/* ═══════════════════════════════════════════════
   shell.css — App Shell / Tools Home (UX-01)
   Только токены из base.css :root. Без параллельного :root.
   ═══════════════════════════════════════════════ */

/* ── Header shell tweaks ── */
.header-nav-link--pin {
    color: var(--text-muted);
    font-weight: 500;
}
.header-nav-link--pin:hover {
    color: var(--text);
}

/* ── Tools Home ── */
.tools-home {
    max-width: 960px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}
.tools-home__header {
    margin-bottom: 28px;
}
.tools-home__title {
    font-size: var(--text-2xl, 1.5rem);
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
    margin-bottom: 6px;
}
.tools-home__subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
}
.tools-home__section-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted);
    margin-bottom: 10px;
}
.tools-home__recent {
    margin-bottom: 20px;
}
.tools-home__recent-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tools-home__recent-link {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-panel);
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-decoration: none !important;
}
.tools-home__recent-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}
.tools-home__pins {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 24px;
}
.tools-home__pins-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.tools-home__search {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 20px;
}
.tools-home__search input[type="search"] {
    flex: 1;
    min-width: 180px;
    padding: 8px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.9rem;
    background: var(--bg-panel);
    color: var(--text);
}
.home-onboard {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    padding: 12px 16px;
    margin-bottom: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--primary-light);
}
.home-onboard__body {
    flex: 1;
    min-width: 200px;
}
.home-onboard__body p {
    margin-top: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}
.tool-card-wrap {
    position: relative;
}
.tool-card__fav {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 2;
    border: none;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    width: 32px;
    height: 32px;
    cursor: pointer;
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1;
}
.tool-card__fav.is-on,
.tool-card__fav:hover {
    color: var(--warning);
    border-color: var(--warning);
    background: var(--warning-light);
}
.tools-home__pin--fav {
    background: var(--warning-light);
    color: var(--warning);
}
.ws-tool-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    padding: 6px 16px 10px;
    margin: 0;
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
}
.ws-tool-hint a {
    color: var(--text-secondary);
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.tools-home__pin {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--radius);
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none !important;
    border: 1px solid transparent;
}
.tools-home__pin:hover {
    border-color: var(--primary);
}
.tools-home__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}
.tools-home__footer {
    margin-top: 36px;
    font-size: 0.85rem;
    color: var(--text-muted);
}
.tools-home__footer a {
    color: var(--text-secondary);
}

/* ── Tool card (shared partial) ── */
.tool-card {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 20px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border);
    background: var(--bg-panel);
    box-shadow: var(--shadow);
    text-decoration: none !important;
    color: inherit;
    transition: border-color 0.15s, box-shadow 0.15s;
    min-height: 168px;
}
a.tool-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}
.tool-card--soon {
    opacity: 0.72;
    cursor: default;
}
.tool-card__icon {
    font-size: 1.5rem;
    line-height: 1;
}
.tool-card__body {
    flex: 1;
}
.tool-card__title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}
.tool-card__blurb {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 10px;
}
.tool-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.tool-card__badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--bg-secondary);
    color: var(--text-muted);
}
.tool-card__badge--muted {
    background: var(--warning-light);
    color: var(--warning);
}
.tool-card__cta {
    align-self: flex-start;
    margin-top: auto;
    padding: 6px 14px;
    border-radius: var(--radius);
    background: var(--primary);
    color: #fff;
    font-size: 0.82rem;
    font-weight: 600;
}
a.tool-card:hover .tool-card__cta {
    background: var(--primary-hover);
}
.tool-card__cta--disabled {
    background: var(--bg-secondary);
    color: var(--text-muted);
}

