/* =============================================================================
   Status dots (footer / header / section indicators)
   ========================================================================== */

.dot {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--text-tertiary);
    margin-right: 6px;
    flex: 0 0 6px;
    vertical-align: middle;
}
.dot-up    { background: var(--up); }
.dot-down  { background: var(--down); }
.dot-warn  { background: var(--warn); }
.dot-amber { background: var(--accent); }
.dot-idle  { background: var(--text-tertiary); }

.dot-pulse {
    animation: bbg-pulse 1.6s ease-in-out infinite;
}

@keyframes bbg-pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.35; }
}

/* =============================================================================
   Bloomberg-styled segmented control (tabs, range buttons, P/TV toggle)
   ========================================================================== */

.bbg-seg {
    display: inline-flex;
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    border-radius: 2px;
    overflow: hidden;
}
.bbg-seg > button,
.bbg-seg > .bbg-seg-item {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    padding: 4px 10px;
    cursor: pointer;
    transition: background 80ms ease, color 80ms ease;
    border-right: 1px solid var(--border-primary);
}
.bbg-seg > button:last-child,
.bbg-seg > .bbg-seg-item:last-child {
    border-right: none;
}
.bbg-seg > button:hover,
.bbg-seg > .bbg-seg-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.bbg-seg > button.active,
.bbg-seg > .bbg-seg-item.active {
    background: var(--accent);
    color: #000;
}

/* Segmented RadioItems (D/1H/4H, period toggles, …).
   Dash 4 renders RadioItems as:
     div.dash-options-list.bbg-radio-seg[role=listbox]
       label.dash-options-list-option[.selected][aria-selected]
         span.dash-options-list-option-wrapper > input[readonly]
         span.dash-options-list-option-text
   `display:none` on the input breaks label activation in Chromium, so
   clicks never fire onChange and the chart never reloads. Keep the input
   visually hidden but still activatable. Dropdown `.dash-options-list*`
   rules use !important — segment rules must match that weight and the
   Dash 4 `.selected` / `[aria-selected]` hooks (not only :checked). */
.bbg-radio-seg,
.bbg-radio-seg.dash-options-list {
    display: inline-flex !important;
    align-items: stretch;
    border: 1px solid var(--border-primary) !important;
    border-top: 1px solid var(--border-primary) !important;
    background: var(--bg-secondary) !important;
    border-radius: 2px;
    overflow: hidden;
    margin-top: 0 !important;
    width: auto !important;
}
.bbg-radio-seg > label,
.bbg-radio-seg > .dash-options-list-option {
    position: relative;
    display: inline-flex !important;
    align-items: center;
    margin: 0 !important;
    padding: 4px 10px !important;
    border-right: 1px solid var(--border-primary) !important;
    border-bottom: none !important;
    background: transparent !important;
    color: var(--text-secondary) !important;
    font-family: var(--font-sans) !important;
    font-size: 11px !important;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: background 80ms ease, color 80ms ease;
}
.bbg-radio-seg > label:last-child,
.bbg-radio-seg > .dash-options-list-option:last-child {
    border-right: none !important;
}
.bbg-radio-seg > label:hover,
.bbg-radio-seg > .dash-options-list-option:hover {
    background: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}
.bbg-radio-seg > label.selected,
.bbg-radio-seg > label[aria-selected="true"],
.bbg-radio-seg > label:has(input:checked),
.bbg-radio-seg > .dash-options-list-option.selected,
.bbg-radio-seg > .dash-options-list-option[aria-selected="true"] {
    background: var(--accent) !important;
    color: #000 !important;
}
/* Transparent hit-target over the whole segment. Must NOT use display:none —
   Chromium will not activate a display:none radio via its <label>, so Dash 4
   onChange never fires. Full-size opacity:0 input receives the click. */
.bbg-radio-seg .dash-options-list-option-wrapper {
    position: absolute !important;
    inset: 0 !important;
    width: auto !important;
    height: auto !important;
    overflow: visible !important;
    z-index: 1;
}
.bbg-radio-seg input,
.bbg-radio-seg .dash-options-list-option-checkbox {
    position: absolute !important;
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    opacity: 0 !important;
    cursor: pointer !important;
    appearance: none !important;
    -webkit-appearance: none !important;
}
.bbg-radio-seg .dash-options-list-option-text {
    position: relative;
    z-index: 0;
    color: inherit !important;
    font: inherit !important;
    pointer-events: none;
}

/* Chart toolbar bar-interval segment — sit clear of title meta */
.sfa-bar-interval.bbg-radio-seg {
    flex-shrink: 0;
}
.sfa-bar-interval.bbg-radio-seg > label,
.sfa-bar-interval.bbg-radio-seg > .dash-options-list-option {
    padding: 5px 12px !important;
    min-width: 28px;
    justify-content: center;
}

