:root {
  --bg: #1a1a2e;
  --bg-surface: #16213e;
  --bg-input: #0f3460;
  --bg-hover: #1a3a6a;
  --text: #e0e0e0;
  --text-muted: #8a8a9a;
  --accent: #e94560;
  --accent-hover: #ff6b81;
  --border: #2a2a4a;
  --success: #4ecdc4;
  --warning: #f9c74f;
  --radius: 6px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "SF Mono", "Fira Code", "Fira Mono", Menlo, monospace;
}

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

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

/* ---- Login page ---- */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: var(--bg-surface);
  padding: 3rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 360px;
  text-align: center;
}

.login-container h1 {
  margin-bottom: 1.5rem;
  font-size: 1.25rem;
  font-weight: 600;
}

.login-container input {
  width: 100%;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 1rem;
}

.login-container button {
  width: 100%;
  padding: 0.75rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  cursor: pointer;
  font-weight: 600;
}

.login-container button:hover {
  background: var(--accent-hover);
}

.error {
  color: var(--accent);
  margin-top: 0.75rem;
  font-size: 0.875rem;
}

/* ---- Top bar ---- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
}

.topbar-left, .topbar-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.site-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
}

.site-btn.active {
  background: var(--bg-input);
  color: var(--text);
  border-color: var(--accent);
}

.site-btn:hover {
  color: var(--text);
}

.pending-indicator {
  font-size: 0.8rem;
  color: var(--warning);
  padding: 0.4rem 0.75rem;
  background: rgba(249, 199, 79, 0.1);
  border-radius: var(--radius);
}

.publish-all-btn {
  padding: 0.5rem 1rem;
  background: var(--success);
  color: #1a1a2e;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 600;
  font-size: 0.875rem;
}

.publish-all-btn:hover {
  opacity: 0.9;
}

.logout-btn {
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
}

.logout-btn:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
}

.tab-btn {
  padding: 0.75rem 1.25rem;
  background: transparent;
  color: var(--text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 0.875rem;
}

.tab-btn.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.tab-btn:hover {
  color: var(--text);
}

/* ---- Content ---- */
.content {
  padding: 1.5rem;
  max-width: 1400px;
  margin: 0 auto;
}

.panel {
  display: none;
}

.panel[hidden] {
  display: none;
}

.panel.visible {
  display: block;
}

.panel-placeholder {
  padding: 3rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 1.125rem;
}

/* ---- Blog layout ---- */
.blog-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  min-height: calc(100vh - 160px);
}

.post-list-pane {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-y: auto;
  max-height: calc(100vh - 160px);
}

.post-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  background: var(--bg-surface);
}

.post-list-header h2 {
  font-size: 1rem;
  font-weight: 600;
}

.post-list {
  padding: 0.5rem;
}

.post-list .loading {
  text-align: center;
  color: var(--text-muted);
  padding: 2rem;
}

.post-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem;
  border-radius: var(--radius);
  cursor: pointer;
}

.post-row:hover {
  background: var(--bg-hover);
}

.post-row-info {
  flex: 1;
  min-width: 0;
}

.post-row-title {
  font-size: 0.875rem;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-row-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.15rem;
}

.badge {
  font-size: 0.65rem;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.badge-draft {
  background: rgba(249, 199, 79, 0.2);
  color: var(--warning);
}

.badge-published {
  background: rgba(78, 205, 196, 0.2);
  color: var(--success);
}

.badge-pending-delete {
  background: rgba(233, 69, 96, 0.2);
  color: var(--accent);
}

.post-row-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.post-row-actions button {
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
  border-radius: 3px;
  cursor: pointer;
}

.post-row-actions button:hover {
  color: var(--text);
  border-color: var(--text-muted);
}

.post-row-actions button.delete-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ---- Post editor pane ---- */
.post-editor-pane {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.editor-fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.editor-fields label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.editor-fields input[type="text"],
.editor-fields input[type="date"] {
  padding: 0.6rem 0.75rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
}

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

.editor-row {
  display: flex;
  gap: 1.5rem;
  align-items: flex-end;
}

.checkbox-label {
  flex-direction: row !important;
  align-items: center !important;
  gap: 0.5rem !important;
  font-size: 0.85rem !important;
  color: var(--text) !important;
  cursor: pointer;
}

/* ---- Toolbar ---- */
.toolbar {
  display: flex;
  gap: 0.25rem;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius) var(--radius) 0 0;
}

.toolbar button {
  padding: 0.4rem 0.7rem;
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
  border-radius: 3px;
  cursor: pointer;
  font-size: 0.8rem;
}

.toolbar button:hover {
  background: var(--bg-hover);
  color: var(--text);
}

/* ---- Post body (contenteditable) ---- */
.post-body {
  flex: 1;
  min-height: 300px;
  padding: 1rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  color: var(--text);
  font-size: 0.95rem;
  line-height: 1.6;
  outline: none;
  overflow-y: auto;
}

.post-body h2 {
  font-size: 1.3rem;
  margin: 1rem 0 0.5rem;
}

.post-body h3 {
  font-size: 1.1rem;
  margin: 0.75rem 0 0.4rem;
}

.post-body a {
  color: var(--accent-hover);
}

.post-body img {
  max-width: 100%;
  border-radius: var(--radius);
  margin: 0.5rem 0;
}

.post-body ul {
  padding-left: 1.5rem;
  margin: 0.5rem 0;
}

/* ---- Editor actions ---- */
.editor-actions {
  display: flex;
  gap: 0.75rem;
  justify-content: flex-end;
}

/* ---- Buttons ---- */
.btn-primary {
  padding: 0.6rem 1.25rem;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  padding: 0.6rem 1.25rem;
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 0.875rem;
}

.btn-secondary:hover {
  border-color: var(--text-muted);
}

/* ---- Image upload loading ---- */
.image-uploading {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--bg);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-muted);
  font-size: 0.8rem;
  margin: 0.25rem 0;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .blog-layout {
    grid-template-columns: 1fr;
  }

  .post-list-pane {
    max-height: 300px;
  }
}