/* ES Web Database Management System - Custom Styles */

:root {
  --primary-color: #0d6efd;
  --secondary-color: #6c757d;
  --success-color: #198754;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --info-color: #0dcaf0;
  --dark-color: #212529;
  --light-color: #f8f9fa;
  --sidebar-width: 250px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

/* Login Page Styles */
.login-page {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

.login-page .card {
  border: none;
  border-radius: 15px;
}

.login-page .card-body {
  padding: 3rem;
}

.login-page h2 {
  color: #0d6efd;
  margin-bottom: 0.5rem;
}

.login-page .form-control {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  border: 1px solid #dee2e6;
}

.login-page .form-control:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.25);
}

.login-page .btn-primary {
  padding: 0.75rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.login-page .btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
}

/* Sidebar Styles */
.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  position: fixed;
  top: 0;
  left: 0;
  background-color: #212529;
  overflow-y: auto;
  z-index: 1000;
  box-shadow: 2px 0 5px rgba(0, 0, 0, 0.1);
}

.sidebar-header {
  padding: 1.5rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h4 {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.sidebar .nav-link {
  color: rgba(255, 255, 255, 0.7);
  padding: 0.75rem 1rem;
  margin: 0.25rem 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link.active {
  color: #fff;
  background-color: #0d6efd;
}

.sidebar .nav-link.text-danger:hover {
  background-color: rgba(220, 53, 69, 0.1);
}

/* Main Content Styles */
.main-content {
  margin-left: var(--sidebar-width);
  min-height: 100vh;
  background-color: #f8f9fa;
}

.main-content header {
  position: sticky;
  top: 0;
  z-index: 999;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* Card Styles */
.card {
  border: none;
  border-radius: 10px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.card-header {
  background-color: #fff;
  border-bottom: 1px solid #e9ecef;
  padding: 1rem 1.25rem;
  font-weight: 600;
}

.card-body {
  padding: 1.5rem;
}

/* Table Styles */
.table {
  margin-bottom: 0;
}

.table thead th {
  background-color: #f8f9fa;
  border-bottom: 2px solid #dee2e6;
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
  color: #6c757d;
  padding: 0.75rem;
}

.table tbody tr {
  transition: background-color 0.2s ease;
}

.table tbody tr:hover {
  background-color: #f8f9fa;
}

.table td {
  padding: 0.75rem;
  vertical-align: middle;
}

/* Button Styles */
.btn {
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-weight: 500;
  transition: all 0.3s ease;
  border: none;
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

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

.btn-sm {
  padding: 0.25rem 0.5rem;
  font-size: 0.875rem;
}

/* Form Styles */
.form-label {
  font-weight: 600;
  color: #495057;
  margin-bottom: 0.5rem;
}

.form-control,
.form-select {
  border-radius: 6px;
  border: 1px solid #ced4da;
  padding: 0.5rem 0.75rem;
  transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
  border-color: #0d6efd;
  box-shadow: 0 0 0 0.2rem rgba(13, 110, 253, 0.15);
}

/* Badge Styles */
.badge {
  padding: 0.35rem 0.65rem;
  font-weight: 500;
  border-radius: 4px;
}

/* Alert Styles */
.alert {
  border: none;
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.alert-success {
  background-color: #d1e7dd;
  color: #0f5132;
}

.alert-danger {
  background-color: #f8d7da;
  color: #842029;
}

.alert-warning {
  background-color: #fff3cd;
  color: #664d03;
}

.alert-info {
  background-color: #cff4fc;
  color: #055160;
}

/* Modal Styles */
.modal-content {
  border: none;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
  border-bottom: 1px solid #e9ecef;
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
  color: #212529;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid #e9ecef;
  padding: 1rem 1.5rem;
}

/* Content Section Styles */
.content-section {
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Query Results Styles */
#queryResults {
  max-height: 500px;
  overflow-y: auto;
}

#queryResults .table-responsive {
  border-radius: 6px;
  overflow: hidden;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
  .sidebar {
    width: 100%;
    position: relative;
    min-height: auto;
  }

  .main-content {
    margin-left: 0;
  }

  .sidebar .nav {
    flex-direction: row;
    overflow-x: auto;
  }

  .sidebar .nav-link {
    white-space: nowrap;
  }

  .login-page .card-body {
    padding: 2rem 1.5rem;
  }
}

/* Utility Classes */
.text-truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.shadow-sm {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08) !important;
}

.shadow {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1) !important;
}

.shadow-lg {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15) !important;
}

/* Loading Spinner */
.spinner-border-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.15em;
}

/* Bootstrap Icons (if not using CDN) */
.bi {
  display: inline-block;
  width: 1em;
  height: 1em;
  vertical-align: -0.125em;
}

/* Tab Styles */
.nav-tabs {
  border-bottom: 2px solid #dee2e6;
}

.nav-tabs .nav-link {
  border: none;
  color: #6c757d;
  padding: 0.75rem 1.25rem;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
  color: #0d6efd;
  border-bottom: 2px solid #0d6efd;
}

.nav-tabs .nav-link.active {
  color: #0d6efd;
  background-color: transparent;
  border-bottom: 2px solid #0d6efd;
}

/* List Group Styles */
.list-group-item {
  border: 1px solid #e9ecef;
  padding: 0.75rem 1rem;
  transition: all 0.2s ease;
}

.list-group-item:hover {
  background-color: #f8f9fa;
}

/* Code/SQL Textarea */
textarea.form-control {
  font-family: 'Courier New', Courier, monospace;
  font-size: 0.9rem;
}

/* Success/Error States */
.is-valid {
  border-color: #198754 !important;
}

.is-invalid {
  border-color: #dc3545 !important;
}

/* Print Styles */
@media print {
  .sidebar,
  .btn,
  .modal,
  header {
    display: none !important;
  }

  .main-content {
    margin-left: 0;
  }

  .card {
    box-shadow: none;
    border: 1px solid #dee2e6;
  }
}