/* Test-window shortcuts — eight options (MAX…YTD) wrap into two rows of four
   so each label keeps usable padding inside the right panel's narrow column. */
.sfa-test-window-seg.bbg-radio-seg {
    display: flex !important;
    flex-wrap: wrap;
    width: 100% !important;
}
.sfa-test-window-seg.bbg-radio-seg > label,
.sfa-test-window-seg.bbg-radio-seg > .dash-options-list-option {
    flex: 1 1 25%;
    box-sizing: border-box;
    min-width: 0;
    padding: 5px 6px !important;
    justify-content: center;
    text-align: center;
    letter-spacing: 0.4px;
    border-right: 1px solid var(--border-primary) !important;
    border-bottom: 1px solid var(--border-primary) !important;
}
.sfa-test-window-seg.bbg-radio-seg > label:nth-child(4n),
.sfa-test-window-seg.bbg-radio-seg > .dash-options-list-option:nth-child(4n) {
    border-right: none !important;
}
.sfa-test-window-seg.bbg-radio-seg > label:nth-last-child(-n+4),
.sfa-test-window-seg.bbg-radio-seg > .dash-options-list-option:nth-last-child(-n+4) {
    border-bottom: none !important;
}
.sfa-test-window-seg.bbg-radio-seg > label:last-child,
.sfa-test-window-seg.bbg-radio-seg > .dash-options-list-option:last-child {
    border-right: none !important;
}

/* =============================================================================
   Chart Settings — dense two-column toggles (left sidebar)
   ========================================================================== */

.sfa-chart-toggle-grid {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
    align-items: start;
    /* Kill dropdown-list chrome if Dash 4 mounts Checklist as .dash-options-list */
    background: transparent !important;
    margin-top: 0 !important;
    border-top: none !important;
}

/* className may land on a wrapper; push the same grid onto the inner list */
.sfa-chart-toggle-grid > .dash-options-list {
    display: grid !important;
    grid-template-columns: 1fr 1fr;
    gap: 2px 8px;
    align-items: start;
    background: transparent !important;
    margin-top: 0 !important;
    border-top: none !important;
}

.sfa-chart-toggle-grid > .dash-options-list-option,
.sfa-chart-toggle-grid > label,
.sfa-chart-toggle-grid > .dash-options-list > .dash-options-list-option,
.sfa-chart-toggle-grid > .dash-options-list > label {
    background: transparent !important;
    border-bottom: none !important;
    padding: 1px 0 !important;
    margin: 0 !important;
    min-width: 0;
}

.sfa-chart-toggle-grid > .dash-options-list-option:hover,
.sfa-chart-toggle-grid > .dash-options-list-option[aria-selected="true"],
.sfa-chart-toggle-grid > .dash-options-list-option[data-state="checked"],
.sfa-chart-toggle-grid > .dash-options-list > .dash-options-list-option:hover,
.sfa-chart-toggle-grid > .dash-options-list > .dash-options-list-option[aria-selected="true"],
.sfa-chart-toggle-grid > .dash-options-list > .dash-options-list-option[data-state="checked"] {
    background: transparent !important;
    color: var(--text-primary) !important;
}

.sfa-overlay-gear-strip {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 6px 10px;
    margin-top: 6px;
}

.sfa-overlay-gear-strip-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.sfa-overlay-gear-strip-label {
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
    text-transform: uppercase;
}

/* =============================================================================
   Section primitives (sidebar / right panel)
   ========================================================================== */

.bbg-section {
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-bottom: 6px;
}
.bbg-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: var(--bg-panel-header);
    border-bottom: 1px solid var(--border-primary);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.bbg-section.expanded .bbg-section-header {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
details.bbg-section > .bbg-section-header {
    list-style: none;
}
details.bbg-section > .bbg-section-header::-webkit-details-marker {
    display: none;
}
details.bbg-section > .bbg-section-header::after {
    content: '+';
    color: var(--text-tertiary);
    font-family: var(--font-sans);
    font-size: 11px;
    margin-left: auto;
}
details.bbg-section[open] > .bbg-section-header {
    color: var(--accent);
    border-bottom-color: var(--accent);
}
details.bbg-section[open] > .bbg-section-header::after {
    content: '-';
    color: var(--accent);
}
.bbg-section-body {
    padding: 8px 10px;
}

/* =============================================================================
   KPI cell (backtest results grid)
   ========================================================================== */

