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

:root {
  --primary: #3b82f6;
  --primary-dark: #2563eb;
  --secondary: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --dark: #0f172a;
  --light: #f8fafc;
  --border: #e2e8f0;
  --card-bg: #ffffff;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --text-primary: #1e293b;
  --text-secondary: #64748b;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--light);
  color: var(--text-primary);
  line-height: 1.6;
}

/* ========================================
   DASHBOARD STYLES
======================================== */

/* Dashboard Layout */
.dashboard {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: var(--card-bg);
  box-shadow: var(--shadow);
  padding: 1rem 2rem;
  display: flex;
  justify-content: between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.header h1 i {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.user-info {
  width: 100%;
  display: flex;
  margin-left: 35px;
  align-items: left;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.user-avatar {
  width: 2rem;
  height: 2rem;
  background: var(--gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 0.75rem;
}

/* Main Content */
.main-content {
  flex: 1;
  padding: 2rem;
  margin: 0 auto;
  width: 100%;
}

/* Quick Actions */
.quick-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.action-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 500;
  transition: all 0.2s ease;
  box-shadow: var(--shadow);
}

.action-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.action-btn i {
  width: 20px;
  color: var(--primary);
}

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

.action-btn.primary i {
  color: white;
}

.action-btn.danger {
  border-color: var(--danger);
}

.action-btn.danger:hover {
  border-color: var(--danger);
  background: rgba(239, 68, 68, 0.05);
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient);
}

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

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

.stat-title {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.stat-icon.primary {
  background: rgba(59, 130, 246, 0.1);
  color: var(--primary);
}

.stat-icon.success {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
}

.stat-icon.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-value.warn {
  color: var(--warning);
}

.stat-subtitle {
  font-size: 0.875rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* Recent Certificates */
.recent-section {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  overflow: hidden;
}

.section-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.section-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.view-all-btn {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: all 0.2s ease;
}

.view-all-btn:hover {
  color: var(--primary-dark);
}

/* Table */
.table-container {
  overflow-x: auto;
  overflow-x: hidden; /* hides horizontal scrollbar */
}

.expiry-date {
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: 0.875rem;
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  white-space: nowrap;
}

.expiry-date.warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
}

.expiry-date.danger {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger);
}

/* Footer */
.footer {
  background: var(--card-bg);
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.footer-brand {
  font-weight: 600;
  color: var(--primary);
}

/* ========================================
   LOGIN PAGE STYLES
======================================== */

/* Login Body Override */
body.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  position: relative;
  overflow-x: hidden;
}

body.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--gradient);
  opacity: 0.05;
  z-index: -1;
}

.login-container {
  width: 100%;
  max-width: 420px;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  animation: fadeInUp 0.6s ease-out;
}

.login-header {
  background: var(--gradient);
  padding: 2.5rem 2rem 2rem;
  text-align: center;
  color: white;
  position: relative;
}

.login-header::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-top: 10px solid #764ba2;
}

.brand-logo {
  width: 4rem;
  height: 4rem;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1rem;
  backdrop-filter: blur(10px);
}

.brand-logo i {
  font-size: 1.5rem;
  color: white;
}

.login-header h1 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.login-header p {
  font-size: 0.95rem;
  opacity: 0.9;
  font-weight: 400;
}

.login-form {
  padding: 2.5rem 2rem 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.input-wrapper {
  position: relative;
}

.form-input {
  width: 100%;
  padding: 0.875rem 1rem 0.875rem 3rem;
  border: 2px solid var(--border);
  border-radius: 12px;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--card-bg);
  transition: all 0.2s ease;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  transform: translateY(-1px);
}

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

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: all 0.2s ease;
  cursor: pointer;
}

.form-input:focus + .input-icon {
  color: var(--primary);
}

.form-options {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.checkbox-wrapper {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-checkbox {
  width: 1.125rem;
  height: 1.125rem;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: var(--card-bg);
  cursor: pointer;
  position: relative;
  transition: all 0.2s ease;
}

.form-checkbox:checked {
  background: var(--primary);
  border-color: var(--primary);
}

.form-checkbox:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 0.75rem;
  font-weight: bold;
}

.checkbox-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}

.forgot-link {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.forgot-link:hover {
  color: var(--primary-dark);
  text-decoration: underline;
}

.login-button {
  width: 100%;
  padding: 1rem 2rem;
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  position: relative;
  overflow: hidden;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.login-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.login-button:active {
  transform: translateY(0);
}

.login-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

.login-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.6s ease;
}

.login-button:hover::before {
  left: 100%;
}

.divider {
  display: flex;
  align-items: center;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-size: 0.875rem;
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.divider span {
  padding: 0 1rem;
  background: var(--card-bg);
}

.social-login {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
}

.social-btn {
  flex: 1;
  padding: 0.875rem;
  border: 2px solid var(--border);
  border-radius: 12px;
  background: var(--card-bg);
  color: var(--text-secondary);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 500;
  transition: all 0.2s ease;
  font-size: 0.875rem;
}

