/* ============================================
   GLOBAL CONTRAST & DESIGN IMPROVEMENTS
   ============================================ */

/* Enhanced Color Variables with Better Contrast */
:root {
    /* Text Colors - WCAG AA Compliant */
    --text-primary-light: #0f172a;        /* High contrast on white */
    --text-primary-dark: #f9fafb;         /* High contrast on dark */
    --text-secondary-light: #475569;      /* 4.5:1 contrast ratio */
    --text-secondary-dark: #e2e8f0;      /* 4.5:1 contrast ratio */
    --text-tertiary-light: #64748b;       /* 3:1 contrast ratio */
    --text-tertiary-dark: #cbd5e1;       /* 3:1 contrast ratio */
    
    /* Background Colors */
    --bg-primary-light: #ffffff;
    --bg-primary-dark: #0f172a;
    --bg-secondary-light: #f8fafc;
    --bg-secondary-dark: #1e293b;
    --bg-tertiary-light: #f1f5f9;
    --bg-tertiary-dark: #334155;
    
    /* Border Colors - Better Visibility */
    --border-light: #cbd5e1;
    --border-dark: #475569;
    
    /* Shadow with Better Definition */
    --shadow-contrast: 0 2px 8px rgba(0, 0, 0, 0.12);
    --shadow-contrast-lg: 0 4px 16px rgba(0, 0, 0, 0.16);
}

[data-bs-theme="dark"] {
    --text-primary: var(--text-primary-dark);
    --text-secondary: var(--text-secondary-dark);
    --text-tertiary: var(--text-tertiary-dark);
    --bg-primary: var(--bg-primary-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --bg-tertiary: var(--bg-tertiary-dark);
    --border-color: var(--border-dark);
}

/* ============================================
   TEXT CONTRAST IMPROVEMENTS
   ============================================ */

/* Replace all text-muted with better contrast */
.text-muted {
    color: var(--text-secondary-light) !important;
    font-weight: 500 !important;
}

[data-bs-theme="dark"] .text-muted {
    color: var(--text-secondary-dark) !important;
}

/* Small text - ensure minimum contrast */
small,
.small {
    color: var(--text-secondary-light) !important;
    font-weight: 500 !important;
    font-size: 0.875rem !important;
}

[data-bs-theme="dark"] small,
[data-bs-theme="dark"] .small {
    color: var(--text-secondary-dark) !important;
}

/* Secondary text */
.text-secondary {
    color: var(--text-secondary-light) !important;
    font-weight: 500 !important;
}

[data-bs-theme="dark"] .text-secondary {
    color: var(--text-secondary-dark) !important;
}

/* Headings - Ensure strong contrast */
h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary-light) !important;
    font-weight: 700 !important;
}

[data-bs-theme="dark"] h1,
[data-bs-theme="dark"] h2,
[data-bs-theme="dark"] h3,
[data-bs-theme="dark"] h4,
[data-bs-theme="dark"] h5,
[data-bs-theme="dark"] h6 {
    color: var(--text-primary-dark) !important;
}

/* Paragraphs */
p {
    color: var(--text-primary-light) !important;
    line-height: 1.6 !important;
}

[data-bs-theme="dark"] p {
    color: var(--text-primary-dark) !important;
}

/* ============================================
   CARD & CONTAINER IMPROVEMENTS
   ============================================ */

/* All cards - Better borders and shadows */
.card,
.card-modern {
    background: var(--bg-primary-light) !important;
    border: 1px solid var(--border-light) !important;
    box-shadow: var(--shadow-contrast) !important;
    border-radius: 16px !important;
}

[data-bs-theme="dark"] .card,
[data-bs-theme="dark"] .card-modern {
    background: var(--bg-primary-dark) !important;
    border-color: var(--border-dark) !important;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3) !important;
}

/* Card headers - Better contrast */
.card-header,
.card-modern-header {
    background: var(--bg-secondary-light) !important;
    border-bottom: 2px solid var(--border-light) !important;
    padding: 1.25rem 1.5rem !important;
}

[data-bs-theme="dark"] .card-header,
[data-bs-theme="dark"] .card-modern-header {
    background: var(--bg-secondary-dark) !important;
    border-bottom-color: var(--border-dark) !important;
}

.card-header h5,
.card-modern-header h5 {
    color: var(--text-primary-light) !important;
    font-weight: 700 !important;
    font-size: 1.1rem !important;
}

