:root {
    --bs-primary-rgb: 13, 110, 253;
}

body {
    padding-bottom: 40px;
    background-color: #f8f9fa;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

/* Navbar */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: relative;
    z-index: 100;
}

.navbar-brand {
    font-size: 1.5rem;
    letter-spacing: 0.5px;
}

@media (max-width: 575.98px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.85) !important;
    transition: all 0.3s ease;
    padding: 0.5rem 0.75rem;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: white !important;
    transform: translateY(-2px);
}

.navbar-dark .navbar-nav .nav-link.active {
    color: white !important;
    font-weight: 600;
}

/* Мобильное меню */
@media (max-width: 991.98px) {
    .navbar-collapse {
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        padding-top: 1rem;
    }
    
    /* Предотвращаем закрытие navbar при клике на dropdown */
    .navbar-collapse[data-bs-auto-close="false"] {
        pointer-events: auto;
    }
    
    .navbar-nav {
        padding-bottom: 1rem;
    }
    
    .navbar-nav .nav-link {
        padding: 0.75rem 1rem;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .navbar-nav .nav-link:last-child {
        border-bottom: none;
    }
    
    /* Dropdown на мобильных - раскрывается внутри navbar */
    .navbar-nav .dropdown {
        position: static;
    }
    
    .navbar-nav .dropdown-menu {
        position: static !important;
        float: none;
        width: 100%;
        margin-top: 0;
        margin-left: 0;
        margin-right: 0;
        background-color: rgba(255,255,255,0.1);
        border: none;
        box-shadow: none;
        display: none;
        padding-left: 1.5rem;
        padding-top: 0;
        padding-bottom: 0.5rem;
    }
    
    .navbar-nav .dropdown-menu.show {
        display: block !important;
    }
    
    .navbar-nav .dropdown-toggle {
        position: relative;
        pointer-events: auto;
    }
    
    .navbar-nav .dropdown-toggle::after {
        float: right;
        margin-top: 0.5rem;
        transition: transform 0.3s ease;
        margin-left: auto;
    }
    
    .navbar-nav .dropdown-toggle[aria-expanded="true"]::after {
        transform: rotate(180deg);
    }
    
    .navbar-nav .dropdown-item {
        color: rgba(255,255,255,0.85) !important;
        padding: 0.75rem 1.5rem;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        padding-left: 2rem;
        white-space: nowrap;
    }
    
    .navbar-nav .dropdown-item:last-child {
        border-bottom: none;
    }
    
    .navbar-nav .dropdown-item:hover,
    .navbar-nav .dropdown-item:focus {
        background-color: rgba(255,255,255,0.15);
        color: white !important;
    }
    
    .navbar-nav .dropdown-header {
        color: rgba(255,255,255,0.6) !important;
        font-size: 0.75rem;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        padding: 0.5rem 1.5rem;
        margin-top: 0.5rem;
        margin-bottom: 0.25rem;
        padding-left: 2rem;
        font-weight: 600;
    }
    
    .navbar-nav .dropdown-divider {
        border-color: rgba(255,255,255,0.1);
        margin: 0.5rem 0;
    }
    
    /* Предотвращаем закрытие navbar при клике на dropdown */
    .navbar-nav .dropdown-toggle:focus {
        outline: none;
    }
}

.dropdown-menu {
    border: none;
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    border-radius: 0.5rem;
}

.dropdown-item {
    transition: all 0.2s ease;
}

.dropdown-item:hover,
.dropdown-item:focus {
    background-color: #f8f9fa;
    color: #0d6efd;
}

/* Cards */
.card {
    border-radius: 10px;
    border: none;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.card-header {
    border-bottom: 2px solid #e9ecef;
    background-color: #f8f9fa;
    border-radius: 10px 10px 0 0 !important;
    font-weight: 600;
    color: #212529;
}

/* Tables */
.table {
    background-color: white;
}

.table thead {
    background-color: #f8f9fa;
    font-weight: 600;
    color: #495057;
    border-bottom: 2px solid #dee2e6;
}

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

.table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Badges */
.badge {
    padding: 0.5rem 0.75rem;
    font-weight: 500;
    border-radius: 0.5rem;
}

/* Buttons */
.btn {
    transition: all 0.3s ease;
    font-weight: 500;
    border-radius: 0.5rem;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0.25rem 0.5rem rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background-color: #0d6efd;
    border-color: #0d6efd;
}

.btn-primary:hover {
    background-color: #0b5ed7;
    border-color: #0b5ed7;
}

/* Forms */
.form-control,
.form-select {
    border-radius: 0.5rem;
    border: 1px solid #dee2e6;
    transition: all 0.3s ease;
}

.form-control:focus,
.form-select:focus {
    border-color: #0d6efd;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25);
}

/* Alerts */
.alert {
    border: none;
    border-radius: 0.5rem;
    border-left: 4px solid;
}

.alert-info {
    border-left-color: #0d6efd;
    background-color: #cfe2ff;
    color: #084298;
}

.alert-success {
    border-left-color: #00ff89;;
    background-color: #d1e7dd;
    color: #0f5132;
}

.alert-danger {
    border-left-color: #dc3545;
    background-color: #f8d7da;
    color: #842029;
}

.alert-warning {
    border-left-color: #ffc107;
    background-color: #fff3cd;
    color: #664d03;
}

/* Container padding */
.container {
    margin-top: 20px;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}