:root {
  --bg: #fdf7f0;
  --card: #ffffff;
  --text: #292524;
  --text-soft: #78716c;
  --text-muted: #a8a29e;
  --accent: #f97316;
  --accent-strong: #c2410c;
  --accent-grad: linear-gradient(135deg, #f97316 0%, #f59e0b 55%, #fbbf24 100%);
  --border: #f0e2d3;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-hover: 0 10px 24px rgba(0, 0, 0, 0.10);
  --radius: 14px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.9, 0.64, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --tag-bg: #fff1e2;
  --tag-lang-bg: #fef3c7;
  --tag-lang-color: #b45309;
  --region-bg: #ffe4e6;
  --region-color: #be123c;
  --region-grad: linear-gradient(135deg, #f43f5e 0%, #fb923c 100%);
  --earth-halo: radial-gradient(circle, transparent 0px, rgba(255, 255, 255, 0.45) 285px, rgba(251, 146, 60, 0.28) 335px, transparent 360px);
  --star-color: #e7e5e4;
  --star-active: #f59e0b;
  --img-bg: #fde8d7;
}

:root[data-theme="dark"] {
  --bg: #14102a;
  --card: #1e1b36;
  --text: #ede9fe;
  --text-soft: #c4b5fd;
  --text-muted: #8b85a8;
  --accent: #a78bfa;
  --accent-strong: #8b5cf6;
  --accent-grad: linear-gradient(135deg, #4c1d95 0%, #6d28d9 40%, #3b82f6 78%, #7dd3fc 100%);
  --border: #312e52;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.4), 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 10px 24px rgba(0, 0, 0, 0.55);
  --tag-bg: #2e2a55;
  --tag-lang-bg: #1e1b4b;
  --tag-lang-color: #a5b4fc;
  --region-bg: #3b2a5f;
  --region-color: #c4b5fd;
  --region-grad: linear-gradient(135deg, #7c3aed 0%, #a78bfa 100%);
  --earth-halo: radial-gradient(circle, transparent 0px, rgba(162, 28, 175, 0.45) 285px, rgba(76, 29, 149, 0.28) 335px, transparent 360px);
  --star-color: #6b6480;
  --star-active: #fbbf24;
  --img-bg: #312e52;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", -apple-system, BlinkMacSystemFont, sans-serif;
  background: #000;
  color: var(--text);
  line-height: 1.6;
  transition: background 0.25s, color 0.25s;
}

/* ---------- 顶栏 ---------- */
.topbar {
  background: var(--accent-grad);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.topbar-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  display: inline-block;
  width: 32px;
  height: 32px;
  transition: transform 0.45s var(--ease-spring);
  filter: drop-shadow(0 0 5px rgba(255, 213, 79, 0.45));
}
.brand-mark:hover { transform: scale(1.12) rotate(-4deg); }
.brand-text h1 { font-size: 20px; font-weight: 700; letter-spacing: 1px; }
.brand-text p { font-size: 12px; opacity: 0.85; }

.topbar-actions { display: flex; align-items: center; gap: 12px; }
.live-indicator {
  display: flex; align-items: center; gap: 7px;
  font-size: 13px; background: rgba(255, 255, 255, 0.14);
  padding: 6px 12px; border-radius: 20px;
}
.live-indicator .dot {
  width: 9px; height: 9px; border-radius: 50%;
  background: #fbbf24; animation: pulse 1.6s infinite;
}
.live-indicator.live .dot { background: #34d399; animation: none; }
.live-indicator.off .dot { background: #f87171; animation: none; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}
.icon-btn {
  background: rgba(255, 255, 255, 0.16); border: none; color: #fff;
  width: 38px; height: 38px; border-radius: 50%; font-size: 18px;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: background 0.3s var(--ease-out), transform 0.45s var(--ease-spring);
}
.icon-btn:hover { background: rgba(255, 255, 255, 0.28); transform: rotate(20deg) scale(1.06); }
.icon-btn:active { transform: rotate(20deg) scale(0.9); }
.btn-refresh {
  background: #fff; color: var(--accent-strong); border: none;
  padding: 7px 16px; border-radius: 20px; font-size: 14px;
  font-weight: 600; cursor: pointer;
  transition: transform 0.35s var(--ease-spring), box-shadow 0.35s var(--ease-out);
}
.btn-refresh:hover { transform: translateY(-2px) scale(1.04); box-shadow: 0 6px 16px rgba(0,0,0,0.22); }
.btn-refresh:active { transform: translateY(0) scale(0.95); }
.btn-refresh.loading { opacity: 0.6; pointer-events: none; }

