:root {
    --primary: #1a1a2e;
    --secondary: #EF6B62;
    --secondary-gradient: linear-gradient(135deg, #EF6B62 0%, #d95a52 100%);
    --accent: #F0C442;
    --accent-gradient: linear-gradient(135deg, #F0C442 0%, #E99B63 100%);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --light: #f8fafc;
    --dark: #1e293b;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.15);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: all 0.2s ease;
}

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

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background: #f7fafc;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Контейнеры */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Header */
.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid #e2e8f0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 24px;
    gap: 20px;
    flex-wrap: nowrap;
    position: relative;
}

.logo {
    font-size: 1.25rem;
    font-weight: bold;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
    white-space: nowrap;
}

.logo i {
    color: var(--secondary);
    font-size: 1.5rem;
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text-small {
    font-size: 0.85em;
    opacity: 0.8;
}

.nav-links {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex: 1;
    justify-content: center;
    flex-wrap: nowrap;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    min-width: 0; /* Позволяет flex-элементу сжиматься */
}

/* Уменьшаем размер навигации на средних экранах */
@media (max-width: 1200px) {
    .nav-link {
        padding: 0.5rem 0.75rem;
        font-size: 0.875rem;
    }
    
    .nav-text {
        display: none; /* Скрываем текст, оставляем только иконки */
    }
    
    .nav-link i {
        font-size: 1.1rem;
    }
}

.nav-link {
    color: var(--dark);
    text-decoration: none;
    padding: 0.625rem 1rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    position: relative;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 500;
    white-space: nowrap;
}

.nav-link i {
    font-size: 1rem;
}

.nav-text {
    display: inline;
}

.nav-link:hover {
    background: #f7fafc;
    color: var(--secondary);
}

.nav-link.active {
    background: var(--secondary);
    color: var(--white);
}

.auth-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-shrink: 0;
    white-space: nowrap;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.username {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark);
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 150px;
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    padding: 0.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.username {
    font-weight: 500;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
}

.username-text {
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.btn-compact {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-logout {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

.btn-text {
    display: inline;
}

/* Кнопки */
.btn {
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    white-space: nowrap;
    box-sizing: border-box;
    max-width: 100%;
    word-wrap: break-word;
}

.btn-primary {
    background: var(--secondary);
    color: var(--white);
}

.btn-primary:hover {
    background: #d95a52;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn-outline:hover {
    background: var(--secondary);
    color: var(--white);
}

.btn-secondary {
    background: #e2e8f0;
    color: var(--dark);
}

.btn-secondary:hover {
    background: #cbd5e0;
}

/* Пользовательская информация */
.user-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.username {
    font-weight: 500;
    color: var(--primary);
}

/* Основной контент */
.main-content {
    min-height: calc(100vh - 140px);
    padding: 3rem 0;
}

/* Flash сообщения */
.alert-container {
    position: fixed;
    top: 90px;
    right: 24px;
    z-index: 9999;
    max-width: 420px;
}

.alert {
    padding: 1.25rem 1.5rem;
    margin-bottom: 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: slideIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.alert-success {
    background: var(--success);
    color: var(--white);
    border-left: 4px solid #1e8449;
}

.alert-error {
    background: var(--danger);
    color: var(--white);
    border-left: 4px solid #c0392b;
}

.alert-info {
    background: var(--secondary);
    color: var(--white);
    border-left: 4px solid #2980b9;
}

.alert-warning {
    background: var(--warning);
    color: var(--white);
    border-left: 4px solid #d68910;
}

.close-alert {
    background: transparent;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 0 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 2rem 0;
    margin-top: 3rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    color: #bdc3c7;
}

/* Карточки */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 2rem;
    margin-bottom: 2rem;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

/* Формы */
.form-container {
    max-width: 500px;
    margin: 0 auto;
}

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

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

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #cbd5e0;
    border-radius: var(--radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
    font-family: inherit;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(239, 107, 98, 0.1);
}

.form-control.error {
    border-color: var(--danger);
}

.form-error {
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-requirements {
    background: var(--gray-light);
    border-radius: var(--radius);
    padding: 1rem;
    margin-top: 1.5rem;
}

.form-requirements h4 {
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.form-requirements ul {
    padding-left: 1.5rem;
    color: var(--gray);
}

.form-links {
    text-align: center;
    margin-top: 1rem;
    color: var(--gray);
}

.form-links a {
    color: var(--secondary);
    text-decoration: none;
}

.form-links a:hover {
    text-decoration: underline;
}

/* Утилитарные классы */
.text-center {
    text-align: center;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }
.ml-1 { margin-left: 1rem; }
.mr-1 { margin-right: 1rem; }

