/* ===== CSS Variables ===== */
:root {
  --bg: #0d1117;
  --bg2: #161b22;
  --bg3: #21262d;
  --border: #30363d;
  --text: #e6edf3;
  --text2: #8b949e;
  --accent: #7c6af7;
  --accent2: #a78bfa;
  --link: #58a6ff;
  --danger: #f85149;
  --success: #3fb950;
  --warning: #d29922;
  --card-shadow: 0 4px 24px rgba(0,0,0,0.4);
  --radius: 10px;
  --font-body: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Microsoft YaHei', 'PingFang SC', 'Hiragino Sans GB', sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Source Code Pro', Consolas, 'Courier New', monospace;
}
[data-theme="light"] {
  --bg: #f6f8fa;
  --bg2: #ffffff;
  --bg3: #f0f2f5;
  --border: #d0d7de;
  --text: #1f2328;
  --text2: #656d76;
  --accent: #6e40c9;
  --accent2: #8250df;
  --link: #0969da;
  --card-shadow: 0 2px 12px rgba(0,0,0,0.1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  min-height: 100vh;
  transition: background 0.3s, color 0.3s;
}
a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
code, pre { font-family: var(--font-mono); }

/* ===== Stars Background ===== */
.stars-bg {
  position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none;
}
.stars-bg::before, .stars-bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image:
    radial-gradient(1px 1px at 10% 20%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 30% 60%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 50% 10%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 90% 40%, rgba(255,255,255,0.5) 0%, transparent 100%),
    radial-gradient(1px 1px at 15% 85%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1.5px 1.5px at 60% 50%, rgba(255,255,255,0.3) 0%, transparent 100%),
    radial-gradient(1px 1px at 80% 15%, rgba(255,255,255,0.6) 0%, transparent 100%),
    radial-gradient(1px 1px at 40% 90%, rgba(255,255,255,0.4) 0%, transparent 100%),
    radial-gradient(1px 1px at 25% 35%, rgba(255,255,255,0.5) 0%, transparent 100%);
  background-size: 400px 400px;
  animation: twinkle 8s ease-in-out infinite alternate;
}
.stars-bg::after {
  background-size: 600px 600px;
  animation-duration: 12s;
  animation-delay: -4s;
  opacity: 0.6;
}
@keyframes twinkle {
  0% { opacity: 0.4; transform: scale(1); }
  100% { opacity: 1; transform: scale(1.02); }
}
[data-theme="light"] .stars-bg { display: none; }

/* ===== Progress Bar ===== */
#read-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  z-index: 9999; transition: width 0.1s linear;
}

/* ===== Navbar ===== */
.navbar {
  background: rgba(13,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
  position: sticky; top: 0; z-index: 100;
}
[data-theme="light"] .navbar { background: rgba(246,248,250,0.9); }
.navbar-brand { font-size: 1.2rem; font-weight: 700; color: var(--accent2) !important; letter-spacing: 0.02em; }
.navbar-brand:hover { text-decoration: none; }
.nav-link { color: var(--text2) !important; font-size: 0.9rem; transition: color 0.2s; }
.nav-link:hover, .nav-link.active { color: var(--accent2) !important; }
.theme-btn {
  background: none; border: 1px solid var(--border); color: var(--text2);
  border-radius: 6px; padding: 0.3rem 0.6rem; cursor: pointer; font-size: 1rem;
  transition: all 0.2s;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ===== Hero / Quote ===== */
.hero {
  text-align: center; padding: 3rem 1rem 2rem;
}
.quote-carousel {
  font-size: 1.1rem; color: var(--text2); font-style: italic;
  min-height: 2rem;
}
.typewriter-cursor {
  display: inline-block; color: var(--accent); font-style: normal;
  animation: blink-cursor 0.8s steps(1) infinite;
}
@keyframes blink-cursor {
  0%, 100% { opacity: 1; } 50% { opacity: 0; }
}

