:root {
    --bg: #0a0c10;
    --surface: #111316;
    --surface-hover: #1a1d24;
    --text: #e5e7eb;
    --text-secondary: #9ca3af;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border: #2a2f3a;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.5);
}


/* Информация о пользователе */
.user-info-card {
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 24px;
    overflow: hidden;
}

.user-info-header {
    background: var(--surface-hover);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border);
}

.user-info-header i {
    color: var(--accent);
    font-size: 20px;
}

.user-info-header span {
    flex: 1;
    font-weight: 500;
    font-size: 16px;
}

.btn-change-user,
.btn-copy-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 8px;
    transition: 0.2s;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-change-user:hover,
.btn-copy-link:hover {
    background: var(--surface);
    color: var(--accent);
}

.user-info-content {
    padding: 20px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.user-info-content div {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 14px;
    padding: 8px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.user-info-content i {
    width: 18px;
    color: var(--accent);
}

.user-info-content code {
    background: var(--surface);
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 12px;
    color: var(--accent);
    border: 1px solid var(--border);
    margin-left: auto;
}

.server-flag {
    font-size: 18px;
    margin-right: 4px;
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    overflow-x: hidden;
    position: relative;
}

/* Canvas для пузырьков */
#bubbleCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
}

.app {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    pointer-events: auto;
}

/* Шапка */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    padding: 16px 20px;
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 16px;
}

.logo i {
    font-size: 32px;
    color: var(--accent);
}

.brand h1 {
    font-size: 24px;
    font-weight: 600;
}

.brand h1 span {
    color: var(--accent);
    font-weight: 300;
}

.brand-sub {
    font-size: 12px;
    color: var(--text-secondary);
    letter-spacing: 1px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Кнопки */
.btn-primary {
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: 0.2s;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
}

.btn-secondary {
    background: var(--surface-hover);
    color: var(--text);
    border: 1px solid var(--border);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-secondary:hover {
    background: var(--surface);
}

.btn-refresh {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border);
    background: var(--surface-hover);
    color: var(--text);
    border-radius: 10px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-refresh:hover {
    background: var(--accent);
    border-color: var(--accent);
}

.btn-copy {
    background: var(--accent);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    cursor: pointer;
    transition: 0.2s;
}

.btn-copy:hover {
    background: var(--accent-hover);
}

/* Статистика */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-item {
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 600;
    color: var(--text);
}

/* Фильтры */
.filters-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
    gap: 20px;
    flex-wrap: wrap;
}

.protocol-filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.protocol-filter {
    padding: 8px 16px;
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: 0.2s;
    font-size: 13px;
}

.protocol-filter i {
    font-size: 12px;
}

.protocol-filter:hover {
    background: var(--surface-hover);
    color: var(--text);
    border-color: var(--accent);
}

.protocol-filter.active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.sort-select {
    padding: 8px 16px;
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text);
    cursor: pointer;
    font-size: 13px;
    outline: none;
}

.sort-select:hover {
    border-color: var(--accent);
}

.sort-select option {
    background: var(--surface);
}

/* Вкладки протоколов */
.protocol-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 16px;
    background: rgba(17, 19, 22, 0.5);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 4px;
    border: 1px solid var(--border);
}

.protocol-tab {
    flex: 1;
    padding: 10px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: 0.2s;
}

.protocol-tab:hover {
    background: var(--surface-hover);
    color: var(--text);
}

.protocol-tab.active {
    background: var(--surface);
    color: var(--accent);
}

/* Рекомендация */
.recommendation-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15) 0%, rgba(37, 99, 235, 0.1) 100%);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 20px;
    margin-bottom: 24px;
}

.rec-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.rec-header i {
    color: #fbbf24;
    font-size: 20px;
}

.rec-header h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.rec-server {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.rec-name {
    font-size: 24px;
    font-weight: 600;
    background: linear-gradient(135deg, #fff, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.rec-ping {
    padding: 6px 12px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 30px;
    color: var(--success);
    font-weight: 500;
}

.rec-protocol {
    padding: 4px 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 30px;
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Контейнер серверов */
.servers-container {
    display: flex;
    flex-direction: column;
    gap: 20px;
    flex: 1;
}

.country-section {
    background: rgba(17, 19, 22, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
}

.country-header {
    padding: 16px 20px;
    background: var(--surface-hover);
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.country-name {
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.country-stats {
    color: var(--text-secondary);
    font-size: 14px;
    display: flex;
    gap: 12px;
}

.protocol-badge {
    padding: 2px 8px;
    background: var(--surface);
    border-radius: 12px;
    color: var(--accent);
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.servers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1px;
    background: var(--border);
}

.server-card {
    background: var(--surface);
    padding: 16px;
    transition: 0.2s;
}

.server-card:hover {
    background: var(--surface-hover);
}

.server-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.server-name {
    font-weight: 500;
    font-size: 15px;
}

.server-ping {
    font-family: monospace;
    font-size: 14px;
    padding: 4px 8px;
    border-radius: 20px;
    background: rgba(0,0,0,0.2);
}

.ping-good {
    color: var(--success);
}

.ping-medium {
    color: var(--warning);
}

.ping-bad {
    color: var(--danger);
}

.server-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-secondary);
}

.server-protocol {
    padding: 2px 8px;
    background: var(--bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.server-host {
    font-family: monospace;
}

.stability-bar {
    display: flex;
    gap: 2px;
    height: 4px;
    margin-top: 8px;
}

.stability-segment {
    flex: 1;
    height: 100%;
    background: var(--border);
    border-radius: 2px;
}

.stability-segment.good {
    background: var(--success);
}

.stability-segment.medium {
    background: var(--warning);
}

.stability-segment.bad {
    background: var(--danger);
}

/* Модальное окно */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 24px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h2 {
    font-size: 20px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.modal-header h2 i {
    color: var(--accent);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 28px;
    cursor: pointer;
    padding: 0 8px;
}

.modal-close:hover {
    color: var(--text);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* QR секция */
.qr-section {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
}

.qr-wrapper {
    width: 180px;
    height: 180px;
    background: white;
    border-radius: 16px;
    padding: 12px;
}

.qr-wrapper img {
    width: 100%;
    height: 100%;
}

.url-section {
    flex: 1;
}

.url-section p {
    margin-bottom: 12px;
    color: var(--text-secondary);
}

.url-box {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.url-box input {
    flex: 1;
    padding: 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: monospace;
    font-size: 14px;
}

.client-tips {
    background: var(--bg);
    border-radius: 12px;
    padding: 16px;
}

.client-tips p {
    margin: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.client-tips i {
    color: var(--success);
}

/* Футер */
footer {
    margin-top: 40px;
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links {
    display: flex;
    gap: 20px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: 0.2s;
}

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

/* Загрузка */
.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Тосты */
.toast-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
}

.toast {
    padding: 12px 20px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s;
}

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

/* Адаптивность */
@media (max-width: 768px) {
    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .filters-bar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .protocol-filters {
        justify-content: center;
    }
    
    .sort-select {
        width: 100%;
    }
    
    header {
        flex-direction: column;
        gap: 15px;
    }
    
    .header-actions {
        width: 100%;
        justify-content: center;
    }
    
    .qr-section {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}