/* Word Ladder — every rule is scoped under .wl-game so theme styles don't leak in or out. */

.wl-game {
	--wl-bg: #E7ECE8; --wl-surface: #F6F8F5; --wl-ink: #16232E; --wl-muted: #56666B; --wl-line: #C7D1CB;
	--wl-rail: #9C7A4C; --wl-rail-2: #B8935F; --wl-accent: #1F6B57; --wl-accent-ink: #FFFFFF;
	--wl-hi: #E4A937; --wl-hi-ink: #2A1C00; --wl-match: #CFE6DA; --wl-err: #A83C2B;
	--wl-tile: #FFFFFF; --wl-tile-edge: #AEBBB4;
	--wl-display: "Young Serif", Georgia, "Times New Roman", serif;
	--wl-body: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
	--wl-mono: "Chivo Mono", ui-monospace, "Cascadia Mono", Consolas, monospace;
	color-scheme: light;
}
.wl-game[data-theme="dark"] {
	color-scheme: dark;
	--wl-bg: #11181C; --wl-surface: #18232A; --wl-ink: #E2E9E5; --wl-muted: #8FA19B; --wl-line: #2A3940;
	--wl-rail: #8E6D43; --wl-rail-2: #B38D5A; --wl-accent: #5DBE9E; --wl-accent-ink: #0B1A15;
	--wl-hi: #E8B24A; --wl-hi-ink: #231700; --wl-match: #1E4035; --wl-err: #E27461;
	--wl-tile: #1F2C33; --wl-tile-edge: #3A4C54;
}
@media (prefers-color-scheme: dark) {
	.wl-game[data-theme="auto"] {
		color-scheme: dark;
		--wl-bg: #11181C; --wl-surface: #18232A; --wl-ink: #E2E9E5; --wl-muted: #8FA19B; --wl-line: #2A3940;
		--wl-rail: #8E6D43; --wl-rail-2: #B38D5A; --wl-accent: #5DBE9E; --wl-accent-ink: #0B1A15;
		--wl-hi: #E8B24A; --wl-hi-ink: #231700; --wl-match: #1E4035; --wl-err: #E27461;
		--wl-tile: #1F2C33; --wl-tile-edge: #3A4C54;
	}
}

.wl-game, .wl-game *, .wl-game *::before, .wl-game *::after { box-sizing: border-box; }
.wl-game [hidden] { display: none !important; }

.wl-game {
	background: var(--wl-bg); color: var(--wl-ink); font: 16px/1.5 var(--wl-body);
	max-width: 600px; margin: 1.5em auto; padding: 24px 20px 28px; border-radius: 18px;
	display: flex; flex-direction: column; gap: 20px; text-align: left;
}

.wl-game .wl-head { display: flex; flex-direction: column; gap: 6px; }
.wl-game .wl-title { font: 400 clamp(2rem, 7vw, 2.6rem)/1 var(--wl-display); margin: 0; padding: 0; letter-spacing: -.01em; color: var(--wl-ink); text-transform: none; border: 0; }
.wl-game .wl-lede { margin: 0; color: var(--wl-muted); max-width: 52ch; font-size: .95rem; }

/* Buttons: reset whatever the theme applies, then style. */
.wl-game button, .wl-game select {
	appearance: none; -webkit-appearance: none; margin: 0; min-height: 0; width: auto; line-height: 1.2;
	text-transform: none; letter-spacing: normal; text-decoration: none; text-shadow: none; box-shadow: none;
}
.wl-game .wl-bar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; }
.wl-game .wl-tabs { display: flex; flex-wrap: wrap; gap: 4px; background: var(--wl-surface); border: 1px solid var(--wl-line); border-radius: 999px; padding: 3px; }
.wl-game .wl-tab { border: 0; background: transparent; color: var(--wl-muted); font: 600 .85rem var(--wl-body); padding: 6px 14px; border-radius: 999px; cursor: pointer; }
.wl-game .wl-tab[aria-pressed="true"] { background: var(--wl-ink); color: var(--wl-bg); }
.wl-game .wl-length { font: 500 .85rem var(--wl-body); color: var(--wl-ink); background: var(--wl-surface); border: 1px solid var(--wl-line); border-radius: 8px; padding: 6px 10px; }
.wl-game .wl-setnav { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }

.wl-game .wl-btn { font: 600 .9rem var(--wl-body); padding: 9px 16px; border-radius: 10px; border: 1px solid var(--wl-line); background: var(--wl-surface); color: var(--wl-ink); cursor: pointer; }
.wl-game .wl-btn:hover { border-color: var(--wl-ink); background: var(--wl-surface); color: var(--wl-ink); }
.wl-game .wl-btn.wl-primary { background: var(--wl-accent); border-color: var(--wl-accent); color: var(--wl-accent-ink); }
.wl-game .wl-btn.wl-sm { padding: 6px 12px; font-size: .85rem; font-variant-numeric: tabular-nums; }
.wl-game .wl-btn:disabled { opacity: .45; cursor: default; border-color: var(--wl-line); }
.wl-game button:focus-visible, .wl-game select:focus-visible { outline: 3px solid var(--wl-accent); outline-offset: 2px; }

