/* ===== TongBlog Admin Dark Theme v4 ===== */
:root {
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --surface: rgba(255,255,255,0.035);
  --surface-hover: rgba(255,255,255,0.065);
  --border: rgba(255,255,255,0.08);
  --border-hover: rgba(255,255,255,0.16);
  --text: #f5f5f5;
  --text-secondary: rgba(255,255,255,0.55);
  --text-tertiary: rgba(255,255,255,0.32);
  --accent: #e33b3f;
  --accent-hover: #f04f53;
  --green: #22c55e;
  --orange: #f59e0b;
  --blue: #3b82f6;
  --radius: 14px;
  --radius-sm: 10px;
  --sidebar-w: 240px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "SF Pro Text", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ===== Login Page ===== */
body.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: radial-gradient(ellipse at 50% 0%, rgba(227,59,63,0.06), transparent 60%), var(--bg);
}
.login-box {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 60px rgba(0,0,0,0.5);
}
.login-box h1 {
  text-align: center;
  font-size: 22px;
  margin-bottom: 28px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.login-box .form-group { margin-bottom: 18px; }
.login-box label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.login-box input {
  width: 100%;
  padding: 13px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text);
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.login-box input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(227,59,63,0.12);
}
.login-box input::placeholder { color: var(--text-tertiary); }
.login-box .btn {
  width: 100%;
  padding: 13px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s, transform .15s;
  margin-top: 10px;
}
.login-box .btn:hover { background: var(--accent-hover); transform: translateY(-1px); }
.login-box .error {
  background: rgba(239,68,68,0.1);
  border: 1px solid rgba(239,68,68,0.2);
  color: #f87171;
  padding: 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
  text-align: center;
}

/* ===== Layout ===== */
.layout { min-height: 100vh; }

/* ===== Sidebar ===== */
.sidebar {
  position: fixed;
  left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w);
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  padding: 24px 0;
  overflow-y: auto;
  z-index: 100;
  display: flex;
  flex-direction: column;
}
.sidebar-logo {
  padding: 0 24px 22px;
  font-size: 20px;
  font-weight: 800;
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
  letter-spacing: -0.02em;
}
.sidebar-logo span { color: var(--accent); }
.sidebar-nav { flex: 1; }
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 24px;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: all .18s;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: var(--surface); color: var(--text); }
.nav-item.active {
  background: rgba(227,59,63,0.08);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 12px;
}

/* ===== Main ===== */
.main {
  margin-left: var(--sidebar-w);
  padding: 32px;
  min-height: 100vh;
}
.top-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 28px;
  gap: 16px;
  flex-wrap: wrap;
}
.top-bar h1, .main > h1 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.page-desc {
  color: var(--text-tertiary);
  font-size: 14px;
  margin-top: 4px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .18s;
  text-decoration: none;
  border: none;
  white-space: nowrap;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); transform: translateY(-1px); }
.btn-danger { background: rgba(239,68,68,0.15); color: #f87171; border: 1px solid rgba(239,68,68,0.2); }
.btn-danger:hover { background: rgba(239,68,68,0.25); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-secondary);
}
.btn-outline:hover { border-color: var(--border-hover); color: var(--text); background: var(--surface); }
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  padding: 8px 14px;
}
.btn-ghost:hover { background: var(--surface); color: var(--text); }
.btn-small { padding: 6px 14px; font-size: 12px; }
.btn-success { background: rgba(34,197,94,0.15); color: #4ade80; border: 1px solid rgba(34,197,94,0.2); }
.btn-success:hover { background: rgba(34,197,94,0.25); }

/* ===== Dashboard Cards ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 18px;
  margin-bottom: 28px;
}
.card {
  background: var(--bg-elevated);
  padding: 24px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  transition: border-color .2s;
}
.card:hover { border-color: var(--border-hover); }
.card h3 {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 10px;
}
.card .number { font-size: 38px; font-weight: 800; color: var(--text); letter-spacing: -0.03em; }
.card .number.purple { color: var(--accent); }
.card .number.green { color: var(--green); }
.card .number.orange { color: var(--orange); }
.card .number.blue { color: var(--blue); }
.card h2 { font-size: 16px; font-weight: 700; margin-bottom: 18px; }
.card-link {
  display: block;
  padding: 16px 20px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: all .18s;
  border-radius: var(--radius-sm);
}
.card-link:hover { background: var(--surface); color: var(--accent); }
.card-link .arrow { float: right; opacity: 0; transition: opacity .18s, transform .18s; }
.card-link:hover .arrow { opacity: 1; transform: translateX(4px); }

/* Quick actions grid */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 28px;
}
.quick-action {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all .2s;
  cursor: pointer;
}
.quick-action:hover { border-color: var(--accent); transform: translateY(-2px); }
.quick-action-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(227,59,63,0.1);
  border-radius: 12px;
  font-size: 20px;
  flex-shrink: 0;
}
.quick-action-text { font-weight: 600; font-size: 14px; }
.quick-action-sub { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }

