/*! CSS Portal — CSS Position Visualizer */
.pv { --pv-c: #64748b; display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; }
.pv [hidden] { display: none !important; }
.pv .gt-card__head { flex-wrap: wrap; gap: 8px 14px; }
.pv .gt-card__head h2 { margin: 0; }

/* scene tabs */
.pv-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; }
.pv .pv-tab { display: inline-flex; align-items: center; gap: 8px; height: 36px; margin: 0; padding: 0 14px; font: 600 13px/1 var(--ct-mono); color: var(--ct-text); background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 999px; cursor: pointer; transition: border-color .15s, background .15s, color .15s; }
.pv .pv-tab::before { content: ""; width: 8px; height: 8px; flex: none; background: var(--c); border-radius: 50%; }
.pv .pv-tab:hover { border-color: var(--c); }
.pv .pv-tab:focus-visible { outline: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--c) 30%, transparent); }
.pv .pv-tab.is-active { color: #fff; background: var(--c); border-color: var(--c); }
.pv .pv-tab.is-active::before { background: #fff; }

/* main grid */
.pv-grid { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 16px; align-items: start; }
@media (max-width: 960px) {
	.pv-grid { grid-template-columns: minmax(0, 1fr); }
	/* description → preview → controls → code */
	.pv-grid > .pv-side, .pv-grid > .pv-stage { display: contents; }
	.pv-side > :first-child { order: 1; }
	.pv-stage > :first-child { order: 2; }
	.pv-side > :last-child { order: 3; }
	.pv-stage > :last-child { order: 4; }
}
@media (max-width: 560px) {
	.pv-tabs { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; }
	.pv .pv-tab { flex: none; }
	.pv-hint { margin-left: 0; }
}
.pv-side, .pv-stage { display: grid; grid-template-columns: minmax(0, 1fr); gap: 16px; min-width: 0; }

/* description */
.pv-desc { padding: 16px; border-top: 4px solid var(--pv-c); border-radius: inherit; }
.pv .pv-desc h2 { margin: 0 0 8px; font: 700 18px/1.3 var(--ct-mono); color: var(--pv-c); }
.pv-desc p { margin: 0 0 12px; font-size: 14px; line-height: 1.6; color: var(--ct-text); }
.pv .pv-keys { display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; list-style: none; }
.pv .pv-keys li { margin: 0; padding: 3px 10px; font-size: 12px; font-weight: 600; line-height: 1.5; color: var(--pv-c); background: color-mix(in srgb, var(--pv-c) 12%, transparent); border-radius: 999px; }

/* controls */
.pv-controls { display: grid; gap: 14px; padding: 16px; }
.pv-ctrl { display: grid; gap: 6px; margin: 0; min-width: 0; font-size: 13px; font-weight: 600; color: var(--ct-text); }
.pv-ctrl > span { display: flex; justify-content: space-between; gap: 8px; padding: 0; }
.pv-ctrl output { font: 600 12.5px/1.4 var(--ct-mono); color: var(--pv-c); }
.pv-ctrl input[type="range"] { width: 100%; margin: 0; accent-color: var(--pv-c); }
.pv-ctrl select { box-sizing: border-box; width: 100%; height: 36px; margin: 0; padding: 0 10px; font: 500 13.5px/1 var(--ct-mono); color: var(--ct-text); background: var(--ct-bg); border: 1px solid var(--ct-border); border-radius: 8px; outline: none; }
.pv-ctrl select:focus-visible { border-color: var(--pv-c); box-shadow: 0 0 0 3px color-mix(in srgb, var(--pv-c) 25%, transparent); }
.pv .pv-switch { margin: 0; font-size: 13px; font-weight: 500; line-height: 1.4; }
.pv .pv-switch input:checked + .ct-switch__track { background: var(--pv-c); }
.pv .pv-reset { justify-self: start; }

/* preview */
.pv-hint { margin-left: auto; font-size: 12.5px; color: var(--ct-muted); }
.pv-framewrap { padding: 12px; background: var(--ct-surface); border-radius: 0 0 var(--ct-radius) var(--ct-radius); }
.pv-frame { display: block; width: 100%; height: 380px; margin: 0; background: #f8fafc; border: 1px solid var(--ct-border); border-radius: 10px; }
.pv-frame--tall { height: 470px; }
@media (max-width: 560px) { .pv-frame { height: 340px; } .pv-frame--tall { height: 440px; } }

/* debugger status */
.pv-status { padding: 0 16px 16px; }
.pv .pv-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 10px; padding: 0; list-style: none; }
.pv .pv-chips li { display: inline-flex; align-items: center; gap: 6px; margin: 0; padding: 4px 10px; font-size: 12.5px; font-weight: 600; line-height: 1.4; border-radius: 999px; }
.pv .pv-chips li.is-ok { color: var(--ct-ok); background: color-mix(in srgb, var(--ct-ok) 12%, transparent); }
.pv .pv-chips li.is-warn { color: var(--ct-warn); background: color-mix(in srgb, var(--ct-warn) 14%, transparent); }
.pv .pv-chips li.is-bad { color: var(--ct-err); background: color-mix(in srgb, var(--ct-err) 12%, transparent); }
.pv .pv-explain { display: flex; gap: 8px; margin: 0; padding: 10px 12px; font-size: 13.5px; line-height: 1.55; color: var(--ct-text); background: var(--ct-surface); border-left: 3px solid var(--pv-c); border-radius: 6px; }
.pv .pv-explain i { flex: none; margin-top: 2px; color: var(--pv-c); }

/* code */
.pv [data-pv="code"] { margin: 0; }
.pv [data-pv="code"] .ce, .pv [data-pv="code"].ce { height: 240px; }

html.dark-mode .pv .pv-tab.is-active { color: #fff; }