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

.footer-text {
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.875rem;
  padding-bottom: 0.5rem;
}

.footer-text a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 500;
}

.footer-text a:hover {
  text-decoration: underline;
}

.security-info {
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.1);
  border-radius: 12px;
  padding: 1rem;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.security-info i {
  color: var(--primary);
  font-size: 1rem;
}

/* Loading state */
.loading {
  position: relative;
  color: transparent;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

/* ========================================
   ANIMATIONS
======================================== */
@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.stat-card,
.recent-section {
  animation: fadeInUp 0.5s ease-out;
}

.stat-card:nth-child(2) { animation-delay: 0.1s; }
.stat-card:nth-child(3) { animation-delay: 0.2s; }
.recent-section { animation-delay: 0.3s; }

    /* Custom DataTable Styling */
    .dataTables_wrapper {
      font-family: inherit;
    }

    .dataTables_wrapper .dataTables_length select,
    .dataTables_wrapper .dataTables_filter input {
      border: 2px solid var(--border);
      border-radius: 8px;
      padding: 0.5rem 0.75rem;
      font-size: 0.875rem;
      background: var(--card-bg);
      color: var(--text-primary);
      transition: all 0.2s ease;
    }

    .dataTables_wrapper .dataTables_filter input:focus,
    .dataTables_wrapper .dataTables_length select:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    }

    .dataTables_wrapper .dataTables_filter {
      margin-bottom: 1rem;
    }

    .dataTables_wrapper .dataTables_filter label {
      font-weight: 500;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .dataTables_wrapper .dataTables_length label {
      font-weight: 500;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1rem;
    }

    .cert-table {
      width: 100% !important;
      border-collapse: collapse;
      margin-top: 1rem;
    }

    .cert-table th,
    .cert-table td {
      padding: 1rem 0.75rem;
      text-align: left;
      border-bottom: 1px solid var(--border);
      vertical-align: middle;
    }

    .cert-table th {
      background: var(--light);
      font-weight: 600;
      color: var(--text-primary);
      font-size: 0.875rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
      position: relative;
    }

    .cert-table td {
      color: var(--text-secondary);
    }

    .cert-table tbody tr:hover {
      background: rgba(59, 130, 246, 0.05);
    }

    .cert-name {
      font-weight: 500;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .cert-icon {
      width: 2rem;
      height: 2rem;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 0.875rem;
      flex-shrink: 0;
    }

    .bu-badge {
      background: var(--gradient);
      color: white;
      padding: 0.25rem 0.75rem;
      border-radius: 20px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .cert-count {
      background: rgba(16, 185, 129, 0.1);
      color: var(--success);
      padding: 0.25rem 0.75rem;
      border-radius: 20px;
      font-weight: 600;
      text-align: center;
      min-width: 3rem;
    }

    .cert-count.high {
      background: rgba(245, 158, 11, 0.1);
      color: var(--warning);
    }

    .cert-count.critical {
      background: rgba(239, 68, 68, 0.1);
      color: var(--danger);
    }

    .last-seen {
      font-family: 'Monaco', 'Menlo', monospace;
      font-size: 0.875rem;
      white-space: nowrap;
    }

    .status-online {
      color: var(--success);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .status-online::before {
      content: '';
      width: 8px;
      height: 8px;
      background: var(--success);
      border-radius: 50%;
      animation: pulse 2s infinite;
    }

    .status-offline {
      color: var(--text-secondary);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .status-offline::before {
      content: '';
      width: 8px;
      height: 8px;
      background: var(--text-secondary);
      border-radius: 50%;
    }

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

    /* Pagination styling */
    .dataTables_wrapper .dataTables_paginate {
      margin-top: 1.5rem;
    }

    .dataTables_wrapper .dataTables_paginate .paginate_button {
      padding: 0.5rem 1rem;
      margin: 0 0.25rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--card-bg);
      color: var(--text-primary) !important;
      transition: all 0.2s ease;
      text-decoration: none;
    }

    .dataTables_wrapper .dataTables_paginate .paginate_button:hover {
      background: var(--primary) !important;
      color: white !important;
      border-color: var(--primary);
      transform: translateY(-1px);
    }

    .dataTables_wrapper .dataTables_paginate .paginate_button.current {
      background: var(--primary) !important;
      color: white !important;
      border-color: var(--primary);
    }

    .dataTables_wrapper .dataTables_info {
      color: var(--text-secondary);
      font-size: 0.875rem;
      margin-top: 1rem;
    }

    /* Certificate Detail Page Specific Styles */
    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      margin-bottom: 2rem;
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    .breadcrumb a {
      color: var(--primary);
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .breadcrumb a:hover {
      color: var(--primary-dark);
      text-decoration: underline;
    }

