/* Основные стили */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    color: #333;
    background-color: #f5f5f5;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

.main-header {
    background-color: #2c3e50;
    color: white;
    padding: 10px 0;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo h1 {
    margin: 0;
    font-size: 14px;
}

.logo i {
    margin-right: 0.5rem;
    color: #3498db;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav li {
    margin-left: 1.5rem;
}

.main-nav a {
    color: white;
    text-decoration: none;
    transition: color 0.3s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.main-nav a:hover {
    color: #3498db;
}

.main-nav a:hover i {
    transform: scale(1.1);
    transition: transform 0.2s ease;
}

.main-footer {
    background-color: #2c3e50;
    color: white;
    padding: 1rem 0;
    margin-top: 2rem;
}

.main-footer p {
    margin: 0;
    text-align: center;
}

/* Формы */
.login-form {
    max-width: 400px;
    margin: 2rem auto;
    padding: 2rem;
    background: white;
    border-radius: 5px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.login-form h2 {
    margin-top: 0;
    text-align: center;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
}

.form-group input {
    width: -webkit-fill-available;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
}

.btn_login {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: none;
    color: white;
    background-color: steelblue;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s;
    text-decoration: none;
    font-weight: 500;
}

.btn-warning {
    background-color: #f39c12;
    color: white;
}

.btn-danger {
    background-color: #e74c3c;
    color: white;
}

.btn-secondary {
    background-color: #95a5a6;
    color: white;
}

.btn:hover {
    background-color: #2980b9;
}

.error {
    color: #e74c3c;
    padding: 0.5rem;
    margin-bottom: 1rem;
    background-color: #fadbd8;
    border-radius: 4px;
}

/* Адаптивные стили */
@media (max-width: 768px) {
    .main-header .container {
        flex-direction: column;
        text-align: center;
    }
    
    .main-nav {
        display: none;
        width: 100%;
    }
    
    .main-nav ul {
        flex-direction: column;
        margin-top: 1rem;
    }
    
    .main-nav li {
        margin: 0;
        padding: 0.5rem 0;
    }
    
    .mobile-menu-btn {
        display: block;
        background: none;
        border: none;
        color: white;
        font-size: 1rem;
        cursor: pointer;
        padding: 0.5rem;
        margin-bottom: 0.5rem;
    }
}

@media (min-width: 769px) {
    .mobile-menu-btn {
        display: none;
    }
    
    .main-nav {
        display: block !important;
        font-size: 14px;
    }
}