[data-bs-theme="dark"] .card-header h5,
[data-bs-theme="dark"] .card-modern-header h5 {
    color: var(--text-primary-dark) !important;
}

/* Card body */
.card-body,
.card-modern-body {
    padding: 1.5rem !important;
    color: var(--text-primary-light) !important;
}

[data-bs-theme="dark"] .card-body,
[data-bs-theme="dark"] .card-modern-body {
    color: var(--text-primary-dark) !important;
}

/* ============================================
   BUTTON IMPROVEMENTS
   ============================================ */

/* Primary buttons - Better contrast */
.btn-primary {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
    border: none !important;
    color: #ffffff !important;
    font-weight: 600 !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 10px !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
    transition: all 0.3s ease !important;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #4f46e5 0%, #4338ca 100%) !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4) !important;
}

/* Outline buttons - Better visibility */
.btn-outline-primary {
    border: 2px solid #6366f1 !important;
    color: #6366f1 !important;
    background: transparent !important;
    font-weight: 600 !important;
    padding: 0.75rem 1.5rem !important;
    border-radius: 10px !important;
    transition: all 0.3s ease !important;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
    border-color: transparent !important;
    color: #ffffff !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3) !important;
}

/* Secondary buttons */
.btn-secondary {
    background: var(--bg-tertiary-light) !important;
    border: 2px solid var(--border-light) !important;
    color: var(--text-primary-light) !important;
    font-weight: 600 !important;
}

[data-bs-theme="dark"] .btn-secondary {
    background: var(--bg-tertiary-dark) !important;
    border-color: var(--border-dark) !important;
    color: var(--text-primary-dark) !important;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */

/* Form labels - Better contrast */
.form-label {
    color: var(--text-primary-light) !important;
    font-weight: 600 !important;
    margin-bottom: 0.5rem !important;
}

[data-bs-theme="dark"] .form-label {
    color: var(--text-primary-dark) !important;
}

/* Form controls - Better borders */
.form-control,
.form-select {
    border: 2px solid var(--border-light) !important;
    background: var(--bg-primary-light) !important;
    color: var(--text-primary-light) !important;
    padding: 0.75rem 1rem !important;
    border-radius: 10px !important;
    transition: all 0.3s ease !important;
}

[data-bs-theme="dark"] .form-control,
[data-bs-theme="dark"] .form-select {
    border-color: var(--border-dark) !important;
    background: var(--bg-primary-dark) !important;
    color: var(--text-primary-dark) !important;
}

.form-control:focus,
.form-select:focus {
    border-color: #6366f1 !important;
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1) !important;
    outline: none !important;
}

/* ============================================
   BADGES & LABELS
   ============================================ */

/* Badges - Better contrast */
.badge {
    font-weight: 600 !important;
    padding: 0.5rem 0.75rem !important;
    border-radius: 8px !important;
    font-size: 0.875rem !important;
}

.badge.bg-primary {
    background: linear-gradient(135deg, #6366f1 0%, #4f46e5 100%) !important;
    color: #ffffff !important;
}

.badge.bg-success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    color: #ffffff !important;
}

.badge.bg-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
    color: #ffffff !important;
}

.badge.bg-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: #ffffff !important;
}

.badge.bg-info {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    color: #ffffff !important;
}

/* ============================================
   TABLES
   ============================================ */

/* Table headers - Better contrast */
.table thead th {
    background: var(--bg-secondary-light) !important;
    color: var(--text-primary-light) !important;
    font-weight: 700 !important;
    border-bottom: 2px solid var(--border-light) !important;
    padding: 1rem !important;
}

[data-bs-theme="dark"] .table thead th {
    background: var(--bg-secondary-dark) !important;
    color: var(--text-primary-dark) !important;
    border-bottom-color: var(--border-dark) !important;
}

/* Table rows */
.table tbody td {
    color: var(--text-primary-light) !important;
    padding: 1rem !important;
    border-bottom: 1px solid var(--border-light) !important;
}

[data-bs-theme="dark"] .table tbody td {
    color: var(--text-primary-dark) !important;
    border-bottom-color: var(--border-dark) !important;
}

.table tbody tr:hover {
    background: var(--bg-secondary-light) !important;
}

[data-bs-theme="dark"] .table tbody tr:hover {
    background: var(--bg-secondary-dark) !important;
}