    .breadcrumb-separator {
      color: var(--text-secondary);
      margin: 0 0.25rem;
    }

    .detail-header {
      background: var(--card-bg);
      border-radius: 16px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      padding: 2rem;
      margin-bottom: 2rem;
      position: relative;
      overflow: hidden;
    }

    .detail-header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient);
    }

    .detail-title-section {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 1.5rem;
      flex-wrap: wrap;
      gap: 1rem;
    }

    .detail-title {
      display: flex;
      align-items: center;
      gap: 1rem;
    }

    .detail-icon {
      width: 4rem;
      height: 4rem;
      background: var(--gradient);
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1.5rem;
    }

    .detail-title-text h1 {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .detail-title-text .subtitle {
      color: var(--text-secondary);
      font-size: 0.95rem;
    }

    .detail-actions {
      display: flex;
      gap: 0.75rem;
      flex-wrap: wrap;
    }

    .detail-btn {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.75rem 1.25rem;
      border: 2px solid var(--border);
      border-radius: 10px;
      text-decoration: none;
      font-weight: 500;
      font-size: 0.875rem;
      transition: all 0.2s ease;
      background: var(--card-bg);
      color: var(--text-primary);
    }

    .detail-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      color: var(--text-primary);
    }

    .detail-btn.edit {
      border-color: var(--primary);
      color: var(--primary);
    }

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

    .detail-btn.remove {
      border-color: var(--danger);
      color: var(--danger);
    }

    .detail-btn.remove:hover {
      background: var(--danger);
      color: white;
    }

    .status-badges {
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .status-badge {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      padding: 0.5rem 1rem;
      border-radius: 20px;
      font-size: 0.875rem;
      font-weight: 600;
    }

    .status-badge.valid {
      background: rgba(16, 185, 129, 0.1);
      color: var(--success);
    }

    .status-badge.expiring {
      background: rgba(245, 158, 11, 0.1);
      color: var(--warning);
    }

    .status-badge.expired {
      background: rgba(239, 68, 68, 0.1);
      color: var(--danger);
    }

    .status-badge.trusted {
      background: rgba(59, 130, 246, 0.1);
      color: var(--primary);
    }

    .detail-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 2rem;
      margin-bottom: 2rem;
    }

    .detail-card {
      background: var(--card-bg);
      border-radius: 16px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      overflow: hidden;
    }

    .detail-card-header {
      padding: 1.5rem 1.5rem 0;
      border-bottom: 1px solid var(--border);
      margin-bottom: 0;
      background: var(--light);
    }

    .detail-card-title {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 1.5rem;
    }

    .detail-card-content {
      padding: 1.5rem;
    }

    .info-group {
      margin-bottom: 1.5rem;
    }

    .info-group:last-child {
      margin-bottom: 0;
    }

    .info-label {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.5rem;
      display: block;
    }

    .info-value {
      color: var(--text-primary);
      font-weight: 500;
      word-break: break-all;
      line-height: 1.5;
    }

    .info-value.code {
      font-family: 'Monaco', 'Menlo', monospace;
      background: var(--light);
      padding: 0.5rem 0.75rem;
      border-radius: 8px;
      font-size: 0.875rem;
      border: 1px solid var(--border);
    }

    .info-value.highlight {
      color: var(--primary);
      font-weight: 600;
    }

    .info-value.date {
      font-family: 'Monaco', 'Menlo', monospace;
      font-size: 0.875rem;
    }

    .full-width-card {
      grid-column: 1 / -1;
    }

    .certificate-chain {
      margin-top: 1rem;
    }

    .chain-item {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem;
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 0.75rem;
      background: var(--card-bg);
      transition: all 0.2s ease;
    }

    .chain-item:hover {
      background: rgba(59, 130, 246, 0.05);
      border-color: var(--primary);
    }

    .chain-item:last-child {
      margin-bottom: 0;
    }

    .chain-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 1rem;
      flex-shrink: 0;
    }

    .chain-info {
      flex: 1;
      min-width: 0;
    }

    .chain-name {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
      word-break: break-all;
    }

    .chain-details {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    .chain-level {
      background: var(--gradient);
      color: white;
      padding: 0.25rem 0.75rem;
      border-radius: 12px;
      font-size: 0.75rem;
      font-weight: 600;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .alert-warning {
      background: rgba(245, 158, 11, 0.1);
      border: 1px solid rgba(245, 158, 11, 0.2);
      border-radius: 12px;
      padding: 1rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 2rem;
      color: var(--warning);
    }

    .alert-warning i {
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .alert-danger {
      background: rgba(239, 68, 68, 0.1);
      border: 1px solid rgba(239, 68, 68, 0.2);
      border-radius: 12px;
      padding: 1rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
      margin-bottom: 2rem;
      color: var(--danger);
    }

