/* Shell — sidebar, topbar, activity pill, search row.
 * Specs locked in docs/rebuild/components.md → Shell.
 */

#app {
    display: flex;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

/* ── Sidebar ──────────────────────────────────────────────────────── */

.sidebar {
    width: var(--side-w-expanded);
    flex-shrink: 0;
    background: var(--paper);
    border-right: 1px solid var(--line-faint);
    display: flex;
    flex-direction: column;
    padding: 16px 12px;
    transition: width 0.2s ease, padding 0.2s ease;
}

.sidebar.collapsed {
    width: var(--side-w-collapsed);
    padding: 14px 8px;
}

.sidebar-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 18px;
    padding: 0 4px;
}
.sidebar.collapsed .sidebar-head { padding: 0; }

.logo {
    font-family: var(--display);
    font-size: 17px;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--ink);
}
.logo-accent { color: var(--accent); }

.sidebar.collapsed .logo {
    width: 100%;
    text-align: center;
    color: var(--accent);
}

.sidebar-toggle {
    background: none;
    border: none;
    color: var(--ink-3);
    font-size: 12px;
    line-height: 1;
    padding: 4px;
    border-radius: 4px;
    cursor: pointer;
}
.sidebar-toggle:hover { color: var(--ink-2); }

.sidebar-toggle-collapsed {
    width: 100%;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--ink-3);
    font-size: 12px;
    cursor: pointer;
    margin-bottom: 4px;
    background: none;
    border: none;
}

/* ── Nav items ────────────────────────────────────────────────────── */

.nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 11px;
    padding: 9px 11px;
    border-radius: 8px;
    color: var(--ink-2);
    font-size: 13px;
    font-weight: 450;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    background: transparent;
    border: none;
    width: 100%;
    text-align: left;
    font-family: inherit;
}
.nav-item:hover {
    background: rgba(236, 232, 242, 0.04);
    color: var(--ink);
}

.nav-item.active {
    background: rgba(168, 135, 206, 0.14);
    color: var(--accent);
    font-weight: 600;
}
.nav-item.active::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 9px;
    bottom: 9px;
    width: 2px;
    border-radius: 2px;
    background: var(--accent);
}

.nav-icon {
    width: 14px;
    font-size: 13px;
    text-align: center;
    flex-shrink: 0;
}
.nav-label { flex: 1; }
.nav-count {
    font-family: var(--mono);
    font-size: 10px;
    color: var(--ink-3);
    background: rgba(236, 232, 242, 0.05);
    padding: 1px 6px;
    border-radius: var(--r-pill);
}
.nav-item.active .nav-count {
    color: var(--accent);
    background: rgba(168, 135, 206, 0.14);
}

/* Collapsed nav — icon-only, 40px squares */
.sidebar.collapsed .nav-item {
    padding: 0;
    height: 40px;
    justify-content: center;
}
.sidebar.collapsed .nav-item.active::before { left: -8px; }
.sidebar.collapsed .nav-label,
.sidebar.collapsed .nav-count {
    display: none;
}

.sidebar-spacer { flex: 1; }

/* ── Activity pill ────────────────────────────────────────────────── */

.activity-pill {
    margin-bottom: 10px;
    background: rgba(168, 135, 206, 0.10);
    border: 1px solid rgba(168, 135, 206, 0.30);
    border-radius: 10px;
    padding: 10px 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    text-align: left;
    color: inherit;
}
.activity-pill:hover {
    background: rgba(168, 135, 206, 0.14);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 8px rgba(168, 135, 206, 0.6);
    animation: pulse 1.6s ease-in-out infinite;
    flex-shrink: 0;
    display: inline-block;
}

.activity-pill-body {
    flex: 1;
    min-width: 0;
}
.activity-pill-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--ink);
}
.activity-pill-sub {
    font-size: 10px;
    color: var(--ink-3);
    margin-top: 1px;
}
.activity-pill-chevron {
    color: var(--ink-3);
    font-size: 10px;
}

.sidebar.collapsed .activity-pill {
    flex-direction: column;
    padding: 8px 0;
    border-radius: 8px;
    justify-content: center;
    gap: 4px;
}
.sidebar.collapsed .activity-pill-body,
.sidebar.collapsed .activity-pill-chevron { display: none; }
.sidebar.collapsed .activity-pill::after {
    content: attr(data-count);
    font-size: 9px;
    color: var(--accent);
    font-weight: 600;
    font-family: var(--mono);
}

/* ── API key block (sits above search) ───────────────────────────── */

.apikey-block {
    margin-bottom: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.apikey-row {
    display: flex;
    gap: 6px;
}
.apikey-input {
    flex: 1;
    min-width: 0;
    background: rgba(236, 232, 242, 0.04);
    border: 1px solid var(--line-faint);
    border-radius: 6px;
    color: var(--ink);
    font-family: var(--mono);
    font-size: 11px;
    padding: 6px 8px;
}
.apikey-input:focus {
    outline: none;
    border-color: var(--accent);
}
.apikey-btn {
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 6px 10px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
    font-family: inherit;
}
.apikey-btn:hover { filter: brightness(1.08); }
.apikey-btn[disabled] { opacity: 0.5; cursor: not-allowed; }
.apikey-status {
    font-family: var(--mono);
    font-size: 9px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--ink-3);
    padding: 0 2px;
}
.apikey-status.connected { color: var(--accent); }
.apikey-status.error { color: var(--wine); }

