@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* -------------------------------------------------------
   CSS Custom Properties – DocFlow Design System
   ------------------------------------------------------- */
:root {
  --primary:       #6366f1;
  --primary-dark:  #4f46e5;
  --primary-light: #a5b4fc;
  --secondary:     #8b5cf6;
  --accent:        #06b6d4;
  --success:       #10b981;
  --warning:       #f59e0b;
  --danger:        #ef4444;
  --dark-bg:       #0f0f13;
  --dark-surface:  #18181f;
  --dark-card:     #1e1e28;
  --dark-border:   #2a2a38;
  --dark-text:     #e2e8f0;
  --dark-muted:    #64748b;
  --dark-hover:    #252532;
  --sidebar-w:     260px;
  --radius:        12px;
  --radius-sm:     8px;
  --shadow:        0 4px 20px rgba(0,0,0,0.3);
  --shadow-sm:     0 2px 8px rgba(0,0,0,0.2);
  --transition:    all 0.2s ease;
}

/* -------------------------------------------------------
   Reset & Base
   ------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--dark-bg);
  color: var(--dark-text);
  font-size: 14px;
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
a:hover { color: #fff; }

input, textarea, select, button { font-family: inherit; }

img { max-width: 100%; display: block; }

/* -------------------------------------------------------
   Scrollbar
   ------------------------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark-surface); }
::-webkit-scrollbar-thumb { background: var(--dark-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* -------------------------------------------------------
   App Layout
   ------------------------------------------------------- */
.app-wrapper { display: flex; min-height: 100vh; }

/* -------------------------------------------------------
   Sidebar
   ------------------------------------------------------- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark-surface);
  border-right: 1px solid var(--dark-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  transition: var(--transition);
}

.sidebar-logo {
  padding: 24px 20px;
  border-bottom: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sidebar-logo .logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.sidebar-logo .logo-text {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.sidebar-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }

.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--dark-muted);
  padding: 12px 8px 6px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  color: var(--dark-muted);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  margin-bottom: 2px;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--dark-hover);
  color: var(--dark-text);
}

.nav-item.active {
  background: rgba(99,102,241,0.15);
  color: var(--primary-light);
  border-left: 3px solid var(--primary);
  padding-left: 9px;
}

.nav-item .nav-icon { font-size: 18px; flex-shrink: 0; }

.nav-item .nav-badge {
  margin-left: auto;
  background: var(--primary);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
}

.sidebar-footer {
  padding: 16px 12px;
  border-top: 1px solid var(--dark-border);
}

.user-card {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
}

.user-card:hover { background: var(--dark-hover); }

.user-avatar {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  flex-shrink: 0;
}

.user-info .user-name  { font-size: 13px; font-weight: 600; color: var(--dark-text); }
.user-info .user-email { font-size: 11px; color: var(--dark-muted); }

/* -------------------------------------------------------
   Main Content
   ------------------------------------------------------- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* -------------------------------------------------------
   Topbar
   ------------------------------------------------------- */
.topbar {
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--dark-border);
  background: var(--dark-surface);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-title h1 {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
}
.topbar-title p {
  font-size: 12px;
  color: var(--dark-muted);
  margin-top: 2px;
}

.topbar-actions { display: flex; align-items: center; gap: 12px; }

/* -------------------------------------------------------
   Page Content
   ------------------------------------------------------- */
.page-content { padding: 28px; flex: 1; }

/* -------------------------------------------------------
   Cards
   ------------------------------------------------------- */
.card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
}

.card:hover { border-color: rgba(99,102,241,0.3); }

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}

.card-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
}

/* -------------------------------------------------------
   Stats Cards
   ------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.stat-card {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--stat-color, var(--primary));
  border-radius: var(--radius) var(--radius) 0 0;
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); }

.stat-icon {
  font-size: 28px;
  margin-bottom: 4px;
}

.stat-value {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--dark-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* -------------------------------------------------------
   Buttons
   ------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
  box-shadow: 0 4px 15px rgba(99,102,241,0.3);
}
.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99,102,241,0.4);
  color: #fff;
}