    .alert-danger i {
      font-size: 1.25rem;
      flex-shrink: 0;
    }

    .copy-button {
      background: var(--light);
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 0.25rem 0.5rem;
      color: var(--text-secondary);
      cursor: pointer;
      font-size: 0.75rem;
      transition: all 0.2s ease;
      margin-left: 0.5rem;
    }

    .copy-button:hover {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
    }

    /* Client Detail Page Specific New Classes */
    .client-system-info {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 1rem;
      margin-bottom: 1.5rem;
    }

    .system-metric {
      background: rgba(59, 130, 246, 0.05);
      border: 1px solid rgba(59, 130, 246, 0.1);
      border-radius: 12px;
      padding: 1rem;
      text-align: center;
    }

    .system-metric-value {
      font-size: 1.75rem;
      font-weight: 700;
      color: var(--primary);
      margin-bottom: 0.25rem;
    }

    .system-metric-label {
      font-size: 0.875rem;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .connection-status {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 1rem;
      background: var(--card-bg);
      border: 2px solid var(--border);
      border-radius: 12px;
      margin-bottom: 1.5rem;
    }

    .connection-status.online {
      border-color: var(--success);
      background: rgba(16, 185, 129, 0.05);
    }

    .connection-status.offline {
      border-color: var(--danger);
      background: rgba(239, 68, 68, 0.05);
    }

    .connection-indicator {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      flex-shrink: 0;
    }

    .connection-indicator.online {
      background: var(--success);
      animation: pulse-green 2s infinite;
    }

    .connection-indicator.offline {
      background: var(--danger);
    }

    .connection-text {
      flex: 1;
    }

    .connection-since {
      font-size: 0.875rem;
      color: var(--text-secondary);
      margin-top: 0.25rem;
    }

    .cert-summary-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .cert-summary-item {
      text-align: center;
      padding: 1.5rem 1rem;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      transition: all 0.2s ease;
    }

    .cert-summary-item:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
      border-color: var(--primary);
    }

    .cert-summary-number {
      font-size: 2rem;
      font-weight: 700;
      margin-bottom: 0.5rem;
    }

    .cert-summary-number.total {
      color: var(--primary);
    }

    .cert-summary-number.valid {
      color: var(--success);
    }

    .cert-summary-number.expiring {
      color: var(--warning);
    }

    .cert-summary-number.expired {
      color: var(--danger);
    }

    .cert-summary-label {
      font-size: 0.875rem;
      color: var(--text-secondary);
      font-weight: 500;
    }

    .network-info-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1.5rem;
    }

    .network-item {
      display: flex;
      align-items: center;
      gap: 0.75rem;
      padding: 0.75rem;
      background: var(--light);
      border-radius: 8px;
      border: 1px solid var(--border);
    }

    .network-icon {
      width: 2rem;
      height: 2rem;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary);
      font-size: 0.875rem;
      flex-shrink: 0;
    }

    .network-details {
      flex: 1;
      min-width: 0;
    }
    .network-label {
      font-size: 0.75rem;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
      margin-bottom: 0.25rem;
    }

    .network-value {
      font-weight: 500;
      color: var(--text-primary);
      font-family: 'Monaco', 'Menlo', monospace;
      font-size: 0.875rem;
    }

    .cert-filter-tabs {
      display: flex;
      gap: 0.5rem;
      margin-bottom: 1.5rem;
      border-bottom: 1px solid var(--border);
      padding-bottom: 1rem;
    }

    .filter-tab {
      padding: 0.5rem 1rem;
      background: transparent;
      border: 1px solid var(--border);
      border-radius: 20px;
      color: var(--text-secondary);
      text-decoration: none;
      font-size: 0.875rem;
      font-weight: 500;
      transition: all 0.2s ease;
      cursor: pointer;
    }

    .filter-search-input {
      padding: 0.5rem 1rem;
      border: 1px solid var(--border);
      border-radius: 20px;
      font-size: 0.875rem;
      font-weight: 500;
    }

    .filter-tab:hover {
      background: rgba(59, 130, 246, 0.05);
      border-color: var(--primary);
      color: var(--primary);
    }

    .filter-tab.active {
      background: var(--primary);
      border-color: var(--primary);
      color: white;
    }

    .mini-cert-card {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1rem;
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 0.75rem;
      transition: all 0.2s ease;
    }

    .mini-cert-card:hover {
      background: rgba(59, 130, 246, 0.02);
      border-color: var(--primary);
      transform: translateY(-1px);
      box-shadow: var(--shadow);
    }

    .mini-cert-card:last-child {
      margin-bottom: 0;
    }

    .mini-cert-icon {
      width: 2.5rem;
      height: 2.5rem;
      background: var(--gradient);
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 1rem;
      flex-shrink: 0;
    }

    .mini-cert-info {
      flex: 1;
      min-width: 0;
    }

    .mini-cert-name {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
      word-break: break-all;
    }

    .mini-cert-details {
      font-size: 0.875rem;
      color: var(--text-secondary);
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .mini-cert-status {
      display: flex;
      align-items: center;
      gap: 0.5rem;
      flex-shrink: 0;
    }

