/* ============================================
   项目库
   ============================================ */

.site-head {
  position: relative;
  z-index: 2;
  border-bottom: 1px solid var(--line);
  background: var(--head-bg);
  backdrop-filter: blur(12px);
}

.site-head-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 66px;
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--text);
}

.brand-slash {
  color: var(--line-strong);
  letter-spacing: 0;
}

.brand-sub {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.head-nav {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 14px;
  color: var(--muted);
}

.head-nav a {
  transition: color 0.25s ease;
}

.head-nav a:hover {
  color: var(--text);
}

.head-nav .head-cta {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.head-nav .head-cta:hover {
  border-color: var(--line-strong);
  background: var(--tint-3);
}

/* ---------- 主题切换器 ---------- */

.theme-picker {
  display: flex;
  align-items: center;
  gap: 8px;
}

.theme-dot {
  position: relative;
  width: 16px;
  height: 16px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.theme-dot[data-set-theme="night"] {
  background: linear-gradient(135deg, #4c6bff, #ef5bff);
}

.theme-dot[data-set-theme="terminal"] {
  background: linear-gradient(135deg, #39ff88, #00b877);
}

.theme-dot[data-set-theme="paper"] {
  background: linear-gradient(135deg, #f4f2ec, #cfc7b6);
}

.theme-dot:hover {
  transform: scale(1.18);
}

.theme-dot.is-active {
  transform: scale(1.15);
  box-shadow: 0 0 0 2px var(--void), 0 0 0 3px var(--text);
}

/* ---------- 工具条 ---------- */

.list-view {
  flex: 1;
  padding-bottom: clamp(48px, 8vh, 88px);
}

.list-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 26px;
  padding: 26px 0 22px;
  border-bottom: 1px solid var(--line);
}

.search-field {
  display: flex;
  align-items: center;
  gap: 8px;
  width: min(240px, 100%);
  padding: 8px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--tint-2);
  cursor: text;
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.search-field:focus-within {
  border-color: var(--line-strong);
  background: var(--tint-3);
}

.search-field svg {
  width: 14px;
  height: 14px;
  flex: none;
  color: var(--dim);
}

.search-input {
  flex: 1;
  min-width: 0;
  padding: 0;
  border: none;
  outline: none;
  background: transparent;
  font-family: var(--sans);
  font-size: 13px;
  color: var(--text);
  -webkit-text-fill-color: var(--text);
  caret-color: var(--text);
}

.search-input::placeholder {
  color: var(--dim);
  -webkit-text-fill-color: var(--dim);
}

.search-input::-webkit-search-cancel-button {
  -webkit-appearance: none;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.filter-btn {
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: transparent;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.03em;
  color: var(--muted);
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.25s ease,
    background-color 0.25s ease;
}

.filter-btn:hover {
  color: var(--text);
  border-color: var(--line-strong);
}

.filter-btn.is-active {
  color: var(--on-accent);
  border-color: transparent;
  background-image: var(--grad);
}

.list-count {
  margin-left: auto;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--dim);
}

.admin-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border: 1px dashed var(--chip-line);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 12px;
  color: var(--chip-text);
  transition: border-color 0.25s ease, color 0.25s ease;
}

.admin-chip:hover {
  border-color: var(--text);
  color: var(--text);
}

/* ---------- 网格 ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(274px, 1fr));
  gap: 18px;
}

.card {
  position: relative;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--tint-1) 0%, var(--tint-2) 100%);
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.16, 0.8, 0.28, 1),
    border-color 0.35s ease, box-shadow 0.35s ease;
}

a.card:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
  box-shadow: 0 26px 56px -34px var(--shadow);
}

.card-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: linear-gradient(
    135deg,
    var(--cover-a) 0%,
    var(--cover-b) 55%,
    var(--cover-c) 100%
  );
}

.card-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(
      to right,
      var(--cover-grid) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, var(--cover-grid) 1px, transparent 1px);
  background-size: 26px 26px;
  opacity: 0.6;
  pointer-events: none;
}

.card-cover img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.7s cubic-bezier(0.16, 0.8, 0.28, 1);
}

a.card:hover .card-cover img {
  transform: scale(1.045);
}

.card-initial {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 58px;
  font-weight: 700;
  letter-spacing: -0.04em;
  color: var(--initial);
  text-transform: uppercase;
}

.card-badge {
  position: absolute;
  z-index: 2;
  top: 12px;
  left: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--badge-bg);
  border: 1px solid var(--badge-line);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--badge-text);
  backdrop-filter: blur(6px);
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 20px 20px;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--dim);
}

