:root {
    --primary: #9bdcdd;
    --primary-light: #9bdcdd;
    --primary-dark: #9bdcdd;
    --secondary: #cbefef;
    --accent: #cbefef;
    --text: #0e4547;
    --text-light: #03383a;
    --background: #fbfcf6;
    --background-alt: #c6e8e9d8;
    --card: #ffffff;
    --shadow: rgba(105, 178, 160, 0.15);
    --transition: all 0.3s ease;
    --error: #e74c3c;
    --success: #2ecc71;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Inter", sans-serif;
    background: var(--background);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Навигация */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.2rem 5%;
    background: #3a8a8d;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 0.8rem 5%;
    background: #00868851;
    backdrop-filter: blur(15px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    --primary: #1a4848;
    --primary-light: #1a4848;
    --primary-dark: #1a4848;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-logo {
    font-family: "Raleway", sans-serif;
    font-weight: 600;
    font-size: 1.8rem;
    color: var(--primary-dark);
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-auth {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.nav-logout {
    display: none;
    align-items: center;
}

.btn {
    padding: 1rem 2rem;
    border-radius: 50px;
    font-family: "Raleway", sans-serif;
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-block;
    text-align: center;
    border: none;
}

.btn-login {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-login:hover {
    background: var(--primary);
    color: #3a8a8d;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-register {
    background: var(--primary);
    color: #179da1;
    border: 2px solid var(--primary);
}

.btn-register:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    color: #3a8a8d;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.btn-info {
    background: #3a8a8d;
    color: white;
    border: 2px solid #3a8a8d;
}

.btn-info:hover {
    background: #46a5a8;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow);
}

.menu-toggle {
    font-size: 1.7rem;
    cursor: pointer;
    color: var(--primary-dark);
    z-index: 1001;
    transition: transform 0.3s ease;
    display: none;
}

.menu-toggle:hover {
    transform: scale(1.1);
}

/* Мобильное меню */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: linear-gradient(135deg, var(--card) 0%, var(--accent) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 5rem;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu .nav-item {
    padding: 1.2rem 2rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.mobile-menu .nav-item:hover {
    background: var(--primary-light);
    color: var(--primary-dark);
    transform: translateX(5px);
}

.mobile-menu .nav-auth {
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
}

.menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Модальные окна */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
    overflow-y: auto; /* Добавлен скроллинг для оверлея */
    padding: 2rem 0; /* Отступы сверху и снизу */
}

.modal {
    background: var(--card);
    padding: 2.5rem;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh; /* Ограничиваем высоту */
    overflow-y: auto; /* Добавлен скроллинг */
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideIn 0.3s ease;
    margin: auto; /* Центрирование при скролле */
}

.modal-wide {
    max-width: 800px;
}

.modal-large {
    max-width: 90vw;
    max-height: 90vh;
    overflow-y: auto;
}

/* Стили для скроллбара в модальных окнах */
.modal::-webkit-scrollbar,
.modal-large::-webkit-scrollbar {
    width: 8px;
}

.modal::-webkit-scrollbar-track,
.modal-large::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.modal::-webkit-scrollbar-thumb,
.modal-large::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
}

.modal::-webkit-scrollbar-thumb:hover,
.modal-large::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: var(--text-light);
    transition: var(--transition);
}

.modal-close:hover {
    color: var(--error);
    transform: scale(1.1);
}

.modal-title {
    font-family: "Raleway", sans-serif;
    font-size: 1.8rem;
    margin-bottom: 2rem;
    color: var(--text);
    text-align: center;
}

/* Формы */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text);
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--card);
    color: var(--text);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(155, 220, 221, 0.1);
}

.form-error {
    color: var(--error);
    font-size: 0.9rem;
    margin-top: 0.5rem;
    display: none;
}

.form-error.show {
    display: block;
}

.form-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.form-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.form-link:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* Уведомления */
.notifications-container {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 20000;
    max-width: 400px;
}

.notification {
    background: var(--card);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--primary);
    animation: slideInRight 0.3s ease;
}

.notification.success {
    border-left-color: var(--success);
}

.notification.error {
    border-left-color: var(--error);
}

/* Загрузка */
.loading-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.9);
    padding: 2rem;
    border-radius: 10px;
    display: none;
    z-index: 15000;
}

.loading-indicator::after {
    content: '';
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: block;
}

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

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(300px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

/* Адаптивность */
@media (max-width: 768px) {
    .navbar {
        padding: 1rem 3%;
    }
    
    .nav-auth {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .modal {
        padding: 1.5rem;
        margin: 1rem;
    }
    
    .notifications-container {
        right: 10px;
        max-width: calc(100% - 20px);
    }
}