:root {
  --bg: #f3f5f9;
  --panel: #ffffff;
  --panel-muted: #f8fafc;
  --border: #d8dee8;
  --text: #1f2937;
  --text-muted: #6b7280;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --success: #166534;
  --success-soft: #dcfce7;
  --warn: #92400e;
  --warn-soft: #fef3c7;
  --danger: #991b1b;
  --danger-soft: #fee2e2;
  --shadow: 0 1px 2px rgba(0,0,0,0.06), 0 8px 20px rgba(0,0,0,0.04);
  --radius: 12px;
  --sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  --rail-closed: 52px;
  --rail-open: 230px;
}

* { box-sizing: border-box; }

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

body {
  min-height: 100vh;
}

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

a:hover {
  text-decoration: underline;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--rail-closed);
  background: #08142f;
  color: #e5e7eb;
  overflow-x: hidden;
  overflow-y: auto;
  padding: 0.75rem 0.45rem 1rem 0.45rem;
  z-index: 100;
  transition: width 0.18s ease;
}

.app-shell.nav-open .sidebar {
  width: var(--rail-open);
}

.main {
  margin-left: var(--rail-closed);
  min-height: 100vh;
  padding: 1.25rem;
  transition: margin-left 0.18s ease;
}

.app-shell.nav-open .main {
  margin-left: var(--rail-open);
}

.sidebar-top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 36px;
  margin-bottom: 1rem;
}

.sidebar-toggle {
  width: 24px;
  height: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  cursor: pointer;
  flex: 0 0 24px;
  margin-left: 2px;
}

.sidebar-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: #94a3b8;
  border-radius: 999px;
}

.sidebar-toggle:hover span {
  background: #e2e8f0;
}

.brand {
  font-weight: 700;
  font-size: 1rem;
  white-space: nowrap;
  display: none;
}

.sidebar-section-title {
  color: #94a3b8;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 1rem 0 0.5rem 0;
  white-space: nowrap;
  display: none;
}

.nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #e5e7eb;
  border-radius: 10px;
  padding: 0.72rem 0.6rem;
  white-space: nowrap;
  overflow: hidden;
}

.nav-link:hover {
  background: rgba(255,255,255,0.08);
  text-decoration: none;
}

.nav-link.active {
  background: rgba(59,130,246,0.28);
  color: #fff;
}

.nav-link-short {
  display: inline-flex;
  min-width: 1rem;
  justify-content: center;
  font-weight: 600;
}

.nav-link-text {
  display: none;
}

.app-shell.nav-open .brand,
.app-shell.nav-open .sidebar-section-title,
.app-shell.nav-open .nav-link-text {
  display: initial;
}

.app-shell:not(.nav-open) .nav-link {
  justify-content: center;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1rem;
}

.page-title {
  margin: 0;
  font-size: 1.7rem;
}

.page-subtitle {
  margin: 0.25rem 0 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1rem;
  margin-bottom: 1rem;
}

.card-title {
  margin: 0 0 0.75rem 0;
  font-size: 1.05rem;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  align-items: center;
}

button,
.button-link {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 10px;
  padding: 0.65rem 0.95rem;
  cursor: pointer;
  font: inherit;
}

button:hover,
.button-link:hover {
  background: #f3f4f6;
  text-decoration: none;
}

button.primary,
.button-link.primary {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

button.danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: #fecaca;
}

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 0.28rem 0.7rem;
  font-size: 0.82rem;
  border: 1px solid var(--border);
  background: var(--panel-muted);
  color: var(--text);
}

.badge.reviewed {
  background: var(--success-soft);
  color: var(--success);
  border-color: #bbf7d0;
}

.badge.pending {
  background: var(--warn-soft);
  color: var(--warn);
  border-color: #fde68a;
}

.badge.trashed {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: #fecaca;
}

.table-wrap {
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

th, td {
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  padding: 0.7rem 0.6rem;
}

th {
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.83rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.grid-2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 0.65rem 1rem;
}

.meta-item {
  background: var(--panel-muted);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.65rem 0.8rem;
}

.meta-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-bottom: 0.25rem;
}

.preview-frame {
  width: 100%;
  height: 950px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: white;
}

.preview-image {
  width: 100%;
  max-height: 950px;
  object-fit: contain;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: white;
}

.sticky-actions {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(243,245,249,0.94);
  padding: 0.25rem 0 0.75rem 0;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem 1rem;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form-field.full {
  grid-column: 1 / -1;
}

label {
  font-size: 0.86rem;
  color: var(--text-muted);
}

input[type="text"],
input[type="date"],
textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: white;
  border-radius: 10px;
  padding: 0.7rem 0.75rem;
  font: inherit;
  color: var(--text);
}

textarea {
  font-family: var(--mono);
  line-height: 1.45;
}

.editor-wrap {
  display: grid;
  grid-template-columns: 4rem minmax(0, 1fr);
  border: 1px solid var(--border);
  border-radius: 0.85rem;
  overflow: hidden;
  background: #fff;
  align-items: stretch;
}

.line-numbers {
  margin: 0;
  padding: 0.9rem 0.75rem;
  background: var(--panel-muted);
  border-right: 1px solid var(--border);
  color: var(--text-muted);
  text-align: right;
  user-select: none;
  white-space: pre;
  overflow-y: auto;
  overflow-x: hidden;
  height: 34rem;
  min-height: 34rem;
  font: 500 0.95rem/1.55 var(--mono);
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.line-numbers::-webkit-scrollbar {
  display: none;
}

.editor-wrap textarea {
  margin: 0;
  border: 0;
  border-radius: 0;
  resize: none;
  height: 34rem;
  min-height: 34rem;
  padding: 0.9rem 1rem;
  overflow: auto;
  white-space: pre;
  font: 500 0.95rem/1.55 var(--mono);
  line-height: 1.55;
  outline: none;
}

.detail-sticky-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(243,245,249,0.96);
  backdrop-filter: blur(8px);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.workspace-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(380px, 0.9fr);
  gap: 1rem;
  align-items: start;
  margin-bottom: 1rem;
}

.preview-card {
  position: sticky;
  top: 7.5rem;
}

.right-pane-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.75rem;
}

pre.codeblock {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: var(--mono);
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.8rem;
  max-height: 18rem;
  overflow: auto;
}

.error-box {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid #fecaca;
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.empty-state {
  color: var(--text-muted);
  padding: 0.4rem 0;
}

.mobile-header,
.sidebar-overlay {
  display: none !important;
}

@media (max-width: 1100px) {
  .grid-2,
  .form-grid,
  .meta-grid,
  .workspace-grid {
    grid-template-columns: 1fr;
  }

  .preview-frame {
    height: 720px;
  }

  .preview-card {
    position: static;
  }
}

.doc-header-sticky {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(243,245,249,0.96);
  backdrop-filter: blur(8px);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
}

.tabbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.tab-button {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  font: inherit;
}

.tab-button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.queue-nav-row {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 0.75rem;
}

.queue-label {
  color: var(--text-muted);
  font-size: 0.9rem;
}