    .mini-status-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
    }

    .mini-status-dot.valid {
      background: var(--success);
    }

    .mini-status-dot.expiring {
      background: var(--warning);
    }

    .mini-status-dot.expired {
      background: var(--danger);
    }

    .mini-status-text {
      font-size: 0.875rem;
      font-weight: 500;
    }

    .mini-status-text.valid {
      color: var(--success);
    }

    .mini-status-text.expiring {
      color: var(--warning);
    }

    .mini-status-text.expired {
      color: var(--danger);
    }

    .activity-timeline {
      position: relative;
      padding-left: 2rem;
    }

    .activity-timeline::before {
      content: '';
      position: absolute;
      left: 0.75rem;
      top: 0;
      bottom: 0;
      width: 2px;
      background: var(--border);
    }

    .activity-item {
      position: relative;
      padding-bottom: 1.5rem;
    }

    .activity-item:last-child {
      padding-bottom: 0;
    }

    .activity-dot {
      position: absolute;
      left: -1.5rem;
      top: 0.5rem;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      border: 2px solid var(--card-bg);
      background: var(--primary);
    }

    .activity-content {
      background: var(--light);
      border-radius: 10px;
      padding: 1rem;
      border: 1px solid var(--border);
    }

    .activity-header {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 0.5rem;
      gap: 1rem;
    }

    .activity-title {
      font-weight: 600;
      color: var(--text-primary);
      font-size: 0.875rem;
    }

    .activity-time {
      font-size: 0.75rem;
      color: var(--text-secondary);
      font-family: 'Monaco', 'Menlo', monospace;
      flex-shrink: 0;
    }

    .activity-description {
      font-size: 0.875rem;
      color: var(--text-secondary);
      line-height: 1.4;
    }

    .mini-cert-view-link {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 2rem;
      height: 2rem;
      background: rgba(59, 130, 246, 0.1);
      border: 1px solid var(--border);
      border-radius: 8px;
      color: var(--primary);
      text-decoration: none;
      transition: all 0.2s ease;
    }

    .mini-cert-view-link:hover {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
      transform: translateY(-1px);
      box-shadow: var(--shadow);
    }

/* DataTables Custom Styling to Match Certificate Manager Design System */


/* Search Input Styling */
.dataTables_wrapper .dataTables_filter input {
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 0.5rem 0.75rem 0.5rem 2.5rem;
  font-size: 0.875rem;
  background: var(--card-bg);
  color: var(--text-primary);
  transition: all 0.2s ease;
  font-family: inherit;
  font-weight: 400;
  min-width: 300px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'%3E%3C/circle%3E%3Cpath d='m21 21-4.35-4.35'%3E%3C/path%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: left 0.75rem center;
}
.dataTables_wrapper .dataTables_filter input:hover {
  border-color: var(--primary);
  background-color: rgba(59, 130, 246, 0.02);
}

.dataTables_wrapper .dataTables_filter input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
  background-color: var(--card-bg);
}

.dataTables_wrapper .dataTables_filter input::placeholder {
  color: var(--text-secondary);
}

    /* Modal Overlay */
    .modal-overlay {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(15, 23, 42, 0.8);
      backdrop-filter: blur(4px);
      z-index: 9998;
      display: none;
      animation: fadeIn 0.3s ease;
    }

    .modal-overlay.active {
      display: block;
    }

    /* Modal Container */
    .modal-container {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 9999;
        display: none;
        align-items: flex-start;
        justify-content: center;
        padding: 30px 1rem 1rem;
        overflow-y: auto; 
    }

    .modal-container.active {
      display: flex;
    }

    /* Modal Content */
    .modal-content {
      background: var(--card-bg);
      border-radius: 20px;
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
      border: 1px solid var(--border);
      min-width: 1200px;
      width: 1200px;
      display: flex;
      flex-direction: column;
      animation: slideUp 0.3s ease;
      position: relative;
    }

    .modal-content.large {
      max-width: 900px;
    }

    .modal-content.small {
      max-width: 400px;
    }

    /* Modal Header */
    .modal-header {
      padding: 1.5rem 2rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-shrink: 0;
      position: relative;
    }

    .modal-header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient);
      border-radius: 20px 20px 0 0;
    }

    .modal-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .modal-close {
      width: 2rem;
      height: 2rem;
      border-radius: 8px;
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1rem;
    }

    .modal-close:hover {
      background: var(--danger);
      border-color: var(--danger);
      color: white;
      transform: rotate(90deg);
    }

    /* Modal Body */
    .modal-body {
      padding: 2rem;
      overflow-y: auto;
      flex: 1;
    }

    .modal-body::-webkit-scrollbar {
      width: 8px;
    }

    .modal-body::-webkit-scrollbar-track {
      background: var(--light);
      border-radius: 4px;
    }

