/* ── Focus Mode — Overlay ────────────── */
.focus-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: var(--z-modal);
    background: var(--bg-primary);
    display: flex;
    opacity: 0;
    transition: opacity 200ms ease;
    pointer-events: none;
}

.focus-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ── Focus Mode — Icon Dock Sidebar ──── */
.focus-dock {
    width: 48px;
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0;
    gap: 4px;
    overflow: visible;
    position: relative;
    z-index: var(--z-elevated);
}

.focus-dock-btn {
    width: 100%;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background 150ms ease;
    flex-shrink: 0;
    position: relative;
    padding: 0 6px;
    overflow: visible;
}

.focus-dock-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.focus-dock-btn.active {
    background: var(--accent);
    color: var(--text-inverse);
}

.focus-dock-btn.active:hover {
    background: var(--accent-hover);
}

.focus-dock-btn.unavailable {
    opacity: 0.3;
    cursor: not-allowed;
}

.focus-dock-btn.unavailable:hover {
    background: transparent;
}

/* ── Focus Mode — Hover Label (tooltip right of hovered icon) ── */
.focus-dock-label {
    display: none;
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 6px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
    pointer-events: none;
    color: var(--text-primary);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 4px 10px;
    box-shadow: var(--shadow);
    z-index: var(--z-elevated);
}

.focus-dock-btn:hover .focus-dock-label {
    display: block;
}

/* ── Focus Mode — Dock Utilities ─────── */
.focus-dock-sep {
    width: 28px;
    height: 1px;
    background: var(--border);
    margin: 4px 0;
    flex-shrink: 0;
}

.focus-dock-close {
    margin-top: auto;
    color: var(--text-muted);
}

.focus-dock-close:hover {
    color: var(--danger);
    background: var(--danger-dim);
}

/* ── Focus Mode — Corner Time-Loss Nav Bar ── */
.focus-corner-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 4px 8px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: thin;
    flex-shrink: 0;
}

.focus-corner-chip {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid transparent;
    background: transparent;
    cursor: pointer;
    transition: all 150ms ease;
    min-width: 52px;
}

.focus-corner-chip:hover {
    background: var(--bg-tertiary);
    border-color: var(--border);
}

.focus-corner-chip.active {
    background: var(--accent-dim);
    border-color: var(--accent);
}

.focus-corner-chip-name {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    white-space: nowrap;
}

.focus-corner-chip-delta {
    font-size: 11px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}

.focus-corner-chip-delta.loss {
    color: var(--danger);
}

.focus-corner-chip-delta.gain {
    color: var(--success);
}

.focus-corner-chip-delta.neutral {
    color: var(--text-muted);
}

/* ── Focus Mode — Panel Grid ─────────── */
.focus-panels-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.focus-panels {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.sp-grid {
    width: 100%;
    height: 100%;
}

.sp-row {
    min-height: 150px;
}

.sp-panel {
    overflow: hidden;
    position: relative;
    background: var(--bg-primary);
}

.sp-panel .chart-container {
    width: 100%;
    height: 100%;
    aspect-ratio: unset;
    padding: 0.5rem;
}

.sp-panel canvas {
    display: block;
    width: 100% !important;
    height: 100% !important;
}

/* ── Focus Mode — Panel Header ───────── */
.sp-panel-header {
    position: absolute;
    top: 4px;
    left: 8px;
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    z-index: var(--z-base);
    pointer-events: none;
}

/* ── Focus Mode — Drag Handles ───────── */
.sp-handle {
    flex-shrink: 0;
    background: var(--border);
    transition: background 150ms ease;
    position: relative;
    z-index: var(--z-base);
}

.sp-handle--horizontal {
    width: 4px;
    cursor: col-resize;
}

.sp-handle--vertical {
    height: 4px;
    cursor: row-resize;
}

.sp-handle:hover,
.sp-handle--active {
    background: var(--accent);
}

/* ── Focus Mode — Section Expand Button ─ */
.focus-expand-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    font-size: 14px;
    cursor: pointer;
    vertical-align: middle;
    margin-left: 8px;
    transition: color 150ms ease, background 150ms ease;
}

.focus-expand-btn:hover {
    color: var(--accent);
    background: var(--accent-dim);
}

/* ── Focus Mode — Tab Focus Button ───── */
.focus-tab-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 16px;
    cursor: pointer;
    margin-left: auto;
    transition: color 150ms, background 150ms, border-color 150ms;
}

.focus-tab-btn:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-dim);
}

/* ── Focus Mode — Transitions ────────── */
.focus-overlay .focus-panels-area {
    transform: translateY(8px);
    transition: transform 200ms ease;
}

.focus-overlay.active .focus-panels-area {
    transform: translateY(0);
}

/* ── Focus Mode — Responsive ─────────── */
@media (max-width: 768px) {
    .focus-dock {
        width: 40px;
    }

    .focus-dock-btn {
        height: 32px;
        font-size: 14px;
    }
}