/* ---------- 工具栏 ---------- */
.toolbar {
  max-width: 1200px; margin: 0 auto; padding: 16px 20px 0;
  display: flex; flex-direction: column; gap: 12px;
}
.categories { display: flex; gap: 8px; flex-wrap: wrap; }
.cat-btn {
  border: 1px solid var(--border); background: var(--card); color: var(--text-soft);
  padding: 7px 16px; border-radius: 20px; font-size: 14px; cursor: pointer;
  transition: transform 0.3s var(--ease-spring), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}
.cat-btn:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.cat-btn:active { transform: scale(0.92); }
.cat-btn.active {
  background: var(--accent-grad); color: #fff; border-color: transparent; font-weight: 600;
}

.toolbar-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.view-group { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: var(--card); }
.view-btn { border: none; background: transparent; padding: 7px 14px; font-size: 13px; cursor: pointer; color: var(--text-soft); transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), transform 0.3s var(--ease-spring); }
.view-btn + .view-btn { border-left: 1px solid var(--border); }
.view-btn:hover { color: var(--accent); }
.view-btn:active { transform: scale(0.9); }
.view-btn.active { background: var(--accent-grad); color: #fff; }

.fav-btn {
  display: flex; align-items: center; gap: 5px;
  border: 1px solid var(--border); background: var(--card); color: var(--text-soft);
  padding: 7px 14px; border-radius: 20px; font-size: 13px; cursor: pointer;
  transition: transform 0.3s var(--ease-spring), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out), background 0.25s var(--ease-out);
}
.fav-btn:active { transform: scale(0.93); }
.fav-btn .fav-icon { color: var(--star-active); }
.fav-btn .fav-count { background: var(--border); border-radius: 10px; padding: 0 8px; font-size: 12px; }
.fav-btn:hover { border-color: var(--star-active); color: var(--star-active); }
.fav-btn.active { background: var(--star-active); color: #fff; border-color: var(--star-active); }
.fav-btn.active .fav-icon { color: #fff; }
.fav-btn.active .fav-count { background: rgba(255,255,255,0.3); color: #fff; }

.lang-group { display: flex; gap: 0; border: 1px solid var(--border); border-radius: 20px; overflow: hidden; background: var(--card); }
.lang-btn { border: none; background: transparent; padding: 7px 14px; font-size: 13px; cursor: pointer; color: var(--text-soft); transition: background 0.25s var(--ease-out), color 0.25s var(--ease-out), transform 0.3s var(--ease-spring); }
.lang-btn + .lang-btn { border-left: 1px solid var(--border); }
.lang-btn:hover { color: var(--accent); }
.lang-btn:active { transform: scale(0.9); }
.lang-btn.active { background: var(--accent-grad); color: #fff; }

.source-select, .search-input {
  border: 1px solid var(--border); background: var(--card); border-radius: 20px;
  padding: 8px 14px; font-size: 14px; color: var(--text); outline: none;
}
.source-select { min-width: 150px; }
.source-select option { background: var(--card); color: var(--text); }
.search-input { flex: 1; min-width: 180px; }
.source-select:focus, .search-input:focus { border-color: var(--accent); }

/* ---------- 内容 ---------- */
.content { max-width: 1200px; margin: 0 auto; padding: 20px; }
.status-bar {
  font-size: 13px; color: var(--text-soft); margin-bottom: 14px; min-height: 20px;
}