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

    .modal-body::-webkit-scrollbar-thumb:hover {
      background: var(--text-secondary);
    }

    /* Modal Footer */
    .modal-footer {
      padding: 1.5rem 2rem;
      border-top: 1px solid var(--border);
      display: flex;
      justify-content: flex-end;
      gap: 1rem;
      flex-shrink: 0;
      background: var(--light);
      border-radius: 0 0 20px 20px;
    }

    /* Modal Buttons */
    .modal-btn {
      padding: 0.75rem 1.5rem;
      border-radius: 10px;
      font-weight: 500;
      font-size: 0.875rem;
      cursor: pointer;
      transition: all 0.2s ease;
      border: 2px solid var(--border);
      background: var(--card-bg);
      color: var(--text-primary);
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

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

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

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

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

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

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

    .modal-btn.success:hover {
      background: #059669;
      border-color: #059669;
    }

    .modal-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    /* Loading State */
    .modal-loading {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      padding: 3rem 2rem;
      text-align: center;
      color: var(--text-secondary);
    }

    .modal-spinner {
      width: 3rem;
      height: 3rem;
      border: 3px solid var(--border);
      border-top-color: var(--primary);
      border-radius: 50%;
      animation: spin 1s linear infinite;
      margin-bottom: 1rem;
    }

    /* Success Modal */
    .success-modal .modal-content {
      max-width: 400px;
      text-align: center;
    }

    .success-icon {
      width: 4rem;
      height: 4rem;
      background: rgba(16, 185, 129, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1rem;
      color: var(--success);
      font-size: 2rem;
      animation: scaleIn 0.5s ease;
    }

    .success-message {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .success-details {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    /* Action Buttons in Cards */
    .cert-actions {
      display: flex;
      gap: 0.5rem;
      flex-wrap: wrap;
    }

    .action-icon-btn {
      width: 2rem;
      height: 2rem;
      border-radius: 8px;
      border: 1px solid var(--border);
      background: var(--card-bg);
      color: var(--text-secondary);
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.875rem;
      text-decoration: none;
    }

    .action-icon-btn:hover {
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }

    .action-icon-btn.download {
      color: var(--primary);
      border-color: rgba(59, 130, 246, 0.2);
    }

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

    .action-icon-btn.renew {
      color: var(--success);
      border-color: rgba(16, 185, 129, 0.2);
    }

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

    .action-icon-btn.remove {
      color: var(--danger);
      border-color: rgba(239, 68, 68, 0.2);
    }

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

    .action-icon-btn.info {
      color: var(--warning);
      border-color: rgba(245, 158, 11, 0.2);
    }

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

    /* Form Elements in Modal */
    .modal-form-group {
      margin-bottom: 1.5rem;
    }

    .modal-form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .modal-form-input,
    .modal-form-textarea,
    .modal-form-select {
      width: 100%;
      padding: 0.75rem 1rem;
      border: 2px solid var(--border);
      border-radius: 10px;
      font-size: 0.875rem;
      color: var(--text-primary);
      background: var(--card-bg);
      transition: all 0.2s ease;
      font-family: inherit;
    }

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

    .modal-form-textarea {
      min-height: 120px;
      resize: vertical;
    }

    .modal-form-help {
      font-size: 0.75rem;
      color: var(--text-secondary);
      margin-top: 0.5rem;
    }

    /* Animations */
    @keyframes fadeIn {
      from { opacity: 0; }
      to { opacity: 1; }
    }

    @keyframes slideUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }

    @keyframes scaleIn {
      from {
        transform: scale(0);
      }
      to {
        transform: scale(1);
      }
    }

    @keyframes spin {
      to { transform: rotate(360deg); }
    }
    /* Form Container */
    .form-container {
      background: var(--card-bg);
      border-radius: 16px;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
      overflow: hidden;
      margin-bottom: 2rem;
    }

    .form-container::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: var(--gradient);
    }

    /* Form Steps Indicator */
    .form-steps {
      display: flex;
      justify-content: space-between;
      padding: 2rem 2rem 1rem;
      border-bottom: 1px solid var(--border);
      background: var(--light);
      position: relative;
      overflow-x: auto;
    }

    .form-step {
      flex: 1;
      display: flex;
      flex-direction: column;
      align-items: center;
      gap: 0.5rem;
      position: relative;
      min-width: 120px;
    }

    .form-step::after {
      content: '';
      position: absolute;
      top: 1.5rem;
      left: 50%;
      width: 100%;
      height: 2px;
      background: var(--border);
      z-index: 0;
    }

    .form-step:last-child::after {
      display: none;
    }

    .step-circle {
      width: 3rem;
      height: 3rem;
      border-radius: 50%;
      background: var(--card-bg);
      border: 2px solid var(--border);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      color: var(--text-secondary);
      z-index: 1;
      transition: all 0.3s ease;
    }