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-center {
    justify-content: center;
}

.gap-1 { gap: 1rem; }
.gap-2 { gap: 2rem; }

.w-100 { width: 100%; }

/* Статистика */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.stat-card {
    text-align: center;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid #e2e8f0;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 2rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--gray);
    font-size: 0.875rem;
}

/* Сетка музеев */
.museums-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.museum-card {
    background: var(--white);
    border: 1px solid #e2e8f0;
    padding: 1.5rem;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    box-shadow: var(--shadow);
    cursor: pointer;
}

.museum-card:hover {
    border-color: var(--secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.museum-name {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--dark);
}

.museum-location {
    color: var(--gray);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Профиль */
.profile-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-top: 1rem;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    font-weight: bold;
}

.profile-info h2 {
    margin-bottom: 0.25rem;
}

.profile-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

/* Страницы ошибок */
.error-page {
    text-align: center;
    padding: 4rem 2rem;
}

.error-code {
    font-size: 6rem;
    font-weight: bold;
    color: var(--danger);
    line-height: 1;
}

.error-message {
    font-size: 1.5rem;
    margin: 1rem 0 2rem;
    color: var(--dark);
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
}

/* Адаптивность */
@media (max-width: 1024px) {
    .nav-text {
        display: none;
    }
    
    .nav-link {
        padding: 0.5rem;
        min-width: 40px;
        justify-content: center;
    }
    
    .username-text {
        display: none;
    }
    
    .btn-text {
        display: none;
    }
    
    .btn-compact,
    .btn-logout {
        padding: 0.5rem;
        min-width: 40px;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0.75rem 16px;
        gap: 12px;
        flex-wrap: nowrap;
    }
    
    .logo {
        font-size: 1.1rem;
        flex-shrink: 1;
        min-width: 0;
    }
    
    .logo-text-small {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
        flex-shrink: 0;
        order: 3;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: var(--shadow-md);
        flex-direction: column;
        gap: 0;
        padding: 0.5rem 0;
        border-top: 1px solid #e0e0e0;
        z-index: 1000;
        max-height: calc(100vh - 70px);
        overflow-y: auto;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
        padding: 0.875rem 1.25rem;
        border-radius: 0;
    }
    
    .nav-text {
        display: inline;
    }
    
    .auth-buttons {
        order: 2;
        flex-shrink: 0;
        gap: 0.5rem;
    }
    
    .username {
        max-width: 100px;
    }
    
    .username-text {
        display: none;
    }
    
    .btn-text {
        display: none;
    }
    
    .btn-compact,
    .btn-logout {
        padding: 0.5rem;
        min-width: 40px;
        justify-content: center;
    }
    
    .user-info {
        gap: 0.25rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .museums-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .profile-header {
        flex-direction: column;
        text-align: center;
    }

    .profile-actions {
        flex-direction: column;
    }

    .error-code {
        font-size: 4rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }
    
    .nav-container {
        padding: 0.625rem 12px;
        gap: 8px;
    }
    
    .logo {
        font-size: 0.95rem;
        min-width: 0;
        flex-shrink: 1;
    }
    
    .logo-text {
        font-size: 0.9rem;
    }
    
    .logo-text-small {
        display: none;
    }
    
    .logo i {
        font-size: 1.25rem;
        flex-shrink: 0;
    }
    
    .btn {
        padding: 0.625rem 0.875rem;
        font-size: 0.875rem;
    }
    
    .btn-compact,
    .btn-logout {
        padding: 0.5rem;
        min-width: 36px;
        font-size: 0.875rem;
    }
    
    .auth-buttons {
        gap: 0.375rem;
    }
    
    .username {
        max-width: 80px;
    }
    
    .mobile-menu-toggle {
        padding: 0.375rem;
        font-size: 1.25rem;
        flex-shrink: 0;
    }
    
    .card {
        padding: 1.25rem;
    }
    
    .museum-card {
        padding: 1rem;
    }
    
    .form-container {
        padding: 1rem;
    }
    
    .error-code {
        font-size: 3rem;
    }
    
    .error-message {
        font-size: 1.25rem;
    }
    
    .error-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .error-actions .btn {
        width: 100%;
    }
    
    .museums-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    
    .profile-actions {
        flex-direction: column;
    }
    
    .profile-actions .btn {
        width: 100%;
    }
    
    .btn {
        width: auto;
        max-width: 100%;
    }
    
    .btn-compact,
    .btn-logout {
        width: auto;
    }
}