/* web/static/css/sandbox-panel.css
 *
 * Sandbox panel styles for the R2-B layout.
 * Posture is driven by data-posture="snap|float|max|popout" on the root.
 * All colours come from CivNode theme variables — never hardcoded.
 */

/* ── Root + posture-shared styles ──────────────────────────────────────── */

.sandbox-panel {
    position: fixed;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border);
    box-shadow: 0 12px 36px var(--shadow);
    transition: box-shadow 220ms ease, border-radius 220ms ease;
    overflow: hidden;
    overscroll-behavior: contain;
    min-width: 320px;
    min-height: 200px;
}

/* Stop wheel events from chaining past the panel and scrolling the page
   underneath. CodeMirror's .cm-scroller and the output pane are the two
   real scroll containers; .sandbox-panel above is the catch-all for wheels
   over non-scrollable chrome (title bar, mode chips, save strip). */
.sandbox-panel .cm-scroller,
.sandbox-panel__output {
    overscroll-behavior: contain;
}

/* ── data-posture="snap" — right-edge split takeover ───────────────────── */

.sandbox-panel[data-posture="snap"] {
    top: 0;
    right: 0;
    bottom: 0;
    width: var(--sandbox-snap-width, 50vw);
    height: 100vh;
    border-radius: 0;
    border-top: 0;
    border-right: 0;
    border-bottom: 0;
    border-left: 1px solid var(--border);
    box-shadow: -4px 0 16px var(--shadow);
}

/* ── data-posture="float" — movable dialog ─────────────────────────────── */

.sandbox-panel[data-posture="float"] {
    top:    var(--sandbox-y, auto);
    left:   var(--sandbox-x, auto);
    bottom: var(--sandbox-bottom, 32px);
    right:  var(--sandbox-right, 32px);
    width:  var(--sandbox-width,  780px);
    height: var(--sandbox-height, 520px);
    border-radius: var(--radius-lg);
}
.sandbox-panel[data-posture="float"][style*="--sandbox-x"] {
    bottom: auto;
    right:  auto;
}

/* ── data-posture="max" — full viewport ────────────────────────────────── */

.sandbox-panel[data-posture="max"] {
    inset: 0;
    border-radius: 0;
    border: 0;
    width: 100vw;
    height: 100vh;
}

/* ── data-posture="popout" — placeholder, panel hidden ─────────────────── */

.sandbox-panel[data-posture="popout"] {
    display: none;
}

/* ── Title bar ─────────────────────────────────────────────────────────── */

.sandbox-panel__bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 18px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    cursor: grab;
    user-select: none;
    flex-shrink: 0;
    gap: 12px;
}
.sandbox-panel__bar:active { cursor: grabbing; }

.sandbox-panel__title {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}
.sandbox-panel__title-icon {
    width: 16px; height: 16px;
    filter: var(--icon-filter);
    flex-shrink: 0;
}
.sandbox-panel__title strong {
    font-family: var(--font-serif);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.005em;
}
.sandbox-panel__ctx {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.sandbox-panel__ctx:not(:empty)::before { content: '· '; }

.sandbox-panel__hint {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
    padding: 3px 8px;
    background: var(--bg-secondary);
    border-radius: 10px;
    opacity: 0.7;
    white-space: nowrap;
}

/* ── Mode chips ────────────────────────────────────────────────────────── */

.sandbox-panel__modes {
    display: flex;
    gap: 3px;
    padding: 3px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}
.sandbox-panel__mode {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 0.74rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
}
.sandbox-panel__mode:hover { color: var(--text-primary); }
.sandbox-panel__mode img {
    width: 12px; height: 12px;
    filter: var(--icon-filter);
}
.sandbox-panel__mode.is-active {
    background: var(--accent-subtle);
    color: var(--accent);
}
.sandbox-panel__mode.is-active img {
    filter: none;
    opacity: 1;
}

