/* ═══════════════════════════════════════════════════════════
   TOPBAR TOOLBAR — action buttons & shared menu base class
   Layout Manager menu styles → css/topbar/layout-picker/layout-manager.css
   ═══════════════════════════════════════════════════════════ */

/* ── Right-toolbar icon buttons ── */
#quickAlertBtn,
#settingsBtn,
#fullscreenBtn,
#screenshotBtn {
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 50%;
    color: var(--ui-fg);
    cursor: pointer;
    flex-shrink: 0;
    transition: background 0.12s ease, border-color 0.12s ease;
    font-family: inherit;
}
#quickAlertBtn:hover,
#settingsBtn:hover,
#fullscreenBtn:hover,
#screenshotBtn:hover {
    background: rgba(15, 23, 42, 0.06);
    border-color: var(--ui-panel-border);
}

/* ── Flash effect on screenshot click ── */
.tb-btn-flash { opacity: .35 !important; transition: opacity 0.5s; }

/* ── Shared dropdown base (used by screenshot menu in actions.js) ── */
.chart-name-menu {
    position: fixed;
    background: var(--ui-panel, #1e222d);
    border: 1px solid var(--ui-border, rgba(255,255,255,.1));
    border-radius: 8px;
    padding: 6px 0;
    z-index: 99999;
    box-shadow: 0 8px 32px rgba(0,0,0,.45);
    min-width: 248px;
    font-family: inherit;
}
.chart-name-menu.hidden { display: none; }

/* ── Menu item (shared by screenshot dropdown) ── */
.cnm-item {
    display: flex;
    align-items: center;
    height: 34px;
    padding: 0 14px 0 10px;
    gap: 0;
    cursor: pointer;
    color: var(--ui-fg, #d1d4dc);
    font-size: 13px;
    font-weight: 400;
    user-select: none;
    border-radius: 0;
    transition: background 0.1s;
    outline: none;
}
.cnm-item:hover { background: rgba(120,120,140,.14); }
.cnm-item:focus-visible { background: rgba(120,120,140,.14); }

.cnm-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    flex-shrink: 0;
    color: var(--ui-fg-muted, #787b86);
}
.cnm-lbl {
    flex: 1;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    white-space: nowrap;
}
.cnm-sc {
    font-size: 11px;
    color: var(--ui-fg-muted, #787b86);
    margin-left: 8px;
    flex-shrink: 0;
    letter-spacing: .03em;
}
.cnm-section-hdr {
    padding: 6px 14px 4px 14px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ui-fg-muted, #787b86);
    user-select: none;
}
.cnm-sep {
    height: 1px;
    background: var(--ui-border, rgba(255,255,255,.08));
    margin: 5px 0;
}

/* ── Light theme overrides ── */
.chart-name-menu {
    background: var(--ui-panel);
    border-color: var(--ui-panel-border);
    box-shadow: 0 8px 32px rgba(0,0,0,.15);
}
.cnm-item { color: var(--ui-fg); }
.cnm-item:hover { background: var(--ui-button); }
.cnm-icon { color: var(--ui-muted); }
.cnm-sc,
.cnm-info-ic { color: var(--ui-muted); }
.cnm-section-hdr { color: var(--ui-muted); }
.cnm-sep { background: var(--ui-panel-border); }