/* ===== Переменные ===== */
:root {
    --primary: #004674;
    --primary-dark: #003153;
    --primary-light: #e6f0f7;
    --accent: #54d8a3;
    --accent-dark: #3bb582;
    --gray-bg: #f8f9fa;
    --card-shadow: 0 10px 30px -10px rgba(0,70,116,0.1);
}

/* ===== Общие стили ===== */
body {
    background-color: var(--gray-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    color: #2c3e50;
}

main {
    flex: 1;
}

/* ===== Навбар ===== */
.navbar {
    background: linear-gradient(135deg, var(--primary) 0%, #002b4a 100%) !important;
    box-shadow: 0 4px 15px rgba(0,70,116,0.2);
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: -0.5px;
    font-size: 1.5rem;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255,255,255,0.85);
    transition: color 0.2s;
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: var(--accent);
}

/* ===== Кнопки ===== */
.btn {
    border-radius: 50px;
    padding: 8px 24px;
    font-weight: 500;
    transition: all 0.2s ease;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 5px;
    height: 5px;
    background: rgba(255,255,255,0.3);
    opacity: 0;
    border-radius: 100%;
    transform: scale(1,1) translate(-50%);
    transform-origin: 50% 50%;
}

.btn:focus::after {
    animation: ripple 1s ease-out;
}

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

.btn-primary {
    background-color: var(--primary);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px var(--primary);
}

.btn-outline-primary {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

.btn-outline-primary:hover {
    background-color: var(--primary);
    color: white;
}

.btn-accent {
    background-color: var(--accent);
    color: var(--primary-dark);
}

.btn-accent:hover {
    background-color: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -8px var(--accent);
    color: white;
}

/* ===== Карточки ===== */
.card {
    border-radius: 20px;
    border: none;
    box-shadow: var(--card-shadow);
    transition: transform 0.2s, box-shadow 0.2s;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 35px -10px rgba(0,70,116,0.15);
}

.card-header {
    background-color: white;
    border-bottom: 2px solid var(--primary-light);
    padding: 1.2rem 1.5rem;
    font-weight: 600;
    color: var(--primary);
}

/* ===== Формы ===== */
.form-control, .form-select {
    border-radius: 50px;
    padding: 12px 20px;
    border: 2px solid #e9ecef;
    transition: all 0.2s;
    background-color: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px rgba(84,216,163,0.2);
}

.form-label {
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

/* ===== Таблицы ===== */
.table {
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.table thead th {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: 700;
    border-bottom: none;
    padding: 1rem;
}

.table td {
    padding: 1rem;
    vertical-align: middle;
    border-bottom: 1px solid #edf2f7;
}

.table-hover tbody tr:hover {
    background-color: rgba(84,216,163,0.05);
}

/* ===== Бейджи ===== */
.badge {
    padding: 6px 12px;
    font-weight: 500;
    border-radius: 50px;
}

.badge.bg-success {
    background-color: var(--accent) !important;
    color: #003153;
}

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

/* ===== Ссылки ===== */
a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

a:hover {
    color: var(--accent);
}

/* ===== Пагинация ===== */
.page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

.page-link {
    color: var(--primary);
    border-radius: 50px;
    margin: 0 3px;
    border: none;
    font-weight: 500;
}

.page-link:hover {
    color: var(--accent);
    background-color: var(--primary-light);
}

/* ===== Уведомления ===== */
.alert {
    border-radius: 15px;
    border: none;
    padding: 1rem 1.5rem;
}

.alert-success {
    background-color: #e1f7ed;
    color: #0b543b;
    border-left: 5px solid var(--accent);
}

.alert-info {
    background-color: var(--primary-light);
    color: var(--primary);
    border-left: 5px solid var(--primary);
}

/* ===== Иконки ===== */
.bi {
    vertical-align: middle;
    margin-right: 0.3rem;
}

/* ===== Навигационные вкладки (табы) ===== */
.nav-tabs .nav-link {
    color: var(--primary);
    font-weight: 600;
    border: none;
    padding: 0.8rem 1.5rem;
}

.nav-tabs .nav-link.active {
    color: var(--primary);
    border-bottom: 3px solid var(--accent);
    background-color: transparent;
}

.nav-tabs .nav-link:hover {
    border-bottom: 3px solid var(--primary-light);
}

/* ===== Кнопки действий в списках ===== */
.btn-sm {
    padding: 5px 15px;
    font-size: 0.875rem;
}

/* ===== Адаптивные правки ===== */
@media (max-width: 768px) {
    .btn {
        padding: 8px 16px;
    }
    
    .card {
        margin-bottom: 1rem;
    }
}