/* ===== Sections / Tables ===== */
.section {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.section-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.section-header .count {
  font-size: 12px;
  color: var(--text-tertiary);
  font-weight: 500;
}
.section table, .table-wrap table, .card table { width: 100%; border-collapse: collapse; }
.table-wrap {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow-x: auto;
}
th, td {
  text-align: left;
  padding: 13px 20px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
th {
  color: var(--text-tertiary);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(255,255,255,0.015);
  white-space: nowrap;
}
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--surface); }
td a { color: var(--accent); }
td a:hover { text-decoration: underline; }
td .title-link { color: var(--text); font-weight: 600; }
td .title-link:hover { color: var(--accent); }
.view-link { margin-left: 10px; font-size: 12px; color: var(--text-tertiary); }
.view-link:hover { color: var(--accent); }
.time-cell { color: var(--text-tertiary); font-size: 13px; white-space: nowrap; }
.action-cell { white-space: nowrap; }
.action-cell .btn { margin-right: 6px; }
.empty-row td {
  text-align: center;
  padding: 50px 20px;
  color: var(--text-tertiary);
  font-size: 14px;
}

/* ===== Status Badges ===== */
.status-badge {
  display: inline-block;
  padding: 3px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.status-published { background: rgba(34,197,94,0.12); color: #4ade80; }
.status-draft { background: rgba(245,158,11,0.12); color: #fbbf24; }
.pin-badge { font-size: 13px; }

/* ===== Messages ===== */
.message {
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.2);
  color: #4ade80;
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  margin-bottom: 20px;
  font-size: 14px;
}
.message.error {
  background: rgba(239,68,68,0.1);
  border-color: rgba(239,68,68,0.2);
  color: #f87171;
}

/* ===== Toolbar / Filters ===== */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.toolbar .search-box {
  flex: 1;
  min-width: 200px;
  position: relative;
}
.toolbar .search-box input {
  width: 100%;
  padding: 10px 16px 10px 40px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  outline: none;
  transition: border-color .2s;
}
.toolbar .search-box input:focus { border-color: var(--accent); }
.toolbar .search-box input::placeholder { color: var(--text-tertiary); }
.toolbar .search-box::before {
  content: "🔍";
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 14px;
  opacity: 0.5;
}
.toolbar select {
  padding: 10px 36px 10px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 14px;
  color: var(--text);
  outline: none;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}
.toolbar select:focus { border-color: var(--accent); }
.toolbar select option { background: #1a1a1a; color: #fff; }

/* ===== Forms ===== */
.form-card {
  background: var(--bg-elevated);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 32px;
  max-width: 800px;
}
.form-group { margin-bottom: 22px; }
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  color: var(--text);
  outline: none;
  font-family: var(--font);
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(227,59,63,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-tertiary); }
.form-group textarea { min-height: 400px; resize: vertical; font-size: 14px; line-height: 1.8; }
.form-group select { cursor: pointer; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23999' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 38px; background-color: var(--surface); }
.form-group select option { background: #1a1a1a; color: #fff; }
.form-group .hint { font-size: 12px; color: var(--text-tertiary); margin-top: 6px; }
.form-row { display: flex; gap: 20px; }
.form-row .form-group { flex: 1; }
.checkbox-group { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.checkbox-group input[type="checkbox"] {
  width: 18px; height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
}
.checkbox-group label {
  margin: 0;
  font-weight: 500;
  font-size: 14px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
}
.actions { display: flex; gap: 10px; margin-top: 28px; }

/* Settings sections */
.settings-section {
  margin-bottom: 32px;
}
.settings-section-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

/* Category form specific */
.cat-form-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}
.cat-form-row .form-group { margin-bottom: 0; }
.cat-form-row .form-group input { width: auto; }
.form-group input[name="name"] { width: 220px; }
.form-group input[name="icon"] { width: 90px; }
.form-group input[name="sort_order"] { width: 90px; }

.back-link {
  display: inline-block;
  margin-top: 20px;
  color: var(--text-secondary);
  font-size: 14px;
  transition: color .18s;
}
.back-link:hover { color: var(--accent); }

/* ===== Pagination ===== */
.pagination {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin-top: 24px;
}
.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 12px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  border: 1px solid var(--border);
  color: var(--text-secondary);
  transition: all .18s;
}
.pagination a:hover { border-color: var(--accent); color: var(--accent); background: var(--surface); }
.pagination .current {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pagination .disabled { opacity: 0.3; pointer-events: none; }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 20px; }
  .form-row { flex-direction: column; gap: 0; }
  .form-card { padding: 20px; }
  .cards { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; }
  .toolbar .search-box { width: 100%; }
}


/* 待审核状态 */
.status-badge.status-pending {
  background: rgba(240,173,78,.15);
  color: #f0ad4e;
  border: 1px solid rgba(240,173,78,.3);
}

/* ===== Heroicons 线性图标（替代 emoji，沿用现有布局配色） ===== */
.hi { width:1em; height:1em; display:inline-block; flex:none; vertical-align:-0.14em; stroke-width:1.7; }
/* 侧边导航图标统一尺寸 */
.nav-item .hi { width:18px; height:18px; }
/* 快捷操作圆角图标 */
.quick-action-icon { color:var(--accent); }
.quick-action-icon .hi { width:21px; height:21px; }
/* 页面标题里的图标垂直居中 */
.top-bar h1, .main > h1 { display:inline-flex; align-items:center; gap:8px; }
/* 表格操作列小按钮图标 */
.action-cell .btn .hi, .btn-small .hi { width:14px; height:14px; }
/* 提示条内图标 */
.message .hi { width:16px; height:16px; vertical-align:-0.18em; margin-right:2px; }