/* ===== 暗色科技风 · 全局 ===== */
:root {
  --bg: #0a0e17;
  --bg-2: #0f1623;
  --panel: #121a2a;
  --panel-2: #1a2436;
  --border: #1f2d44;
  --border-hi: #2a3d5c;
  --text: #d7e3f4;
  --text-dim: #7e8fab;
  --accent: #00e5ff;
  --accent-2: #00b3cc;
  --accent-glow: rgba(0, 229, 255, 0.45);
  --green: #00ff9d;
  --radius: 10px;
  --mono: "JetBrains Mono", "Fira Code", "SF Mono", Consolas, Monaco, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
}

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

html, body { height: 100%; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* 背景网格 */
.grid-bg {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at 50% 0%, #000 30%, transparent 80%);
  pointer-events: none;
  z-index: 0;
}

/* ===== 推广位 ===== */
.promo-bar {
  position: relative;
  z-index: 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  padding: 10px 24px;
  background: var(--bg-2);
  border-bottom: 1px solid var(--border);
}
.promo-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  border-radius: var(--radius);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.18s, box-shadow 0.18s;
}
.promo-item::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid transparent;
  border-radius: var(--radius);
  pointer-events: none;
  transition: border-color 0.18s;
}
.promo-item:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.35);
}
.promo-item:hover::after { border-color: rgba(255, 255, 255, 0.25); }

.promo-1 {
  background: linear-gradient(120deg, rgba(0, 229, 255, 0.16), rgba(0, 179, 204, 0.08));
}
.promo-2 {
  background: linear-gradient(120deg, rgba(0, 255, 157, 0.14), rgba(0, 200, 130, 0.06));
}
.promo-tag {
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}
.promo-1 .promo-tag { color: #001018; background: var(--accent); }
.promo-2 .promo-tag { color: #00150c; background: var(--green); }

.promo-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.promo-desc {
  font-size: 12px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.promo-go {
  margin-left: auto;
  flex-shrink: 0;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  opacity: 0.7;
  transition: opacity 0.18s, transform 0.18s;
}
.promo-2 .promo-go { color: var(--green); }
.promo-item:hover .promo-go { opacity: 1; transform: translateX(3px); }

@media (max-width: 860px) {
  .promo-bar { grid-template-columns: 1fr; padding: 10px 14px; }
  .promo-desc { display: none; }
}

/* ===== 全局提示横幅 ===== */
.notice-banner {
  position: relative;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 24px;
  background: linear-gradient(90deg, rgba(0, 229, 255, 0.08), rgba(0, 255, 157, 0.06));
  border-bottom: 1px solid var(--border);
  color: var(--text);
  font-size: 13px;
}
.notice-banner .banner-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--accent);
  color: #001018;
  font-weight: 700;
  font-size: 12px;
  font-family: var(--mono);
}
.notice-banner .banner-text { flex: 1; line-height: 1.5; }
.notice-banner .banner-text strong { color: var(--accent); margin-right: 4px; }
.notice-banner .banner-close {
  flex-shrink: 0;
  width: 24px; height: 24px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-dim);
  font-size: 16px;
  cursor: pointer;
  line-height: 1;
  transition: all 0.15s;
}
.notice-banner .banner-close:hover { color: var(--text); border-color: var(--border-hi); }

/* 行内链接（备注/提示中的 url） */
.inline-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
  word-break: break-all;
}
.inline-link:hover { opacity: 0.8; }

/* ===== 顶部栏 ===== */
.topbar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  flex-wrap: wrap;
}

.brand { display: flex; align-items: center; gap: 10px; }
.brand h1 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1px;
}
.logo-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow), 0 0 4px var(--accent);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}
.brand-sub {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 1.5px;
}

.search-wrap { position: relative; flex: 1; max-width: 420px; min-width: 220px; }
#search {
  width: 100%;
  padding: 10px 14px 10px 38px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 14px;
  font-family: var(--sans);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
#search::placeholder { color: var(--text-dim); }
#search:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}
.search-icon {
  position: absolute;
  left: 13px; top: 50%;
  transform: translateY(-50%);
  color: var(--text-dim);
  font-size: 18px;
  pointer-events: none;
}

