:root {
	--bg: #0b0b0f;
	--border: rgba(255, 255, 255, .10);
	--muted: rgba(255, 255, 255, .72);
	--muted2: rgba(255, 255, 255, .55);
	--shadow: 0 12px 36px rgba(0, 0, 0, .45);
    
	/* ===== Base hues ===== */
	--hue-R: rgba(255, 92, 92, .80);
	--hue-B: rgba(255, 255, 255, .55);
	--hue-Y: rgba(255, 214, 102, .85);
	--hue-A: rgba(110, 168, 255, .80);
	--hue-P: rgba(199, 125, 255, .80);

	--ring: rgba(255, 255, 255, .92);
    
	--cell-bg: rgba(255, 255, 255, .05);
	--cell-bg-hover: rgba(255, 255, 255, .08);
	--cell-outline: rgba(255, 255, 255, .08);
    
	--sel-bg: rgba(255, 255, 255, .14);
	--sel-bg-focus: rgba(255, 255, 255, .22);
    
	--lift: 0 12px 24px rgba(0, 0, 0, .22);
    
	--dim-drag: .18;
	--dim-focus: .12;
}

* {
	box-sizing: border-box
}

body {
	margin: 0;
	font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
	background: #111;
	color: rgba(255, 255, 255, .92);
}

.wrap {
	max-width: 1200px;
	margin: 0 auto;
	padding: 24px
}

header h1 {
	margin: 0;
	font-size: 22px;
	letter-spacing: .2px;
}


header {
	text-align: center;
	padding: 10px 0 6px;
}


.layout {
	margin-top: 16px;
	display: grid;
	grid-template-columns: 1fr 390px;
	gap: 16px;
	align-items: start;
}

@media (max-width:980px) {
	.layout {
		grid-template-columns: 1fr
	}
}

.card {
	background: linear-gradient(180deg, rgba(255, 255, 255, .035), rgba(255, 255, 255, .02));
	border: 1px solid var(--border);
	border-radius: 18px;
	box-shadow: var(--shadow);
	overflow: hidden;
}

.toolbar {
	display: flex;
	justify-content: space-between;
	align-items: center;
	gap: 8px;
	padding: 12px 14px;
	border-bottom: 1px solid var(--border);
	background: rgba(0, 0, 0, .18);
}

.hint {
	font-size: 12px;
	color: var(--muted2)
}

.rowBtns {
	display: flex;
	gap: 8px;
	flex-wrap: wrap
}

.btn {
	appearance: none;
	border: 1px solid var(--border);
	background: rgba(255, 255, 255, .06);
	color: rgba(255, 255, 255, .92);
	border-radius: 12px;
	padding: 7px 10px;
	font-size: 13px;
	cursor: pointer;
}

.btn:hover {
	background: rgba(255, 255, 255, .085)
}

.btn.primary {
	background: rgba(255, 255, 255, .92);
	color: #0b0b0f;
	border-color: rgba(255, 255, 255, .92);
}

.btn.primary:hover {
	background: #fff
}

.btn:disabled {
	opacity: .5;
	cursor: not-allowed
}

.gridWrap {
	padding: 10px;
	overflow: auto
}

.grid {
	display: grid;
	gap: 3px;
	grid-template-columns: repeat(29, minmax(22px, 1fr));
	min-width: 660px;
	user-select: none;
}

.cell {
	height: 22px;
	display: flex;
	align-items: center;
	justify-content: center;
	border-radius: 7px;
	border: 1px solid var(--cell-outline);
	background: var(--cell-bg);
	cursor: pointer;
	font-size: 16px;
	line-height: 1;
	transition: opacity 120ms ease, transform 120ms ease, background 120ms ease, box-shadow 120ms ease;
}

.cell:hover {
	background: var(--cell-bg-hover)
}

.tone-R {
	color: var(--hue-R)
}

.tone-B {
	color: var(--hue-B)
}

.tone-Y {
	color: var(--hue-Y)
}

.tone-A {
	color: var(--hue-A)
}

.tone-P {
	color: var(--hue-P)
}

.cell.dim-drag {
	opacity: var(--dim-drag)
}

.cell.selected {
	background: var(--sel-bg);
	transform: translateY(-.5px);
	box-shadow: 0 0 0 2px var(--ring) inset, var(--lift);
}

.cell.dim-focus {
	opacity: var(--dim-focus)
}

.cell.focus-on {
	background: var(--sel-bg-focus);
	box-shadow: 0 0 0 2px var(--ring) inset, 0 0 24px rgba(255, 255, 255, .06), var(--lift);
}

