/* Compact Commercial UI */
:root {
  --bg: #ffffff;
  --bg-secondary: #f8fafc;
  --panel: #ffffff;
  --panel-hover: #f1f5f9;
  --border: #e2e8f0;
  --border-hover: #cbd5e1;
  --text: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-light: #eff6ff;
  --success: #059669;
  --warning: #d97706;
  --danger: #dc2626;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-secondary);
  color: var(--text);
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  line-height: 1.4;
}

.app {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
  gap: 0;
}

/* Sidebar */
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}

.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 16px 16px 16px;
  margin-bottom: 12px;
  border-bottom: 1px solid var(--border);
}

.brand .title {
  font-weight: 600;
  font-size: 14px;
  color: var(--text);
}

.nav {
  padding: 0 12px;
}

.nav .section {
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 16px 6px 6px 6px;
}

.nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  text-decoration: none;
  padding: 8px 6px;
  border-radius: 6px;
  margin: 1px 0;
  transition: all 0.15s ease;
  font-size: 13px;
}

.nav a:hover {
  background: var(--panel-hover);
  color: var(--text);
}

.nav a.active {
  background: var(--primary-light);
  color: var(--primary);
}

.nav a i {
  width: 14px;
  text-align: center;
  font-size: 12px;
}

/* Main Content */
.main {
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Top Bar */
.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

.spacer {
  flex: 1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
}

.btn:hover {
  background: var(--panel-hover);
  border-color: var(--border-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.btn:active {
  transform: translateY(0);
}

.btn.primary {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}

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

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.btn.ghost:hover {
  background: var(--panel-hover);
  color: var(--text);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Input Fields */
.input {
  width: 100%;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 13px;
  transition: all 0.15s ease;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.input::placeholder {
  color: var(--text-muted);
}

/* KPI Grid */
.kpi {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.kpi .tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s ease;
}

.kpi .tile:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.kpi .tile .label {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 6px;
}

.kpi .tile .input {
  border: none;
  padding: 4px 0;
  font-size: 14px;
  font-weight: 500;
  background: transparent;
}

.kpi .tile .input:focus {
  border: none;
  box-shadow: none;
  background: var(--bg-secondary);
  border-radius: 4px;
  padding: 4px 8px;
}

/* Cards */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 16px;
}

.card h2 {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Section Cards */
.section-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 12px;
  transition: all 0.15s ease;
}

.section-card:hover {
  box-shadow: var(--shadow);
}

.section-toolbar {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 12px;
}

.section-title {
  flex: 1;
  font-size: 14px;
  font-weight: 500;
  border: none;
  background: transparent;
  color: var(--text);
  padding: 6px 0;
}

.section-title:focus {
  outline: none;
  background: var(--bg-secondary);
  border-radius: 4px;
  padding: 6px 8px;
}

.section-textarea {
  width: 100%;
  min-height: 80px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 12px;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  transition: all 0.15s ease;
}

.section-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--primary-light);
  background: var(--panel);
}

/* Badges and Status */
.badge {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 0;
}

#syncChip {
  background: var(--success);
  color: white;
  padding: 4px 8px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 500;
}

#syncChip.unsynced {
  background: var(--warning);
}

#unsyncedBanner {
  background: #fef3c7;
  color: #92400e;
  border: 1px solid #fde68a;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
}

#serverIdBadge {
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  margin-top: auto;
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 10px;
  color: var(--text-muted);
}

/* Recent List */
#recentList {
  max-height: 160px;
  overflow-y: auto;
  padding: 6px !important;
  background: var(--bg-secondary);
  border-radius: 4px;
  margin: 6px 12px !important;
}

#recentList a {
  display: block;
  padding: 6px;
  border-radius: 3px;
  color: var(--text-secondary) !important;
  text-decoration: none;
  font-size: 11px;
}

#recentList a:hover {
  background: var(--panel-hover);
}

/* Toast Container */
#toastContainer {
  position: fixed;
  right: 16px;
  bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 1000;
}

.toast {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px;
  box-shadow: var(--shadow-lg);
  min-width: 260px;
  font-size: 13px;
  color: var(--text);
}

.toast.success {
  border-left: 4px solid var(--success);
}

.toast.error {
  border-left: 4px solid var(--danger);
}

.toast.info {
  border-left: 4px solid var(--primary);
}

/* Print Styles */
@media print {
  .sidebar,
  .topbar,
  .controls,
  .section-toolbar,
  .no-print {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }

  .app {
    display: block;
  }

  .main {
    padding: 0;
    max-width: none;
  }

  .card,
  .section-card {
    box-shadow: none;
    border: 1px solid #ddd;
    break-inside: avoid;
    margin-bottom: 16px;
  }

  .kpi {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .input,
  .section-textarea {
    border: none;
    background: transparent;
    padding: 4px 0;
  }
}

/* Custom Field Types */
.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 0;
}

.checkbox-wrapper input[type="checkbox"] {
  width: auto;
  margin: 0;
}

.checklist-container {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  background: var(--bg-secondary);
}

.table-container {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  background: var(--bg-secondary);
}

/* Print adjustments for custom fields */
@media print {
  .checkbox-wrapper {
    break-inside: avoid;
  }
  
  .checklist-container,
  .table-container {
    border: 1px solid #ddd;
    background: transparent;
    break-inside: avoid;
  }
  
  .btn {
    display: none !important;
  }
  
  input[type="checkbox"] {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }
}

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

  .sidebar {
    display: none;
  }

  .main {
    padding: 12px;
  }

  .kpi {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .topbar {
    padding: 8px 12px;
  }

  .controls {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }

  .card, .section-card {
    padding: 12px;
    margin-bottom: 10px;
  }
}