/* ============================================
   BCJD 导航 - 公共样式
   ============================================ */

:root {
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --panel-2: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --border: rgba(255,255,255,.12);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --accent: #6ea8ff;
  --accent2: #7cf7d4;
  --danger: #ff6b6b;
  --ok: #3ddc97;
  --max: 1120px;
  --radius: 18px;
  --radius-sm: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Noto Sans CJK SC", "Microsoft YaHei", Arial, sans-serif;
}

html[data-theme="light"] {
  --bg: #f6f7fb;
  --panel: rgba(0,0,0,.04);
  --panel-2: rgba(0,0,0,.06);
  --text: rgba(0,0,0,.88);
  --muted: rgba(0,0,0,.58);
  --border: rgba(0,0,0,.10);
  --shadow: 0 10px 30px rgba(0,0,0,.12);
  --accent: #245bdb;
  --accent2: #0aa37f;
  --danger: #d64545;
  --ok: #0a7f5f;
}

@media (prefers-color-scheme: light) {
  html:not([data-theme="dark"]) {
    --bg: #f6f7fb;
    --panel: rgba(0,0,0,.04);
    --panel-2: rgba(0,0,0,.06);
    --text: rgba(0,0,0,.88);
    --muted: rgba(0,0,0,.58);
    --border: rgba(0,0,0,.10);
    --shadow: 0 10px 30px rgba(0,0,0,.12);
    --accent: #245bdb;
    --accent2: #0aa37f;
    --danger: #d64545;
    --ok: #0a7f5f;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  max-width: var(--max);
  margin: 0 auto;
  padding: 30px 18px 44px;
}

/* ===== 按钮通用样式 ===== */
button, .btn {
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  color: var(--text);
  cursor: pointer;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  transition: background .15s;
  white-space: nowrap;
}
button:hover, .btn:hover {
  background: var(--panel-2);
  border-color: rgba(110,168,255,.28);
}
button:active { transform: translateY(1px); }

.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.btn-primary:hover {
  opacity: .88;
  border-color: var(--accent);
  background: var(--accent);
}

.btn-danger {
  background: rgba(255,107,107,.15);
  border-color: rgba(255,107,107,.35);
  color: var(--danger);
}
.btn-danger:hover { background: rgba(255,107,107,.25); }

.btn-sm {
  height: 34px;
  padding: 0 12px;
  font-size: 12px;
}

/* ===== 模态框通用 ===== */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  align-items: center;
  justify-content: center;
}
.modal-overlay.active { display: flex; }

.modal-box {
  max-width: 92vw;
  max-height: 90vh;
  overflow-y: auto;
  padding: 28px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--bg);
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.modal-box h2 {
  margin: 0 0 6px;
  font-size: 20px;
  font-weight: 800;
}
.modal-box .btn-row {
  display: flex;
  gap: 10px;
  margin-top: 20px;
}
.modal-box .btn-row button {
  flex: 1;
  height: 44px;
  font-size: 14px;
  font-weight: 600;
}
.modal-box .modal-error {
  display: none;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255,107,107,.12);
  border: 1px solid rgba(255,107,107,.3);
  color: var(--danger);
  font-size: 13px;
}

/* ===== Toast 通知 ===== */
.toast {
  display: none;
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  padding: 12px 24px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  font-size: 14px;
  z-index: 999;
}
.toast.show { display: block; }
.toast.success { border-color: rgba(61,220,151,.35); color: var(--ok); }
.toast.error { border-color: rgba(255,107,107,.35); color: var(--danger); }

/* ===== 表单通用 ===== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 42px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 14px;
  font-family: var(--sans);
  outline: none;
  transition: border-color .15s;
}
.form-group textarea {
  height: auto;
  min-height: 60px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  resize: vertical;
  font-family: var(--mono);
  font-size: 13px;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group select option { background: var(--bg); color: var(--text); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.checkbox-row input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

/* ===== 前台首页专用样式 ===== */
body.index-page {
  background:
    radial-gradient(1000px 520px at 12% 12%, rgba(110,168,255,.18), transparent 55%),
    radial-gradient(900px 460px at 88% 20%, rgba(124,247,212,.14), transparent 55%),
    radial-gradient(860px 520px at 35% 100%, rgba(255,107,107,.08), transparent 55%),
    var(--bg);
}
.index-page a { color: inherit; text-decoration: none; }

.index-page header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 18px;
}
.index-page .brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.index-page .brand h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  letter-spacing: .2px;
}
.index-page .brand .sub {
  font-size: 13px;
  color: var(--muted);
  line-height: 1.45;
}
.index-page .toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
}

.index-page .pill {
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  color: var(--text);
  font-family: var(--mono);
  white-space: nowrap;
}

.index-page .search {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: min(560px, 100%);
  margin-bottom: 22px;
  padding: 13px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}
.index-page .search input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-family: var(--sans);
}
.index-page .search input::placeholder { color: var(--muted); }
.index-page .search kbd {
  padding: 3px 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

.index-page .board {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.index-page .section-block {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.index-page .section {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 10px;
  padding: 0 2px;
}
.index-page .section h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .9px;
  text-transform: uppercase;
  color: var(--muted);
}
.index-page .section .hint {
  font-size: 12px;
  color: var(--muted);
}

