:root {
  --bg: #0f1115;
  --card-bg: #1a1d24;
  --card-bg-hover: #22262f;
  --text: #e6e8eb;
  --text-dim: #8a8f99;
  --text-dim2: #6b7280;
  --accent: #5b9dff;
  --accent-green: #4ade80;
  --accent-pink: #f472b6;
  --accent-orange: #fb923c;
  --accent-purple: #a78bfa;
  --border: #2a2e37;
  --shadow: 0 2px 12px rgba(0,0,0,0.3);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f5f7;
    --card-bg: #ffffff;
    --card-bg-hover: #fafafa;
    --text: #1a1d24;
    --text-dim: #6b7280;
    --text-dim2: #9ca3af;
    --border: #ececf0;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
  }
}

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(15, 17, 21, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding-top: env(safe-area-inset-top);
}

@media (prefers-color-scheme: light) {
  .topbar { background: rgba(245, 245, 247, 0.85); }
}

.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 10px;
}

.logo { font-size: 18px; font-weight: 700; letter-spacing: 0.3px; }

.date-picker select {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 13px;
  font-weight: 500;
}

.tabs {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 22px;
  padding: 6px 16px 0;
  position: relative;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.tabs::-webkit-scrollbar { display: none; }

.tab {
  position: relative;
  padding: 6px 2px 10px;
  font-size: 14px;
  font-weight: 400;
  color: var(--text-dim);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.18s;
  white-space: nowrap;
}

.tab.active {
  color: var(--text);
  font-size: 17px;
  font-weight: 800;
}

.tab.active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 2px;
  transform: translateX(-50%);
  width: 20px;
  height: 3px;
  border-radius: 2px;
  background: linear-gradient(135deg, #ec4899, #a855f7);
}

.tab:not(.active):active {
  color: var(--text);
}

/* 瀑布流：两列 */
.feed {
  padding: 10px 8px 60px;
  max-width: 760px;
  margin: 0 auto;
}

.section {
  margin-bottom: 22px;
}

.section-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 6px 12px;
}

.section-title {
  font-size: 15px;
  font-weight: 700;
}

.section-count {
  font-size: 11px;
  color: var(--text-dim2);
  background: var(--card-bg);
  padding: 2px 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.section-divider {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border), transparent);
}

.masonry {
  column-count: 2;
  column-gap: 8px;
}

@media (max-width: 360px) {
  .masonry { column-count: 1; }
}

.card {
  break-inside: avoid;
  display: inline-block;
  width: 100%;
  margin-bottom: 8px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s;
  box-shadow: var(--shadow);
}

.card:active {
  transform: scale(0.97);
}

.card-banner {
  height: 6px;
  background: linear-gradient(135deg, var(--banner-c1, #6366f1), var(--banner-c2, #a855f7));
}

.card-body {
  padding: 14px 15px 13px;
}

.card-title {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--text);
  margin-bottom: 9px;
  word-break: break-word;
}

.card-summary {
  font-size: 13px;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 10px;
  word-break: break-word;
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-value {
  font-size: 12px;
  color: var(--accent-green);
  line-height: 1.5;
  padding: 8px 11px;
  background: rgba(74, 222, 128, 0.08);
  border-radius: 8px;
  border-left: 2px solid var(--accent-green);
  margin-bottom: 11px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 9px;
  font-size: 10.5px;
  color: var(--text-dim2);
  align-items: center;
  padding-top: 4px;
}

.card-meta .star { color: #f5a623; font-weight: 600; }
.card-meta .lang {
  background: rgba(91, 157, 255, 0.12);
  color: var(--accent);
  padding: 1px 7px;
  border-radius: 4px;
  font-weight: 600;
}
.card-meta .src { color: var(--text-dim2); }

/* 收藏按钮（卡片右下角心形） */
.card-fav {
  position: absolute;
  top: 10px;
  right: 10px;
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--text-dim2);
  z-index: 2;
  transition: transform 0.15s;
}
.card-fav:active { transform: scale(1.25); }
.card-fav.faved { color: #ec4899; }

.card { position: relative; }

.empty {
  text-align: center;
  color: var(--text-dim);
  padding: 80px 20px;
  font-size: 14px;
  line-height: 1.8;
}

.empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.4;
}

/* 全屏详情页 */
.detail-page {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: var(--bg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  animation: fadeIn 0.18s ease-out;
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

.detail-page.hidden { display: none; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.detail-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(15, 17, 21, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

@media (prefers-color-scheme: light) {
  .detail-topbar { background: rgba(245, 245, 247, 0.9); }
}

.back-btn {
  width: 34px;
  height: 34px;
  border: none;
  background: var(--card-bg);
  color: var(--text);
  border-radius: 50%;
  font-size: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

.back-btn:active { transform: scale(0.92); }

.detail-topbar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.detail-content {
  max-width: 680px;
  margin: 0 auto;
  padding: 20px 18px 40px;
}

.detail-banner {
  height: 8px;
  border-radius: 8px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  margin-bottom: 18px;
}

.detail-title {
  font-size: 21px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 14px;
  word-break: break-word;
}

.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 22px;
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border);
}

.detail-meta .meta-tag {
  background: var(--card-bg);
  padding: 3px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
}
.detail-meta .star { color: #f5a623; font-weight: 600; }

.detail-block { margin-bottom: 22px; }

.detail-label {
  font-size: 11px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  font-weight: 700;
}

.detail-summary {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
  word-break: break-word;
}

.detail-value {
  font-size: 14px;
  color: var(--accent-green);
  background: rgba(74, 222, 128, 0.08);
  padding: 14px 16px;
  border-radius: 12px;
  border-left: 3px solid var(--accent-green);
  line-height: 1.6;
}

.detail-actions {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.detail-link {
  flex: 1;
  min-width: 140px;
  padding: 13px 18px;
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: #fff;
  text-decoration: none;
  border-radius: 12px;
  font-size: 14px;
  font-weight: 700;
  text-align: center;
  display: block;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.detail-link.secondary {
  background: var(--card-bg);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow: none;
}