/* ============================================
   BABUNOV LAB - Единый файл стилей
   Изменяйте здесь - меняется весь сайт
   ============================================ */

:root {
    /* Основные цвета - меняйте здесь */
    --primary: #0a0f1a;      /* Темный фон */
    --secondary: #ff5e3a;    /* Акцентный цвет (оранжевый) */
    --accent: #2dd4bf;       /* Дополнительный акцент (бирюзовый) */
    --dark: #020617;         /* Самый темный */
    --light: #f8fafc;        /* Светлый текст */
    --gray: #94a3b8;         /* Серый текст */
    --card-bg: #0f172a;      /* Фон карточек */
    --success: #10b981;      /* Зеленый (успех) */
    --warning: #f59e0b;      /* Оранжевый (предупреждение) */
    --danger: #ef4444;       /* Красный (ошибка) */
    
    /* Дополнительные цвета */
    --border-color: rgba(45, 212, 191, 0.2);
    --hover-color: rgba(45, 212, 191, 0.1);
    --gradient: linear-gradient(135deg, var(--secondary), #ff3d1a);
    
    /* Шрифты */
    --font-main: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
    --font-mono: 'Courier New', monospace;
    
    /* Размеры */
    --container-width: 1200px;
    --border-radius: 24px;
    --border-radius-sm: 16px;
    --border-radius-lg: 32px;
    
    /* Тени */
    --shadow-sm: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 25px rgba(0,0,0,0.2);
    --shadow-lg: 0 20px 40px rgba(0,0,0,0.3);
}

/* Базовые стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-main);
    background: var(--primary);
    color: var(--light);
    line-height: 1.5;
}

/* Контейнер */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   Хедер
   ============================================ */
header {
    background: rgba(10, 15, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.logo h1 {
    font-size: 24px;
    font-weight: 800;
}

.logo span {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: var(--light);
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--secondary);
}

/* Кнопка мобильного меню */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--secondary);
    font-size: 24px;
    cursor: pointer;
    transition: all 0.3s;
}

.mobile-menu-btn:hover {
    color: var(--accent);
    transform: scale(1.05);
}

/* Кнопки входа/выхода */
.login-btn, .logout-btn {
    background: var(--gradient);
    color: white;
    padding: 8px 20px;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s;
}

.login-btn:hover, .logout-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 94, 58, 0.3);
}

/* ============================================
   Мобильное меню
   ============================================ */
@media (max-width: 850px) {
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--primary);
        flex-direction: column;
        padding: 20px;
        border-bottom: 1px solid var(--secondary);
        z-index: 99;
        gap: 10px;
        box-shadow: var(--shadow-md);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .nav-links a,
    .nav-links span,
    .nav-links button {
        width: 100%;
        text-align: center;
        padding: 12px;
    }
    
    .nav-links a {
        border-bottom: 1px solid var(--border-color);
    }
    
    .nav-links a:last-child {
        border-bottom: none;
    }
}

/* ============================================
   Выпадающее меню пользователя
   ============================================ */
.user-menu {
    position: relative;
    cursor: pointer;
}

.user-name {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 50px;
    transition: all 0.3s;
}

.user-name:hover {
    background: var(--hover-color);
    color: var(--secondary);
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--card-bg);
    border-radius: var(--border-radius-sm);
    padding: 8px 0;
    min-width: 180px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    z-index: 100;
}

.user-menu:hover .user-dropdown {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 10px 16px;
    color: var(--light);
    text-decoration: none;
    transition: all 0.3s;
}

.user-dropdown a:hover {
    background: var(--hover-color);
    color: var(--accent);
}

/* ============================================
   Кнопки
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

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

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

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

.btn-success {
    background: var(--success);
}

.btn-danger {
    background: var(--danger);
}

.btn-warning {
    background: var(--warning);
}

.btn-sm {
    padding: 5px 12px;
    font-size: 12px;
}

/* ============================================
   Карточки
   ============================================ */
.card {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--secondary);
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    background: rgba(45, 212, 191, 0.05);
}

.card-body {
    padding: 20px 24px;
}

.card-footer {
    padding: 15px 24px;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   Формы
   ============================================ */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--gray);
    font-size: 13px;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--light);
    font-family: inherit;
    transition: all 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(255, 94, 58, 0.1);
}

.form-group input:disabled,
.form-group select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* ============================================
   Таблицы
   ============================================ */
.data-table {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: auto;
    border: 1px solid var(--border-color);
}

.data-table table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th,
.data-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    color: var(--accent);
    font-weight: 600;
}

.data-table tr:hover {
    background: var(--hover-color);
}

/* ============================================
   Загрузка и ошибки
   ============================================ */
.loading {
    text-align: center;
    padding: 50px;
    color: var(--gray);
}

.loading i {
    font-size: 32px;
    margin-bottom: 15px;
}

.error-message {
    text-align: center;
    padding: 40px;
    color: var(--danger);
}

/* ============================================
   Хелперы
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-1 { margin-top: 10px; }
.mt-2 { margin-top: 20px; }
.mt-3 { margin-top: 30px; }
.mb-1 { margin-bottom: 10px; }
.mb-2 { margin-bottom: 20px; }
.mb-3 { margin-bottom: 30px; }

.p-1 { padding: 10px; }
.p-2 { padding: 20px; }
.p-3 { padding: 30px; }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.flex-wrap { flex-wrap: wrap; }
.gap-1 { gap: 10px; }
.gap-2 { gap: 20px; }

/* ============================================
   Адаптивность
   ============================================ */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header-content {
        flex-direction: row;
        justify-content: space-between;
    }
    
    .card-header,
    .card-body,
    .card-footer {
        padding: 15px;
    }
    
    .data-table {
        font-size: 14px;
    }
    
    .data-table th,
    .data-table td {
        padding: 8px 10px;
    }
}

@media (max-width: 480px) {
    .btn {
        padding: 8px 16px;
        font-size: 14px;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 10px 12px;
    }
    
    .logo h1 {
        font-size: 20px;
    }
}

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

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.fade-in {
    animation: fadeIn 0.3s ease;
}

.slide-in {
    animation: slideIn 0.3s ease;
}