.card-meta .dot-sep {
  color: var(--line);
}

.card-title {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--text);
}

.card-desc {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 6px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
}

.card-go {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: transform 0.3s ease, color 0.3s ease,
    border-color 0.3s ease, background-color 0.3s ease;
}

.card-go svg {
  width: 12px;
  height: 12px;
}

a.card:hover .card-go {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--tint-1);
  transform: translate(2px, -2px);
}

/* ---------- 空态 / 加载 / 错误 ---------- */

.state-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 72px 24px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  text-align: center;
  background: var(--tint-2);
}

.state-title {
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.state-text {
  margin: 0;
  max-width: 42ch;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.state-box .btn {
  margin-top: 10px;
  padding: 10px 20px;
  font-size: 14px;
}

.skeleton {
  height: 258px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(
      100deg,
      var(--skel-a) 30%,
      var(--skel-b) 50%,
      var(--skel-a) 70%
    ),
    var(--tint-2);
  background-size: 220% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

@keyframes shimmer {
  from {
    background-position: 120% 0;
  }
  to {
    background-position: -120% 0;
  }
}

.list-foot {
  margin-top: auto;
}

@media (max-width: 640px) {
  .site-head-inner {
    min-height: 58px;
  }

  .brand-sub {
    display: none;
  }

  .head-nav {
    gap: 12px;
    font-size: 13px;
  }

  .head-nav .nav-home {
    display: none;
  }

  .theme-picker {
    gap: 7px;
  }

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

  .search-field {
    width: 100%;
  }

  .list-count {
    margin-left: 0;
    width: 100%;
  }
}

/* ---------- 自选配色 ---------- */

.theme-picker {
  position: relative;
}

.theme-dot[data-set-theme="custom"] {
  background: conic-gradient(
    from 0deg,
    #ff7a45,
    #ffd166,
    #39ff88,
    #4cc9ff,
    #7c8cff,
    #ef5bff,
    #ff7a45
  );
}

.theme-panel {
  position: absolute;
  top: calc(100% + 14px);
  right: -6px;
  z-index: 30;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 242px;
  padding: 14px;
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  background: var(--surface-2);
  box-shadow: 0 24px 60px -30px rgba(0, 0, 0, 0.9);
}

.theme-panel::before {
  content: "";
  position: absolute;
  top: -6px;
  right: 16px;
  width: 10px;
  height: 10px;
  border-left: 1px solid var(--line-strong);
  border-top: 1px solid var(--line-strong);
  background: var(--surface-2);
  transform: rotate(45deg);
}

.theme-panel-title {
  margin: 0;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.swatches {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.swatch {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  background: var(--sw);
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.swatch:hover {
  transform: scale(1.14);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--sw) 30%, transparent);
}

.theme-color {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  font-size: 12px;
  color: var(--muted);
  cursor: pointer;
}

.theme-color input {
  width: 40px;
  height: 26px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: transparent;
  cursor: pointer;
}

.theme-reset {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: transparent;
  color: var(--muted);
  font-size: 12px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease,
    background-color 0.2s ease;
}

.theme-reset:hover {
  color: var(--text);
  border-color: var(--line-strong);
  background: var(--tint-3);
}

/* ---------- 深浅色切换 ---------- */

.tone-switch {
  display: flex;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--tint-2);
}

.tone-switch button {
  flex: 1;
  padding: 6px 8px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 11.5px;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.tone-switch button:hover {
  color: var(--text);
}

.tone-switch button.is-active {
  background: var(--text);
  color: var(--void);
}

/* ---------- 正文字体选择 ---------- */

.font-switch {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--tint-2);
}

.font-switch button {
  padding: 6px 4px;
  border: none;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 11.5px;
  line-height: 1.35;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.font-switch button:hover {
  color: var(--text);
}

.font-switch button.is-active {
  background: var(--text);
  color: var(--void);
}

/* 每个选项用它自己的字体显示，选之前就能看出差别 */
.font-switch button[data-set-font="kai"] {
  font-family: var(--font-kai);
  font-size: 12.5px;
}

.font-switch button[data-set-font="kaiti"] {
  font-family: "Kaiti SC", "KaiTi", "STKaiti", serif;
  font-size: 12.5px;
}

.font-switch button[data-set-font="song"] {
  font-family: "Songti SC", "SimSun", "STSong", serif;
  font-size: 12.5px;
}

.font-switch button[data-set-font="mono"] {
  font-family: var(--mono);
}