/* ===== Cards ===== */
.post-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  border-left: 3px solid transparent;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
  animation: fadeInUp 0.4s ease both;
}
.post-card:hover {
  transform: translateY(-3px);
  border-left-color: var(--accent);
  box-shadow: var(--card-shadow);
}
.post-card-date { font-size: 0.8rem; color: var(--text2); margin-bottom: 0.4rem; }
.post-card-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 0.5rem; }
.post-card-title a { color: var(--text); }
.post-card-title a:hover { color: var(--accent2); text-decoration: none; }
.post-card-excerpt { color: var(--text2); font-size: 0.9rem; margin-bottom: 0.75rem; }
.post-card-meta { font-size: 0.8rem; color: var(--text2); display: flex; gap: 1rem; flex-wrap: wrap; }
.post-card-tag {
  display: inline-block; background: var(--bg3); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.1rem 0.5rem; font-size: 0.75rem; color: var(--text2);
  margin-right: 0.3rem;
}
.post-card-tag:hover { border-color: var(--accent); color: var(--accent2); text-decoration: none; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Sidebar ===== */
.sidebar-sticky {
  position: sticky; top: 5rem;
}
.sidebar-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem; margin-bottom: 1.25rem;
}
.sidebar-title { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text2); margin-bottom: 1rem; }
.sidebar-list { list-style: none; }
.sidebar-list li { padding: 0.3rem 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { color: var(--text); }
.sidebar-list a:hover { color: var(--accent2); text-decoration: none; }

/* ===== Tag Cloud ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tag-item {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 20px; padding: 0.25rem 0.75rem;
  color: var(--text2); transition: all 0.2s; cursor: pointer;
}
.tag-item:hover { background: var(--accent); border-color: var(--accent); color: #fff; text-decoration: none; }

/* ===== Pagination ===== */
.pagination .page-link {
  background: var(--bg2); border-color: var(--border); color: var(--text2);
}
.pagination .page-link:hover { background: var(--bg3); color: var(--text); }
.pagination .page-item.active .page-link { background: var(--accent); border-color: var(--accent); color: #fff; }
.pagination .page-item.disabled .page-link { background: var(--bg2); color: var(--border); }

/* ===== Post Detail ===== */
.post-header {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.75rem 2rem; margin: 1.5rem 0;
}
.post-header .back-link { display: none; }
.post-title {
  font-size: 1.8rem; font-weight: 700; line-height: 1.3;
  margin-bottom: 1rem; padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}
.post-meta-bar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 0.75rem;
}
.post-meta-items {
  display: flex; align-items: center; flex-wrap: wrap;
  gap: 0.5rem; color: var(--text2); font-size: 0.85rem;
}
.post-meta-items span { white-space: nowrap; }
.meta-dot { color: var(--border); font-size: 0.7rem; user-select: none; }
.post-meta-right {
  display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap;
}
.post-category-badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  background: var(--bg3); border: 1px solid var(--border); border-radius: 6px;
  padding: 0.2rem 0.6rem; font-size: 0.8rem; color: var(--accent2);
  text-decoration: none; white-space: nowrap;
}
.post-category-badge:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }

.post-content {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2rem; margin: 1.5rem 0;
  line-height: 1.9;
}
.post-content h1, .post-content h2, .post-content h3,
.post-content h4, .post-content h5, .post-content h6 {
  margin: 1.5rem 0 0.75rem; color: var(--text);
}
.post-content h2 { border-bottom: 1px solid var(--border); padding-bottom: 0.4rem; }
.post-content p { margin-bottom: 1rem; }
.post-content ul, .post-content ol { margin: 0.75rem 0 1rem 1.5rem; }
.post-content li { margin-bottom: 0.3rem; }
.post-content blockquote {
  border-left: 3px solid var(--accent); margin: 1rem 0;
  padding: 0.75rem 1rem; background: var(--bg3); border-radius: 0 6px 6px 0;
  color: var(--text2);
}
.post-content pre {
  background: #0d1117; border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem; overflow-x: auto; margin: 1rem 0;
  scrollbar-width: thin;
  scrollbar-color: #30363d #0d1117;
}
.post-content pre::-webkit-scrollbar,
.post-content pre code.hljs::-webkit-scrollbar {
  height: 6px;
  width: 6px;
}
.post-content pre::-webkit-scrollbar-track,
.post-content pre code.hljs::-webkit-scrollbar-track {
  background: #0d1117;
  border-radius: 0 0 8px 8px;
}
.post-content pre::-webkit-scrollbar-thumb,
.post-content pre code.hljs::-webkit-scrollbar-thumb {
  background: #484f58;
  border-radius: 3px;
}
.post-content pre::-webkit-scrollbar-thumb:hover,
.post-content pre code.hljs::-webkit-scrollbar-thumb:hover {
  background: #6e7681;
}
/* Firefox */
.post-content pre code.hljs {
  scrollbar-width: thin;
  scrollbar-color: #484f58 #0d1117;
}
.post-content code:not(pre code) {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.1rem 0.4rem; font-size: 0.88em;
}
.post-content img {
  border-radius: 8px; cursor: zoom-in; max-width: 100%;
  transition: opacity 0.2s;
}
.post-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.table-scroll {
  width: 100%;
  margin: 1rem 0;
}
.table-scroll table { margin: 0; min-width: 100%; }
.post-content th, .post-content td {
  border: 1px solid var(--border); padding: 0.5rem 0.75rem; text-align: left;
}
.post-content th { background: var(--bg3); }
.post-content a { color: var(--link); }
.post-content hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }

