/* Основные стили */
body {
    font-family: 'Roboto', sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Стили для навигации */
.navbar {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    background: linear-gradient(to right, #3a7bd5, #3a6073);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.5px;
}

.nav-link {
    font-weight: 500;
    transition: all 0.3s ease;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    margin: 0 0.25rem;
}

.nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.nav-link.active {
    font-weight: 700;
    background-color: rgba(255, 255, 255, 0.15);
}

/* Стили для карточек */
.card {
    border-radius: 0.75rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 1.5rem;
    border: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.card-header {
    border-top-left-radius: 0.75rem !important;
    border-top-right-radius: 0.75rem !important;
    font-weight: 600;
    padding: 1rem 1.25rem;
    background: #f8f9fa;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.card-body {
    padding: 1.5rem;
}

/* Стили для форм */
.form-control, .form-select {
    border-radius: 8px;
    padding: 0.625rem 1rem;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.form-control:focus, .form-select:focus {
    box-shadow: 0 0 0 0.25rem rgba(59, 130, 246, 0.25);
    border-color: #3b82f6;
}

.form-label {
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #4a5568;
}

.form-text {
    color: #718096;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.input-group-text {
    border-radius: 0 8px 8px 0;
    background-color: #f8f9fa;
}

.invalid-feedback {
    font-size: 0.825rem;
    margin-top: 0.25rem;
}

/* Стили для кнопок */
.btn {
    border-radius: 8px;
    font-weight: 500;
    padding: 0.625rem 1.25rem;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
}

.btn:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255, 255, 255, 0.5);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1, 1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus:not(:active)::after {
    animation: ripple 1s ease-out;
}

@keyframes ripple {
    0% {
        transform: scale(0, 0);
        opacity: 0.5;
    }
    20% {
        transform: scale(25, 25);
        opacity: 0.3;
    }
    100% {
        opacity: 0;
        transform: scale(40, 40);
    }
}

.btn-primary {
    background: linear-gradient(45deg, #4a6cf7, #3b82f6);
    border: none;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(45deg, #3b82f6, #2563eb);
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(1px);
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.4);
}

.btn-light {
    background: #ffffff;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.btn-light:hover {
    background: #f8fafc;
    border-color: #cbd5e1;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
}

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

.rounded-pill {
    border-radius: 50rem !important;
}

/* Стили для таблиц */
.table {
    border-collapse: separate;
    border-spacing: 0;
    border-radius: 8px;
    overflow: hidden;
}

.table th {
    font-weight: 600;
    background-color: #f1f5f9;
    padding: 1rem;
    vertical-align: middle;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
}

.table tbody tr {
    transition: all 0.2s ease;
}

.table tbody tr:hover {
    background-color: #f8fafc;
}

/* Стили для пагинации */
.pagination {
    gap: 0.25rem;
}

.pagination .page-link {
    color: #3b82f6;
    border-radius: 8px;
    padding: 0.5rem 0.75rem;
    transition: all 0.3s ease;
}

.pagination .page-item.active .page-link {
    background-color: #3b82f6;
    border-color: #3b82f6;
    box-shadow: 0 2px 5px rgba(59, 130, 246, 0.3);
}

/* Стили для подвала */
.footer {
    border-top: 1px solid #e2e8f0;
    padding: 2rem 0;
    background-color: #ffffff;
}

/* Стили для уведомлений */
.alert {
    border-radius: 8px;
    border: none;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 1.25rem;
}

.alert-success {
    background-color: #ecfdf5;
    color: #047857;
}

.alert-danger {
    background-color: #fef2f2;
    color: #b91c1c;
}

.alert-warning {
    background-color: #fffbeb;
    color: #b45309;
}

/* Стили для статусных индикаторов */
.bg-success {
    background-color: #10b981 !important;
}

.bg-danger {
    background-color: #ef4444 !important;
}

.bg-warning {
    background-color: #f59e0b !important;
}

.bg-primary {
    background: linear-gradient(45deg, #4a6cf7, #3b82f6) !important;
}

/* Стили для навигационных вкладок */
.nav-pills .nav-link {
    color: #64748b;
    background-color: #f8fafc;
    margin: 0 0.25rem;
    transition: all 0.3s ease;
    border-radius: 8px;
}

.nav-pills .nav-link.active {
    background: linear-gradient(45deg, #4a6cf7, #3b82f6);
    color: #ffffff;
    box-shadow: 0 4px 10px rgba(59, 130, 246, 0.3);
    transform: translateY(-2px);
}

.nav-pills .nav-link:hover:not(.active) {
    background-color: #e2e8f0;
    transform: translateY(-2px);
}

/* Стили для переключателей */
.form-switch .form-check-input {
    width: 2.75em;
    height: 1.5em;
    margin-right: 8px;
}

.form-check-input:checked {
    background-color: #3b82f6;
    border-color: #3b82f6;
}

.form-check-label {
    font-weight: 500;
    padding-left: 4px;
    line-height: normal;
}

.form-check.form-switch {
    padding-left: 2.5em;
    margin-bottom: 1rem;
    display: block;
}

/* Анимации */
.fade-in {
    animation: fadeIn 0.5s ease-in;
}

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

/* Адаптивные стили */
@media (max-width: 992px) {
    .nav-pills .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.9rem;
    }
    
    .card-header h4, .card-header h5 {
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .card-title {
        font-size: 1.2rem;
    }
    
    .table-responsive {
        font-size: 0.875rem;
    }
    
    .nav-pills {
        flex-direction: column;
        width: 100%;
    }
    
    .nav-pills .nav-item {
        margin: 0.25rem 0;
        width: 100%;
    }
    
    .nav-pills .nav-link {
        width: 100%;
        text-align: center;
        margin: 0;
    }
    
    .card-header {
        flex-direction: column;
        text-align: center;
    }
    
    .card-header .btn {
        margin-top: 0.75rem;
    }
    
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (max-width: 576px) {
    .row {
        margin-left: -0.5rem;
        margin-right: -0.5rem;
    }
    
    [class*="col-"] {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
}