/* 卡片视图 */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}
.card {
  position: relative;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow);
  display: flex; flex-direction: column;
  transition: transform 0.4s var(--ease-out), box-shadow 0.4s var(--ease-out);
  animation: card-in 0.5s var(--ease-out) backwards;
}
.card:hover { transform: translateY(-6px) scale(1.012); box-shadow: var(--shadow-hover); }
@keyframes card-in {
  from { opacity: 0; transform: translateY(18px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
.card-img {
  width: 100%; height: 170px; object-fit: cover; background: var(--img-bg); display: block;
  transition: transform 0.7s var(--ease-out);
}
.card:hover .card-img { transform: scale(1.06); }
.card-body { padding: 15px 16px 18px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag {
  font-size: 11px; padding: 2px 9px; border-radius: 10px; font-weight: 600;
  background: var(--tag-bg); color: var(--accent);
}
.tag.lang { background: var(--tag-lang-bg); color: var(--tag-lang-color); }
.card-title { font-size: 16px; font-weight: 700; line-height: 1.4; }
.card-title a { color: var(--text); text-decoration: none; transition: color 0.25s var(--ease-out); }
.card-title a:hover { color: var(--accent); }
.card-summary {
  font-size: 13.5px; color: var(--text-soft);
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.card-footer { margin-top: auto; display: flex; justify-content: space-between; font-size: 12px; color: var(--text-muted); }

/* 收藏星标 */
.star {
  border: none; background: transparent; cursor: pointer;
  color: var(--star-color); font-size: 20px; line-height: 1; padding: 2px;
  transition: color 0.25s var(--ease-out), transform 0.35s var(--ease-spring);
}
.star:hover { color: var(--star-active); transform: scale(1.25); }
.star:active { transform: scale(0.85); }
.star.fav { color: var(--star-active); }
.card .star {
  position: absolute; top: 10px; right: 10px;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--card); box-shadow: 0 1px 4px rgba(0,0,0,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; z-index: 2;
}

/* 列表项（来源分栏 / 时间聚合共用） */
.list-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 10px 14px; border-bottom: 1px solid var(--border);
  transition: background 0.25s var(--ease-out);
  animation: fadeIn 0.3s var(--ease-out) backwards;
}
.list-item:hover { background: var(--bg); }
.list-item:last-child { border-bottom: none; }
.list-item .star { flex: 0 0 auto; font-size: 18px; padding-top: 1px; }
.list-item-body { min-width: 0; }
.list-item-title {
  display: inline-block; font-size: 14px; font-weight: 600; line-height: 1.45;
  color: var(--text); text-decoration: none;
  transition: color 0.25s var(--ease-out);
}
.list-item-title:hover { color: var(--accent); }
.list-item-meta { font-size: 12px; color: var(--text-muted); margin-top: 2px; display: flex; flex-wrap: wrap; gap: 0 6px; }

/* 来源分栏视图 */
.source-cols {
  display: flex; gap: 16px; overflow-x: auto; padding-bottom: 8px; align-items: flex-start;
  scrollbar-width: thin;
}
.source-col {
  flex: 0 0 300px; background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden;
  display: flex; flex-direction: column; max-height: 72vh;
}
.source-col-header {
  padding: 12px 16px; font-weight: 700; border-bottom: 1px solid var(--border);
  display: flex; justify-content: space-between; align-items: center;
  background: var(--bg);
}
.source-col-header .count { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.source-col-body { overflow-y: auto; }

/* 时间聚合视图 */
.time-groups { display: flex; flex-direction: column; gap: 20px; }
.time-group { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.time-group-header {
  padding: 12px 16px; display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; border-bottom: 1px solid var(--border); background: var(--bg);
}
.time-group-header .count { font-size: 12px; color: var(--text-muted); font-weight: 600; }
.time-group-body { }

/* 空状态 */
.empty {
  text-align: center; padding: 60px 20px; color: var(--text-soft);
}
.empty .big { font-size: 48px; }

/* ---------- 页脚 ---------- */
.footer {
  max-width: 1200px; margin: 0 auto; padding: 24px 20px 40px;
  text-align: center; font-size: 12px; color: var(--text-muted);
  border-top: 1px solid var(--border); margin-top: 20px;
}
.footer p + p { margin-top: 4px; }