/* ===== 布局 ===== */
.layout {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 0;
  max-width: 1280px;
  margin: 0 auto;
  min-height: calc(100vh - 130px);
}

/* 侧边栏 */
.sidebar {
  padding: 28px 20px;
  border-right: 1px solid var(--border);
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-title {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 2px;
  color: var(--text-dim);
  text-transform: uppercase;
  margin-bottom: 14px;
}
.cat-list { display: flex; flex-direction: column; gap: 2px; }
.cat-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  color: var(--text-dim);
  font-size: 14px;
  transition: all 0.15s;
  border-left: 2px solid transparent;
}
.cat-item:hover { color: var(--text); background: var(--panel); }
.cat-item.active {
  color: var(--accent);
  background: rgba(0, 229, 255, 0.08);
  border-left-color: var(--accent);
}
.cat-item .cat-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cat-item .cat-count {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  background: var(--panel-2);
  padding: 1px 7px;
  border-radius: 10px;
}
.cat-item.active .cat-count { color: var(--accent); background: rgba(0, 229, 255, 0.12); }

.sidebar-stat {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}
.sidebar-stat span { color: var(--green); }

/* 内容区 */
.content { padding: 28px 32px; }
.content-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}
.current-cat {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.current-cat::before {
  content: "> ";
  color: var(--accent);
  font-family: var(--mono);
}
.result-count { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
.result-count span { color: var(--text); }

/* 卡片网格 */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 14px;
}
.card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  transition: transform 0.18s, border-color 0.18s, box-shadow 0.18s;
  overflow: hidden;
}
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(var(--accent), var(--accent-2));
  opacity: 0;
  transition: opacity 0.18s;
}
.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hi);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 229, 255, 0.15);
}
.card:hover::before { opacity: 1; }

/* 拉伸主链接：覆盖整张卡片，整卡可点击跳转主链接 */
.card-link {
  position: absolute;
  inset: 0;
  z-index: 2;
}
/* 漫画按钮 / 备注内行内链接：置于最上层，可独立点击 */
.card-manga,
.card .inline-link {
  position: relative;
  z-index: 3;
}

.card-title {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.card-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.tag {
  font-family: var(--mono);
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 4px;
  letter-spacing: 0.3px;
}
.tag-cat { color: var(--accent); background: rgba(0, 229, 255, 0.1); }
.tag-src { color: var(--text-dim); background: var(--panel-2); }
.tag-code {
  color: #1a0f00;
  background: linear-gradient(90deg, #ffc53d, #ff9c2e);
  font-weight: 600;
}
.card-note {
  font-size: 12.5px;
  line-height: 1.5;
  color: var(--text-dim);
  padding: 6px 10px;
  background: var(--bg-2);
  border-left: 2px solid var(--accent-2);
  border-radius: 0 6px 6px 0;
  word-break: break-word;
}
.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
}
.card-url {
  flex: 1;
  min-width: 0;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 漫画链接按钮（部分动漫条目） */
.card-manga {
  flex-shrink: 0;
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  background: rgba(0, 255, 157, 0.1);
  border: 1px solid rgba(0, 255, 157, 0.3);
  padding: 3px 10px;
  border-radius: 12px;
  text-decoration: none;
  white-space: nowrap;
  max-width: 60%;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.15s, border-color 0.15s;
}
.card-manga:hover {
  background: rgba(0, 255, 157, 0.2);
  border-color: var(--green);
}
.card-go {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--accent);
  opacity: 0;
  transform: translateX(-6px);
  transition: opacity 0.18s, transform 0.18s;
  flex-shrink: 0;
}
.card:hover .card-go { opacity: 1; transform: translateX(0); }

/* 分节标题 */
.section-divider {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 18px 0 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--border);
}
.section-divider:first-child { margin-top: 0; border-top: none; padding-top: 0; }
.section-bar {
  width: 3px; height: 16px;
  background: var(--green);
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(0, 255, 157, 0.4);
}
.section-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  letter-spacing: 0.5px;
}
.section-tip {
  font-size: 12px;
  color: var(--text-dim);
  padding: 2px 8px;
  background: var(--panel-2);
  border-radius: 4px;
}