/* Collection grid */
.wl-game .wl-grid { background: var(--wl-surface); border: 1px solid var(--wl-line); border-radius: 14px; padding: 14px 16px; display: flex; flex-direction: column; gap: 12px; }
.wl-game .wl-progress { margin: 0; font-weight: 600; font-variant-numeric: tabular-nums; }
.wl-game .wl-grid-note { margin: 0 0 6px; font: 600 .72rem var(--wl-body); text-transform: uppercase; letter-spacing: .08em; color: var(--wl-muted); }
.wl-game .wl-cells { display: grid; grid-template-columns: repeat(auto-fill, minmax(38px, 1fr)); gap: 5px; }
.wl-game .wl-cell { font: 600 .78rem var(--wl-mono); font-variant-numeric: tabular-nums; aspect-ratio: 1; border-radius: 7px; border: 1px solid var(--wl-line); background: var(--wl-bg); color: var(--wl-muted); cursor: pointer; padding: 0; position: relative; }
.wl-game .wl-cell:hover { border-color: var(--wl-ink); color: var(--wl-ink); }
.wl-game .wl-cell::after { content: ""; position: absolute; left: 7px; bottom: 5px; height: 3px; border-radius: 2px; background: currentColor; opacity: .55; }
.wl-game .wl-cell.wl-l1::after { width: 6px; }
.wl-game .wl-cell.wl-l2::after { width: 12px; }
.wl-game .wl-cell.wl-l3::after { width: 20px; }
.wl-game .wl-cell.wl-par { background: var(--wl-accent); border-color: var(--wl-accent); color: var(--wl-accent-ink); }
.wl-game .wl-cell.wl-solved { background: var(--wl-match); border-color: var(--wl-accent); color: var(--wl-ink); }
.wl-game .wl-cell.wl-going { border-color: var(--wl-hi); color: var(--wl-ink); box-shadow: inset 0 -3px 0 var(--wl-hi); }
.wl-game .wl-cell.wl-going::after { bottom: 7px; }
.wl-game .wl-cell.wl-revealed { opacity: .5; text-decoration: line-through; }
.wl-game .wl-cell[aria-current="true"] { outline: 2px solid var(--wl-ink); outline-offset: 1px; }
.wl-game .wl-legend { margin: 0; font-size: .78rem; color: var(--wl-muted); display: flex; flex-wrap: wrap; align-items: center; gap: 4px 6px; }
.wl-game .wl-key { display: inline-block; width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--wl-line); background: var(--wl-bg); margin-left: 6px; }
.wl-game .wl-key:first-child { margin-left: 0; }
.wl-game .wl-key.wl-par { background: var(--wl-accent); border-color: var(--wl-accent); }
.wl-game .wl-key.wl-solved { background: var(--wl-match); border-color: var(--wl-accent); }
.wl-game .wl-key.wl-going { border-color: var(--wl-hi); box-shadow: inset 0 -3px 0 var(--wl-hi); }
.wl-game .wl-key.wl-revealed { opacity: .5; }
.wl-game .wl-len-key { display: inline-block; height: 3px; border-radius: 2px; background: var(--wl-muted); margin-left: 6px; vertical-align: middle; }
.wl-game .wl-len-1 { width: 6px; margin-left: 0; }
.wl-game .wl-len-2 { width: 12px; }
.wl-game .wl-len-3 { width: 20px; }

/* Puzzle header */
.wl-game .wl-puzzle { display: flex; justify-content: space-between; align-items: baseline; flex-wrap: wrap; gap: 4px 16px; border-top: 1px solid var(--wl-line); border-bottom: 1px solid var(--wl-line); padding: 10px 0; }
.wl-game .wl-pair { font: 400 1.35rem var(--wl-display); }
.wl-game .wl-arrow { color: var(--wl-muted); padding: 0 6px; }
.wl-game .wl-meta { display: flex; gap: 14px; font-size: .85rem; color: var(--wl-muted); font-variant-numeric: tabular-nums; }
.wl-game .wl-meta b { color: var(--wl-ink); font-weight: 700; }