/* ===== Post Nav ===== */
.post-nav {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1.5rem 0;
}
.post-nav-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem; transition: border-color 0.2s;
}
.post-nav-item:hover { border-color: var(--accent); text-decoration: none; }
.post-nav-label { font-size: 0.75rem; color: var(--text2); margin-bottom: 0.3rem; }
.post-nav-title { color: var(--text); font-size: 0.9rem; }
.post-nav-item.next { text-align: right; }

/* ===== Comments ===== */
.comment-section { margin-top: 2rem; }
.comment-item {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1rem; margin-bottom: 0.75rem;
}
.comment-item.reply { margin-left: 2rem; border-left: 2px solid var(--accent); }
.comment-author { font-weight: 600; font-size: 0.9rem; }
.comment-date { font-size: 0.78rem; color: var(--text2); margin-left: 0.5rem; }
.comment-content { margin-top: 0.5rem; font-size: 0.9rem; color: var(--text2); }
.comment-form { background: var(--bg2); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; margin-top: 1.5rem; }

/* ===== Archive ===== */
.archive-year { font-size: 1.4rem; font-weight: 700; color: var(--accent2); margin: 1.5rem 0 0.5rem; }
.archive-month { margin-left: 1rem; margin-bottom: 1rem; }
.archive-month-title {
  font-size: 0.9rem; color: var(--text2); cursor: pointer;
  display: flex; align-items: center; gap: 0.4rem; padding: 0.3rem 0;
}
.archive-month-title:hover { color: var(--accent2); }
.archive-posts { list-style: none; margin-left: 1.5rem; }
.archive-posts li {
  padding: 0.3rem 0; border-bottom: 1px dashed var(--border);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 0.9rem;
}
.archive-posts li:last-child { border-bottom: none; }
.archive-posts .date { color: var(--text2); font-size: 0.8rem; white-space: nowrap; margin-left: 1rem; }
.timeline-line {
  border-left: 2px solid var(--border); padding-left: 1.5rem; margin-left: 0.5rem;
}

/* ===== Search ===== */
.search-box { position: relative; margin-bottom: 2rem; }
.search-box input {
  width: 100%; background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 3rem 0.75rem 1rem;
  color: var(--text); font-size: 1rem; font-family: var(--font-body);
}
.search-box input:focus { outline: none; border-color: var(--accent); }
.search-box button {
  position: absolute; right: 0.75rem; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text2); cursor: pointer; font-size: 1.1rem;
}
.highlight { background: rgba(124,106,247,0.3); border-radius: 3px; padding: 0 2px; }
.search-result-item {
  display: block; padding: 0.75rem; border-bottom: 1px solid var(--border);
  color: var(--text); text-decoration: none; transition: background 0.15s;
}
.search-result-item:hover { background: var(--bg1); color: var(--text); }
.search-result-date { font-size: 0.78rem; color: var(--text2); margin-bottom: 0.15rem; }
.search-result-title { font-weight: 600; font-size: 0.95rem; }
.search-result-excerpt { font-size: 0.82rem; color: var(--text2); margin-top: 0.2rem; line-height: 1.4; }

