/* Стили для страниц авторизации */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    max-width: 1000px;
    width: 100%;
    align-items: start;
}

.auth-card {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    color: #2c3e50;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.auth-header h1 i {
    color: #3498db;
}

.auth-header p {
    color: #7f8c8d;
    font-size: 1.1rem;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #2c3e50;
    font-weight: 600;
    font-size: 0.95rem;
}

.input-group {
    position: relative;
    display: flex;
    align-items: center;
}

.input-group i {
    position: absolute;
    left: 15px;
    color: #7f8c8d;
    z-index: 2;
}

.input-group input {
    width: 100%;
    padding: 15px 15px 15px 45px;
    border: 2px solid #ecf0f1;
    border-radius: 12px;
    font-size: 16px;
    transition: all 0.3s ease;
    background: white;
}

.input-group input:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

.toggle-password {
    position: absolute;
    right: 15px;
    background: none;
    border: none;
    color: #7f8c8d;
    cursor: pointer;
    padding: 5px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.toggle-password:hover {
    color: #3498db;
    background: rgba(52, 152, 219, 0.1);
}

.form-help {
    color: #7f8c8d;
    font-size: 0.85rem;
    margin-top: 5px;
}

.form-options {
    display: flex;
    align-items: center;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    color: #2c3e50;
    font-size: 0.95rem;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border: 2px solid #ecf0f1;
    border-radius: 4px;
    position: relative;
    transition: all 0.3s ease;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: #3498db;
    border-color: #3498db;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 12px;
    font-weight: bold;
}

.btn {
    padding: 15px 30px;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.btn-primary {
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-links {
    text-align: center;
    margin-top: 20px;
}

.auth-links p {
    color: #7f8c8d;
    font-size: 0.95rem;
}

.auth-links a {
    color: #3498db;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.auth-links a:hover {
    color: #2980b9;
}

.auth-features {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 40px;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.auth-features h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.auth-features ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-features li {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1rem;
    padding: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.auth-features li:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.auth-features li i {
    font-size: 1.2rem;
    color: #f39c12;
    min-width: 20px;
}

/* Уведомления */
.notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.notification {
    padding: 15px 20px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    animation: notificationSlideIn 0.3s ease;
    max-width: 300px;
}

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

.notification-success {
    background: linear-gradient(135deg, #27ae60, #2ecc71);
}

.notification-error {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
}

.notification-info {
    background: linear-gradient(135deg, #3498db, #2980b9);
}

/* Адаптивность */
@media (max-width: 768px) {
    .auth-container {
        grid-template-columns: 1fr;
        gap: 20px;
        max-width: 400px;
    }
    
    .auth-card {
        padding: 30px 20px;
    }
    
    .auth-features {
        padding: 30px 20px;
    }
    
    .auth-header h1 {
        font-size: 2rem;
    }
    
    .auth-features h3 {
        font-size: 1.3rem;
    }
    
    .auth-features li {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    body {
        padding: 10px;
    }
    
    .auth-card {
        padding: 20px 15px;
    }
    
    .auth-features {
        padding: 20px 15px;
    }
    
    .auth-header h1 {
        font-size: 1.8rem;
    }
    
    .input-group input {
        padding: 12px 12px 12px 40px;
        font-size: 14px;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 14px;
    }
    
    .notifications {
        left: 10px;
        right: 10px;
    }
    
    .notification {
        max-width: none;
    }
}

/* Анимации загрузки */
.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #3498db;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Валидация форм */
.form-group.error input {
    border-color: #e74c3c;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.form-group.error .form-help {
    color: #e74c3c;
}

.form-group.success input {
    border-color: #27ae60;
    box-shadow: 0 0 0 3px rgba(39, 174, 96, 0.1);
}

/* Дополнительные эффекты */
.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    border-radius: 20px 20px 0 0;
}

.auth-features::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #f39c12, #e67e22);
    border-radius: 20px 20px 0 0;
}