.sandbox-panel__close {
    width: 28px; height: 28px;
    padding: 6px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.sandbox-panel__close img {
    width: 100%; height: 100%;
    filter: var(--icon-filter);
    opacity: 0.6;
}
.sandbox-panel__close:hover img { opacity: 1; }

/* ── Saves chip strip (Phase 3 populates) ──────────────────────────────── */

.sandbox-panel__saves {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 18px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    overflow-x: auto;
    flex-shrink: 0;
    min-height: 40px;
}
.sandbox-panel__saves-label {
    font-family: var(--font-mono);
    font-size: 0.68rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
    padding-right: 8px;
    border-right: 1px solid var(--border);
    margin-right: 4px;
}
.sandbox-panel__saves-empty {
    font-family: var(--font-sans);
    font-size: 0.78rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ── Editor + output body ──────────────────────────────────────────────── */

.sandbox-panel__body {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
}

.sandbox-panel__editor-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 18px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.74rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}
.sandbox-panel__editor-name {
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.82rem;
}
.sandbox-panel__run {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: var(--accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: var(--shadow-sm);
}
.sandbox-panel__run img {
    width: 11px; height: 11px;
    filter: var(--icon-filter-on-accent, none);
}

.sandbox-panel__editor-host {
    flex: 1;
    background: var(--bg-primary);
    overflow: hidden;
    min-height: 0;
}

/* ── Input pane (collapsible stdin) ───────────────────────────────────── */

.sandbox-panel__input-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 18px;
    background: var(--bg-elevated);
    border: none;
    border-top: 1px solid var(--border-subtle);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    cursor: pointer;
    flex-shrink: 0;
    text-align: left;
}
.sandbox-panel__input-bar:hover {
    color: var(--text-secondary);
}
.sandbox-panel__input-bar-label {
    color: var(--text-secondary);
    font-weight: 500;
}
.sandbox-panel__input-bar-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: transparent;
    border: 1px solid color-mix(in srgb, var(--text-muted) 50%, transparent);
    flex-shrink: 0;
}
.sandbox-panel__input-bar-dot.is-on {
    background: var(--accent);
    border-color: var(--accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 25%, transparent);
}
.sandbox-panel__input-bar-hint {
    flex: 1;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-muted);
    font-size: 0.74rem;
}
.sandbox-panel__input-bar-chevron {
    width: 12px;
    height: 12px;
    transition: transform 120ms ease;
    filter: var(--icon-filter);
    opacity: 0.7;
}
.sandbox-panel__input-bar[aria-expanded="true"] .sandbox-panel__input-bar-chevron {
    transform: rotate(180deg);
}

.sandbox-panel__input {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: 10px 18px;
    margin: 0;
    border: none;
    border-bottom: 1px solid var(--border-subtle);
    outline: none;
    resize: vertical;
    min-height: 48px;
    max-height: 180px;
    height: 70px;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.45;
    flex-shrink: 0;
    width: 100%;
    box-sizing: border-box;
}
.sandbox-panel__input::placeholder {
    color: var(--text-muted);
    font-style: italic;
}
.sandbox-panel__input:focus {
    background: color-mix(in srgb, var(--bg-primary) 80%, var(--bg-elevated));
}
.sandbox-panel__input[hidden] {
    display: none !important;
}

.sandbox-panel__output-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 18px;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    flex-shrink: 0;
}
.sandbox-panel__output-status {
    color: var(--text-secondary);
    text-transform: none;
    letter-spacing: 0;
    font-weight: 500;
}
.sandbox-panel__output-status.is-ok  { color: color-mix(in srgb, var(--accent) 60%, var(--text-primary)); }
.sandbox-panel__output-status.is-err { color: color-mix(in srgb, var(--danger, color-mix(in srgb, var(--accent) 30%, var(--text-secondary))) 70%, var(--text-primary)); }

.sandbox-panel__output {
    background: var(--bg-primary);
    color: var(--text-secondary);
    padding: 14px 18px;
    margin: 0;
    overflow: auto;
    font-family: var(--font-mono);
    font-size: 0.84rem;
    line-height: 1.55;
    height: 30%;
    min-height: 80px;
    flex-shrink: 0;
}