/* ---------- 界面语言选择器（顶栏） ---------- */
.ui-lang-select {
  background: rgba(255, 255, 255, 0.16); color: #fff; border: 1px solid rgba(255,255,255,0.3);
  border-radius: 20px; padding: 6px 12px; font-size: 13px; outline: none; cursor: pointer;
  max-width: 130px;
}
.ui-lang-select option { background: #1e293b; color: #fff; }

/* ---------- 工具栏下拉框 ---------- */
.select {
  border: 1px solid var(--border); background: var(--card); border-radius: 20px;
  padding: 8px 14px; font-size: 14px; color: var(--text); outline: none; min-width: 150px; cursor: pointer;
}
.select option { background: var(--card); color: var(--text); }
.select:focus { border-color: var(--accent); }

/* ---------- 翻译按钮与结果 ---------- */
.tr-btn {
  border: 1px solid var(--border); background: transparent; color: var(--text-soft);
  font-size: 12px; padding: 1px 9px; border-radius: 10px; cursor: pointer;
  transition: transform 0.3s var(--ease-spring), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out), background 0.25s var(--ease-out);
  white-space: nowrap;
}
.tr-btn:hover { border-color: var(--accent); color: var(--accent); }
.tr-btn:active { transform: scale(0.9); }
.tr-btn.active { background: var(--accent-grad); color: #fff; border-color: transparent; }
.card-footer-right { display: flex; gap: 8px; }
.list-item .tr-btn { margin: 4px 0 0; }

.translated {
  margin-top: 8px; padding: 8px 12px; border-left: 3px solid var(--accent);
  background: var(--bg); border-radius: 6px; font-size: 13px; line-height: 1.5;
  animation: fadeIn 0.3s var(--ease-out) backwards;
}
.translated-title { font-weight: 600; color: var(--text); margin-bottom: 4px; }
.translated-summary { color: var(--text-soft); }
.card-meta-source { color: var(--text-muted); font-size: 12px; }

/* ---------- 地区标签与地区导航 ---------- */
.tag.region { background: var(--region-bg); color: var(--region-color); }

.region-btn.active { background: var(--region-grad); border-color: transparent; color: #fff; }

/* ---------- 目录（语言/领域/地区 三栏） ---------- */
.catalog-toggle {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text-soft);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  cursor: pointer;
  transition: transform 0.3s var(--ease-spring), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.catalog-toggle:hover { border-color: var(--accent); color: var(--accent); }
.catalog-toggle:active { transform: scale(0.94); }
.catalog-toggle .catalog-toggle-chevron {
  display: inline-block;
  transition: transform 0.45s var(--ease-spring);
}
.catalog-toggle.collapsed .catalog-toggle-chevron { transform: rotate(-90deg); }

.catalog {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 420px;
  overflow: hidden;
  transition: max-height 0.55s var(--ease-out), opacity 0.4s var(--ease-out), margin 0.55s var(--ease-out);
}
.catalog.collapsed {
  max-height: 0;
  opacity: 0;
  margin-top: -12px;
  margin-bottom: -12px;
  pointer-events: none;
}
.catalog-row { display: flex; align-items: flex-start; gap: 10px; }
.catalog-label {
  flex: 0 0 auto; min-width: 44px; font-size: 13px; font-weight: 700;
  color: var(--text-soft); padding-top: 7px; text-align: right;
}
.pills { display: flex; gap: 8px; flex-wrap: wrap; flex: 1; min-width: 0; }

/* ---------- 每日精华 ---------- */
.daily-header { margin-bottom: 16px; }
.daily-header h2 { font-size: 20px; font-weight: 700; }
.daily-header p { font-size: 13px; color: var(--text-muted); margin-top: 2px; }

