--text-secondary) 18%, transparent);
  border-radius: 5px;
}

.entry-body pre {
  margin: 0.8em 0;
  padding: 14px 16px;
  overflow-x: auto;
  background: rgba(0, 0, 0, 0.28);
  border: 1px solid var(--card-border);
  border-radius: 10px;
}
.entry-body pre code { background: none; padding: 0; font-size: 0.85rem; }

.entry-body hr {
  border: none;
  border-top: 1px solid var(--card-border);
  margin: 1.2em 0;
}

.entry-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.9em 0;
  font-size: 0.9rem;
  display: block;
  overflow-x: auto;
}
.entry-body th, .entry-body td {
  padding: 8px 12px;
  border: 1px solid var(--card-border);
  text-align: left;
  vertical-align: top;
}
.entry-body th {
  background: color-mix(in srgb, var(--chan) 12%, transparent);
  color: var(--text-primary);
  font-weight: 600;
  white-space: nowrap;
}
.entry-body tbody tr:nth-child(even) td {
  background: color-mix(in srgb, var(--text-secondary) 7%, transparent);
}

/* ---------------- 状态 / 页脚信息 ---------------- */
.feed-status {
  text-align: center;
  color: var(--text-secondary);
  padding: 24px 0;
  font-size: 0.95rem;
}
.feed-status.hidden { display: none; }

.feed-sentinel { height: 1px; width: 100%; }
.feed-sentinel { flex: 0 0 auto; }

.feed-meta {
  color: var(--text-secondary);
  font-size: 0.82rem;
  margin: 0 0 16px;
}

@media (max-width: 560px) {
  .page { padding-top: 32px; }
  .entry-head { padding: 16px; }
  .entry-body { padding: 4px 16px 20px; }
  .entry-title { font-size: 1.05rem; }
}

@media (max-width: 900px) {
  .page {
    padding: 32px 16px 72px;
  }

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

  .feed-panel,
  .detail-panel {
    position: static;
    max-height: none;
  }

  .feed {
    flex: 0 0 auto;
    max-height: none;
    overflow: visible;
  }

  .detail-panel {
    order: -1;
  }

  .detail-article {
    padding: 22px 18px 26px;
  }
}