.btn-secondary {
  background: var(--dark-hover);
  color: var(--dark-text);
  border: 1px solid var(--dark-border);
}
.btn-secondary:hover { background: var(--dark-border); color: #fff; }

.btn-success {
  background: linear-gradient(135deg, #059669, #10b981);
  color: #fff;
  box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}
.btn-success:hover { transform: translateY(-1px); color: #fff; }

.btn-danger {
  background: rgba(239,68,68,0.1);
  color: var(--danger);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: var(--danger); color: #fff; }

.btn-sm { padding: 6px 14px; font-size: 12px; }
.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-icon { padding: 8px; }

/* -------------------------------------------------------
   Forms
   ------------------------------------------------------- */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark-text);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  background: var(--dark-bg);
  border: 1px solid var(--dark-border);
  color: var(--dark-text);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  transition: var(--transition);
  outline: none;
}

.form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}

.form-control::placeholder { color: var(--dark-muted); }

textarea.form-control { resize: vertical; min-height: 100px; }

select.form-control {
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  padding-right: 36px;
}

/* -------------------------------------------------------
   Badges / Status
   ------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: capitalize;
}

.badge-draft    { background: rgba(100,116,139,0.15); color: var(--dark-muted); }
.badge-sent     { background: rgba(99,102,241,0.15);  color: var(--primary-light); }
.badge-viewed   { background: rgba(6,182,212,0.15);   color: #67e8f9; }
.badge-partially_signed { background: rgba(245,158,11,0.15); color: #fcd34d; }
.badge-completed { background: rgba(16,185,129,0.15); color: #6ee7b7; }
.badge-declined  { background: rgba(239,68,68,0.15);  color: #fca5a5; }
.badge-expired   { background: rgba(100,116,139,0.1); color: var(--dark-muted); }

/* -------------------------------------------------------
   Table
   ------------------------------------------------------- */
.table-wrap { overflow-x: auto; border-radius: var(--radius); }

table { width: 100%; border-collapse: collapse; }

thead th {
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark-muted);
  border-bottom: 1px solid var(--dark-border);
}

tbody td {
  padding: 14px 16px;
  color: var(--dark-text);
  border-bottom: 1px solid rgba(42,42,56,0.5);
  vertical-align: middle;
}

tbody tr:hover { background: var(--dark-hover); }
tbody tr:last-child td { border-bottom: none; }

/* -------------------------------------------------------
   Dropdown
   ------------------------------------------------------- */
.dropdown { position: relative; display: inline-flex; }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 6px;
  min-width: 160px;
  box-shadow: var(--shadow);
  z-index: 200;
  display: none;
  animation: fadeIn 0.15s ease;
}

.dropdown-menu.open { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--dark-text);
  font-size: 13px;
  cursor: pointer;
  transition: var(--transition);
}
.dropdown-item:hover { background: var(--dark-hover); color: #fff; }
.dropdown-item.danger { color: var(--danger); }

/* -------------------------------------------------------
   Alerts / Flash
   ------------------------------------------------------- */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.alert-success { background: rgba(16,185,129,0.1); border: 1px solid rgba(16,185,129,0.3); color: #6ee7b7; }
.alert-error   { background: rgba(239,68,68,0.1);  border: 1px solid rgba(239,68,68,0.3);  color: #fca5a5; }
.alert-info    { background: rgba(99,102,241,0.1); border: 1px solid rgba(99,102,241,0.3); color: var(--primary-light); }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.3); color: #fcd34d; }

/* -------------------------------------------------------
   Document Editor
   ------------------------------------------------------- */
.editor-wrap {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 20px;
  height: calc(100vh - 80px);
}

.editor-canvas {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow-y: auto;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.editor-toolbar {
  position: sticky;
  top: 0;
  background: var(--dark-surface);
  border-bottom: 1px solid var(--dark-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  z-index: 10;
}