/* ── Snap-zone hint (visible during drag near the right edge) ──────────── */

.sandbox-panel__snap-hint {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 8px;
    background: color-mix(in srgb, var(--accent) 80%, transparent);
    box-shadow: 0 0 24px color-mix(in srgb, var(--accent) 40%, transparent);
    opacity: 0;
    pointer-events: none;
    transition: opacity 140ms ease;
    z-index: 1001;
}
.sandbox-panel.is-snap-target .sandbox-panel__snap-hint { opacity: 1; }

/* ── Corner resize handle (visible in float + max) ─────────────────────── */

.sandbox-panel__resize {
    position: absolute;
    bottom: 0; right: 0;
    width: 18px; height: 18px;
    cursor: nwse-resize;
    z-index: 5;
    display: none;
}
.sandbox-panel__resize::before {
    content: '';
    position: absolute;
    inset: 4px;
    background: linear-gradient(135deg,
        transparent 50%, var(--text-muted) 50%, var(--text-muted) 60%,
        transparent 60%, transparent 70%, var(--text-muted) 70%,
        var(--text-muted) 80%, transparent 80%);
    opacity: 0.5;
}
.sandbox-panel[data-posture="float"] .sandbox-panel__resize { display: block; }

/* ── Theme-aware thin scrollbars (carry-forward from Phase 1) ──────────── */

.sandbox-panel,
.sandbox-panel * {
    scrollbar-width: thin;
    scrollbar-color: color-mix(in srgb, var(--text-muted) 35%, transparent) transparent;
}
.sandbox-panel ::-webkit-scrollbar,
.sandbox-panel::-webkit-scrollbar { width: 8px; height: 8px; }
.sandbox-panel ::-webkit-scrollbar-track,
.sandbox-panel::-webkit-scrollbar-track { background: transparent; }
.sandbox-panel ::-webkit-scrollbar-thumb,
.sandbox-panel::-webkit-scrollbar-thumb {
    background: color-mix(in srgb, var(--text-muted) 35%, transparent);
    border-radius: 4px;
    border: 1px solid transparent;
    background-clip: padding-box;
}
.sandbox-panel ::-webkit-scrollbar-thumb:hover,
.sandbox-panel::-webkit-scrollbar-thumb:hover {
    background: color-mix(in srgb, var(--text-muted) 65%, transparent);
}
.sandbox-panel ::-webkit-scrollbar-corner,
.sandbox-panel::-webkit-scrollbar-corner { background: transparent; }

/* ── Save chips (Phase 3) ─────────────────────────────────────────────── */

.sandbox-panel__chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 14px;
    font-size: 0.74rem;
    color: var(--text-secondary);
    cursor: pointer;
    white-space: nowrap;
    font-family: var(--font-sans);
    flex-shrink: 0;
    transition: border-color 120ms ease, background 120ms ease;
}
.sandbox-panel__chip:hover {
    border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
}
.sandbox-panel__chip.is-current {
    background: color-mix(in srgb, var(--accent) 14%, var(--bg-elevated));
    border-color: color-mix(in srgb, var(--accent) 50%, var(--border));
    color: var(--accent);
}

.sandbox-panel__chip-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    flex-shrink: 0;
    background: color-mix(in srgb, var(--text-muted) 60%, transparent);
}
/* Status dots derive purely from theme variables (no hex anchors).
   ok:    accent → text-secondary mix reads as a soft green-ish in most themes
   panic: error theme var with text-primary darken; falls back to a muted red
   draft: full accent */
.sandbox-panel__chip-dot.is-ok    { background: color-mix(in srgb, var(--accent) 60%, var(--text-secondary)); }
.sandbox-panel__chip-dot.is-panic { background: color-mix(in srgb, var(--error, color-mix(in srgb, var(--accent) 30%, var(--text-secondary))) 80%, var(--text-primary)); }
.sandbox-panel__chip-dot.is-draft { background: var(--accent); }