/* 空状态 */
.empty {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-dim);
}
.empty-icon { font-size: 48px; margin-bottom: 12px; opacity: 0.4; }

/* 分页 */
.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin: 28px 0 12px;
  padding: 16px;
}
.page-btn {
  min-width: 38px;
  height: 38px;
  padding: 0 12px;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.16s;
}
.page-btn:hover:not(:disabled):not(.active) {
  color: var(--text);
  border-color: var(--accent);
  background: rgba(0, 229, 255, 0.08);
}
.page-btn.active {
  color: #001018;
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 700;
  cursor: default;
}
.page-btn:disabled,
.page-btn.disabled {
  opacity: 0.35;
  cursor: not-allowed;
}
.page-nav { font-family: var(--font); letter-spacing: 0.5px; }
.page-ellipsis {
  color: var(--text-dim);
  padding: 0 4px;
  user-select: none;
}
.page-info {
  width: 100%;
  text-align: center;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
  opacity: 0.7;
}
@media (max-width: 860px) {
  .page-btn { min-width: 34px; height: 34px; padding: 0 8px; font-size: 12px; }
  .page-nav { padding: 0 10px; }
}

/* 页脚 */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 24px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  letter-spacing: 0.5px;
}

/* ===== 留言反馈 / Giscus ===== */
.comments {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 8px 0 0;
}
.comments-inner {
  margin-left: 220px;
  padding: 24px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.comments-head { margin-bottom: 18px; }
.comments-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.5px;
}
.comments-title::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 16px;
  margin-right: 10px;
  vertical-align: -2px;
  background: var(--accent);
  border-radius: 2px;
}
.comments-desc {
  margin-top: 6px;
  font-size: 13px;
  color: var(--text-dim);
}
.giscus { min-height: 120px; }
.giscus-pending {
  padding: 24px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
}

/* ===== 主题切换按钮 ===== */
.theme-toggle {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.12s;
}
.theme-toggle:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}
.theme-toggle:active { transform: scale(0.92); }
.theme-toggle-icon { pointer-events: none; }

/* 跳转到 DorkHunt 搜索语法生成器 */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-link {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  height: 40px;
  padding: 0 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-decoration: none;
  transition: border-color 0.18s, box-shadow 0.18s, transform 0.12s;
}
.nav-link:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
}
.nav-link:active { transform: scale(0.96); }

/* ===== 明亮主题 =====
   通过 [data-theme="light"] 覆盖根变量，暗色保持默认 */
:root[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-2: #eaeef6;
  --panel: #ffffff;
  --panel-2: #eef2f8;
  --border: #d6deea;
  --border-hi: #b9c5d6;
  --text: #1a2433;
  --text-dim: #5d6b82;
  --accent: #0088a8;
  --accent-2: #006d88;
  --accent-glow: rgba(0, 136, 168, 0.25);
  --green: #00a86b;
}
:root[data-theme="light"] body { background: var(--bg); }
:root[data-theme="light"] .grid-bg {
  background-image:
    linear-gradient(rgba(0, 136, 168, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 136, 168, 0.05) 1px, transparent 1px);
}
:root[data-theme="light"] .topbar { background: rgba(244, 246, 251, 0.85); }
:root[data-theme="light"] .page-btn { background: rgba(0, 0, 0, 0.03); }
:root[data-theme="light"] .theme-toggle:hover {
  box-shadow: 0 0 0 3px rgba(0, 136, 168, 0.15);
}

/* ===== 响应式 ===== */
@media (max-width: 860px) {
  .topbar { padding: 14px 18px; }
  .layout { grid-template-columns: 1fr; }
  .sidebar {
    position: static;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 16px 18px;
  }
  .cat-list { flex-direction: row; flex-wrap: wrap; gap: 6px; }
  .cat-item { border-left: none; border: 1px solid var(--border); }
  .cat-item.active { border-color: var(--accent); }
  .content { padding: 20px 18px; }
  .cards { grid-template-columns: 1fr; }
  .theme-toggle { width: 36px; height: 36px; font-size: 16px; }
  .nav-link { height: 36px; padding: 0 10px; font-size: 12px; }
  .comments { padding: 8px 18px 0; }
  .comments-inner { margin-left: 0; }
}