.toolbar-btn {
  padding: 6px 12px;
  background: var(--dark-hover);
  border: 1px solid var(--dark-border);
  color: var(--dark-text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

.toolbar-divider { width: 1px; height: 28px; background: var(--dark-border); margin: 0 4px; }

.doc-blocks { padding: 24px 32px; flex: 1; }

.doc-block {
  position: relative;
  margin-bottom: 12px;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  cursor: pointer;
  group: true;
}

.doc-block:hover {
  border-color: rgba(99,102,241,0.3);
  background: rgba(99,102,241,0.03);
}

.doc-block.selected {
  border-color: var(--primary) !important;
  background: rgba(99,102,241,0.05);
}

.block-actions {
  position: absolute;
  top: 50%;
  right: -42px;
  transform: translateY(-50%);
  display: none;
  flex-direction: column;
  gap: 4px;
}

.doc-block:hover .block-actions,
.doc-block.selected .block-actions { display: flex; }

.block-action-btn {
  width: 28px; height: 28px;
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  color: var(--dark-muted);
  border-radius: 6px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  transition: var(--transition);
}

.block-action-btn:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* Block types */
.block-text-content {
  padding: 8px;
  min-height: 36px;
  outline: none;
  color: var(--dark-text);
  font-size: 15px;
  line-height: 1.7;
}

.block-heading-content {
  padding: 8px;
  outline: none;
  color: #fff;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
}

.block-signature-field {
  border: 2px dashed rgba(99,102,241,0.4);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  color: var(--dark-muted);
  background: rgba(99,102,241,0.03);
}

.block-divider hr {
  border: none;
  border-top: 1px solid var(--dark-border);
  margin: 8px 0;
}

.block-image-field {
  border: 2px dashed var(--dark-border);
  border-radius: var(--radius-sm);
  padding: 32px;
  text-align: center;
  color: var(--dark-muted);
  cursor: pointer;
}

/* Editor Sidebar */
.editor-sidebar {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.editor-sidebar-section {
  border-bottom: 1px solid var(--dark-border);
  padding: 16px;
}

.editor-sidebar-section h4 {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--dark-muted);
  margin-bottom: 12px;
}

.block-type-btn {
  width: 100%;
  padding: 10px 12px;
  background: var(--dark-hover);
  border: 1px solid var(--dark-border);
  color: var(--dark-text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 13px;
  text-align: left;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  margin-bottom: 8px;
}

.block-type-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* -------------------------------------------------------
   Signature Canvas
   ------------------------------------------------------- */
.signature-canvas-wrap {
  border: 2px solid var(--dark-border);
  border-radius: var(--radius-sm);
  background: #fff;
  cursor: crosshair;
  overflow: hidden;
}

.signature-canvas-wrap canvas { display: block; width: 100%; }

/* -------------------------------------------------------
   Timeline (Audit)
   ------------------------------------------------------- */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 0; bottom: 0;
  width: 2px;
  background: var(--dark-border);
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  padding-bottom: 20px;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -21px;
  top: 4px;
  width: 10px; height: 10px;
  background: var(--primary);
  border: 2px solid var(--dark-bg);
  border-radius: 50%;
}

.timeline-time { font-size: 11px; color: var(--dark-muted); margin-bottom: 4px; }
.timeline-event { font-size: 13px; font-weight: 500; color: var(--dark-text); }
.timeline-meta  { font-size: 11px; color: var(--dark-muted); margin-top: 2px; }

/* -------------------------------------------------------
   Progress Bar
   ------------------------------------------------------- */
.progress {
  height: 6px;
  background: var(--dark-border);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 8px;
}

.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* -------------------------------------------------------
   Empty State
   ------------------------------------------------------- */
.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--dark-muted);
}

