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

:root {
  --primary-color: #667eea;
  --secondary-color: #764ba2;
  --success-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;
  --dark-color: #1f2937;
  --light-color: #f8fafc;
  --border-color: #e2e8f0;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* Body & Layout */
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  color: var(--text-primary);
  line-height: 1.6;
}

/* Header */
header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 2rem;
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 1000;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0;
}

header h1 {
  color: var(--primary-color);
  font-size: 1.8rem;
  font-weight: 700;
  margin: 0;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

header h1 i {
  font-size: 2rem;
  -webkit-text-fill-color: var(--primary-color);
}

nav {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-weight: 500;
  position: relative;
  overflow: hidden;
}

nav a:hover {
  color: var(--primary-color);
  background: rgba(102, 126, 234, 0.1);
  transform: translateY(-1px);
}

nav a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

nav a:hover::before {
  width: 100%;
}

/* Navigation Links */
.nav-link {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.nav-link i {
  font-size: 1.1rem;
  transition: transform 0.3s ease;
}

.nav-link:hover i {
  transform: scale(1.1);
}

/* Container */
.container {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Cards */
.card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

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

/* Login Container */
.login-container {
  width: 100%;
  max-width: 400px;
  margin: 4rem auto;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  animation: slideUp 0.5s ease;
}


.login-container h2 {
  text-align: center;
  color: var(--primary-color);
  margin-bottom: 2rem;
  font-size: 1.8rem;
  font-weight: 700;
}

/* Input Groups */
.input-group {
  position: relative;
  display: block;
}

.input-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  z-index: 2;
  pointer-events: none;
}

.input-group input,
.input-group select {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.5rem !important;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  box-sizing: border-box;
}

.input-group input:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-1px);
}

/* Final override to ensure icon doesn't overlap text */
.input-group input,
.input-group select {
  padding-left: 2.5rem !important;
  width: 100% !important;
  box-sizing: border-box !important;
}

.input-group .input-icon {
  position: absolute !important;
  left: 1rem !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  z-index: 10 !important;
  pointer-events: none !important;
}

/* Search Input Group - Special case for search with button */
.input-group.search-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.input-group.search-group .search-input {
  flex: 1;
  padding-left: 2.5rem;
}

.input-group.search-group .btn {
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: var(--primary-color);
  color: white;
  border: none;
  cursor: pointer;
}

.input-group.search-group .btn:hover {
  background: var(--secondary-color);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
}

/* Reset all input styling */
input[type="text"],
input[type="password"],
input[type="email"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: 0.5rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  box-sizing: border-box;
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="file"]:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-1px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.btn::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 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

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

.btn-success {
  background: linear-gradient(135deg, var(--success-color), #059669);
  color: white;
}

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

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color), #dc2626);
  color: white;
}

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

.btn-info {
  background: linear-gradient(135deg, var(--info-color), #2563eb);
  color: white;
}

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

.btn-warning {
  background: linear-gradient(135deg, var(--warning-color), #d97706);
  color: white;
}

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

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

input[type="submit"] {
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border: none;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

input[type="submit"]:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-radius: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

thead {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
}

th, td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

th {
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
}

tbody tr {
  transition: all 0.3s ease;
}

tbody tr:hover {
  background: rgba(102, 126, 234, 0.05);
  transform: scale(1.01);
}

/* Action Buttons */
.action-container {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.action-btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 500;
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}

.download-btn {
  background: linear-gradient(135deg, var(--success-color), #059669);
  color: white;
}

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

.share-btn {
  background: linear-gradient(135deg, var(--info-color), #2563eb);
  color: white;
}

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

.delete-btn {
  background: linear-gradient(135deg, var(--danger-color), #dc2626);
  color: white;
}

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

/* Flash Messages */
.flashes {
  list-style: none;
  margin-bottom: 2rem;
}

.flashes li {
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border-radius: 0.5rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
}

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

.flashes .success {
  background: linear-gradient(135deg, #d1fae5, #a7f3d0);
  color: #065f46;
  border: 1px solid #6ee7b7;
}

.flashes .danger {
  background: linear-gradient(135deg, #fee2e2, #fecaca);
  color: #991b1b;
  border: 1px solid #f87171;
}

.flashes .warning {
  background: linear-gradient(135deg, #fef3c7, #fde68a);
  color: #92400e;
  border: 1px solid #fbbf24;
}

.flashes .info {
  background: linear-gradient(135deg, #dbeafe, #bfdbfe);
  color: #1e40af;
  border: 1px solid #60a5fa;
}

/* Share Container */
.share-container {
  width: 100%;
  max-width: 500px;
  margin: 4rem auto;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 2.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.share-container h2 {
  margin-bottom: 1.5rem;
  color: var(--primary-color);
  font-size: 1.5rem;
  font-weight: 600;
}

.file-name {
  display: inline-block;
  max-width: 300px;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  vertical-align: middle;
  color: var(--text-secondary);
  font-weight: 500;
}

.download-row {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 1.5rem;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.pagination a, .pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 1rem;
  border: 2px solid var(--border-color);
  text-decoration: none;
  color: var(--text-primary);
  border-radius: 0.5rem;
  transition: all 0.3s ease;
  font-weight: 500;
  min-width: 2.5rem;
}

.pagination a:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.pagination .active-page,
.pagination .current {
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  color: white;
  border-color: var(--primary-color);
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
  animation: fadeIn 0.3s ease;
}

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

.modal-content {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  margin: 10% auto;
  padding: 2rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  width: 90%;
  max-width: 400px;
  text-align: center;
  border-radius: 1rem;
  box-shadow: var(--shadow-xl);
  animation: slideUp 0.3s ease;
}

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

.close {
  color: var(--text-secondary);
  float: right;
  font-size: 1.5rem;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