.bbg-kpi {
    border: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
    padding: 8px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    border-radius: 2px;
}
.bbg-kpi-label {
    font-size: 10px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.8px;
}
.bbg-kpi-value {
    font-family: var(--font-sans);
    font-variant-numeric: tabular-nums;
    font-weight: 600;
    font-size: 18px;
    color: var(--text-primary);
}
.bbg-kpi-delta {
    font-family: var(--font-sans);
    font-size: 11px;
    font-variant-numeric: tabular-nums;
}

/* =============================================================================
   Ticker pill (TRIG / REJ counters etc)
   ========================================================================== */

.bbg-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 2px 8px;
    border: 1px solid var(--border-primary);
    background: var(--bg-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 2px;
}
.bbg-pill .bbg-pill-value {
    color: var(--text-primary);
    font-weight: 600;
}
.bbg-pill.up    .bbg-pill-value { color: var(--up); }
.bbg-pill.down  .bbg-pill-value { color: var(--down); }
.bbg-pill.amber .bbg-pill-value { color: var(--accent); }

/* =============================================================================
   Buttons
   ========================================================================== */

button.bbg-button {
    background: var(--accent);
    color: #000;
    border: none;
    font-family: var(--font-sans);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 8px 14px;
    cursor: pointer;
    border-radius: 2px;
    transition: filter 100ms ease;
}
button.bbg-button:hover  { filter: brightness(1.1); }
button.bbg-button:active { filter: brightness(0.9); }

button.bbg-button-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
}
button.bbg-button-outline:hover {
    background: var(--accent);
    color: #000;
}

button.bbg-button-ghost {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    font-family: var(--font-sans);
    font-size: 11px;
    padding: 4px 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border-radius: 2px;
}
button.bbg-button-ghost:hover {
    color: var(--accent);
    border-color: var(--accent);
}

/* Compact ghost button sized to fit the 24px-tall status bar. */
button.bbg-status-btn {
    padding: 1px 8px;
    font-size: 10px;
    line-height: 16px;
    display: inline-flex;
    align-items: center;
}
button.bbg-status-btn .sfa-status-kbd {
    font-family: var(--font-mono);
    font-size: 9px;
    padding: 1px 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: 2px;
    line-height: 1;
    color: var(--text-secondary);
    letter-spacing: 0.4px;
}

/* =============================================================================
   Header chrome — status labels, divider, clock, icon buttons
   ========================================================================== */

.bbg-header-status-label {
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.bbg-header-divider {
    color: var(--border-primary);
    font-family: var(--font-sans);
    user-select: none;
}

.bbg-header-clock {
    font-family: var(--font-sans);
    font-size: 12px;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    min-width: 56px;
}

/* Compact, square-ish icon button used by the theme toggle and the
   keyboard-shortcut launcher. Sized so the two controls don't crowd
   the right edge of the header. */
button.bbg-icon-button,
a.bbg-icon-button {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    padding: 3px 9px;
    min-width: 28px;
    height: 26px;
    cursor: pointer;
    border-radius: 2px;
    transition: color 80ms ease, border-color 80ms ease, background 80ms ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}
button.bbg-icon-button:hover,
a.bbg-icon-button:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: color-mix(in srgb, var(--accent) 8%, transparent);
}
button.bbg-icon-button:active,
a.bbg-icon-button:active {
    background: color-mix(in srgb, var(--accent) 16%, transparent);
}

/* Support CTA — warm accent fill so it reads as a giving action, not a
   utility control. Research-backed pattern: high-contrast warm tone
   (amber) separate from neutral icon buttons; concise action label. */
a.bbg-donate-button {
    background: color-mix(in srgb, var(--accent) 22%, transparent);
    color: var(--accent);
    border: 1px solid color-mix(in srgb, var(--accent) 65%, var(--border-primary));
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: none;
    padding: 3px 10px;
    min-width: 28px;
    height: 26px;
    cursor: pointer;
    border-radius: 2px;
    transition: color 80ms ease, border-color 80ms ease, background 80ms ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-sizing: border-box;
}
a.bbg-donate-button:hover {
    background: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}
a.bbg-donate-button:active {
    background: color-mix(in srgb, var(--accent) 88%, #000);
    border-color: color-mix(in srgb, var(--accent) 88%, #000);
    color: var(--bg-primary);
}

/* Light theme: filled amber needs light label text for contrast. */
body.theme-light a.bbg-donate-button:hover,
body.theme-light a.bbg-donate-button:active {
    color: #ffffff;
}

/* =============================================================================
   Inputs (dense)
   ========================================================================== */

.bbg-input,
input.bbg-input,
.bbg-input input {
    background: var(--bg-secondary) !important;
    border: 1px solid var(--border-primary) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-sans) !important;
    font-size: 12px !important;
    padding: 5px 8px !important;
    border-radius: 2px !important;
    height: 28px !important;
    box-sizing: border-box !important;
    outline: none;
    transition: border-color 100ms ease;
}
.bbg-input:focus,
input.bbg-input:focus,
.bbg-input input:focus {
    border-color: var(--accent) !important;
}

