/* Focus split detail — photo + details side by side (no animation) */

body {
    --focus-split-panel-w: min(34rem, 42vw);
}

@media (min-width: 1400px) {
    body {
        --focus-split-panel-w: min(40rem, 44vw);
    }
}

.focus-split-stage {
    position: relative;
    display: flex;
    flex-direction: row;
    align-items: stretch;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.focus-split-stage .focus-scroll {
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
    width: auto;
    height: 100%;
}

.focus-split-panel {
    position: relative;
    z-index: 30;
    box-sizing: border-box;
    flex: 0 0 var(--focus-split-panel-w);
    width: var(--focus-split-panel-w);
    height: 100%;
    display: none;
    flex-direction: column;
    padding-top: var(--chrome-height, 4.5rem);
    background: var(--bg-surface);
    border-left: 1px solid var(--border-subtle);
    box-shadow:
        -12px 0 40px rgba(0, 0, 0, 0.4),
        0 0 40px rgba(90, 159, 212, 0.05);
    pointer-events: none;
    overflow: hidden;
}

.focus-split-panel.is-visible {
    display: flex;
    pointer-events: auto;
}

.focus-split-panel-handle {
    display: none;
}

.focus-split-panel-chrome {
    flex-shrink: 0;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.85rem 1.15rem 0.65rem;
    border-bottom: 1px solid var(--border-subtle);
    background: rgba(4, 10, 22, 0.96);
}

.focus-split-panel-title {
    margin: 0;
    flex: 1;
    min-width: 0;
    font-family: var(--font-serif);
    font-size: clamp(1rem, 1.6vw, 1.25rem);
    font-weight: 500;
    letter-spacing: var(--letter-display);
    text-transform: uppercase;
    color: var(--text-primary);
    line-height: 1.3;
}

.focus-split-panel-close {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    padding: 0;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius);
    background: var(--header-glass);
    color: var(--text-muted);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
}

.focus-split-panel-close:hover {
    color: var(--accent-cyan);
    border-color: var(--accent-border);
}

.focus-split-panel-body {
    flex: 1 1 0;
    min-height: 0;
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior: contain;
    touch-action: pan-y;
}

.focus-split-panel-body .modal-header,
.focus-split-panel-body .modal-close {
    display: none !important;
}

/* Sheet is not under the notch — don't inherit full-screen modal safe-area padding */
.focus-split-panel-body .modal-top {
    padding: 0.85rem 1.15rem 0.65rem;
}

.focus-split-panel-body .modal-focus-btn.modal-split-hide-focus {
    display: none !important;
}

.focus-split-panel-body .modal-content {
    padding: 0.75rem 1.15rem 1.5rem;
}

/* Keep snap-scrolling while details are open; size slides to the photo column */
body.focus-split-open .focus-slide {
    height: 100%;
    min-height: 100%;
}

body.focus-split-open .focus-slide-caption {
    opacity: 0;
    pointer-events: none;
}

/* Fit image to the narrowed photo column */
@media (min-width: 769px) and (hover: hover) and (pointer: fine) {
    body.focus-split-open.view-focus .focus-slide-media {
        --focus-pad-bottom: 1.5rem;
        --focus-pad-inline: 1rem;
        --focus-fit-w: calc(100% - 2 * var(--focus-pad-inline));
        --focus-fit-h: calc(100% - var(--focus-pad-top) - var(--focus-pad-bottom));
    }

    body.focus-split-open.view-focus.focus-desktop-fill .focus-slide-media {
        --focus-fit-w: 100%;
        --focus-fit-h: 100%;
    }

    body.focus-split-open.view-focus.focus-desktop-fill.focus-has-back-chrome .focus-slide-media {
        --focus-fit-h: calc(100% - var(--chrome-height, 4.5rem) - var(--focus-back-strip, 2.75rem));
    }
}

/* Mobile: fixed bottom sheet on <body> — same scroll model as About sheet */
@media (max-width: 820px) {
    body {
        --focus-split-panel-w: 100%;
        --focus-split-sheet-h: 33dvh;
    }

    .focus-split-stage {
        display: block;
    }

    .focus-split-stage .focus-scroll {
        width: 100%;
        height: 100%;
    }

    .focus-split-panel,
    .focus-split-panel.is-sheet {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        top: auto;
        z-index: 960;
        flex: none;
        width: 100%;
        height: var(--focus-split-sheet-h);
        max-height: 92dvh;
        padding-top: 0;
        border-left: none;
        border-top: 1px solid var(--border-subtle);
        border-radius: calc(var(--radius) + 10px) calc(var(--radius) + 10px) 0 0;
        box-shadow:
            0 -10px 40px rgba(0, 0, 0, 0.45),
            0 0 48px rgba(90, 159, 212, 0.06);
        overflow: hidden;
        display: none;
        flex-direction: column;
    }

    .focus-split-panel.is-visible {
        display: flex;
    }

    .focus-split-panel.is-dragging {
        user-select: none;
    }

    .focus-split-panel-handle {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        height: 1.25rem;
        padding-top: 0.4rem;
        cursor: grab;
        touch-action: none;
    }

    .focus-split-panel.is-dragging .focus-split-panel-handle {
        cursor: grabbing;
    }

    .focus-split-panel-handle-bar {
        display: block;
        width: 2.5rem;
        height: 0.28rem;
        border-radius: 999px;
        background: rgba(255, 255, 255, 0.28);
    }

    .focus-split-panel-chrome {
        flex-shrink: 0;
        padding-top: 0.35rem;
        touch-action: none;
        cursor: grab;
    }

    .focus-split-panel.is-dragging .focus-split-panel-chrome {
        cursor: grabbing;
    }

    .focus-split-panel-body {
        flex: 1 1 auto;
        min-height: 0;
        overflow-x: hidden;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
        touch-action: pan-y;
        padding-bottom: env(safe-area-inset-bottom, 0);
    }
}