/* ===== Forms ===== */
.form-control, .form-select {
  background: var(--bg3) !important; border: 1px solid var(--border) !important;
  color: var(--text) !important; border-radius: 6px !important;
}
.form-control:focus, .form-select:focus {
  border-color: var(--accent) !important; box-shadow: 0 0 0 3px rgba(124,106,247,0.2) !important;
}
.form-control::placeholder { color: var(--text2) !important; }
.form-label { color: var(--text2); font-size: 0.85rem; margin-bottom: 0.3rem; }
.btn-primary { background: var(--accent) !important; border-color: var(--accent) !important; }
.btn-primary:hover { background: var(--accent2) !important; border-color: var(--accent2) !important; }
.btn-outline-secondary {
  border-color: var(--border) !important; color: var(--text2) !important;
}
.btn-outline-secondary:hover { background: var(--bg3) !important; color: var(--text) !important; }

/* ===== Admin Layout ===== */
.admin-sidebar {
  width: 220px; min-height: 100vh; background: var(--bg2);
  border-right: 1px solid var(--border); position: fixed; top: 0; left: 0;
  display: flex; flex-direction: column; z-index: 200;
}
.admin-sidebar-brand {
  padding: 1.25rem 1.5rem; font-size: 1rem; font-weight: 700;
  color: var(--accent2); border-bottom: 1px solid var(--border);
}
.admin-nav { flex: 1; padding: 1rem 0; }
.admin-nav-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.65rem 1.5rem; color: var(--text2); font-size: 0.9rem;
  transition: all 0.2s; border-left: 3px solid transparent;
}
.admin-nav-link:hover, .admin-nav-link.active {
  color: var(--accent2); background: var(--bg3); border-left-color: var(--accent);
  text-decoration: none;
}
.admin-topbar {
  background: var(--bg2); border-bottom: 1px solid var(--border);
  padding: 0.75rem 1.5rem; display: flex; justify-content: space-between; align-items: center;
  position: sticky; top: 0; z-index: 100;
}
.admin-main { margin-left: 220px; min-height: 100vh; }
.admin-content { padding: 1.5rem; }
.stat-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.5rem; text-align: center;
  transition: transform 0.2s, box-shadow 0.2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--card-shadow); }
.stat-number { font-size: 2rem; font-weight: 700; color: var(--accent2); }
.stat-label { color: var(--text2); font-size: 0.85rem; margin-top: 0.25rem; }

/* ===== Admin Table ===== */
.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
  background: var(--bg3); color: var(--text2); font-size: 0.8rem;
  text-transform: uppercase; letter-spacing: 0.05em;
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); text-align: left;
}
.admin-table td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--border);
  font-size: 0.9rem; vertical-align: middle;
}
.admin-table tr:hover td { background: var(--bg3); }
.badge-private { background: rgba(248,81,73,0.15); color: var(--danger); border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.75rem; }
.badge-public { background: rgba(63,185,80,0.15); color: var(--success); border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.75rem; }
.badge-top { background: rgba(210,153,34,0.15); color: var(--warning); border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.75rem; }
.badge-waiting { background: rgba(210,153,34,0.15); color: var(--warning); border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.75rem; }
.badge-approved { background: rgba(63,185,80,0.15); color: var(--success); border-radius: 4px; padding: 0.15rem 0.5rem; font-size: 0.75rem; }

/* ===== Editor ===== */
.editor-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; height: 70vh; min-height: 400px; }
.editor-pane { display: flex; flex-direction: column; overflow: hidden; }
.editor-pane label { font-size: 0.8rem; color: var(--text2); margin-bottom: 0.3rem; }
.editor-pane textarea {
  flex: 1; background: var(--bg3); border: 1px solid var(--border);
  color: var(--text); border-radius: 8px; padding: 1rem;
  font-family: var(--font-mono); font-size: 0.88rem; resize: none;
  line-height: 1.6; overflow-y: auto;
}
.editor-pane textarea:focus { outline: none; border-color: var(--accent); }

