:root {
    --index-bg: #f0f3f8;
    --index-surface: #fff;
    --index-border: #e4e9f2;
    --index-text: #1a2233;
    --index-muted: #6b7a90;
    --index-accent: #6d5ef7;
    --index-accent-soft: #f0edff;
    --index-green: #22a06b;
    --index-red: #e5484d;
    --index-radius: 14px;
    --index-shadow: 0 8px 30px rgba(26, 34, 51, 0.06);
    --index-header-h: 58px;
}

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

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

html,
body.index-page {
    min-height: 100%;
}

body.index-page {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background: var(--index-bg);
    color: var(--index-text);
    min-height: 100dvh;
    line-height: 1.5;
}

.index-site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    height: var(--index-header-h);
    padding: 0 20px;
    background: #fff;
    border-bottom: 1px solid var(--index-border);
}

.index-site-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--index-text);
    flex-shrink: 0;
}

.index-site-brand__icon {
    font-size: 22px;
    color: var(--index-accent);
}

.index-site-brand__text {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.index-site-brand__text span { color: var(--index-accent); }

.index-site-header .site-topnav {
    flex: 1;
    min-width: 0;
}

.index-site-header .lang-switcher {
    flex-shrink: 0;
    display: flex;
    gap: 4px;
    padding: 3px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--index-border);
}

.lang-btn {
    min-width: 36px;
    padding: 5px 10px;
    border: none;
    border-radius: 999px;
    background: transparent;
    color: #475569;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    line-height: 1.2;
}

.lang-btn:hover { background: #f1f5f9; }

.lang-btn.active {
    background: var(--index-accent);
    color: #fff;
}

.index-shell {
    max-width: 1080px;
    margin: 0 auto;
    padding: 28px 16px 48px;
}

.index-layout {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.index-hero-card,
.index-panel {
    background: var(--index-surface);
    border: 1px solid var(--index-border);
    border-radius: var(--index-radius);
    box-shadow: var(--index-shadow);
}

.index-hero-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(200px, 280px);
    gap: 28px;
    align-items: center;
    padding: 28px 30px;
}

.index-hero__badge {
    display: inline-block;
    margin: 0 0 12px;
    padding: 5px 11px;
    border-radius: 999px;
    background: var(--index-accent-soft);
    color: var(--index-accent);
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.index-hero__title {
    margin: 0 0 12px;
    font-size: clamp(1.55rem, 3.2vw, 2.15rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.025em;
    color: var(--index-text);
}

.index-hero__lead {
    margin: 0 0 20px;
    max-width: 36rem;
    font-size: 1rem;
    line-height: 1.65;
    color: var(--index-muted);
}

.index-quick-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.index-quick-nav__item {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 14px;
    border-radius: 10px;
    border: 1px solid var(--index-border);
    background: #f8fafc;
    color: var(--index-text);
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.index-quick-nav__item:hover {
    background: #fff;
    border-color: var(--index-accent);
    color: var(--index-accent);
}

.index-quick-nav__item--primary {
    background: var(--index-accent-soft);
    border-color: #ddd6fe;
    color: var(--index-accent);
}

.index-hero__media {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.index-hero__img {
    width: 100%;
    max-width: 280px;
    height: auto;
    display: block;
    object-fit: contain;
    filter: drop-shadow(0 12px 24px rgba(26, 34, 51, 0.15));
}

.index-action-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    align-items: center;
    padding: 18px 22px;
    background: var(--index-surface);
    border: 1px solid var(--index-border);
    border-radius: var(--index-radius);
    box-shadow: var(--index-shadow);
}

.index-status {
    min-width: 0;
}

.index-status.is-loading .index-status__content {
    display: none;
}

.index-status.is-loading .index-status__loading {
    display: flex;
}

.index-status__loading {
    display: none;
    align-items: center;
    gap: 12px;
    color: var(--index-muted);
    font-size: 14px;
    font-weight: 600;
}

.viewer-spinner {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    border: 2px solid var(--index-border);
    border-top-color: var(--index-accent);
    animation: index-spin 0.75s linear infinite;
}