/* Show/hide expanded vs collapsed key entry depending on sidebar state. */
.apikey-collapsed-icon {
    display: none;
    width: 100%;
    height: 32px;
    background: rgba(168, 135, 206, 0.10);
    border: 1px solid rgba(168, 135, 206, 0.30);
    border-radius: 8px;
    color: var(--accent);
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
}
.apikey-collapsed-icon:hover {
    background: rgba(168, 135, 206, 0.18);
}
.apikey-block.apikey-state-empty .apikey-collapsed-icon {
    border-color: var(--line-soft);
    color: var(--ink-3);
    background: rgba(236, 232, 242, 0.04);
}
.apikey-block.apikey-state-bad .apikey-collapsed-icon {
    border-color: rgba(156, 82, 109, 0.40);
    color: var(--wine);
    background: rgba(156, 82, 109, 0.12);
}
.sidebar.collapsed .apikey-collapsed-icon { display: flex; align-items: center; justify-content: center; }
.sidebar.collapsed .apikey-expanded { display: none; }

/* ── API-key popover (opened from collapsed sidebar or topbar) ───── */
.apikey-popover {
    position: fixed;
    z-index: 60;
    background: var(--paper);
    border: 1px solid var(--line-soft);
    border-radius: 10px;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.50);
    color: var(--ink);
    padding: 0;
    min-width: 240px;
}
.apikey-popover-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    border-bottom: 1px solid var(--line-faint);
}
.apikey-popover-title {
    font-size: 12px;
    font-weight: 600;
}
.apikey-popover-close {
    background: none;
    border: none;
    color: var(--ink-3);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
}
.apikey-popover-body {
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.apikey-popover-body .apikey-input {
    width: 100%;
}
.apikey-popover-body .apikey-btn {
    align-self: flex-start;
}
.apikey-popover-hint {
    margin: 4px 0 0;
    font-size: 11px;
    line-height: 1.4;
    color: var(--ink-3);
}

/* ── Topbar API-key button ─────────────────────────────────────── */
.apikey-topbar-btn {
    background: rgba(168, 135, 206, 0.10);
    border: 1px solid rgba(168, 135, 206, 0.30);
    border-radius: 999px;
    color: var(--accent);
    width: 30px;
    height: 30px;
    font-size: 13px;
    cursor: pointer;
    margin-right: 10px;
    display: none; /* shown on mobile only by default; desktop uses sidebar */
    align-items: center;
    justify-content: center;
    font-family: inherit;
    line-height: 1;
}
.apikey-topbar-btn:hover { background: rgba(168, 135, 206, 0.18); }
.apikey-topbar-btn.empty {
    border-color: var(--line-soft);
    color: var(--ink-3);
    background: rgba(236, 232, 242, 0.04);
}
.apikey-topbar-btn.bad {
    border-color: rgba(156, 82, 109, 0.40);
    color: var(--wine);
    background: rgba(156, 82, 109, 0.12);
}

/* ── Search row ───────────────────────────────────────────────────── */

.search-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    background: rgba(236, 232, 242, 0.04);
    border-radius: 7px;
    color: var(--ink-3);
    font-size: 11px;
    cursor: pointer;
    border: none;
    font-family: inherit;
    width: 100%;
    text-align: left;
}
.search-icon { font-size: 11px; }
.search-label { flex: 1; }
.search-kbd {
    font-family: var(--mono);
    font-size: 9px;
    padding: 1px 5px;
    border: 1px solid rgba(236, 232, 242, 0.10);
    border-radius: 3px;
    color: var(--ink-3);
}
.sidebar.collapsed .search-row {
    padding: 0;
    height: 32px;
    justify-content: center;
}
.sidebar.collapsed .search-label,
.sidebar.collapsed .search-kbd { display: none; }

/* ── Main column ──────────────────────────────────────────────────── */

.main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: var(--bg);
}

/* ── Topbar (subnav) ──────────────────────────────────────────────── */

.topbar {
    height: var(--topbar-h);
    flex-shrink: 0;
    border-bottom: 1px solid var(--line-faint);
    display: flex;
    align-items: center;
    padding: 0 22px;
    gap: 0;
    background: var(--bg);
    overflow-x: auto;
    scrollbar-width: none;
}
.topbar::-webkit-scrollbar { display: none; }

.subnav-tab {
    padding: 0 14px;
    height: 100%;
    display: flex;
    align-items: center;
    color: var(--ink-3);
    font-weight: 450;
    font-size: 12px;
    white-space: nowrap;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    text-decoration: none;
    background: none;
    border-left: none;
    border-right: none;
    border-top: none;
    font-family: inherit;
}
.subnav-tab:hover { color: var(--ink-2); }
.subnav-tab.active {
    color: var(--ink);
    font-weight: 600;
    border-bottom-color: var(--accent);
}