    .form-step.active .step-circle {
      background: var(--primary);
      border-color: var(--primary);
      color: white;
      transform: scale(1.1);
    }

    .form-step.completed .step-circle {
      background: var(--success);
      border-color: var(--success);
      color: white;
    }

    .form-step.completed .step-circle i {
      font-size: 1.25rem;
    }

    .step-label {
      font-size: 0.875rem;
      font-weight: 500;
      color: var(--text-secondary);
      text-align: center;
    }

    .form-step.active .step-label {
      color: var(--primary);
      font-weight: 600;
    }

    .form-step.completed .step-label {
      color: var(--success);
    }

    /* Form Content */
    .form-content {
      padding: 2rem;
    }

    .form-section {
      display: none;
    }

    .form-section.active {
      display: block;
      animation: fadeInRight 0.3s ease;
    }

    .form-section-title {
      font-size: 1.25rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.75rem;
    }

    .form-section-description {
      color: var(--text-secondary);
      font-size: 0.875rem;
      margin-bottom: 2rem;
    }

    /* Certificate Type Toggle */
    .cert-type-toggle {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 1rem;
      margin-bottom: 2rem;
    }

    .cert-type-option {
      padding: 2rem;
      border: 2px solid var(--border);
      border-radius: 12px;
      cursor: pointer;
      transition: all 0.2s ease;
      text-align: center;
      background: var(--card-bg);
    }

    .cert-type-option:hover {
      border-color: var(--primary);
      background: rgba(59, 130, 246, 0.02);
      transform: translateY(-2px);
      box-shadow: var(--shadow);
    }

    .cert-type-option.active {
      border-color: var(--primary);
      background: rgba(59, 130, 246, 0.05);
      box-shadow: var(--shadow);
    }

    .cert-type-icon {
      width: 4rem;
      height: 4rem;
      background: rgba(59, 130, 246, 0.1);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1rem;
      color: var(--primary);
      font-size: 1.5rem;
      transition: all 0.2s ease;
    }

    .cert-type-option.active .cert-type-icon {
      background: var(--primary);
      color: white;
    }

    .cert-type-title {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .cert-type-description {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    /* Client Selector */
    .client-selector {
      border: 2px solid var(--border);
      border-radius: 12px;
      overflow: hidden;
    }

    .client-selector-header {
      background: var(--light);
      padding: 1rem 1.5rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .client-search {
      flex: 1;
      min-width: 250px;
      position: relative;
    }

    .client-search input {
      width: 100%;
      padding: 0.5rem 0.75rem 0.5rem 2.5rem;
      border: 2px solid var(--border);
      border-radius: 8px;
      font-size: 0.875rem;
      background: var(--card-bg);
      transition: all 0.2s ease;
    }

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

    .client-search i {
      position: absolute;
      left: 0.875rem;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-secondary);
      font-size: 0.875rem;
    }

    .client-selector-actions {
      display: flex;
      gap: 0.5rem;
    }

    .client-action-btn {
      padding: 0.5rem 1rem;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--card-bg);
      color: var(--text-primary);
      font-size: 0.875rem;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
    }

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

    .client-list {
      max-height: 300px;
      overflow-y: auto;
    }

    .client-list::-webkit-scrollbar {
      width: 8px;
    }

    .client-list::-webkit-scrollbar-track {
      background: var(--light);
    }

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

    .client-item {
      padding: 1rem 1.5rem;
      border-bottom: 1px solid var(--border);
      display: flex;
      align-items: center;
      gap: 1rem;
      cursor: pointer;
      transition: background 0.2s ease;
    }

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

    .client-item:hover {
      background: rgba(59, 130, 246, 0.02);
    }

    .client-item.selected {
      background: rgba(59, 130, 246, 0.05);
    }

    .client-checkbox {
      width: 1.25rem;
      height: 1.25rem;
      border: 2px solid var(--border);
      border-radius: 4px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 0.75rem;
      transition: all 0.2s ease;
      flex-shrink: 0;
    }

    .client-item.selected .client-checkbox {
      background: var(--primary);
      border-color: var(--primary);
    }

    .client-details {
      flex: 1;
      min-width: 0;
    }

    .client-name {
      font-weight: 500;
      color: var(--text-primary);
      margin-bottom: 0.25rem;
    }

    .client-meta {
      font-size: 0.75rem;
      color: var(--text-secondary);
      display: flex;
      gap: 1rem;
      flex-wrap: wrap;
    }

    .selected-count {
      background: var(--primary);
      color: white;
      padding: 0.25rem 0.75rem;
      border-radius: 12px;
      font-size: 0.875rem;
      font-weight: 600;
    }

    /* Input Validation */
    .form-input-wrapper {
      position: relative;
    }

    .form-input.error {
      border-color: var(--danger);
    }

    .form-input.success {
      border-color: var(--success);
    }

    .input-validation-icon {
      position: absolute;
      right: 1rem;
      top: 50%;
      transform: translateY(-50%);
      font-size: 1rem;
    }

