:root {
  /* Primary colors — warm terracotta, not cold blue */
  --primary: #C96A3A;
  --primary-light: #E8845A;
  --primary-dark: #A0502A;
  
  /* Semantic colors */
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  
  /* Backgrounds — warm, not sterile */
  --bg: #FAF9F7;
  --surface: #FFFFFF;
  --surface-hover: #F5F3F0;
  --sidebar-bg: #1A1814;
  
  /* Text */
  --text: #1A1814;
  --text-secondary: #6B6560;
  --text-muted: #A09993;
  --text-inverse: #FFFFFF;
  
  /* Borders */
  --border: #E8E4E0;
  --border-strong: #D5CFC8;
  
  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 4px 16px rgba(0,0,0,0.08);
  
  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', sans-serif;
  --font-mono: 'SF Mono', 'Monaco', 'Inconsolata', monospace;
}

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

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* === LAYOUT === */
.app {
  min-height: 100vh;
  display: flex;
}

/* === SIDEBAR === */
.sidebar {
  width: 220px;
  background: var(--sidebar-bg);
  color: var(--text-inverse);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  left: 0;
  top: 0;
  z-index: 100;
}

.sidebar-logo {
  padding: var(--space-lg);
  font-size: 18px;
  font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.sidebar-nav {
  flex: 1;
  padding: var(--space-md) 0;
  overflow-y: auto;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 10px var(--space-lg);
  color: rgba(255,255,255,0.55);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.15s ease;
  border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.04);
}

.sidebar-nav a.active {
  color: var(--primary-light);
  background: rgba(201, 106, 58, 0.1);
  border-left-color: var(--primary);
}

.sidebar-nav .icon {
  font-size: 18px;
  width: 24px;
  text-align: center;
}

.sidebar-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 12px;
}

.sidebar-footer button {
  margin-top: var(--space-sm);
  width: 100%;
  padding: 8px;
  background: rgba(255,255,255,0.08);
  color: var(--text-inverse);
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 12px;
  transition: background 0.15s;
}

.sidebar-footer button:hover {
  background: rgba(255,255,255,0.15);
}

/* === MAIN CONTENT === */
.main {
  flex: 1;
  margin-left: 220px;
  padding: var(--space-xl);
  max-width: 1400px;
}

.module-header {
  margin-bottom: var(--space-xl);
}

.module-header h1 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  letter-spacing: -0.02em;
}

.subtitle {
  color: var(--text-secondary);
  font-size: 15px;
}

/* === KPI GRID === */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  display: flex;
  align-items: center;
  gap: var(--space-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  cursor: pointer;
}

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

.kpi-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: var(--radius-md);
}

.kpi-value {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.kpi-label {
  font-size: 12px;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 600;
}

.kpi-trend {
  font-size: 12px;
  font-weight: 600;
  margin-top: 2px;
}

.kpi-trend.up { color: var(--success); }
.kpi-trend.down { color: var(--danger); }

/* === PANELS === */
.panel {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: var(--space-lg);
}

.panel h3 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text);
}

/* === TOOLBAR === */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
  gap: var(--space-md);
}

.toolbar h3 {
  margin: 0;
}

/* === BUTTONS === */
.btn-primary {
  padding: 10px 18px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  padding: 10px 18px;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: var(--surface-hover);
}

.btn-small {
  padding: 6px 12px;
  font-size: 12px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: var(--primary);
  color: white;
  font-weight: 500;
  transition: all 0.15s;
}

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

.btn-danger {
  background: var(--danger);
}

.btn-danger:hover {
  background: #dc2626;
}

.btn-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 600;
}

.btn-link:hover {
  text-decoration: underline;
}

.btn-action {
  padding: 12px 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
  color: var(--text);
}

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

/* === DATA TABLES === */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.data-table th {
  text-align: left;
  padding: 12px;
  border-bottom: 2px solid var(--border);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: 0.5px;
}

.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.data-table tr:hover td {
  background: var(--surface-hover);
}

.data-table tr:last-child td {
  border-bottom: none;
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.badge.active, .badge.completed, .badge.paid, .badge.ok {
  background: #DCFCE7;
  color: #166534;
}
.badge.active::before, .badge.completed::before, .badge.paid::before, .badge.ok::before {
  background: var(--success);
}

.badge.pending, .badge.warning, .badge.draft, .badge.sent {
  background: #FEF3C7;
  color: #92400E;
}
.badge.pending::before, .badge.warning::before, .badge.draft::before, .badge.sent::before {
  background: var(--warning);
}