/* ── Tool chrome (UX-03) ── */
.tool-chrome {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    min-height: 40px;
    padding: 6px 16px;
    margin-top: var(--header-height);
    border-bottom: 1px solid var(--border);
    background: var(--bg-secondary);
    font-size: 0.82rem;
    position: sticky;
    top: var(--header-height);
    z-index: 150;
}
body:has(.tool-chrome) .app-main {
    margin-top: 0;
}
.tool-chrome__home {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-secondary);
    font-weight: 600;
    text-decoration: none !important;
    padding: 4px 8px;
    border-radius: var(--radius);
}
.tool-chrome__home:hover {
    color: var(--primary);
    background: var(--primary-light);
}
.tool-chrome__home-icon {
    font-size: 1rem;
    line-height: 1;
}
.tool-chrome__sep {
    color: var(--text-muted);
}
.tool-chrome__current {
    display: inline-flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px;
}
.tool-chrome__label {
    color: var(--text-muted);
}
.tool-chrome__name {
    color: var(--text);
    font-weight: 700;
}
.tool-chrome__badge {
    display: inline-flex;
    padding: 2px 8px;
    border-radius: var(--radius-sm, 4px);
    font-size: 0.72rem;
    font-weight: 600;
    background: var(--bg-panel);
    border: 1px solid var(--border);
    color: var(--text-muted);
}
.tool-chrome__badge--linked {
    background: var(--primary-light);
    border-color: transparent;
    color: var(--primary);
}
.tool-chrome__badge--standalone {
    background: var(--success-light);
    border-color: transparent;
    color: var(--success);
}
.tool-chrome__slot:empty {
    display: none;
}

/* ── Breadcrumbs + empty state (UX-05) ── */
.tool-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}
.tool-breadcrumbs a {
    color: var(--text-secondary);
    text-decoration: none !important;
}
.tool-breadcrumbs a:hover {
    color: var(--primary);
}
.empty-state {
    text-align: center;
    padding: 40px 24px;
    max-width: 480px;
    margin: 0 auto;
}
.empty-state__icon {
    font-size: 2.75rem;
    margin-bottom: 12px;
    line-height: 1;
}
.empty-state__title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}
.empty-state__text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.45;
    margin-bottom: 20px;
}
.empty-state__cta {
    font-size: 1rem;
    padding: 10px 24px;
}

/* ── Context banner (UX-04) ── */
.tool-context-banner {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px 12px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--primary-light);
    font-size: 0.82rem;
    color: var(--text-secondary);
}
.tool-context-banner__label {
    font-weight: 600;
    color: var(--primary);
}
.tool-context-banner__reset {
    margin-left: auto;
    color: var(--text-muted);
    font-weight: 600;
    text-decoration: none !important;
    padding: 2px 8px;
    border-radius: var(--radius);
}
.tool-context-banner__reset:hover {
    color: var(--danger);
    background: var(--danger-light);
}

.tool-chrome__links {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-left: auto;
}
.tool-chrome__link {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg-panel);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    text-decoration: none !important;
}
.tool-chrome__link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

/* Open-context page */
.tool-open {
    max-width: 520px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}
.tool-open__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.tool-open__sub {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 24px;
}

/* ── AI Team secondary nav (UX-06) ── */
.tool-subnav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin: 0 0 20px;
    padding-bottom: 0;
    border-bottom: 2px solid var(--border);
}
.tool-subnav__link {
    display: inline-flex;
    padding: 10px 12px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-muted);
    text-decoration: none !important;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.tool-subnav__link:hover {
    color: var(--text);
}
.tool-subnav__link.is-active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ── Public utilities bridge (UX-07) ── */
.utilities-bridge {
    max-width: 640px;
    margin: 0 auto;
    padding: 32px 24px 48px;
}
.utilities-bridge__title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
}
.utilities-bridge__text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 20px;
}
.account-bridge-banner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px 16px;
    max-width: 960px;
    margin: 0 auto 20px;
    padding: 12px 16px;
    border: 1px solid var(--hub-accent-border, var(--border));
    border-radius: var(--radius-lg);
    background: var(--bg-panel, #fff);
    font-size: 0.88rem;
    color: var(--text-secondary);
}
.account-bridge-banner__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-left: auto;
}

@media (max-width: 640px) {
    .tools-home {
        padding: 24px 16px 40px;
    }
    .tools-home__grid {
        grid-template-columns: 1fr;
    }
    .tool-chrome {
        padding: 6px 12px;
    }
    .tool-chrome__links {
        margin-left: 0;
        width: 100%;
    }
}