/*
 * Split Pane Component CSS — jsgui3-html
 *
 * Target class: .jsgui-split-pane
 * Features: horizontal/vertical, drag handle, min/max sizes
 */

/* ── Base ── */
.jsgui-split-pane {
    display: flex;
    width: 100%;
    height: 100%;
    align-items: stretch;
    overflow: hidden;
}

/* Vertical layout (stacked top/bottom) */
.jsgui-split-pane.split-pane-vertical {
    flex-direction: column;
}

/* ── Panes ── */
.jsgui-split-pane .split-pane-pane {
    min-width: 0;
    min-height: 0;
    overflow: auto;
}

/* ── Drag handle ── */
.jsgui-split-pane .split-pane-handle {
    flex-shrink: 0;
    background: var(--j-border, #e2e8f0);
    position: relative;
    z-index: 1;
    transition: background var(--j-duration-fast) var(--j-ease-out);
}

/* Horizontal handle (vertical bar between left/right) */
.jsgui-split-pane:not(.split-pane-vertical)>.split-pane-handle {
    width: 4px;
    cursor: col-resize;
}

/* Vertical handle (horizontal bar between top/bottom) */
.jsgui-split-pane.split-pane-vertical>.split-pane-handle {
    height: 4px;
    cursor: row-resize;
}

/* Handle hover/active */
.jsgui-split-pane .split-pane-handle:hover {
    background: var(--j-primary, #3b82f6);
}

.jsgui-split-pane .split-pane-handle:active {
    background: var(--j-primary, #3b82f6);
}

/* Handle grip indicator (dots) */
.jsgui-split-pane .split-pane-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 2px;
}

.jsgui-split-pane:not(.split-pane-vertical)>.split-pane-handle::after {
    width: 2px;
    height: 24px;
    border-top: 2px solid rgba(0, 0, 0, 0.15);
    border-bottom: 2px solid rgba(0, 0, 0, 0.15);
}

.jsgui-split-pane.split-pane-vertical>.split-pane-handle::after {
    width: 24px;
    height: 2px;
    border-left: 2px solid rgba(0, 0, 0, 0.15);
    border-right: 2px solid rgba(0, 0, 0, 0.15);
}

/* ══════════════════════════════════════════
   Reduced Motion
   ══════════════════════════════════════════ */

@media (prefers-reduced-motion: reduce) {
    .jsgui-split-pane .split-pane-handle {
        transition: none;
    }
}