.topbar-spacer { flex: 1; }

.sse-pill {
    display: flex;
    align-items: center;
    gap: 7px;
    background: rgba(236, 232, 242, 0.04);
    border: 1px solid var(--line-faint);
    border-radius: var(--r-pill);
    padding: 4px 11px;
    font-size: 11px;
    color: var(--ink-3);
    cursor: default;
    white-space: nowrap;
}
.sse-pill .sse-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--ink-3);
}
.sse-pill.live {
    background: rgba(168, 135, 206, 0.10);
    border-color: rgba(168, 135, 206, 0.25);
    color: var(--accent);
}
.sse-pill.live .sse-dot {
    background: var(--accent);
    animation: pulse 1.6s ease-in-out infinite;
}

/* ── Page scroll area ─────────────────────────────────────────────── */

.page-scroll {
    flex: 1;
    overflow-x: hidden;
    overflow-y: auto;
    padding: 0;
    /* Pages must never produce a horizontal scrollbar at the page level.
       Wide content (tables, charts) opts in to its own internal scroll. */
    min-width: 0;
}
#page-root { min-width: 0; }

/* ── Bottom tab bar (mobile only — < 700px) ──────────────────────── */

.bottom-tabbar {
    display: none;
}

.mobile-activity-fab {
    display: none;
}

/* ── Responsive: 700–1099px ─────────────────────────────────────── */
/* At narrow desktop widths the sidebar defaults to collapsed but the
 * user can still expand it via the toggle (preference is remembered).
 * Note: the toggle stays visible at this breakpoint. */

/* ── Responsive: < 700px (bottom tab bar replaces sidebar) ──────── */

@media (max-width: 699px) {
    #app {
        flex-direction: column;
        height: 100vh;
    }
    .sidebar { display: none; }
    .main {
        flex: 1;
        min-height: 0;
        padding-bottom: 60px; /* leave room for bottom tab bar */
    }
    .topbar {
        padding: 0 12px;
    }
    /* Show the API-key trigger in the topbar so users can connect without the sidebar. */
    .apikey-topbar-btn { display: inline-flex; }

    .bottom-tabbar {
        display: flex;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--paper);
        border-top: 1px solid var(--line-faint);
        z-index: 50;
        padding: 0;
    }
    .bottom-tabbar-item {
        flex: 1;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 2px;
        background: none;
        border: none;
        color: var(--ink-3);
        font-family: inherit;
        font-size: 10px;
        font-weight: 500;
        cursor: pointer;
        padding: 8px 4px 6px;
        position: relative;
    }
    .bottom-tabbar-item .bottom-tabbar-icon {
        font-size: 18px;
        line-height: 1;
    }
    .bottom-tabbar-item.active {
        color: var(--accent);
    }
    .bottom-tabbar-item.active::before {
        content: '';
        position: absolute;
        top: 0;
        left: 18%;
        right: 18%;
        height: 2px;
        background: var(--accent);
        border-radius: 0 0 2px 2px;
    }

    /* Activity pill becomes a floating action button bottom-right above tab bar */
    .mobile-activity-fab {
        display: flex;
        position: fixed;
        right: 14px;
        bottom: 70px;
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: var(--paper);
        border: 1px solid rgba(168, 135, 206, 0.30);
        align-items: center;
        justify-content: center;
        color: var(--accent);
        font-family: var(--mono);
        font-size: 11px;
        font-weight: 600;
        z-index: 49;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.30);
        cursor: pointer;
    }
    .mobile-activity-fab.idle {
        color: var(--ink-3);
        border-color: var(--line-soft);
    }
    .mobile-activity-fab .pulse-dot,
    .mobile-activity-fab .idle-dot {
        width: 6px;
        height: 6px;
        border-radius: 50%;
        background: var(--accent);
        position: absolute;
        top: 8px;
        right: 8px;
    }
    .mobile-activity-fab .idle-dot { background: var(--ink-3); opacity: 0.7; }
    .mobile-activity-fab .pulse-dot { animation: pulse 1.6s ease-in-out infinite; }
    .mobile-activity-fab.idle .pulse-dot { display: none; }
    .mobile-activity-fab:not(.idle) .idle-dot { display: none; }
    .mobile-activity-fab-count {
        position: absolute;
        top: 4px;
        right: 4px;
        background: var(--accent);
        color: white;
        font-size: 9px;
        font-weight: 700;
        min-width: 16px;
        height: 16px;
        border-radius: 999px;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 0 4px;
    }
    .mobile-activity-fab.idle .mobile-activity-fab-count { display: none; }

    /* Activity popover positions itself differently on mobile (above the FAB) */
    .activity-popover.mobile-popover {
        position: fixed !important;
        right: 8px !important;
        left: 8px !important;
        bottom: 124px !important;
        top: auto !important;
        width: auto !important;
        transform: none !important;
        max-height: calc(100vh - 200px);
        overflow: auto;
    }
}