.empty-state .empty-icon { font-size: 64px; margin-bottom: 16px; }
.empty-state h3 { font-size: 20px; font-weight: 600; color: var(--dark-text); margin-bottom: 8px; }
.empty-state p  { font-size: 14px; max-width: 400px; margin: 0 auto 24px; }

/* -------------------------------------------------------
   Modal
   ------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.modal-overlay.open { opacity: 1; pointer-events: all; }

.modal {
  background: var(--dark-card);
  border: 1px solid var(--dark-border);
  border-radius: var(--radius);
  padding: 32px;
  width: 90%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: translateY(20px);
  transition: transform 0.2s ease;
  box-shadow: var(--shadow);
}

.modal-overlay.open .modal { transform: translateY(0); }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.modal-title { font-size: 18px; font-weight: 700; color: #fff; }

.modal-close {
  width: 32px; height: 32px;
  background: var(--dark-hover);
  border: none;
  color: var(--dark-muted);
  border-radius: 6px;
  cursor: pointer;
  font-size: 16px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.modal-close:hover { background: var(--danger); color: #fff; }

/* -------------------------------------------------------
   Animations
   ------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-16px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.5; }
}

.fade-in  { animation: fadeIn  0.3s ease both; }
.slide-in { animation: slideIn 0.3s ease both; }

/* -------------------------------------------------------
   Public Layout (signing page)
   ------------------------------------------------------- */
.public-wrap {
  min-height: 100vh;
  background: var(--dark-bg);
  display: flex;
  flex-direction: column;
}

.public-header {
  padding: 18px 32px;
  background: var(--dark-surface);
  border-bottom: 1px solid var(--dark-border);
  display: flex;
  align-items: center;
  gap: 12px;
}

.public-header .logo-text {
  font-size: 20px;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.public-content {
  flex: 1;
  padding: 40px 20px;
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
}

/* -------------------------------------------------------
   Responsive
   ------------------------------------------------------- */
@media (max-width: 900px) {
  .sidebar { width: 72px; }
  .sidebar-logo .logo-text { display: none; }
  .nav-item .nav-label { display: none; }
  .nav-item { justify-content: center; }
  .nav-item .nav-badge { display: none; }
  .user-info { display: none; }
  .main-content { margin-left: 72px; }
}

@media (max-width: 600px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .editor-wrap { grid-template-columns: 1fr; }
  .editor-sidebar { display: none; }
  .page-content { padding: 16px; }
}

/* -------------------------------------------------------
   Utility Classes
   ------------------------------------------------------- */
.d-flex   { display: flex; }
.d-grid   { display: grid; }
.gap-4    { gap: 4px; }
.gap-8    { gap: 8px; }
.gap-12   { gap: 12px; }
.gap-16   { gap: 16px; }
.gap-20   { gap: 20px; }
.ai-center { align-items: center; }
.jc-between { justify-content: space-between; }
.jc-center  { justify-content: center; }
.flex-1   { flex: 1; }
.fw-600   { font-weight: 600; }
.fw-700   { font-weight: 700; }
.text-muted { color: var(--dark-muted); }
.text-success { color: var(--success); }
.text-danger  { color: var(--danger); }
.text-primary { color: var(--primary-light); }
.text-white { color: #fff; }
.mt-4  { margin-top: 4px; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-12 { margin-bottom: 12px; }
.mb-20 { margin-bottom: 20px; }
.mb-28 { margin-bottom: 28px; }
.w-full { width: 100%; }
.text-center { text-align: center; }
.rounded { border-radius: var(--radius); }
.truncate { white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }

/* -------------------------------------------------------
   Day / Light Mode  (toggled by [data-theme="light"] on <html>)
   ------------------------------------------------------- */
[data-theme="light"] {
  --dark-bg:      #f0f2f5;
  --dark-surface: #ffffff;
  --dark-card:    #ffffff;
  --dark-border:  #e2e8f0;
  --dark-text:    #1e293b;
  --dark-muted:   #64748b;
  --dark-hover:   #f1f5f9;
  --shadow:       0 4px 20px rgba(0,0,0,0.08);
  --shadow-sm:    0 2px 8px rgba(0,0,0,0.05);
}