@keyframes index-spin {
    to { transform: rotate(360deg); }
}

.index-status__content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.index-status__main {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #94a3b8;
    flex-shrink: 0;
}

.status-dot.is-online {
    background: var(--index-green);
    box-shadow: 0 0 0 3px rgba(34, 160, 107, 0.22);
}

.status-dot.is-offline {
    background: var(--index-red);
    box-shadow: 0 0 0 3px rgba(229, 72, 77, 0.18);
}

.index-status__label {
    font-size: 1rem;
    font-weight: 700;
    color: var(--index-text);
}

.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.06em;
}

.status-badge.online {
    background: #dcfce7;
    color: #166534;
}

.status-badge.offline {
    background: #fee2e2;
    color: #991b1b;
}

.index-status__queue {
    margin: 0;
    padding-left: 20px;
    font-size: 14px;
    color: var(--index-muted);
}

.index-action-card__buttons {
    display: flex;
    justify-content: flex-end;
}

.index-join {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 11px 18px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    white-space: nowrap;
    transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
    border: none;
    background: linear-gradient(135deg, #6d5ef7 0%, #4f46e5 100%);
    color: #fff;
    box-shadow: 0 8px 22px rgba(109, 94, 247, 0.28);
}

.index-join:hover {
    transform: translateY(-1px);
    box-shadow: 0 12px 26px rgba(109, 94, 247, 0.34);
}

.index-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.index-panel {
    padding: 22px 24px;
}

.index-section-title {
    margin: 0 0 12px;
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--index-text);
}

.index-goal__body p {
    margin: 0;
    font-size: 14px;
    line-height: 1.65;
    color: var(--index-muted);
}

.index-goal__body p + p {
    margin-top: 10px;
}

.index-goal__highlight {
    font-size: 15px !important;
    font-weight: 600;
    line-height: 1.55 !important;
    color: var(--index-text) !important;
}

.index-goal__link {
    display: inline-flex;
    margin-top: 14px;
    font-size: 14px;
    font-weight: 700;
    color: var(--index-accent);
    text-decoration: none;
}

.index-goal__link:hover {
    text-decoration: underline;
}

.index-steps__list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.index-steps__list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 14px;
    line-height: 1.55;
    color: var(--index-muted);
}

.index-steps__list li::before {
    content: counter(step);
    counter-increment: step;
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background: var(--index-accent);
    color: #fff;
    font-size: 12px;
    font-weight: 700;
}

.index-steps-block {
    counter-reset: step;
}

.index-footer {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding: 22px 24px;
    background: var(--index-surface);
    border: 1px solid var(--index-border);
    border-radius: var(--index-radius);
    box-shadow: var(--index-shadow);
}

.index-links {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px 12px;
    font-size: 14px;
}

.index-links a {
    color: var(--index-accent);
    font-weight: 600;
    text-decoration: none;
}

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

.index-links__sep {
    color: #cbd5e1;
    user-select: none;
}

.index-sponsors {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding-top: 4px;
    border-top: 1px solid var(--index-border);
}

.index-sponsors__label {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--index-muted);
}

.index-sponsors__logos {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px 28px;
}

.index-sponsors__logo {
    height: 36px;
    width: auto;
    display: block;
    object-fit: contain;
}

.index-sponsors__link {
    display: inline-flex;
    align-items: center;
    opacity: 0.95;
    transition: opacity 0.15s ease;
}

.index-sponsors__link:hover {
    opacity: 1;
}

@media (max-width: 900px) {
    .index-hero-card {
        grid-template-columns: 1fr;
        padding: 22px 20px;
    }

    .index-hero__media {
        order: -1;
    }

    .index-hero__img {
        max-width: 200px;
    }

    .index-action-card {
        grid-template-columns: 1fr;
    }

    .index-action-card__buttons {
        justify-content: stretch;
    }

    .index-join {
        width: 100%;
    }

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

@media (max-width: 640px) {
    .index-shell {
        padding: 16px 12px 32px;
    }

    .index-panel,
    .index-footer {
        padding: 18px 16px;
    }

    .index-status__queue {
        padding-left: 0;
    }
}