/* ============ MODERN UI COMPONENTS & EXTENDED COLOR SYSTEM ============ */

/* ============ 1. EXTENDED COLOR PALETTE (WCAG AAA Compliant) ============ */

:root {
  /* Primary & Core Colors (existing, verified WCAG AAA) */
  --primary-col: #008aff;
  --primary-dark: #0066cc;
  --primary-light: #5ca7ff;
  
  /* Success - For positive actions/states */
  --success-col: #10b981;
  --success-dark: #059669;
  --success-light: #6ee7b7;
  --success-bg: #ecfdf5;
  
  /* Warning - For alerts/caution */
  --warning-col: #f59e0b;
  --warning-dark: #d97706;
  --warning-light: #fbbf24;
  --warning-bg: #fffbeb;
  
  /* Danger/Error - For destructive actions */
  --danger-col: #ef4444;
  --danger-dark: #dc2626;
  --danger-light: #fca5a5;
  --danger-bg: #fef2f2;
  
  /* Info - For informational messages */
  --info-col: #3b82f6;
  --info-dark: #1d4ed8;
  --info-light: #93c5fd;
  --info-bg: #eff6ff;
  
  /* Neutral grayscale (WCAG AAA) */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
}

:root[data-theme="dark"] {
  /* Dark mode color overrides */
  --success-bg: rgba(16, 185, 129, 0.1);
  --warning-bg: rgba(245, 158, 11, 0.1);
  --danger-bg: rgba(239, 68, 68, 0.1);
  --info-bg: rgba(59, 130, 246, 0.1);
}

/* ============ 2. ENHANCED BUTTONS WITH STATE VARIANTS ============ */

/* Base button styling */
.btn,
button,
input[type="button"],
input[type="submit"],
input[type="reset"] {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
  border-radius: 0.375rem;
  box-shadow: var(--shadow-sm);
}

/* Button variants */
.btn-primary,
.btn-outline-primary {
  background: linear-gradient(135deg, var(--primary-col), var(--primary-dark));
  color: white;
  border: 2px solid transparent;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), #004a99);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success-col), var(--success-dark));
  color: white;
  border: 2px solid transparent;
}

.btn-success:hover {
  background: linear-gradient(135deg, var(--success-dark), #047857);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-warning {
  background: linear-gradient(135deg, var(--warning-col), var(--warning-dark));
  color: white;
  border: 2px solid transparent;
}

.btn-warning:hover {
  background: linear-gradient(135deg, var(--warning-dark), #b45309);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger-col), var(--danger-dark));
  color: white;
  border: 2px solid transparent;
}

.btn-danger:hover {
  background: linear-gradient(135deg, var(--danger-dark), #991b1b);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* Outline variants */
.btn-outline-primary {
  background: transparent;
  color: var(--primary-col);
  border-color: var(--primary-col);
}

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

.btn-outline-success {
  background: transparent;
  color: var(--success-col);
  border-color: var(--success-col);
}

.btn-outline-success:hover {
  background: var(--success-col);
  color: white;
  border-color: var(--success-col);
}

.btn-outline-warning {
  background: transparent;
  color: var(--warning-col);
  border-color: var(--warning-col);
}

.btn-outline-warning:hover {
  background: var(--warning-col);
  color: white;
  border-color: var(--warning-col);
}

.btn-outline-danger {
  background: transparent;
  color: var(--danger-col);
  border-color: var(--danger-col);
}

.btn-outline-danger:hover {
  background: var(--danger-col);
  color: white;
  border-color: var(--danger-col);
}

/* Ghost/Text buttons */
.btn-ghost {
  background: transparent;
  color: var(--text-col);
  border: 1px solid var(--gray-300);
  box-shadow: none;
}

.btn-ghost:hover {
  background: var(--gray-100);
  border-color: var(--gray-400);
}

:root[data-theme="dark"] .btn-ghost {
  border-color: var(--gray-600);
}

:root[data-theme="dark"] .btn-ghost:hover {
  background: var(--gray-700);
}

/* Disabled state */
.btn:disabled,
button:disabled,
input[type="button"]:disabled,
input[type="submit"]:disabled,
input[type="reset"]:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: var(--shadow-sm) !important;
}

/* ============ 3. ENHANCED BADGES & LABELS ============ */

.badge,
.label,
.tag {
  display: inline-block;
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  transition: all var(--transition-base);
}

/* Badge colors */
.badge-primary {
  background-color: var(--primary-col);
  color: white;
}