    .input-validation-icon.success {
      color: var(--success);
    }

    .input-validation-icon.error {
      color: var(--danger);
    }

    .form-error-message {
      color: var(--danger);
      font-size: 0.75rem;
      margin-top: 0.5rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    /* Preview Card */
    .preview-card {
      background: var(--light);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
      margin-bottom: 1.5rem;
    }

    .preview-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 1.5rem;
    }

    .preview-item {
      display: flex;
      flex-direction: column;
      gap: 0.5rem;
    }

    .preview-label {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--text-secondary);
      text-transform: uppercase;
      letter-spacing: 0.5px;
    }

    .preview-value {
      color: var(--text-primary);
      font-weight: 500;
      word-break: break-all;
    }

    .preview-value.code {
      font-family: 'Monaco', 'Menlo', monospace;
      font-size: 0.875rem;
      background: var(--card-bg);
      padding: 0.5rem;
      border-radius: 6px;
      border: 1px solid var(--border);
    }

    .preview-clients {
      margin-top: 1rem;
    }

    .preview-clients-list {
      display: flex;
      flex-wrap: wrap;
      gap: 0.5rem;
      margin-top: 0.5rem;
    }

    .preview-client-tag {
      background: var(--card-bg);
      border: 1px solid var(--border);
      padding: 0.25rem 0.75rem;
      border-radius: 12px;
      font-size: 0.875rem;
      color: var(--text-primary);
    }

    .preview-client-tag.all-clients {
      background: var(--primary);
      color: white;
      border-color: var(--primary);
      font-weight: 600;
    }

    /* Certificate Details Preview */
    .cert-details-preview {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 1.5rem;
      margin-top: 1.5rem;
    }

    .cert-details-title {
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 1rem;
      display: flex;
      align-items: center;
      gap: 0.5rem;
    }

    .cert-detail-row {
      display: flex;
      padding: 0.75rem 0;
      border-bottom: 1px solid var(--border);
    }

    .cert-detail-row:last-child {
      border-bottom: none;
    }

    .cert-detail-label {
      font-size: 0.875rem;
      color: var(--text-secondary);
      width: 200px;
      flex-shrink: 0;
      font-weight: 500;
    }

    .cert-detail-value {
      font-size: 0.875rem;
      color: var(--text-primary);
      flex: 1;
      word-break: break-all;
      font-family: 'Monaco', 'Menlo', monospace;
    }

    /* Form Navigation Buttons */
    .form-navigation {
      display: flex;
      justify-content: space-between;
      padding: 1.5rem 2rem;
      background: var(--light);
      border-top: 1px solid var(--border);
      gap: 1rem;
    }

    .nav-btn {
      padding: 0.75rem 1.5rem;
      border-radius: 10px;
      font-weight: 500;
      cursor: pointer;
      transition: all 0.2s ease;
      display: flex;
      align-items: center;
      gap: 0.5rem;
      border: 2px solid var(--border);
      background: var(--card-bg);
      color: var(--text-primary);
    }

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

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

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

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

    .nav-btn.success:hover {
      background: #059669;
      border-color: #059669;
    }

    .nav-btn:disabled {
      opacity: 0.5;
      cursor: not-allowed;
      transform: none;
    }

    /* Animations */
    @keyframes fadeInRight {
      from {
        opacity: 0;
        transform: translateX(20px);
      }
      to {
        opacity: 1;
        transform: translateX(0);
      }
    }

    /* Error Modal */
    .error-modal-body {
      padding: 2rem;
      text-align: center;
    }

    .error-icon {
      width: 4rem;
      height: 4rem;
      background: rgba(239, 68, 68, 0.1);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      margin: 0 auto 1rem;
      color: var(--danger);
      font-size: 2rem;
      animation: scaleIn 0.5s ease;
    }

    .error-message {
      font-size: 1.125rem;
      font-weight: 600;
      color: var(--text-primary);
      margin-bottom: 0.5rem;
    }

    .error-details {
      font-size: 0.875rem;
      color: var(--text-secondary);
    }

    .badge {
      display: inline-block;
      padding: .35em .65em;
      font-size: .75em;
      font-weight: 700;
      line-height: 1;
      color: #fff;
      text-align: center;
      white-space: nowrap;
      vertical-align: baseline;
      border-radius: .25rem;
    }

    .bg-success {
      --bs-bg-opacity: 1;
      background-color: rgba(var(--bs-success-rgb),var(--bs-bg-opacity)) !important
    }

    .bg-danger {
      --bs-bg-opacity: 1;
      background-color: rgba(var(--bs-danger-rgb),var(--bs-bg-opacity)) !important
    }

    pre{
      background: #000000;
      background-color: #000000;
      color: #DDDDDD;
      border: 1px solid var(--border);
      border-radius: 6px;
      padding: 6px;
    }