.index-page .grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}

.index-page .card {
  grid-column: span 4;
  min-height: 138px;
  padding: 14px 14px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), transparent 26%),
    linear-gradient(180deg, var(--panel), transparent 120%);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: relative;
  overflow: hidden;
  transition: transform .10s ease, border-color .15s ease, background .15s ease;
}
.index-page .card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.32), transparent);
  opacity: .75;
  pointer-events: none;
}
.index-page .card:hover {
  transform: translateY(-2px);
  border-color: rgba(110,168,255,.35);
  background:
    linear-gradient(180deg, rgba(255,255,255,.08), transparent 26%),
    linear-gradient(180deg, var(--panel-2), transparent 130%);
}
.index-page .card.private { border-left: 3px solid var(--danger); }

.index-page .card .top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.index-page .card .title {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.index-page .card .icon {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 13px;
  border: 1px solid var(--border);
  background:
    radial-gradient(18px 18px at 30% 30%, rgba(124,247,212,.35), transparent 60%),
    radial-gradient(18px 18px at 70% 70%, rgba(110,168,255,.32), transparent 60%),
    rgba(255,255,255,.06);
}
.index-page .card .icon svg {
  width: 20px;
  height: 20px;
  opacity: .92;
}
.index-page .card .name {
  font-size: 15px;
  font-weight: 780;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.index-page .card .meta {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.index-page .card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.index-page .card .tag {
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  font-size: 11px;
  line-height: 1;
}
.index-page .card .tag.ok {
  color: var(--ok);
  border-color: rgba(61,220,151,.35);
  background: rgba(61,220,151,.10);
}
.index-page .card .tag.warn {
  color: var(--danger);
  border-color: rgba(255,107,107,.35);
  background: rgba(255,107,107,.08);
}
.index-page .card .desc {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 36px;
}
.index-page .card .actions {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.index-page .card .go {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(110,168,255,.35);
  background: rgba(110,168,255,.14);
  font-size: 13px;
  font-weight: 730;
}
.index-page .card .go:hover { background: rgba(110,168,255,.20); }
.index-page .card .small {
  max-width: 48%;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-align: right;
  color: var(--muted);
  font-size: 12px;
  font-family: var(--mono);
}

.index-page .empty {
  display: none;
  padding: 18px 16px;
  border-radius: 16px;
  border: 1px dashed var(--border);
  background: var(--panel);
  color: var(--muted);
  text-align: center;
}

.index-page footer {
  margin-top: 24px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 12px;
}

.mono { font-family: var(--mono); }

@media (max-width: 980px) {
  .index-page .card { grid-column: span 6; }
  .index-page .search { min-width: 100%; }
}
@media (max-width: 640px) {
  .index-page header { flex-direction: column; align-items: stretch; }
  .index-page .toolbar { justify-content: flex-start; }
  .index-page .card { grid-column: span 12; }
  .index-page .card .small { display: none; }
}

/* ===== 管理面板专用样式 ===== */
.admin-page header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-bottom: 24px;
}
.admin-page header h1 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
}
.admin-page .header-actions {
  display: flex;
  gap: 10px;
  align-items: center;
}

.admin-page .tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.admin-page .tab {
  padding: 10px 18px;
  border-radius: 12px 12px 0 0;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
  border: 1px solid transparent;
  border-bottom: none;
  transition: all .12s;
  background: transparent;
}
.admin-page .tab:hover { color: var(--text); background: var(--panel); }
.admin-page .tab.active {
  color: var(--accent);
  border-color: var(--border);
  background: var(--panel);
}
.admin-page .tab-content { display: none; }
.admin-page .tab-content.active { display: block; }

.admin-page .link-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--panel);
  margin-bottom: 8px;
  transition: background .12s;
}
.admin-page .link-item:hover { background: var(--panel-2); }
.admin-page .link-item .info { flex: 1; min-width: 0; }
.admin-page .link-item .info .title { font-weight: 700; font-size: 14px; }
.admin-page .link-item .info .url {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--mono);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.admin-page .link-item .badge {
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
  white-space: nowrap;
}
.admin-page .link-item .badge.private {
  border-color: rgba(255,107,107,.35);
  background: rgba(255,107,107,.08);
  color: var(--danger);
}
.admin-page .link-item .item-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.admin-page .modal-box { width: 520px; }
.admin-page .modal-box .btn-row { justify-content: flex-end; }

@media (max-width: 720px) {
  .admin-page .form-row,
  .admin-page .form-row-3 { grid-template-columns: 1fr; }
  .admin-page .link-item { flex-wrap: wrap; }
  .admin-page .link-item .item-actions { width: 100%; justify-content: flex-end; }
}

/* ===== 登录模态框（前台首页） ===== */
.index-page .modal-box {
  width: 380px;
  padding: 32px 28px 28px;
}
.index-page .modal-box p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 14px;
}
.index-page .modal-box label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--muted);
}
.index-page .modal-box input[type="password"] {
  width: 100%;
  height: 44px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
  font-family: var(--sans);
  outline: none;
  transition: border-color .15s;
}
.index-page .modal-box input[type="password"]:focus { border-color: var(--accent); }