/* Стили для страниц аутентификации */
body {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.auth-card {
    background: white;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    max-width: 400px;
    width: 100%;
}

.auth-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
    padding: 2rem;
}

.auth-header h2 {
    margin: 0;
    font-weight: 300;
    font-size: 2rem;
}

.auth-body {
    padding: 2rem;
}

.form-control {
    border: none;
    border-bottom: 2px solid #eee;
    border-radius: 0;
    padding: 0.75rem 0;
    background: transparent;
    transition: border-color 0.3s ease;
}

.form-control:focus {
    border-bottom-color: #667eea;
    box-shadow: none;
    background: transparent;
}

.form-label {
    font-weight: 500;
    color: #666;
    margin-bottom: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-weight: 500;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
    background: linear-gradient(135deg, #5a6fd8 0%, #6a42a0 100%);
}

.alert {
    border: none;
    border-radius: 10px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: linear-gradient(135deg, #4caf50 0%, #45a049 100%);
    color: white;
}

.alert-danger {
    background: linear-gradient(135deg, #f44336 0%, #e53935 100%);
    color: white;
}

.auth-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.auth-link:hover {
    color: #5a6fd8;
    text-decoration: underline;
}

.form-text {
    color: #999;
    font-size: 0.875rem;
}

/* Анимации */
.auth-card {
    animation: slideIn 0.6s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.form-control {
    animation: fadeInUp 0.6s ease;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Адаптивность */
@media (max-width: 576px) {
    .auth-card {
        margin: 1rem;
        max-width: calc(100% - 2rem);
    }
    
    .auth-header {
        padding: 1.5rem;
    }
    
    .auth-header h2 {
        font-size: 1.75rem;
    }
    
    .auth-body {
        padding: 1.5rem;
    }
}

/* Дополнительные эффекты */
.auth-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="50" cy="50" r="0.5" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.form-floating {
    position: relative;
}

.form-floating > .form-control {
    padding: 1rem 0.75rem 0.5rem 0.75rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0.75rem;
    height: 100%;
    padding: 1rem 0;
    pointer-events: none;
    border: none;
    transform-origin: 0 0;
    transition: opacity 0.1s ease-in-out, transform 0.1s ease-in-out;
}