/* Custom scrollbar */
.editor-pane textarea,
.preview-pane {
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}
.editor-pane textarea::-webkit-scrollbar,
.preview-pane::-webkit-scrollbar {
  width: 6px;
}
.editor-pane textarea::-webkit-scrollbar-track,
.preview-pane::-webkit-scrollbar-track {
  background: transparent;
}
.editor-pane textarea::-webkit-scrollbar-thumb,
.preview-pane::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}
.editor-pane textarea::-webkit-scrollbar-thumb:hover,
.preview-pane::-webkit-scrollbar-thumb:hover {
  background: var(--text2);
}
.preview-pane {
  flex: 1; background: var(--bg2); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem; overflow-y: auto;
  font-size: 0.9rem; line-height: 1.8;
}

/* ===== Login ===== */
.login-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
}
.login-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 2.5rem; width: 100%; max-width: 400px;
  box-shadow: var(--card-shadow);
}
.login-title { font-size: 1.4rem; font-weight: 700; color: var(--accent2); margin-bottom: 0.5rem; }
.login-sub { color: var(--text2); font-size: 0.85rem; margin-bottom: 1.5rem; }

/* ===== Footer ===== */
.site-footer {
  border-top: 1px solid var(--border); padding: 1.5rem 0;
  text-align: center; color: var(--text2); font-size: 0.82rem; margin-top: 3rem;
}

/* ===== Alerts ===== */
.alert { border-radius: var(--radius); border: none; }
.alert-success { background: rgba(63,185,80,0.15); color: var(--success); }
.alert-danger { background: rgba(248,81,73,0.15); color: var(--danger); }
.alert-info { background: rgba(88,166,255,0.15); color: var(--link); }

/* ===== Admin Utilities ===== */
.admin-card {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 1.25rem;
}
.admin-card.lg { padding: 1.5rem; }
.admin-card.flush { padding: 0; overflow: hidden; }
.admin-section-title {
  font-size: 0.85rem; color: var(--text2); text-transform: uppercase;
  letter-spacing: 0.05em; margin-bottom: 1rem;
}
.admin-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.25rem;
}
.admin-section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem;
}
.checkbox-label {
  display: flex; align-items: center; gap: 0.4rem;
  font-size: 0.85rem; color: var(--text2); cursor: pointer;
}
.btn-group-inline { display: flex; gap: 0.5rem; }
.btn-xs { font-size: 0.75rem !important; padding: 0.2rem 0.5rem !important; }
.btn-danger-ghost {
  font-size: 0.75rem; padding: 0.2rem 0.5rem;
  color: var(--danger); background: none; border: 1px solid var(--border);
}
.btn-success-ghost {
  font-size: 0.75rem; padding: 0.2rem 0.5rem;
  color: var(--success); background: none; border: 1px solid var(--border);
}
.table-empty { text-align: center; color: var(--text2); padding: 2rem; }
.text-secondary { color: var(--text2) !important; }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.82rem; }
.nowrap { white-space: nowrap; }
.back-link {
  color: var(--text2); font-size: 0.85rem;
  display: inline-flex; align-items: center; gap: 0.3rem;
  margin-bottom: 1rem;
}
.back-link:hover { color: var(--accent2); text-decoration: none; }
.modal-dark {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.panel-item {
  display: flex; justify-content: space-between;
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.panel-block {
  padding: 0.5rem 0; border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}
.options-col {
  display: flex; flex-direction: column; gap: 0.4rem;
  padding-top: 0.3rem;
}
.editor-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.5rem;
}

/* Sticky save bar */
.editor-fixed-bar {
  position: fixed; bottom: 0; right: 0; left: 220px; z-index: 100;
  display: flex; gap: 0.5rem;
  padding: 0.65rem 1.5rem;
  background: var(--bg2); border-top: 1px solid var(--border);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.15);
}