.badge.failed, .badge.error, .badge.critical, .badge.overdue {
  background: #FEE2E2;
  color: #991B1B;
}
.badge.failed::before, .badge.error::before, .badge.critical::before, .badge.overdue::before {
  background: var(--danger);
}

.badge.open, .badge.running, .badge.processing {
  background: #DBEAFE;
  color: #1E40AF;
}
.badge.open::before, .badge.running::before, .badge.processing::before {
  background: var(--info);
}

/* === LISTS === */
.list-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.15s;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item-main {
  font-weight: 500;
  font-size: 14px;
}

.list-item-meta {
  font-size: 13px;
  color: var(--text-secondary);
  margin-top: 2px;
}

.list-item-right {
  text-align: right;
}

/* === ALERTS === */
.alerts-container {
  position: fixed;
  top: 0;
  left: 220px;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) var(--space-xl);
  background: var(--bg);
}

.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  margin-bottom: var(--space-sm);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.alert-critical {
  background: #FEE2E2;
  color: #991B1B;
  border-left: 4px solid var(--danger);
}

.alert-warning {
  background: #FEF3C7;
  color: #92400E;
  border-left: 4px solid var(--warning);
}

.alert-info {
  background: #DBEAFE;
  color: #1E40AF;
  border-left: 4px solid var(--info);
}

.alert-success {
  background: #DCFCE7;
  color: #166534;
  border-left: 4px solid var(--success);
}

/* === AUTOMATION STATUS === */
.automation-status {
  margin-bottom: var(--space-lg);
}

.automation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.automation-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 14px var(--space-md);
  background: var(--bg);
  border-radius: var(--radius-md);
  font-size: 14px;
  border: 1px solid var(--border);
  transition: all 0.15s;
}

.automation-item:hover {
  border-color: var(--border-strong);
}

.automation-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

.automation-indicator.active {
  background: var(--success);
  box-shadow: 0 0 0 4px rgba(34, 197, 94, 0.15);
}

.automation-indicator.warning {
  background: var(--warning);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.15);
}

.automation-indicator.error {
  background: var(--danger);
  box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

.automation-name {
  font-weight: 600;
  flex: 1;
}

.automation-schedule {
  font-size: 12px;
  color: var(--text-secondary);
}

/* === QUICK ACTIONS === */
.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

/* === MODAL === */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(4px);
}

.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border);
}

.modal-header h3 {
  margin: 0;
  font-size: 18px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

.modal-close:hover {
  background: var(--bg);
}

.modal-body {
  padding: var(--space-lg);
}

/* === FORMS === */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  font-size: 15px;
  font-family: inherit;
  background: var(--surface);
  color: var(--text);
  transition: all 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(201, 106, 58, 0.1);
}

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

/* === CODE === */
code {
  background: var(--bg);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-secondary);
}

/* === CHARTS === */
canvas {
  max-height: 300px;
}

/* === EMPTY STATE === */
.empty-state {
  text-align: center;
  padding: var(--space-2xl);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 48px;
  margin-bottom: var(--space-md);
  opacity: 0.5;
}

/* === LOADING === */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-xl);
  color: var(--text-secondary);
}

.loading::after {
  content: '';
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  margin-left: var(--space-sm);
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
  .sidebar { 
    width: 60px; 
  }
  .sidebar-logo { 
    font-size: 14px; 
    padding: var(--space-md) var(--space-sm); 
    justify-content: center;
  }
  .sidebar-logo span:last-child {
    display: none;
  }
  .sidebar-nav a { 
    padding: 12px; 
    justify-content: center; 
  }
  .sidebar-nav a span:not(.icon) { 
    display: none; 
  }
  .sidebar-footer { 
    display: none; 
  }
  .main { 
    margin-left: 60px; 
    padding: var(--space-md); 
  }
  .kpi-grid { 
    grid-template-columns: repeat(2, 1fr); 
    gap: var(--space-sm);
  }
  .kpi-card {
    padding: var(--space-md);
  }
  .kpi-value {
    font-size: 20px;
  }
  .dashboard-grid { 
    grid-template-columns: 1fr; 
  }
  .automation-grid { 
    grid-template-columns: 1fr; 
  }
  .toolbar {
    flex-direction: column;
    align-items: stretch;
  }
  .quick-actions {
    justify-content: stretch;
  }
  .btn-action {
    flex: 1;
    text-align: center;
  }
}

/* === SCROLLBAR === */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* === FOCUS VISIBLE === */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* === SELECTION === */
::selection {
  background: rgba(201, 106, 58, 0.2);
  color: var(--text);
}