.summary-btn {
  display: inline-block; margin-top: 8px;
  border: 1px solid var(--accent); background: transparent; color: var(--accent);
  padding: 6px 14px; border-radius: 18px; font-size: 13px; cursor: pointer;
  transition: all 0.15s;
}
.summary-btn:hover { background: var(--accent); color: #fff; }
.summary-btn:disabled { opacity: 0.6; cursor: default; }
.summary-box {
  margin-bottom: 16px; padding: 14px 16px; border: 1px solid var(--border);
  border-left: 4px solid var(--accent); border-radius: 10px; background: var(--card);
  animation: fadeIn 0.25s ease;
}
.summary-text { font-size: 14px; line-height: 1.8; white-space: pre-wrap; color: var(--text); }
.summary-error { color: #dc2626; }

/* ---------- 额外动效 ---------- */
.source-col {
  transition: transform 0.35s var(--ease-out), box-shadow 0.35s var(--ease-out);
}
.source-col:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); }

.source-select, .search-input {
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}
.source-select:focus, .search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 20%, transparent);
}

/* 无障碍：尊重系统「减少动态效果」设置 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- 背景写实旋转地球 ---------- */
.toolbar, .content, .footer { position: relative; z-index: 1; }

.bg-earth-wrap {
  position: fixed;
  top: 4%;
  right: -14%;
  width: 720px;
  height: 720px;
  border-radius: 50%;
  z-index: 0;
  pointer-events: none;
  background: var(--earth-halo);
}
.bg-earth {
  position: absolute;
  top: 60px;
  left: 60px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  overflow: hidden;
}
.bg-earth-face {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-radius: 50%;
  background-image: url("/earth.jpg");
  background-size: cover;
  background-position: center;
  animation: earth-spin 120s linear infinite;
  will-change: transform;
}
.bg-earth::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, rgba(255, 255, 255, 0.34), rgba(255, 255, 255, 0) 44%, rgba(0, 0, 0, 0.28) 66%, rgba(0, 0, 0, 0.72) 100%);
  box-shadow:
    inset -70px -50px 110px rgba(0, 0, 0, 0.78),
    inset 30px 25px 70px rgba(255, 255, 255, 0.24);
}
@keyframes earth-spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@media (max-width: 768px) {
  .bg-earth-wrap {
    top: 50%;
    left: 50%;
    right: auto;
    transform: translate(-50%, -50%) scale(0.5);
  }
}

@media (max-width: 640px) {
  * { -webkit-tap-highlight-color: transparent; }

  /* 顶栏：压缩布局，隐藏次要元素 */
  .topbar-inner { padding: 10px 12px; gap: 8px; }
  .brand { gap: 8px; }
  .brand-mark { width: 26px; height: 26px; }
  .brand-text { min-width: 0; }
  .brand-text h1 { font-size: 17px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .brand-text p { display: none; }
  .live-indicator { display: none; }
  .topbar-actions { gap: 8px; }
  .ui-lang-select { max-width: 88px; padding: 5px 8px; font-size: 12px; }
  .icon-btn { width: 34px; height: 34px; font-size: 16px; }
  .btn-refresh { padding: 6px 12px; font-size: 13px; }

  /* 目录三栏：标签 + 胶囊横向滑动 */
  .toolbar { padding: 12px 12px 0; gap: 10px; }
  .catalog.collapsed { margin-top: -10px; margin-bottom: -10px; }
  .catalog-row { gap: 6px; }
  .catalog-label { min-width: 36px; font-size: 12px; padding-top: 8px; }
  .pills {
    flex-wrap: nowrap; overflow-x: auto; -webkit-overflow-scrolling: touch;
    padding-bottom: 4px; scrollbar-width: none;
  }
  .pills::-webkit-scrollbar { display: none; }
  .pills .cat-btn { flex: 0 0 auto; white-space: nowrap; }

  /* 工具栏行：纵向排列 */
  .toolbar-row { flex-direction: column; align-items: stretch; gap: 8px; }
  .view-group, .fav-btn { align-self: flex-start; }
  .select { width: 100%; min-width: 0; }
  .search-input { width: 100%; min-width: 0; }

  /* 内容 */
  .content { padding: 14px 12px; }
  .grid { grid-template-columns: 1fr; gap: 14px; }
  .card-img { height: 160px; }
  .source-col { flex-basis: 280px; }
  .footer { padding: 18px 14px 32px; }
}