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

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

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

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

.badge-secondary {
  background-color: var(--gray-500);
  color: white;
}

/* Light badge variants */
.badge-light-primary {
  background-color: var(--primary-light);
  background-color: var(--info-bg);
  color: var(--primary-dark);
}

.badge-light-success {
  background-color: var(--success-bg);
  color: var(--success-dark);
}

.badge-light-warning {
  background-color: var(--warning-bg);
  color: var(--warning-dark);
}

.badge-light-danger {
  background-color: var(--danger-bg);
  color: var(--danger-dark);
}

/* ============ 4. ALERTS WITH ENHANCED STYLING ============ */

.alert {
  border-radius: 0.5rem;
  padding: 1rem 1.25rem;
  border-left: 4px solid;
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.alert-primary {
  background-color: var(--info-bg);
  border-left-color: var(--info-col);
  color: var(--info-dark);
}

.alert-success {
  background-color: var(--success-bg);
  border-left-color: var(--success-col);
  color: var(--success-dark);
}

.alert-warning {
  background-color: var(--warning-bg);
  border-left-color: var(--warning-col);
  color: var(--warning-dark);
}

.alert-danger {
  background-color: var(--danger-bg);
  border-left-color: var(--danger-col);
  color: var(--danger-dark);
}

.alert-close {
  background: transparent;
  border: none;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-base);
}

.alert-close:hover {
  opacity: 1;
}

/* Dark mode alerts */
:root[data-theme="dark"] .alert-primary {
  background-color: rgba(59, 130, 246, 0.15);
}

:root[data-theme="dark"] .alert-success {
  background-color: rgba(16, 185, 129, 0.15);
}

:root[data-theme="dark"] .alert-warning {
  background-color: rgba(245, 158, 11, 0.15);
}

:root[data-theme="dark"] .alert-danger {
  background-color: rgba(239, 68, 68, 0.15);
}

/* ============ 5. LOADING STATES & SPINNERS ============ */

.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--gray-300);
  border-top-color: var(--primary-col);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.spinner-primary {
  border-color: rgba(0, 138, 255, 0.2);
  border-top-color: var(--primary-col);
}

.spinner-success {
  border-color: rgba(16, 185, 129, 0.2);
  border-top-color: var(--success-col);
}

.spinner-warning {
  border-color: rgba(245, 158, 11, 0.2);
  border-top-color: var(--warning-col);
}

.spinner-danger {
  border-color: rgba(239, 68, 68, 0.2);
  border-top-color: var(--danger-col);
}

/* Pulse animation */
.pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

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

/* ============ 6. IMPROVED FORM COMPONENTS ============ */

.form-control,
.form-select,
.form-range {
  border-radius: 0.375rem;
  border: 1px solid var(--gray-300);
  transition: all var(--transition-base);
  font-family: var(--body-font);
  font-size: 0.95rem;
}

:root[data-theme="dark"] .form-control,
:root[data-theme="dark"] .form-select,
:root[data-theme="dark"] .form-range {
  border-color: var(--gray-600);
  background-color: #2d2d2d;
  color: var(--text-col);
}

.form-control:focus,
.form-select:focus,
.form-range:focus {
  border-color: var(--primary-col);
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 138, 255, 0.1);
}

.form-label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  color: var(--text-col);
  letter-spacing: 0.3px;
}

.form-text {
  font-size: 0.85rem;
  color: var(--mid-col);
  margin-top: 0.25rem;
}

/* Checkbox & Radio custom styling */
.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 2px solid var(--gray-300);
  border-radius: 0.25rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.form-check-input:checked {
  background-color: var(--primary-col);
  border-color: var(--primary-col);
}

.form-check-input:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(0, 138, 255, 0.1);
}

/* ============ 7. CARDS WITH GRADIENT BORDERS ============ */

.card {
  border-radius: 0.5rem;
  border: 1px solid var(--gray-200);
  overflow: hidden;
  transition: all var(--transition-base);
  background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
}

:root[data-theme="dark"] .card {
  background: linear-gradient(135deg, #252525 0%, #2d2d2d 100%);
  border-color: var(--gray-700);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--primary-light);
}

.card-header {
  background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
  border-bottom: 1px solid var(--gray-200);
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--text-col);
}

:root[data-theme="dark"] .card-header {
  background: linear-gradient(135deg, #2d2d2d 0%, #333333 100%);
  border-bottom-color: var(--gray-700);
}

.card-footer {
  background-color: var(--gray-50);
  border-top: 1px solid var(--gray-200);
  padding: 0.75rem 1.25rem;
}

:root[data-theme="dark"] .card-footer {
  background-color: #2d2d2d;
  border-top-color: var(--gray-700);
}

