/* css/app-shell.desktop.css — Desktop App Shell B (nav2 / topbar ≥1280)
   Icon-rail (#app-sidebar) — отдельно в style.css (≥768).
   768–1279: rail + mobile bottom-nav; ≥1280: rail + nav2 + desk topbar. */

/* === APP NAV2 (второй сайдбар экранов) ===
   Классы .app-nav2-item — НЕ .nav-item: иначе bottom-nav CSS
   (column / height:100% / скрытый .nav-text) ломает сайдбар. */
#app-nav2 {
    display: none;
    position: fixed;
    left: 88px;
    top: 0;
    bottom: 0;
    width: 200px;
    z-index: 55;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px 10px;
    background: var(--card-bg);
    border-right: 1px solid var(--card-border);
    overflow-x: hidden;
    overflow-y: auto;
}

.app-nav2-label {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 6px 10px 10px;
    flex: 0 0 auto;
}

#app-nav2 .app-nav2-item {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 10px;
    width: 100% !important;
    height: auto !important;
    min-height: 40px;
    max-height: none !important;
    padding: 9px 10px !important;
    margin: 0 !important;
    border: none;
    border-radius: 10px;
    background: transparent;
    color: var(--text-muted) !important;
    cursor: pointer;
    transform: none !important;
    box-shadow: none !important;
    flex: 0 0 auto !important;
}

#app-nav2 .app-nav2-item svg {
    width: 18px !important;
    height: 18px !important;
    flex-shrink: 0;
    stroke-width: 1.5 !important;
    transform: none !important;
}

#app-nav2 .app-nav2-item .app-nav2-text {
    font-size: 13px !important;
    font-weight: 600 !important;
    text-transform: none !important;
    letter-spacing: 0 !important;
    margin: 0 !important;
    opacity: 1 !important;
    height: auto !important;
    overflow: visible !important;
    transform: none !important;
    line-height: 1.25;
    text-align: left;
}

#app-nav2 .app-nav2-item.active {
    color: var(--primary) !important;
    background: color-mix(in srgb, var(--primary) 14%, var(--card-bg)) !important;
    transform: none !important;
}

#app-nav2 .app-nav2-item.active svg {
    transform: none !important;
    stroke-width: 1.75 !important;
}

#app-nav2 .app-nav2-item:hover {
    background: var(--hover-bg);
}

#app-nav2 .app-nav2-item:active {
    transform: none !important;
}

/* === DESK TOPBAR (slim) === */
.app-desk-topbar {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    left: 288px;
    height: 52px;
    z-index: 58;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    background: color-mix(in srgb, var(--card-bg) 92%, transparent);
    border-bottom: 1px solid var(--card-border);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-sizing: border-box;
}

.app-desk-brand-block {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
    flex-shrink: 0;
}

.app-desk-brand-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}

.app-desk-brand-icon.is-logo {
    width: auto;
    max-width: 7.25rem;
    height: 36px;
    padding: 0 6px;
}

.app-desk-brand-shield {
    width: 20px;
    height: 20px;
    color: var(--primary);
}

.app-desk-brand-logo {
    display: block;
    height: 28px;
    width: auto;
    max-width: 108px;
    object-fit: contain;
}

.app-desk-brand-logo.hidden {
    display: none;
}

.app-desk-brand-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 2px;
    min-width: 0;
}

.app-desk-brand {
    font-size: 13px;
    font-weight: 900;
    letter-spacing: -0.02em;
    text-transform: uppercase;
    color: var(--text-main);
    white-space: nowrap;
    line-height: 1.1;
}

.app-desk-brand em {
    font-style: normal;
    color: var(--primary);
    font-weight: 700;
}

.app-desk-dev {
    font-size: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    white-space: nowrap;
    line-height: 1;
}

.app-desk-sync {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.app-desk-spacer { flex: 1; min-width: 8px; }

.app-desk-chip {
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    padding: 6px 10px;
    border-radius: 10px;
    border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--card-bg));
    background: color-mix(in srgb, var(--primary) 14%, var(--card-bg));
    color: var(--primary);
    white-space: nowrap;
}

.app-desk-user {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
}

.app-desk-avatar {
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: linear-gradient(135deg, var(--primary), var(--primary));
    color: #fff;
    display: grid;
    place-items: center;
    font-size: 11px;
    font-weight: 800;
    flex-shrink: 0;
}

@media (min-width: 1280px) {
    /* Shell B: bottom-nav скрыт; экраны модуля — в #app-nav2 */
    #main-bottom-nav.bottom-nav {
        display: none !important;
    }

    #app-nav2:not([hidden]) {
        display: flex;
    }

    body.has-app-nav2 #app-desk-topbar:not([hidden]) {
        display: flex;
    }

    body.has-app-sidebar.has-app-nav2 .header-fixed {
        left: 288px;
    }

    body.has-app-nav2.nav-pos-auto .header-fixed,
    body.has-app-nav2.nav-pos-top .header-fixed {
        top: 0;
    }

    body.has-app-nav2.has-desk-topbar.nav-pos-auto .header-fixed,
    body.has-app-nav2.has-desk-topbar.nav-pos-top .header-fixed {
        top: 52px;
    }

    body.has-app-sidebar.has-app-nav2 {
        box-sizing: border-box;
        padding-left: 288px;
    }

    /* Рабочая область на всю ширину (не mobile max-w-4xl) */
    body.has-app-nav2 #app-root {
        max-width: none;
        width: 100%;
        padding-bottom: 1.5rem;
    }

    body.has-desk-topbar #app-root {
        padding-top: 0;
    }

    body.has-app-nav2 #header-inner {
        max-width: none;
    }
}

/* Theme surfaces for desktop shell */
body.has-desk-topbar,
body.has-app-nav2 {
    background: var(--bg-main);
    color: var(--text-main);
}

body.has-desk-topbar #app-root,
body.has-app-nav2 #app-root {
    background: transparent;
    color: var(--text-main);
}