/* Nested iOS segmented control — same family as `.tabs` (Rotation: Sectors · YTD · RSL) */
.segmented-control {
    display: inline-flex;
    gap: var(--space-xs);
    background: rgba(33, 38, 48, 0.5);
    padding: 4px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--space-lg);
    width: fit-content;
    max-width: 100%;
}

.segment-btn {
    flex: 1;
    padding: 0.45rem 1rem;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 10px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    white-space: nowrap;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    -webkit-tap-highlight-color: transparent;
}

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

.segment-btn.active {
    background: var(--bg-active);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
    font-weight: 600;
}

.segment-btn:focus-visible {
    outline: 2px solid var(--accent-blue);
    outline-offset: 2px;
}

/* Tab sub-views */
.tab-subview {
    display: block;
}

.tab-subview.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .segmented-control {
        width: 100%;
        display: flex;
    }

    .segment-btn {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
    }

    .portfolio-summary-bar {
        flex-wrap: wrap;
    }

    .portfolio-reset-btn {
        margin-left: 0;
        width: 100%;
    }
}

@media (max-width: 480px) {
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }

    .shortcuts-modal {
        padding: 1.5rem;
    }
}

/* Help tab styling */
.tab[data-tab="help"] {
    font-weight: 600;
    position: relative;
}

.portfolio-reset-btn {
    margin-left: auto;
    align-self: center;
    flex: 0 0 auto;
    background-color: var(--accent-red);
    color: var(--text-primary);
    border: 1px solid var(--accent-red-border-strong);
    border-radius: var(--radius-sm);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-weight: 600;
    white-space: nowrap;
}

.portfolio-reset-btn:hover {
    background-color: var(--accent-red-bg-hover);
    border-color: var(--accent-red);
}

.portfolio-reset-hint {
    margin: 0 0 var(--space-lg);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    max-width: 40rem;
}