/* Основные стили */
:root {
    --primary-color: #e75a7c;
    --secondary-color: #6c7ac9;
    --background-gradient-start: #e6eefe;
    --background-gradient-end: #f2e6fe;
    --text-color: #333;
    --light-text: #666;
    --white: #fff;
    --border-radius: 20px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    --button-green: #4CAF50;
    --button-green-hover: #45a049;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Roboto', sans-serif;
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, var(--background-gradient-start), var(--background-gradient-end));
    color: var(--text-color);
    min-height: 100vh;
    line-height: 1.6;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
}

/* Логотип и заголовок */
.logo-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 30px;
}

.logo {
    width: 120px;
    height: auto;
    margin-bottom: 10px;
}

.logo-text {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    background: linear-gradient(to right, var(--secondary-color), var(--primary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
}

/* Контейнер авторизации */
.auth-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.5s ease;
}

/* Табы авторизации */
.auth-tabs {
    display: flex;
    border-bottom: 1px solid #eee;
    margin-bottom: 20px;
}

.tab-btn {
    flex: 1;
    padding: 15px;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--light-text);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom: 2px solid var(--primary-color);
}

.tab-content {
    padding: 20px 0;
}

.tab-content.hidden {
    display: none;
}

/* Выбор пола */
h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 500;
}

.gender-selection {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 30px;
}

.gender-btn {
    flex: 1;
    padding: 15px;
    border-radius: 30px;
    border: 1px solid #ddd;
    background-color: #f0f0f0;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    color: #555;
}

.gender-btn i {
    font-size: 1.2rem;
}

.gender-btn.male.selected {
    background-color: #6c7ac9;
    color: white;
    border-color: #6c7ac9;
    box-shadow: 0 2px 8px rgba(108, 122, 201, 0.4);
}

.gender-btn.female.selected {
    background-color: #e75a7c;
    color: white;
    border-color: #e75a7c;
    box-shadow: 0 2px 8px rgba(231, 90, 124, 0.4);
}

/* Пользовательское соглашение */
.terms-agreement {
    margin-bottom: 30px;
    font-size: 0.9rem;
    color: var(--light-text);
    text-align: center;
}

.terms-link {
    color: var(--primary-color);
    text-decoration: none;
}

.terms-link:hover {
    text-decoration: underline;
}

/* Кнопки */
.btn {
    display: block;
    width: 100%;
    padding: 15px;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: center;
}

.primary-btn {
    background-color: var(--button-green);
    color: white;
    font-weight: 500;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 8px rgba(76, 175, 80, 0.3);
}

.primary-btn:disabled {
    background-color: #ccc;
    cursor: not-allowed;
    box-shadow: none;
}

.primary-btn:not(:disabled):hover {
    background-color: var(--button-green-hover);
    box-shadow: 0 4px 12px rgba(76, 175, 80, 0.4);
}

/* Социальные кнопки */
.social-login {
    margin-top: 30px;
    text-align: center;
}

.social-login p {
    margin-bottom: 15px;
    font-size: 0.9rem;
    color: var(--light-text);
}

.google-btn {
    background-color: #fff;
    color: #333;
    border: 1px solid #ddd;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.google-btn i {
    color: #DB4437;
}

.google-btn:hover {
    background-color: #f9f9f9;
}

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

.content-container {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    margin-bottom: 40px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

/* Секция особенностей */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.feature {
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    text-align: center;
}

.feature i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature p {
    color: var(--light-text);
    line-height: 1.6;
}

/* Футер */
footer {
    text-align: center;
    padding: 20px 0;
    color: var(--light-text);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--light-text);
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Адаптивность */
@media (max-width: 768px) {
    .auth-container {
        padding: 20px;
    }
    
    .gender-selection {
        flex-direction: column;
    }
    
    .features {
        grid-template-columns: 1fr;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 10px;
    }
}

/* Анимации */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-content {
    animation: fadeIn 0.5s ease;
}