/**
 * N8N DLP Scanner Dashboard - Stylesheet
 * Modern, responsive design with color-coded status indicators
 */

/* ============================================================================
   CSS Variables & Theme
   ========================================================================= */
:root {
  /* Status Colors */
  --color-healthy: #10b981;
  --color-warning: #f59e0b;
  --color-critical: #ef4444;

  /* UI Colors */
  --color-primary: #3b82f6;
  --color-secondary: #6b7280;
  --color-background: #f9fafb;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-text-light: #6b7280;
  --color-border: #e5e7eb;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

/* ============================================================================
   Reset & Base Styles
   ========================================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ============================================================================
   Layout
   ========================================================================= */
.container {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.main {
  flex: 1;
  padding: var(--spacing-xl) 0;
}

/* ============================================================================
   Header
   ========================================================================= */
.header {
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
}

.logo-icon {
  width: 32px;
  height: 32px;
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
}

.last-update {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================================================
   Buttons
   ========================================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

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

.btn-primary:hover {
  background-color: #2563eb;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: white;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

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

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

/* ============================================================================
   Sections
   ========================================================================= */
.section {
  margin-bottom: var(--spacing-xl);
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
  color: var(--color-text);
}

/* ============================================================================
   Statistics Grid
   ========================================================================= */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

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

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1;
}

.stat-sublabel {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

/* ============================================================================
   Instance Status Grid
   ========================================================================= */
.instances-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.instance-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-border);
  transition: all 0.2s ease;
}

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

/* Status Color Borders */
.instance-card.healthy {
  border-left-color: var(--color-healthy);
}

.instance-card.warning {
  border-left-color: var(--color-warning);
}

.instance-card.critical {
  border-left-color: var(--color-critical);
}

.instance-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  color: var(--color-text);
}

.instance-card .server {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.instance-card .violation-count {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.instance-card.healthy .violation-count {
  color: var(--color-healthy);
}

.instance-card.warning .violation-count {
  color: var(--color-warning);
}

.instance-card.critical .violation-count {
  color: var(--color-critical);
}

.instance-card .label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  margin-bottom: var(--spacing-md);
}

.instance-card .last-scan {
  font-size: 0.75rem;
  color: var(--color-text-light);
  padding-top: var(--spacing-sm);
  border-top: 1px solid var(--color-border);
}

/* ============================================================================
   Severity Breakdown
   ========================================================================= */
.severity-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.severity-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid;
  text-align: center;
}

.severity-card.critical {
  border-top-color: var(--color-critical);
}

.severity-card.warning {
  border-top-color: var(--color-warning);
}

.severity-card.info {
  border-top-color: var(--color-primary);
}

.severity-card .severity-count {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-xs);
}

.severity-card.critical .severity-count {
  color: var(--color-critical);
}

.severity-card.warning .severity-count {
  color: var(--color-warning);
}

.severity-card.info .severity-count {
  color: var(--color-primary);
}

.severity-card .severity-label {
  font-size: 0.875rem;
  color: var(--color-text-light);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================================================
   Chart Container
   ========================================================================= */
.chart-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
  height: 400px;
}

.chart-container canvas {
  max-height: 100%;
}

/* ============================================================================
   Table
   ========================================================================= */
.table-container {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  overflow: hidden;
}

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

.table thead {
  background-color: var(--color-background);
  border-bottom: 2px solid var(--color-border);
}

.table th {
  padding: var(--spacing-md);
  text-align: left;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.table td {
  padding: var(--spacing-md);
  font-size: 0.875rem;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
}

.table tbody tr:hover {
  background-color: var(--color-background);
}

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

/* Status Badges in Table */
.status-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.success {
  background-color: #d1fae5;
  color: #065f46;
}

.status-badge.failed {
  background-color: #fee2e2;
  color: #991b1b;
}

.email-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.email-badge.sent {
  background-color: #dbeafe;
  color: #1e40af;
}

.email-badge.not-sent {
  background-color: #f3f4f6;
  color: #4b5563;
}

/* ============================================================================
   Export Card
   ========================================================================= */
.export-card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.export-form {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-control {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-family: var(--font-family);
  transition: border-color 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-actions {
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.form-help {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: var(--spacing-xs);
}

.form-help code {
  background-color: var(--color-background);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.75rem;
}

/* ============================================================================
   Configuration Panel
   ========================================================================= */
.config-details {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
}

.config-summary {
  padding: var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.config-summary::-webkit-details-marker {
  display: none;
}

.config-summary svg {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
}

.config-summary:hover {
  background-color: var(--color-background);
}

.config-content {
  padding: 0 var(--spacing-lg) var(--spacing-lg) var(--spacing-lg);
}