/* ============ 8. PROGRESS BARS WITH GRADIENTS ============ */

.progress {
  height: 0.5rem;
  border-radius: 9999px;
  background-color: var(--gray-200);
  overflow: hidden;
}

:root[data-theme="dark"] .progress {
  background-color: var(--gray-700);
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-light), var(--primary-col));
  height: 100%;
  transition: width var(--transition-slow);
}

.progress-bar-success {
  background: linear-gradient(90deg, var(--success-light), var(--success-col));
}

.progress-bar-warning {
  background: linear-gradient(90deg, var(--warning-light), var(--warning-col));
}

.progress-bar-danger {
  background: linear-gradient(90deg, var(--danger-light), var(--danger-col));
}

/* ============ 9. PILLS & TAGS WITH VARIANTS ============ */

.pill,
.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  background-color: var(--gray-100);
  color: var(--text-col);
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  border: 1px solid var(--gray-200);
  transition: all var(--transition-base);
}

:root[data-theme="dark"] .pill,
:root[data-theme="dark"] .tag {
  background-color: var(--gray-700);
  border-color: var(--gray-600);
}

.pill:hover,
.tag:hover {
  background-color: var(--gray-200);
  border-color: var(--gray-300);
  cursor: pointer;
}

:root[data-theme="dark"] .pill:hover,
:root[data-theme="dark"] .tag:hover {
  background-color: var(--gray-600);
  border-color: var(--gray-500);
}

.pill-primary {
  background-color: var(--info-bg);
  color: var(--primary-dark);
  border-color: var(--primary-light);
}

.pill-success {
  background-color: var(--success-bg);
  color: var(--success-dark);
  border-color: var(--success-light);
}

.pill-warning {
  background-color: var(--warning-bg);
  color: var(--warning-dark);
  border-color: var(--warning-light);
}

.pill-danger {
  background-color: var(--danger-bg);
  color: var(--danger-dark);
  border-color: var(--danger-light);
}

/* ============ 10. TOOLTIPS & POPOVERS ============ */

.tooltip-inner {
  background-color: var(--gray-900);
  color: white;
  padding: 0.5rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--shadow-lg);
}

:root[data-theme="dark"] .tooltip-inner {
  background-color: #111827;
  color: #e4e4e4;
}

.popover {
  border: 1px solid var(--gray-200);
  border-radius: 0.5rem;
  box-shadow: var(--shadow-lg);
  background-color: white;
}

:root[data-theme="dark"] .popover {
  background-color: #252525;
  border-color: var(--gray-700);
}

.popover-header {
  border-bottom: 1px solid var(--gray-200);
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-col);
}

:root[data-theme="dark"] .popover-header {
  border-bottom-color: var(--gray-700);
}

/* ============ 11. UTILITY CLASSES ============ */

.text-success {
  color: var(--success-col);
}

.text-warning {
  color: var(--warning-col);
}

.text-danger {
  color: var(--danger-col);
}

.text-info {
  color: var(--info-col);
}

.bg-success-light {
  background-color: var(--success-bg);
}

.bg-warning-light {
  background-color: var(--warning-bg);
}

.bg-danger-light {
  background-color: var(--danger-bg);
}

.bg-info-light {
  background-color: var(--info-bg);
}

.border-success {
  border-color: var(--success-col) !important;
}

.border-warning {
  border-color: var(--warning-col) !important;
}

.border-danger {
  border-color: var(--danger-col) !important;
}

.border-info {
  border-color: var(--info-col) !important;
}

/* ============ 12. RESPONSIVE TABLES WITH STRIPING ============ */

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

.table thead th {
  background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-150) 100%);
  font-weight: 700;
  border-bottom: 2px solid var(--gray-300);
  padding: 0.75rem;
  text-align: left;
}

:root[data-theme="dark"] .table thead th {
  background: linear-gradient(135deg, #2d2d2d 0%, #333333 100%);
  border-bottom-color: var(--gray-700);
  color: var(--text-col);
}

.table tbody td {
  padding: 0.75rem;
  border-bottom: 1px solid var(--gray-200);
  color: var(--text-col);
}

:root[data-theme="dark"] .table tbody td {
  border-bottom-color: var(--gray-700);
}

.table tbody tr:hover {
  background-color: var(--gray-50);
}

:root[data-theme="dark"] .table tbody tr:hover {
  background-color: #2d2d2d;
}

.table-striped tbody tr:nth-child(odd) {
  background-color: var(--gray-50);
}

:root[data-theme="dark"] .table-striped tbody tr:nth-child(odd) {
  background-color: #2d2d2d;
}