/* ============================================
   LINKS
   ============================================ */

/* Links - Better contrast */
a {
    color: #6366f1 !important;
    text-decoration: none !important;
    font-weight: 500 !important;
    transition: all 0.2s ease !important;
}

a:hover {
    color: #4f46e5 !important;
    text-decoration: none !important;
}

/* ============================================
   ALERTS & NOTIFICATIONS
   ============================================ */

.alert {
    border: 2px solid transparent !important;
    border-radius: 12px !important;
    padding: 1rem 1.5rem !important;
    font-weight: 500 !important;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1) !important;
    border-color: #10b981 !important;
    color: #059669 !important;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1) !important;
    border-color: #ef4444 !important;
    color: #dc2626 !important;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    border-color: #f59e0b !important;
    color: #d97706 !important;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1) !important;
    border-color: #3b82f6 !important;
    color: #2563eb !important;
}

[data-bs-theme="dark"] .alert-success {
    background: rgba(16, 185, 129, 0.2) !important;
    color: #34d399 !important;
}

[data-bs-theme="dark"] .alert-danger {
    background: rgba(239, 68, 68, 0.2) !important;
    color: #f87171 !important;
}

[data-bs-theme="dark"] .alert-warning {
    background: rgba(245, 158, 11, 0.2) !important;
    color: #fbbf24 !important;
}

[data-bs-theme="dark"] .alert-info {
    background: rgba(59, 130, 246, 0.2) !important;
    color: #60a5fa !important;
}

/* ============================================
   NAVIGATION
   ============================================ */

/* Nav items - Better contrast */
.nav-link {
    color: var(--text-secondary-light) !important;
    font-weight: 500 !important;
    transition: all 0.2s ease !important;
}

.nav-link:hover,
.nav-link.active {
    color: #6366f1 !important;
    font-weight: 600 !important;
}

[data-bs-theme="dark"] .nav-link {
    color: var(--text-secondary-dark) !important;
}

[data-bs-theme="dark"] .nav-link:hover,
[data-bs-theme="dark"] .nav-link.active {
    color: #818cf8 !important;
}

/* ============================================
   ICONS
   ============================================ */

/* Icons - Better visibility */
i.fas,
i.far,
i.fal,
i.fab {
    opacity: 0.9 !important;
}

/* Icon in buttons */
.btn i {
    opacity: 1 !important;
}

/* ============================================
   EMPTY STATES
   ============================================ */

.empty-state {
    padding: 3rem 2rem !important;
    text-align: center !important;
}

.empty-state i {
    color: var(--text-secondary-light) !important;
    opacity: 0.6 !important;
    font-size: 3rem !important;
    margin-bottom: 1rem !important;
}

[data-bs-theme="dark"] .empty-state i {
    color: var(--text-secondary-dark) !important;
}

.empty-state h4,
.empty-state h5 {
    color: var(--text-primary-light) !important;
    font-weight: 700 !important;
    margin-bottom: 0.75rem !important;
}

[data-bs-theme="dark"] .empty-state h4,
[data-bs-theme="dark"] .empty-state h5 {
    color: var(--text-primary-dark) !important;
}

.empty-state p {
    color: var(--text-secondary-light) !important;
    font-size: 1rem !important;
    margin-bottom: 1.5rem !important;
}

[data-bs-theme="dark"] .empty-state p {
    color: var(--text-secondary-dark) !important;
}

/* ============================================
   RESPONSIVE IMPROVEMENTS
   ============================================ */

@media (max-width: 768px) {
    .card-body,
    .card-modern-body {
        padding: 1rem !important;
    }
    
    .card-header,
    .card-modern-header {
        padding: 1rem 1.25rem !important;
    }
    
    h1 {
        font-size: 1.75rem !important;
    }
    
    h2 {
        font-size: 1.5rem !important;
    }
    
    h3 {
        font-size: 1.25rem !important;
    }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Focus indicators - Better visibility */
*:focus-visible {
    outline: 3px solid #6366f1 !important;
    outline-offset: 2px !important;
    border-radius: 4px !important;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .card,
    .card-modern {
        border: 2px solid currentColor !important;
    }
    
    .btn {
        border: 2px solid currentColor !important;
    }
    
    .text-muted {
        color: currentColor !important;
        opacity: 0.8 !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}