.config-card {
  padding: var(--spacing-lg);
  background-color: var(--color-background);
  border-radius: var(--radius-md);
}

.config-card h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
}

.config-info {
  font-size: 0.875rem;
  color: var(--color-text);
  margin-bottom: var(--spacing-lg);
}

.config-info code {
  background-color: var(--color-surface);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
  color: var(--color-primary);
}

.config-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  background-color: var(--color-surface);
  color: var(--color-text-light);
  margin-left: var(--spacing-sm);
}

.config-form {
  margin-bottom: var(--spacing-lg);
}

.config-note {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background-color: #fef3c7;
  border-left: 3px solid var(--color-warning);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: #92400e;
}

.config-note svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ============================================================================
   Loading State
   ========================================================================= */
.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xl);
  text-align: center;
}

.loading-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: var(--spacing-md);
}

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

.loading p {
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================================================
   Error State
   ========================================================================= */
.error-banner {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background-color: #fee2e2;
  border-left: 4px solid var(--color-critical);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-xl);
}

.error-banner svg {
  width: 24px;
  height: 24px;
  color: var(--color-critical);
  flex-shrink: 0;
}

.error-banner span {
  font-size: 0.875rem;
  color: #991b1b;
}

/* ============================================================================
   Toast Notifications
   ========================================================================= */
.toast {
  position: fixed;
  bottom: var(--spacing-xl);
  right: var(--spacing-xl);
  background-color: var(--color-healthy);
  color: white;
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: slideIn 0.3s ease;
  z-index: 1000;
}

.toast svg {
  width: 20px;
  height: 20px;
}

@keyframes slideIn {
  from {
    transform: translateX(400px);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================================================
   Footer
   ========================================================================= */
.footer {
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-lg) 0;
  margin-top: auto;
}

.footer p {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-light);
}

/* ============================================================================
   Responsive Design
   ========================================================================= */
@media (max-width: 768px) {
  .header .container {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
  }

  .stats-grid,
  .instances-grid,
  .severity-grid {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-actions {
    flex-direction: column;
  }

  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }

  .chart-container {
    height: 300px;
    padding: var(--spacing-md);
  }

  .table-container {
    overflow-x: auto;
  }

  .toast {
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    left: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--spacing-md);
  }

  .logo {
    font-size: 1.25rem;
  }

  .stat-value {
    font-size: 2rem;
  }

  .instance-card .violation-count {
    font-size: 1.5rem;
  }

  .severity-card .severity-count {
    font-size: 2rem;
  }
}

/* ============================================================================
   Utility Classes
   ========================================================================= */
.text-center {
  text-align: center;
}

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

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }

/* ============================================================================
   Modal Styles
   ========================================================================= */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(2px);
}

.modal-content {
  position: relative;
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  max-width: 900px;
  width: 90%;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

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

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  color: var(--color-text-light);
  cursor: pointer;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s;
}

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

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

.violation-item {
  background-color: var(--color-background);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--color-border);
}

.violation-item.critical {
  border-left-color: var(--color-critical);
}

.violation-item.warning {
  border-left-color: var(--color-warning);
}

.violation-item.info {
  border-left-color: var(--color-primary);
}

.violation-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--spacing-sm);
}

.violation-workflow {
  flex: 1;
}

.violation-workflow-name {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.violation-workflow-link {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.875rem;
}

.violation-workflow-link:hover {
  text-decoration: underline;
}

.violation-workflow-link svg {
  width: 14px;
  height: 14px;
}

.violation-severity-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.violation-severity-badge.critical {
  background-color: #fee2e2;
  color: #991b1b;
}

.violation-severity-badge.warning {
  background-color: #fef3c7;
  color: #92400e;
}

.violation-severity-badge.info {
  background-color: #dbeafe;
  color: #1e40af;
}

.violation-details {
  display: grid;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.violation-detail-row {
  display: flex;
  gap: var(--spacing-sm);
}

.violation-detail-label {
  font-weight: 600;
  color: var(--color-text-light);
  min-width: 100px;
}

.violation-detail-value {
  color: var(--color-text);
  flex: 1;
}

.violation-detail-value code {
  background-color: var(--color-surface);
  padding: 0.125rem 0.375rem;
  border-radius: var(--radius-sm);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
}

.violation-recommendation {
  margin-top: var(--spacing-md);
  padding: var(--spacing-md);
  background-color: #eff6ff;
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.violation-recommendation-title {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.violation-recommendation-text {
  color: var(--color-text);
  font-size: 0.875rem;
}

/* Make instance cards clickable */
.instance-card {
  cursor: pointer;
  transition: all 0.2s ease;
}

.instance-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}