/* ===== CUSTOM BOOTSTRAP STYLES ===== */

/* Переменные для кастомизации */
:root {
    --bs-primary: #6366f1;
    --bs-primary-rgb: 99, 102, 241;
    --bs-primary-dark: #4f46e5;
    --bs-secondary: #8b8b8b;
    --bs-success: #10b981;
    --bs-info: #3b82f6;
    --bs-warning: #f59e0b;
    --bs-danger: #ef4444;
    --bs-light: #f9fafb;
    --bs-dark: #1f2937;
    --bs-border-radius: 0.75rem;
    --bs-border-radius-sm: 0.5rem;
    --bs-border-radius-lg: 1rem;
    --bs-box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --bs-box-shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --bs-box-shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
    --bs-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== GLOBAL STYLES ===== */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f8fafc;
    color: #374151;
    line-height: 1.6;
}

/* ===== BUTTONS ===== */
.btn {
    border-radius: var(--bs-border-radius-sm);
    font-weight: 500;
    padding: 0.5rem 1.25rem;
    transition: var(--bs-transition);
    border: 2px solid transparent;
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    border: none;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--bs-primary-dark) 0%, #4338ca 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.3);
}

.btn-outline-primary {
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.25);
}

.btn-sm {
    padding: 0.375rem 0.875rem;
    font-size: 0.875rem;
}

.btn-lg {
    padding: 0.75rem 1.75rem;
    font-size: 1.125rem;
    border-radius: var(--bs-border-radius);
}

/* ===== CARDS ===== */
.card {
    border: none;
    border-radius: var(--bs-border-radius);
    box-shadow: var(--bs-box-shadow-sm);
    transition: var(--bs-transition);
    overflow: hidden;
    background: white;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--bs-box-shadow-lg);
}

.card-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e2e8f0;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.card-footer {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    padding: 1.25rem 1.5rem;
}

/* Service Cards */
.service-card {
    border: 1px solid #e5e7eb;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
    border-color: var(--bs-primary);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

/* ===== FORMS ===== */
.form-control, .form-select {
    border: 2px solid #e5e7eb;
    border-radius: var(--bs-border-radius-sm);
    padding: 0.625rem 1rem;
    font-size: 0.95rem;
    transition: var(--bs-transition);
    background: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--bs-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: white;
}

.form-control-lg {
    padding: 0.875rem 1.25rem;
    font-size: 1.05rem;
}

.form-control-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.input-group-text {
    background: #f8fafc;
    border: 2px solid #e5e7eb;
    color: #6b7280;
}

/* ===== NAVBAR ===== */
.navbar {
    background: white !important;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid #f0f0f0;
    padding: 0.75rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--bs-primary);
}

.nav-link {
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: var(--bs-border-radius-sm);
    transition: var(--bs-transition);
    color: #4b5563 !important;
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--bs-primary) !important;
}

.nav-link.active {
    background: rgba(99, 102, 241, 0.12);
    color: var(--bs-primary) !important;
    font-weight: 600;
}

/* ===== BADGES ===== */
.badge {
    font-weight: 500;
    padding: 0.35em 0.75em;
    border-radius: 50px;
}

.badge-primary {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
}

.badge-secondary {
    background: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
}

.badge-success {
    background: linear-gradient(135deg, var(--bs-success) 0%, #059669 100%);
}

.badge-warning {
    background: linear-gradient(135deg, var(--bs-warning) 0%, #d97706 100%);
}

/* ===== ALERTS ===== */
.alert {
    border: none;
    border-radius: var(--bs-border-radius);
    padding: 1rem 1.25rem;
    box-shadow: var(--bs-box-shadow-sm);
}

.alert-primary {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(79, 70, 229, 0.1) 100%);
    border-left: 4px solid var(--bs-primary);
    color: var(--bs-primary-dark);
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(5, 150, 105, 0.1) 100%);
    border-left: 4px solid var(--bs-success);
    color: #065f46;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1) 0%, rgba(217, 119, 6, 0.1) 100%);
    border-left: 4px solid var(--bs-warning);
    color: #92400e;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(220, 38, 38, 0.1) 100%);
    border-left: 4px solid var(--bs-danger);
    color: #991b1b;
}

