/* Каталог тренажёров (хаб) — палитра Института Тренинга */

#skill-chat-landing {
    display: none;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    font-family: var(--it-font, 'OpenSansLight', Verdana, sans-serif);
    font-size: var(--it-fs-page, 18px);
    line-height: var(--it-lh-page, 1.6);
    color: var(--it-muted, #585858);
    box-sizing: border-box;
}

#skill-chat-landing h1 {
    color: var(--it-ink, #111);
    margin-bottom: 8px;
    font-size: var(--it-fs-page-title, 28px);
    line-height: var(--it-lh-title, 1.4);
    font-family: var(--it-font-display, 'Noto Sans Display Condensed', 'Segoe UI', sans-serif);
    font-weight: 700;
}

#skill-chat-landing .landing-lead {
    color: var(--it-muted, #585858);
    font-size: var(--it-fs-page, 18px);
    line-height: var(--it-lh-page, 1.6);
    margin: 0 0 24px;
}

#skill-chat-landing h2.landing-sub {
    color: var(--it-ink, #111);
    font-size: var(--it-fs-section, 22px);
    line-height: var(--it-lh-title, 1.4);
    margin: 28px 0 16px;
    border-bottom: 1px solid var(--it-line, #e6e1d8);
    padding-bottom: 8px;
    font-family: var(--it-font-display, 'Noto Sans Display Condensed', 'Segoe UI', sans-serif);
    font-weight: 600;
}

#skill-chat-landing .landing-block--dev {
    margin-bottom: 36px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--it-line, #e6e1d8);
}

#skill-chat-landing .landing-block--dev h2.landing-sub {
    margin-top: 4px;
    margin-bottom: 8px;
    border-bottom: none;
    padding-bottom: 0;
}

#skill-chat-landing .landing-category-hint {
    color: var(--it-muted, #585858);
    font-size: var(--it-fs-text, 17px);
    line-height: var(--it-lh-text, 1.4);
    margin: 0 0 16px;
    max-width: 42rem;
}

#skill-chat-landing .landing-diag-disclaimer {
    margin: -4px 0 16px;
    padding: 12px 14px;
    border-left: 3px solid var(--it-btn, #ff9600);
    background: var(--it-surface, #f7f5f2);
    font-size: var(--it-fs, 14px);
    line-height: 1.5;
    color: var(--it-muted, #585858);
    max-width: 42rem;
}

#skill-chat-landing .landing-block--skills h2.landing-sub {
    margin-top: 12px;
}

#skill-chat-landing .exercises {
    display: grid;
    gap: 20px;
}

#skill-chat-landing .exercise-card {
    background: var(--it-paper, #fff);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid var(--it-line, #e6e1d8);
    position: relative;
    transition: transform 0.2s, box-shadow 0.2s;
}

#skill-chat-landing .exercise-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(13, 13, 13, 0.08);
}

#skill-chat-landing .exercise-card h2 {
    color: var(--it-ink, #111);
    margin: 0 0 10px;
    font-size: var(--it-fs-title, 26px);
    line-height: var(--it-lh-title, 1.4);
    font-family: var(--it-font-display, 'Noto Sans Display Condensed', 'Segoe UI', sans-serif);
    font-weight: 600;
}

#skill-chat-landing .exercise-card p {
    color: var(--it-muted, #585858);
    font-size: var(--it-fs-text, 17px);
    line-height: var(--it-lh-text, 1.4);
    margin: 0 0 15px;
}

#skill-chat-landing .exercise-card a {
    display: inline-block;
    padding: 8px 16px;
    background: var(--it-btn, #ff9600);
    color: #fff;
    text-decoration: none;
    border: 1px solid var(--it-btn, #ff9600);
    border-radius: var(--it-radius, 8px);
    font-size: var(--it-fs-btn, 17px);
    font-family: var(--it-font-semibold, 'OpenSansSemiBold', Verdana, 'Geneva CY', sans-serif);
    font-weight: normal;
}

#skill-chat-landing .exercise-card a:hover {
    background: #fff;
    color: var(--it-btn, #ff9600);
}

#skill-chat-landing .exercise-card:has(.hub-session-dropdown:not([hidden])) {
    z-index: 40;
    isolation: isolate;
}

#skill-chat-landing .hub-session-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    min-width: 28px;
    height: 28px;
    padding: 0 7px;
    border-radius: 999px;
    border: none;
    background: var(--it-btn, #ff9600);
    color: #fff;
    font-size: var(--it-fs, 14px);
    font-weight: 700;
    cursor: pointer;
    line-height: 28px;
    text-align: center;
    z-index: 3;
}

#skill-chat-landing .exercise-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 14px;
    margin: 0 0 14px;
    font-size: var(--it-fs-text, 17px);
    color: var(--it-meta, #888);
}

body.skill-chat-hub #site-footer,
body.skill-chat-app-open #site-footer {
    display: block;
}

#skill-chat-landing .hub-session-dropdown {
    position: absolute;
    top: 44px;
    right: 8px;
    min-width: 220px;
    max-width: min(320px, 92vw);
    max-height: 280px;
    overflow-y: auto;
    background: var(--it-paper, #fff);
    border: 1px solid var(--it-line, #e6e1d8);
    border-radius: 10px;
    box-shadow: 0 8px 24px rgba(13, 13, 13, 0.1);
    z-index: 50;
    padding: 6px 0;
}

#skill-chat-landing .hub-session-dd-item {
    display: block;
    width: 100%;
    text-align: left;
    padding: 10px 14px;
    border: none;
    background: none;
    font: inherit;
    cursor: pointer;
    color: var(--it-ink, #0d0d0d);
}

#skill-chat-landing .hub-session-dd-item:hover {
    background: var(--it-surface, #f7f5f2);
}

body.skill-chat-hub {
    height: auto !important;
    max-height: none !important;
    min-height: 100vh;
    overflow: visible !important;
    background: var(--it-surface, #f7f5f2) !important;
}

html:has(body.skill-chat-hub) {
    height: auto !important;
    max-height: none !important;
    overflow-x: hidden !important;
    overflow-y: auto !important;
}

body.skill-chat-hub #skill-chat-app {
    display: none !important;
}

body.skill-chat-hub #skill-chat-landing {
    display: block;
    height: auto !important;
    max-height: none !important;
    overflow: visible !important;
    padding-bottom: max(16px, env(safe-area-inset-bottom));
}

body.site-header-padded.skill-chat-hub #skill-chat-landing {
    height: auto !important;
    max-height: none !important;
}