.sandbox-panel__chip-name {
    max-width: 16ch;
    overflow: hidden;
    text-overflow: ellipsis;
    font-weight: 500;
}
.sandbox-panel__chip-when {
    font-family: var(--font-mono);
    font-size: 0.66rem;
    color: var(--text-muted);
}
.sandbox-panel__chip.is-current .sandbox-panel__chip-when {
    color: color-mix(in srgb, var(--accent) 70%, var(--text-muted));
}

.sandbox-panel__saves-counter {
    margin-left: auto;
    flex-shrink: 0;
    padding: 3px 9px;
    background: var(--bg-elevated);
    border-radius: 8px;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ── Popout posture: hide the editor body, show the badge ─────────────── */

/* Override Phase 2's `display: none` for popout — we want a small visible badge. */
.sandbox-panel[data-posture="popout"] {
    display: flex;                    /* override the Phase 2 `display: none` */
    flex-direction: column;
    top: auto;
    left: auto;
    bottom: 24px;
    right: 24px;
    width: 360px;
    height: auto;
    border-radius: var(--radius-lg);
}

.sandbox-panel[data-posture="popout"] .sandbox-panel__saves,
.sandbox-panel[data-posture="popout"] .sandbox-panel__body,
.sandbox-panel[data-posture="popout"] .sandbox-panel__resize {
    display: none;
}

.sandbox-panel__popout-badge {
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
    padding: 18px 20px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}
.sandbox-panel[data-posture="popout"] .sandbox-panel__popout-badge {
    display: flex;
}

.sandbox-panel__popout-icon {
    align-self: center;
    width: 40px;
    height: 40px;
    padding: 10px;
    background: color-mix(in srgb, var(--accent) 14%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
    border-radius: 50%;
}
.sandbox-panel__popout-icon img {
    width: 100%; height: 100%;
    filter: var(--icon-filter);
}

.sandbox-panel__popout-msg {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: center;
}
.sandbox-panel__popout-msg strong {
    font-family: var(--font-serif);
    font-size: 0.96rem;
    color: var(--text-primary);
}
.sandbox-panel__popout-msg span {
    font-size: 0.84rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.sandbox-panel__popout-bringback {
    align-self: center;
    padding: 8px 18px;
    background: var(--accent);
    color: var(--text-on-accent);
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.sandbox-panel__popout-bringback:hover {
    background: var(--accent-hover);
}

/* ── Save chip context menu (Phase 5) ─────────────────────────────────── */

.sandbox-ctxmenu {
    position: fixed;
    min-width: 180px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 4px;
    display: flex;
    flex-direction: column;
    gap: 1px;
    z-index: 1100;
    font-family: var(--font-sans);
}
.sandbox-ctxmenu__item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 7px 10px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 0.84rem;
    text-align: left;
    cursor: pointer;
    border-radius: var(--radius-sm);
}
.sandbox-ctxmenu__item:hover {
    background: color-mix(in srgb, var(--accent) 12%, transparent);
    color: var(--accent);
}
.sandbox-ctxmenu__item.is-danger {
    color: color-mix(in srgb, var(--danger, color-mix(in srgb, var(--accent) 30%, var(--text-secondary))) 80%, var(--text-primary));
}
.sandbox-ctxmenu__item.is-danger:hover {
    background: color-mix(in srgb, var(--danger, color-mix(in srgb, var(--accent) 30%, var(--text-secondary))) 18%, transparent);
}
.sandbox-ctxmenu__icon {
    width: 13px;
    height: 13px;
    filter: var(--icon-filter);
    opacity: 0.75;
    flex-shrink: 0;
}
.sandbox-ctxmenu__sep {
    height: 1px;
    background: var(--border);
    margin: 4px 6px;
}

/* Pin marker on chips */
.sandbox-panel__chip[data-pinned="true"]::before {
    content: '';
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    margin-right: 6px;
}