/* Markdown cheat sheet */
.md-ref-panel {
  background: var(--bg3); border: 1px solid var(--border);
  border-radius: 10px; margin-bottom: 0.75rem;
  position: sticky; top: 56px; z-index: 40;
  max-height: 200px; overflow-y: auto;
}
.md-ref-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.35rem 0.7rem; border-bottom: 1px solid var(--border);
  font-size: 0.8rem; font-weight: 600; color: var(--text);
}
.md-ref-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0; padding: 0.15rem 0.25rem;
}
.md-ref-item {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.2rem 0.4rem; border-radius: 4px; cursor: pointer;
  font-size: 0.78rem; line-height: 1.3; transition: background 0.15s;
}
.md-ref-item:hover { background: var(--bg2); }
.md-ref-item:active { background: var(--accent); color: #fff; }
.md-ref-item:active .md-ref-syntax,
.md-ref-item:active .md-ref-label { color: #fff; }
.md-ref-syntax {
  font-family: var(--font-mono); font-size: 0.7rem;
  color: var(--accent2); background: var(--bg2);
  padding: 0.1rem 0.3rem; border-radius: 3px;
  white-space: nowrap; flex-shrink: 0;
}
.md-ref-label { color: var(--text2); font-size: 0.78rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.md-ref-group-label {
  grid-column: 1 / -1; font-size: 0.72rem; font-weight: 700;
  color: var(--text2); text-transform: uppercase; letter-spacing: 0.04em;
  padding: 0.5rem 0.6rem 0.15rem; border-top: 1px solid var(--border);
  margin-top: 0.15rem;
}
.md-ref-group-label:first-child { border-top: none; margin-top: 0; }
.sidebar-col-offset { padding-top: 1.5rem; }
.modal-narrow { max-width: 400px; }
.modal-brand { font-size: 1.4rem; font-weight: 700; color: var(--accent2); }
.modal-sub { color: var(--text2); font-size: 0.85rem; }
.comment-reply-btn {
  font-size: 0.75rem; color: var(--text2); background: none;
  border: none; padding: 0; cursor: pointer;
}
.comment-reply-btn:hover { color: var(--accent2); }

/* ===== Scroll Buttons ===== */
.scroll-btns {
  position: fixed; right: 1rem; bottom: 2rem; z-index: 90;
  display: flex; flex-direction: column; gap: 0.5rem;
}
.scroll-btn {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg2); border: 1px solid var(--border);
  color: var(--text2); font-size: 1.1rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  opacity: 0; transform: scale(0.6); transition: all 0.25s;
  pointer-events: none; backdrop-filter: blur(6px);
}
.scroll-btn.show {
  opacity: 0.8; transform: scale(1); pointer-events: auto;
}
.scroll-btn:hover { opacity: 1; background: var(--accent); color: #fff; border-color: var(--accent); }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .admin-sidebar { transform: translateX(-100%); transition: transform 0.3s; }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .editor-fixed-bar { left: 0; }
  .editor-wrap { grid-template-columns: 1fr; height: auto; }
  .editor-pane textarea { height: 300px; }
  .post-nav { grid-template-columns: 1fr; }
  .post-title { font-size: 1.4rem; }
  .table-scroll {
    position: relative;
    overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch;
  }
  .table-scroll table {
    width: max-content;
    min-width: 100%;
    border-collapse: separate;
    border-spacing: 0;
  }
  .table-scroll th,
  .table-scroll td {
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
  }
  .table-scroll tr > *:first-child { border-left: 1px solid var(--border); }
  .table-scroll tr:first-child > * { border-top: 1px solid var(--border); }
  .table-scroll::-webkit-scrollbar { height: 6px; }
  .table-scroll::-webkit-scrollbar-thumb { background: var(--border); border-radius: 999px; }
  .table-scroll::before,
  .table-scroll::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 6px;
    width: 16px;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 1;
  }
  .table-scroll::before {
    left: 0;
    background: linear-gradient(to right, var(--bg2), transparent);
  }
  .table-scroll::after {
    right: 0;
    background: linear-gradient(to left, var(--bg2), transparent);
  }
  .table-scroll.can-scroll-left::before { opacity: 1; }
  .table-scroll.can-scroll-right::after { opacity: 1; }
  .table-scroll th:first-child,
  .table-scroll td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background: var(--bg2);
    max-width: 9rem;
    min-width: 6.5rem;
    white-space: normal;
    overflow-wrap: anywhere;
  }
  .table-scroll th:first-child { z-index: 4; background: var(--bg3); }
  .table-scroll.can-scroll-left th:first-child,
  .table-scroll.can-scroll-left td:first-child {
    box-shadow: 8px 0 12px -10px rgba(0, 0, 0, 0.45);
  }
}
@media (max-width: 576px) {
  .post-header { padding: 1.25rem 1rem; }
  .post-content { padding: 1rem; }
  .post-meta-bar { flex-direction: column; align-items: flex-start; }
  .comment-item.reply { margin-left: 1rem; }
}