/* Hide spinner buttons on number inputs */
.bbg-input::-webkit-outer-spin-button,
.bbg-input::-webkit-inner-spin-button,
input.bbg-input::-webkit-outer-spin-button,
input.bbg-input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    appearance: none;
    margin: 0;
}
input.bbg-input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

/* =============================================================================
   Header
   ========================================================================== */

.bbg-header {
    display: flex;
    align-items: center;
    gap: 16px;
    height: 44px;
    padding: 0 14px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    position: relative;
    z-index: 30;
}
.sfa-workspace-nav {
    display: inline-flex;
    align-items: stretch;
    border: 1px solid var(--border-primary);
    border-radius: 2px;
    overflow: hidden;
    background: var(--bg-tertiary);
    flex-shrink: 0;
}
.sfa-workspace-nav-btn {
    margin: 0;
    padding: 5px 10px;
    border: none;
    border-right: 1px solid var(--border-primary);
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    line-height: 1.2;
}
.sfa-workspace-nav-btn:last-child {
    border-right: none;
}
.sfa-workspace-nav-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}
.sfa-workspace-nav-btn.is-active {
    background: var(--accent);
    color: #000;
}
.bbg-wordmark {
    font-family: var(--font-sans);
    font-size: 14px;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 2px;
}
.bbg-wordmark-sub {
    font-family: var(--font-sans);
    font-size: 10px;
    color: var(--text-tertiary);
    letter-spacing: 2px;
    text-transform: uppercase;
    border-left: 1px solid var(--border-primary);
    padding-left: 12px;
    margin-left: 4px;
}
.bbg-tape {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-sans);
    font-size: 13px;
    flex: 1;
    justify-content: center;
}
.bbg-tape-symbol {
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.bbg-tape-price {
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}
.bbg-tape-delta {
    font-variant-numeric: tabular-nums;
    font-size: 12px;
}

/* =============================================================================
   Status bar (bottom)
   ========================================================================== */

.bbg-status-bar {
    display: flex;
    align-items: center;
    gap: 0;
    height: 24px;
    padding: 0 12px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-primary);
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}
.bbg-status-segment {
    display: inline-flex;
    align-items: center;
    padding: 0 12px;
    border-right: 1px solid var(--border-primary);
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.bbg-status-segment:last-child { border-right: none; }
.bbg-status-segment.flex-grow {
    flex: 1;
    min-width: 0;
}

/* =============================================================================
   Signal list rows (right panel)
   ========================================================================== */

.bbg-signal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 8px;
    height: 24px;
    border-bottom: 1px solid var(--border-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    color: var(--text-primary);
    transition: background 80ms ease;
}
.bbg-signal-row:hover {
    background: var(--bg-hover);
}
.bbg-signal-row .bbg-signal-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.bbg-signal-toggle {
    width: 22px;
    height: 16px;
    border: 1px solid var(--border-primary);
    background: transparent;
    color: var(--text-tertiary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 700;
    cursor: pointer;
    margin-left: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1px;
}
.bbg-signal-toggle.active.buy {
    background: var(--up);
    color: #000;
    border-color: var(--up);
}
.bbg-signal-toggle.active.sell {
    background: var(--down);
    color: #000;
    border-color: var(--down);
}

/* =============================================================================
   Progress bar (flat amber)
   ========================================================================== */

.progress-container {
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 0;
    overflow: hidden;
    margin: 6px 0;
}
.progress-bar {
    height: 100%;
    background: var(--accent);
    transition: width 0.3s ease;
}
.progress-bar.indeterminate {
    width: 100%;
    background: linear-gradient(90deg, var(--bg-tertiary) 0%, var(--accent) 50%, var(--bg-tertiary) 100%);
    background-size: 200% 100%;
    animation: bbg-shimmer 1.4s linear infinite;
}
@keyframes bbg-shimmer {
    0%   { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

/* =============================================================================
   Tabs (right-panel: Backtest / Optimizer / Data)
   ========================================================================== */

.panel-tab {
    background: transparent !important;
    border: none;
    color: var(--text-secondary) !important;
    font-family: var(--font-sans);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    padding: 8px 14px !important;
    border-bottom: 2px solid transparent !important;
    cursor: pointer;
    transition: color 80ms ease, border-color 80ms ease;
}
.panel-tab:hover {
    color: var(--text-primary) !important;
}
.panel-tab.active {
    color: var(--accent) !important;
    border-bottom-color: var(--accent) !important;
    font-weight: 700;
}

/* Drop the underline animation */
.panel-tab::after { display: none !important; }