:root {
    --primary-dark: #1C2B54;
    --primary-light: #2B3B5D;
    --accent-blue: #5295FF;
    --text-dark: #3c4e60;
    --text-light: #8190A6;
    --success: #28c76f;
    --warning: #ffc107;
    --danger: #ea5455;
    --bg-light: #f8fafc;
    --white: #ffffff;
}

/* Основные стили */
body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-light);
    color: var(--text-dark);
    line-height: 1.5;
    font-size: 0.875rem;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main {
    flex: 1;
    position: relative;
    z-index: 1;
}

/* Навигационная панель */
.app-navbar {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
    padding: 0.75rem 0;
    position: relative;
    z-index: 2;
}

.app-navbar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, rgba(255,255,255,0.1), transparent 70%);
    pointer-events: none;
}

.navbar-brand {
    color: var(--white);
    font-weight: 600;
    font-size: 1.25rem;
}

.navbar-brand:hover {
    color: var(--white);
}

/* Навигация */
.nav-pills .nav-link {
    color: rgba(255,255,255,0.7);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}

.nav-pills .nav-link.active {
    background: rgba(255,255,255,0.2);
    color: var(--white);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Компоненты */
.card {
    background: var(--white);
    border: none;
    border-radius: 12px;
    box-shadow: 0 4px 24px -1px rgba(0,0,0,0.06);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px -4px rgba(0,0,0,0.1);
}

/* Кнопки */
.btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(255,255,255,0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.btn:hover::after {
    opacity: 1;
}

.btn:active {
    transform: scale(0.98);
}

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

.btn-light {
    background: rgba(255,255,255,0.1);
    border: none;
    color: var(--white);
}

.btn-light:hover {
    background: rgba(255,255,255,0.2);
    color: var(--white);
}

/* Бейджи */
.badge {
    padding: 0.35em 0.65em;
    font-size: 0.75em;
    font-weight: 500;
    border-radius: 6px;
}

.badge.bg-success {
    background: var(--success) !important;
}

.badge.bg-danger {
    background: var(--danger) !important;
}

.badge.bg-primary {
    background: var(--accent-blue) !important;
}

/* Поля ввода */
.form-control {
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.1);
    transition: all 0.3s ease;
}

.form-control:focus {
    border-color: var(--primary-dark);
    box-shadow: 0 0 0 3px rgba(12,27,68,0.15);
}

/* Оповещения */
.alert {
    padding: 1rem;
    border-radius: 12px;
    border: none;
    background: var(--white);
    box-shadow: 0 4px 24px -1px rgba(0,0,0,0.06);
}

/* Система уведомлений */
.toast-container {
    z-index: 1080;
}

.toast {
    background: none;
    border: none;
    padding: 0;
    box-shadow: none;
}

.toast .btn-close-white {
    font-size: 0.75rem;
}

.toast-body {
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Модальные окна */
.modal-backdrop {
    z-index: 1040;
}

.modal {
    z-index: 1050;
}

/* Поддержка темной темы */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-light: #1f273a;
        --text-dark: #f2f8ff;
        --text-light: #a4b3c8;
    }

    body {
        background-color: var(--bg-light);
        color: var(--text-dark);
    }

    .card {
        background: rgba(30,41,59,0.5);
        border-color: rgba(66,133,244,0.1);
    }

    .form-control {
        background-color: rgba(30,41,59,0.8);
        border-color: rgba(66,133,244,0.2);
        color: var(--text-dark);
    }

    .form-control:focus {
        background-color: rgba(30,41,59,0.9);
        border-color: rgba(66,133,244,0.4);
    }

    .alert {
        background: rgba(30,41,59,0.5);
    }
}