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

.share-url {
  word-break: break-all;
  max-width: 100%;
  margin: 1rem auto;
  padding: 1rem;
  background: rgba(102, 126, 234, 0.1);
  border-radius: 0.5rem;
  border: 1px solid rgba(102, 126, 234, 0.2);
}

/* Stats */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1.5rem;
  border-radius: 1rem;
  text-align: center;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

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

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Footer */
footer {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  color: var(--text-secondary);
  padding: 1.5rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
  margin-top: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 1rem;
  }
  
  header {
    padding: 1rem;
  }
  
  header .container {
    flex-direction: column;
    gap: 1rem;
  }
  
  header h1 {
    font-size: 1.5rem;
  }
  
  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
  }
  
  .input-group.search-group {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .input-group.search-group .search-input {
    width: 100%;
  }
  
  .input-group.search-group .btn {
    width: 100%;
    justify-content: center;
  }
  
  .form-actions {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .form-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .card {
    padding: 1.5rem;
  }
  
  .login-container,
  .share-container {
    margin: 2rem auto;
    padding: 1.5rem;
  }
  
  .action-container {
    flex-direction: column;
    gap: 0.5rem;
  }
  
  .stats {
    grid-template-columns: 1fr;
  }
  
  table {
    font-size: 0.9rem;
  }
  
  th, td {
    padding: 0.5rem;
  }
}

@media (max-width: 480px) {
  .modal-content {
    margin: 5% auto;
    width: 95%;
    padding: 1.5rem;
  }
  
  .pagination {
    gap: 0.25rem;
  }
  
  .pagination a, .pagination span {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
  }
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  border-top-color: #fff;
  animation: spin 1s ease-in-out infinite;
}

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

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(102, 126, 234, 0.2);
  border-radius: 4px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 4px;
  transition: width 0.3s ease;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-5 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mt-5 { margin-top: 2rem; }
.d-flex { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }
.gap-5 { gap: 2rem; }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 0.25rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

.badge-secondary {
  background: var(--text-secondary);
  color: white;
}

.badge-success {
  background: var(--success-color);
  color: white;
}

.badge-danger {
  background: var(--danger-color);
  color: white;
}

.badge-warning {
  background: var(--warning-color);
  color: white;
}

.badge-info {
  background: var(--info-color);
  color: white;
}

.badge-light {
  background: #e9ecef;
  color: #495057;
}

/* Form Actions */
.form-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color);
}

.form-actions .btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
}

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

.form-actions .btn-primary:hover {
  background: var(--secondary-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.form-actions .btn-secondary {
  background: var(--text-secondary);
  color: white;
}

.form-actions .btn-secondary:hover {
  background: var(--dark-color);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* ------------------------------------------------------------------ */
/* Bootstrap-compatible grid & utilities (no CDN needed)              */
/* ------------------------------------------------------------------ */

.row {
  display: flex;
  flex-wrap: wrap;
  margin-left: -0.75rem;
  margin-right: -0.75rem;
}

.col-md-1 { flex: 0 0 8.333333%;  max-width: 8.333333%; }
.col-md-2 { flex: 0 0 16.666667%; max-width: 16.666667%; }
.col-md-3 { flex: 0 0 25%;        max-width: 25%; }
.col-md-4 { flex: 0 0 33.333333%; max-width: 33.333333%; }
.col-md-5 { flex: 0 0 41.666667%; max-width: 41.666667%; }
.col-md-6 { flex: 0 0 50%;        max-width: 50%; }
.col-md-7 { flex: 0 0 58.333333%; max-width: 58.333333%; }
.col-md-8 { flex: 0 0 66.666667%; max-width: 66.666667%; }
.col-md-9 { flex: 0 0 75%;        max-width: 75%; }
.col-md-10{ flex: 0 0 83.333333%; max-width: 83.333333%; }
.col-md-11{ flex: 0 0 91.666667%; max-width: 91.666667%; }
.col-md-12{ flex: 0 0 100%;       max-width: 100%; }

.col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5,
.col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10,
.col-md-11, .col-md-12 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
  width: 100%;
}

.col { flex: 1 0 0%; max-width: 100%; padding-left: 0.75rem; padding-right: 0.75rem; }

.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }
.d-inline-block { display: inline-block; }

.flex-column { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-grow-1 { flex-grow: 1; }

.justify-content-start { justify-content: flex-start; }
.justify-content-end { justify-content: flex-end; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.justify-content-around { justify-content: space-around; }
.justify-content-evenly { justify-content: space-evenly; }

.align-items-start { align-items: flex-start; }
.align-items-end { align-items: flex-end; }
.align-items-center { align-items: center; }
.align-items-baseline { align-items: baseline; }
.align-items-stretch { align-items: stretch; }

.align-self-start { align-self: flex-start; }
.align-self-end { align-self: flex-end; }
.align-self-center { align-self: center; }

.text-start { text-align: left; }
.text-center { text-align: center; }
.text-end { text-align: end; }
.text-muted { color: var(--text-secondary); }
.text-secondary { color: var(--text-secondary); }

.w-100 { width: 100%; }
.w-50 { width: 50%; }
.w-25 { width: 25%; }
.w-auto { width: auto; }

.mx-auto { margin-left: auto; margin-right: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.gap-0 { gap: 0; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 1rem; }
.gap-4 { gap: 1.5rem; }

.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }

.form-inline { display: flex; flex-flow: row wrap; align-items: center; }
.table-responsive { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }

@media (max-width: 768px) {
  .col-md-1, .col-md-2, .col-md-3, .col-md-4, .col-md-5,
  .col-md-6, .col-md-7, .col-md-8, .col-md-9, .col-md-10,
  .col-md-11, .col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
  }
}