.label {
	font-size: 11px;
	letter-spacing: .1em;
	text-transform: uppercase;
	color: var(--muted2)
}

.box {
	margin-top: 6px;
	background: rgba(0, 0, 0, .22);
	border: 1px solid var(--border);
	border-radius: 14px;
	padding: 10px;
	min-height: 44px;
	line-height: 1.4;
	word-break: break-word;
}

.status {
	margin-top: 8px;
	font-size: 12px;
	color: var(--muted2)
}

.status.err {
	color: rgba(255, 120, 120, .9)
}

.segments {
	margin-top: 10px;
	display: flex;
	flex-direction: column;
	gap: 10px
}

.segRow {
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	gap: 10px;
	padding: 8px 10px;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, .08);
	background: rgba(0, 0, 0, .16);
}

.segRow:hover {
	background: rgba(255, 255, 255, .06);
	border-color: rgba(255, 255, 255, .14);
}

.segLeft {
	min-width: 0;
	flex: 1
}

.small {
	font-size: 12px;
	color: var(--muted2)
}

.segRemove {
	appearance: none;
	border: 1px solid rgba(255, 255, 255, .16);
	background: rgba(255, 255, 255, .06);
	color: rgba(255, 255, 255, .88);
	border-radius: 10px;
	padding: 4px 8px;
	cursor: pointer;
	line-height: 1;
}

.segRemove:hover {
	background: rgba(255, 255, 255, .10)
}

.footer {
	margin-top: 14px;
	padding-top: 12px;
	border-top: 1px dashed rgba(255, 255, 255, .16);
	font-size: 12px;
	color: var(--muted2);
	line-height: 1.45;
}

.mono {
	font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

.hidden {
	display: none !important;
}

.linkBtn {
	appearance: none;
	border: none;
	background: transparent;
	color: rgba(255, 255, 255, .92);
	text-decoration: underline;
	cursor: pointer;
	padding: 0;
	font: inherit;
}

.linkBtn:hover {
	opacity: .85
}

.promptLine {
	margin-top: 8px
}

.submitPanel {
	margin-top: 10px;
	border: 1px solid rgba(255, 255, 255, .10);
	background: rgba(0, 0, 0, .18);
	border-radius: 14px;
	padding: 10px;
}

.input,
.textarea {
	width: 100%;
	margin-top: 8px;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, .12);
	background: rgba(255, 255, 255, .06);
	color: rgba(255, 255, 255, .92);
	padding: 8px 10px;
	font-size: 13px;
	outline: none;
}

.textarea {
	resize: vertical
}

.submitBtns {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 10px
}

.reviewPanel {
	margin-top: 6px;
	border: 1px solid rgba(255, 255, 255, .10);
	background: rgba(0, 0, 0, .18);
	border-radius: 14px;
	padding: 10px;
}

.reviewZh {
	margin-top: 8px
}

.reviewEn {
	margin-top: 6px;
	padding: 8px 10px;
	border-radius: 12px;
	border: 1px solid rgba(255, 255, 255, .10);
	background: rgba(255, 255, 255, .05);
}

.reviewBtns {
	display: flex;
	gap: 8px;
	flex-wrap: wrap;
	margin-top: 10px
}

header .intro {
	margin: 10px auto 0;
	color: var(--muted);
	max-width: 92ch;
	line-height: 1.55;
}

.siteFooter{
  margin-top: 16px;
  padding: 14px 14px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: rgba(0,0,0,.16);
  box-shadow: var(--shadow);
  text-align: center;
}

.footLine{
  color: var(--muted2);
  font-size: 13px;
  line-height: 1.5;
  display: flex;
  justify-content: center;
  gap: 6px;
  flex-wrap: wrap;
}

.siteFooter a {
	color: rgba(255, 255, 255, .92);
	text-decoration: underline;
	text-underline-offset: 3px;
}

.siteFooter a:hover {
	opacity: .85
}

:root {
	scrollbar-color: rgba(255, 255, 255, .20) rgba(0, 0, 0, .25);
	scrollbar-width: thin;
}

*::-webkit-scrollbar {
	width: 10px;
	height: 10px;
}

*::-webkit-scrollbar-track {
	background: rgba(0, 0, 0, .25);
	border-radius: 999px;
}

*::-webkit-scrollbar-thumb {
	background: rgba(255, 255, 255, .20);
	border: 2px solid rgba(0, 0, 0, .25);
	border-radius: 999px;
}

*::-webkit-scrollbar-thumb:hover {
	background: rgba(255, 255, 255, .28);
}