/* login.css - Автономные стили для страницы входа */
:root {
    --login-primary: #5e35b1;
    --login-primary-dark: #4527a0;
    --login-secondary: #7e57c2;
    --login-accent: #b39ddb;
    --login-dark: #263238;
    --login-light: #f5f5f5;
    --login-gray: #757575;
    --login-light-gray: #e0e0e0;
    --login-success: #43a047;
    --login-warning: #ff9800;
    --login-danger: #e53935;
    --login-card-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}

/* Сброс базовых стилей */
.login-page * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', Arial, sans-serif;
}

.login-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-container {
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--login-card-shadow);
    transform: translateY(0);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.login-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.login-header {
    background: var(--login-primary);
    color: white;
    padding: 25px;
    text-align: center;
    position: relative;
}

.login-header h3 {
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.login-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: var(--login-accent);
}

.login-body {
    padding: 30px;
}

.login-alert {
    padding: 12px 15px;
    margin-bottom: 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    background: rgba(229, 57, 53, 0.1);
    color: var(--login-danger);
    border-left: 4px solid var(--login-danger);
}

.login-form-group {
    margin-bottom: 20px;
}

.login-form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--login-dark);
    font-size: 0.9rem;
    font-weight: 500;
}

.login-form-control {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
    border: 1px solid var(--login-light-gray);
    border-radius: 8px;
    transition: all 0.3s;
    background-color: #fafafa;
}

.login-form-control:focus {
    border-color: var(--login-primary);
    outline: none;
    box-shadow: 0 0 0 3px rgba(94, 53, 177, 0.1);
    background-color: white;
}

.login-btn {
    width: 100%;
    padding: 14px;
    background: var(--login-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    margin-top: 10px;
    letter-spacing: 0.5px;
}

.login-btn:hover {
    background: var(--login-primary-dark);
    transform: translateY(-2px);
}

.login-btn:active {
    transform: translateY(0);
}

/* Адаптивность */
@media (max-width: 480px) {
    .login-header {
        padding: 20px;
    }
    
    .login-body {
        padding: 25px;
    }
    
    .login-header h3 {
        font-size: 1.3rem;
    }
}

.return-to-site-container {
    margin-top: 20px;
    text-align: center;
}

/* Стили для самой кнопки */
.return-to-site-btn {
    display: inline-block;
    padding: 10px 20px;
    background-color: #f0f0f0;
    color: #333;
    text-decoration: none;
    border-radius: 4px;
    border: 1px solid #ddd;
    transition: all 0.3s ease;
}

.return-to-site-btn:hover {
    background-color: #e0e0e0;
    border-color: #ccc;
}