/* ===== MODALS ===== */
.modal-content {
    border: none;
    border-radius: var(--bs-border-radius-lg);
    box-shadow: var(--bs-box-shadow-lg);
}

.modal-header {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-bottom: 1px solid #e2e8f0;
    border-radius: var(--bs-border-radius-lg) var(--bs-border-radius-lg) 0 0;
    padding: 1.5rem;
}

.modal-footer {
    background: #f8fafc;
    border-top: 1px solid #e2e8f0;
    border-radius: 0 0 var(--bs-border-radius-lg) var(--bs-border-radius-lg);
    padding: 1.25rem 1.5rem;
}

/* ===== PAGINATION ===== */
.pagination {
    --bs-pagination-border-radius: var(--bs-border-radius-sm);
    --bs-pagination-active-bg: var(--bs-primary);
    --bs-pagination-active-border-color: var(--bs-primary);
}

.page-link {
    border: 2px solid #e5e7eb;
    margin: 0 0.25rem;
    border-radius: var(--bs-border-radius-sm) !important;
    color: #4b5563;
    font-weight: 500;
    transition: var(--bs-transition);
}

.page-link:hover {
    background-color: rgba(99, 102, 241, 0.08);
    border-color: var(--bs-primary);
    color: var(--bs-primary);
    transform: translateY(-1px);
}

.page-item.active .page-link {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* ===== DROPDOWNS ===== */
.dropdown-menu {
    border: none;
    border-radius: var(--bs-border-radius);
    box-shadow: var(--bs-box-shadow-lg);
    padding: 0.5rem;
    margin-top: 0.5rem;
}

.dropdown-item {
    border-radius: var(--bs-border-radius-sm);
    padding: 0.5rem 1rem;
    transition: var(--bs-transition);
    font-weight: 500;
}

.dropdown-item:hover {
    background: rgba(99, 102, 241, 0.08);
    color: var(--bs-primary);
    transform: translateX(3px);
}

/* ===== LIST GROUPS ===== */
.list-group-item {
    border: 1px solid #e5e7eb;
    padding: 0.875rem 1.25rem;
    transition: var(--bs-transition);
}

.list-group-item:hover {
    background-color: #f8fafc;
    transform: translateX(5px);
}

.list-group-item.active {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.25);
}

/* ===== PROGRESS BARS ===== */
.progress {
    border-radius: 50px;
    background-color: #e5e7eb;
    height: 0.75rem;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    border-radius: 50px;
}

/* ===== TABLES ===== */
.table {
    --bs-table-striped-bg: rgba(99, 102, 241, 0.03);
}

.table-hover tbody tr {
    transition: var(--bs-transition);
}

.table-hover tbody tr:hover {
    background-color: rgba(99, 102, 241, 0.08);
    transform: translateX(3px);
}

/* ===== UTILITY CLASSES ===== */
.shadow-sm {
    box-shadow: var(--bs-box-shadow-sm) !important;
}

.shadow {
    box-shadow: var(--bs-box-shadow) !important;
}

.shadow-lg {
    box-shadow: var(--bs-box-shadow-lg) !important;
}

.rounded-lg {
    border-radius: var(--bs-border-radius) !important;
}

.rounded-xl {
    border-radius: var(--bs-border-radius-lg) !important;
}

/* Hover effects */
.hover-lift {
    transition: transform 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-5px);
}

.hover-scale {
    transition: transform 0.3s ease;
}

.hover-scale:hover {
    transform: scale(1.03);
}

/* Gradient text */
.text-gradient {
    background: linear-gradient(135deg, var(--bs-primary) 0%, var(--bs-primary-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glass effect */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.animate-slide-in {
    animation: slideIn 0.5s ease-out;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    :root {
        --bs-border-radius: 0.5rem;
        --bs-border-radius-sm: 0.375rem;
        --bs-border-radius-lg: 0.75rem;
    }
    
    .card-body {
        padding: 1.25rem;
    }
    
    .btn {
        padding: 0.375rem 1rem;
    }
}