/*
 * live-code: in-browser execution of notebook code cells via Pyodide.
 *
 * Adds a run button to each code cell and a floating session-status pill;
 * everything else reuses the existing nbsphinx markup and styling.
 */

/* the button hangs off div.nbinput (which never scrolls), NOT div.input_area:
   nbsphinx gives the input area overflow:auto, so anything overhanging it
   would create a scrollbar on one-line cells and drift with horizontal
   scrolling of long code lines */
body.live-page div.nbinput {
    position: relative;
}

/* keep code from running underneath the run button */
body.live-page div.nbinput div.input_area pre {
    padding-right: 2.4em;
}

/* offsets are relative to div.nbinput, whose 5px top padding precedes the
   input area's border box: 9px/4px yields a uniform 4px visual inset from
   the cell border on top and right, and also bottom for one-line cells
   (29px box height - 21px button = 2 x 4px) */
.live-run-btn {
    position: absolute;
    top: 9px;
    right: 4px;
    width: 21px;
    height: 21px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(41, 128, 185, 0.4);
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.9);
    color: #2980b9;
    font-size: 12px;
    line-height: 1;
    cursor: pointer;
    opacity: 0.6;
    transition: opacity 0.15s ease;
    z-index: 5;
}

.live-run-btn:hover,
.live-run-btn:focus {
    opacity: 1;
    background: #fff;
}

.live-run-btn.live-state-queued { opacity: 0.85; }
.live-run-btn.live-state-running { opacity: 1; }

.live-run-btn.live-state-done {
    color: #1e8449;
    border-color: rgba(30, 132, 73, 0.4);
}

.live-run-btn.live-state-error {
    color: #c0392b;
    border-color: rgba(192, 57, 43, 0.5);
    opacity: 1;
}

.live-spinner {
    width: 12px;
    height: 12px;
    border: 2px solid rgba(41, 128, 185, 0.25);
    border-top-color: #2980b9;
    border-radius: 50%;
    animation: live-spin 0.8s linear infinite;
}

@keyframes live-spin {
    to { transform: rotate(360deg); }
}

/* original (static) outputs are hidden while live results are shown */
.live-hidden { display: none !important; }

/* editable cells (enabled once the session is ready) */
body.live-page div.nbinput div.input_area pre[contenteditable] { outline: none; }

body.live-page div.nbinput div.input_area pre[contenteditable]:focus {
    box-shadow: inset 0 0 0 1px rgba(41, 128, 185, 0.5);
}

/* live outputs mirror the nbsphinx output structure; only errors get extra styling */
.live-output .live-traceback pre {
    background: #fdf3f2;
    border-left: 3px solid #c0392b;
}

.live-output img {
    max-width: 100%;
}

.live-output .live-html {
    overflow-x: auto;
}

/* General docs fix (all pages, independent of live execution): nbsphinx cell
   containers have margin-bottom 0 and RTD-theme headings have margin-top 0,
   so a code cell that ends a section sits flush against the next heading.
   Restore the normal paragraph rhythm (24px) in that case. */
.rst-content div.nblast.container + section,
.rst-content div.nblast.container + h1,
.rst-content div.nblast.container + h2,
.rst-content div.nblast.container + h3,
.rst-content div.nblast.container + h4,
.rst-content section:has(> div.nblast.container:last-child) + section {
    margin-top: 24px;
}

/* floating session status pill (bottom offset clears the RTD version flyout) */
#live-status {
    position: fixed;
    right: 18px;
    bottom: 64px;
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: 360px;
    background: #fff;
    border: 1px solid #d4d4d4;
    border-radius: 999px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    padding: 6px 12px;
    font-size: 12.5px;
    color: #404040;
    z-index: 1000;
}

#live-status .live-dot {
    flex: none;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #999;
}

#live-status .live-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

#live-status.live-booting .live-dot,
#live-status.live-running .live-dot {
    background: #e67e22;
    animation: live-pulse 1.2s ease infinite;
}

#live-status.live-ready .live-dot { background: #27ae60; }
#live-status.live-error .live-dot { background: #c0392b; }

@keyframes live-pulse {
    50% { opacity: 0.3; }
}

#live-status .live-restart {
    flex: none;
    border: none;
    background: none;
    padding: 0 0 0 4px;
    color: #2980b9;
    font-size: 12.5px;
    cursor: pointer;
}

#live-status .live-restart:hover { text-decoration: underline; }

/* the runtime is too heavy for most mobile devices */
@media (max-width: 768px) {
    .live-run-btn,
    #live-status { display: none !important; }
}