[data-theme="light"] body          { background: var(--dark-bg); color: var(--dark-text); }
[data-theme="light"] a             { color: var(--primary); }
[data-theme="light"] a:hover       { color: var(--primary-dark); }

/* Sidebar */
[data-theme="light"] .sidebar      { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .sidebar-logo { border-color: #e2e8f0; }
[data-theme="light"] .nav-item     { color: #475569; }
[data-theme="light"] .nav-item:hover { background: #f1f5f9; color: #1e293b; }
[data-theme="light"] .nav-item.active { background: rgba(99,102,241,0.1); color: var(--primary); }
[data-theme="light"] .nav-section-label { color: #94a3b8; }
[data-theme="light"] .sidebar-footer { border-color: #e2e8f0; }
[data-theme="light"] .user-info .user-name  { color: #1e293b; }
[data-theme="light"] .user-info .user-email { color: #64748b; }
[data-theme="light"] #theme-toggle { border-color: #e2e8f0 !important; background: #f8fafc !important; color: #475569 !important; }

/* Topbar */
[data-theme="light"] .topbar       { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .topbar-title h1 { color: #1e293b; }
[data-theme="light"] .topbar-title p  { color: #64748b; }

/* Cards / tables */
[data-theme="light"] .card         { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .stat-card    { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .stat-value   { color: #1e293b; }
[data-theme="light"] thead th      { color: #64748b; border-color: #e2e8f0; }
[data-theme="light"] tbody td      { color: #374151; border-color: #f1f5f9; }
[data-theme="light"] tbody tr:hover { background: #f8fafc; }

/* Inputs */
[data-theme="light"] .form-control  { background: #fff; border-color: #cbd5e1; color: #1e293b; }
[data-theme="light"] .form-control::placeholder { color: #94a3b8; }
[data-theme="light"] .form-label    { color: #374151; }

/* Dropdown */
[data-theme="light"] .dropdown-menu { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .dropdown-item { color: #374151; }
[data-theme="light"] .dropdown-item:hover { background: #f1f5f9; color: #1e293b; }

/* Editor */
[data-theme="light"] .editor-canvas   { background: #fff; border-color: #e2e8f0; }
[data-theme="light"] .editor-toolbar  { background: #f8fafc; border-color: #e2e8f0; }
[data-theme="light"] .toolbar-btn     { background: #f1f5f9; border-color: #e2e8f0; color: #475569; }
[data-theme="light"] .editor-sidebar  { background: #fff; border-color: #e2e8f0; }

/* Scrollbar */
[data-theme="light"] ::-webkit-scrollbar-track { background: #f1f5f9; }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: #cbd5e1; }

/* DocView sidebar (view.php uses inline styles; override where possible) */
[data-theme="light"] .pd-view-sidebar { background: #fff !important; border-color: #e2e8f0 !important; }

/* MarkX logo — dark mode: white logo on dark sidebar (keep invert) */
/* Light mode: dark-on-white sidebar; use mix-blend-mode to hide white bg */
[data-theme="light"] #markx-logo {
  filter: none !important;
  mix-blend-mode: multiply;  /* white bg becomes transparent on white sidebar */
}

/* Give the logo area a branded accent in light mode so the logo pops */
[data-theme="light"] .sidebar-logo {
  background: linear-gradient(135deg, rgba(99,102,241,0.08), rgba(16,185,129,0.06)) !important;
  border-radius: 10px !important;
  margin: 8px !important;
  padding: 12px 14px 10px !important;
  border: 1px solid rgba(99,102,241,0.12) !important;
}

/* Sidebar logo area sizing — both modes */
.sidebar-logo {
  flex-direction: column !important;
  align-items: flex-start !important;
  gap: 2px !important;
  padding: 20px 20px 16px !important;
}