/* The ladder */
.wl-game .wl-ladder { position: relative; padding: 8px 34px; display: flex; flex-direction: column; gap: 10px; }
.wl-game .wl-ladder::before, .wl-game .wl-ladder::after { content: ""; position: absolute; top: 0; bottom: 0; width: 10px; border-radius: 5px; background: linear-gradient(90deg, var(--wl-rail), var(--wl-rail-2), var(--wl-rail)); }
.wl-game .wl-ladder::before { left: 12px; }
.wl-game .wl-ladder::after { right: 12px; }
.wl-game .wl-chain { display: flex; flex-direction: column; gap: 10px; }
.wl-game .wl-rung { position: relative; display: flex; justify-content: center; gap: clamp(5px, 1.6vw, 9px); padding: 2px 0; }
.wl-game .wl-rung::before { content: ""; position: absolute; left: -22px; right: -22px; top: 50%; height: 8px; margin-top: -4px; background: var(--wl-rail); opacity: .55; border-radius: 4px; z-index: 0; }
.wl-game .wl-num { position: absolute; left: -34px; top: 50%; transform: translate(-100%, -50%); font: 600 .75rem var(--wl-mono); color: var(--wl-muted); font-variant-numeric: tabular-nums; padding-right: 6px; }
.wl-game .wl-tile {
	position: relative; z-index: 1; width: clamp(44px, 13vw, 60px); aspect-ratio: 1; max-width: 100%; display: grid; place-items: center;
	font: 700 clamp(1.3rem, 5.5vw, 1.9rem)/1 var(--wl-mono); text-transform: uppercase; background: var(--wl-tile); border: 2px solid var(--wl-tile-edge);
	border-radius: 10px; color: var(--wl-ink); box-shadow: 0 2px 0 var(--wl-tile-edge);
}
.wl-game .wl-tile.wl-changed { background: var(--wl-hi); border-color: var(--wl-hi); color: var(--wl-hi-ink); box-shadow: 0 2px 0 color-mix(in srgb, var(--wl-hi) 60%, #000); }
.wl-game .wl-rung.wl-start .wl-tile, .wl-game .wl-rung.wl-goal .wl-tile { background: var(--wl-accent); border-color: var(--wl-accent); color: var(--wl-accent-ink); box-shadow: 0 2px 0 color-mix(in srgb, var(--wl-accent) 60%, #000); }
.wl-game .wl-rung.wl-target .wl-tile { background: transparent; border-style: dashed; color: var(--wl-muted); box-shadow: none; }
.wl-game .wl-rung.wl-target .wl-tile.wl-match { background: var(--wl-match); border-style: solid; border-color: var(--wl-accent); color: var(--wl-ink); }
.wl-game .wl-rung.wl-step { cursor: pointer; }
.wl-game .wl-rung.wl-step:hover .wl-tile { border-color: var(--wl-accent); }

.wl-game .wl-entry { position: relative; display: flex; justify-content: center; gap: clamp(5px, 1.6vw, 9px); padding: 2px 0; margin: 0; cursor: text; font-weight: inherit; }
.wl-game .wl-entry .wl-tile { background: var(--wl-surface); }
.wl-game .wl-entry .wl-tile.wl-diff { border-color: var(--wl-hi); }
.wl-game .wl-entry .wl-tile.wl-caret::after { content: ""; position: absolute; bottom: 9px; left: 25%; right: 25%; height: 3px; border-radius: 2px; background: var(--wl-accent); animation: wl-blink 1s steps(1) infinite; }
.wl-game .wl-entry .wl-tile.wl-hintpos { outline: 3px dashed var(--wl-accent); outline-offset: 3px; }
.wl-game .wl-entry:focus-within .wl-tile { border-color: var(--wl-accent); }
.wl-game .wl-entry.wl-shake { animation: wl-shake .35s; }
.wl-game .wl-entry input.wl-guess {
	position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; font-size: 16px; margin: 0; padding: 0;
	border: 0; background: transparent; box-shadow: none; cursor: text; min-height: 0;
}
@keyframes wl-blink { 50% { opacity: 0; } }
@keyframes wl-shake { 20%, 60% { transform: translateX(-6px); } 40%, 80% { transform: translateX(6px); } }

.wl-game .wl-gap { text-align: center; font-size: .8rem; color: var(--wl-muted); position: relative; z-index: 1; }
.wl-game .wl-gap span { background: var(--wl-bg); padding: 2px 10px; border-radius: 999px; }

.wl-game .wl-msg { min-height: 1.5em; text-align: center; font-weight: 600; font-size: .95rem; margin: 0; }
.wl-game .wl-msg.wl-err { color: var(--wl-err); }
.wl-game .wl-msg.wl-ok { color: var(--wl-accent); }

.wl-game .wl-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

.wl-game .wl-result { background: var(--wl-surface); border: 1px solid var(--wl-line); border-radius: 14px; padding: 18px 20px; display: flex; flex-direction: column; gap: 10px; text-align: center; }
.wl-game .wl-r-title { font: 400 1.6rem/1.1 var(--wl-display); margin: 0; padding: 0; color: var(--wl-ink); text-wrap: balance; text-transform: none; }
.wl-game .wl-result p { margin: 0; color: var(--wl-muted); }
.wl-game .wl-path { font: 600 .95rem var(--wl-mono); letter-spacing: .04em; color: var(--wl-ink); word-break: break-word; }

.wl-game .wl-about { font-size: .9rem; color: var(--wl-muted); margin: 0; }
.wl-game .wl-about summary { cursor: pointer; font-weight: 600; color: var(--wl-ink); }
.wl-game .wl-about p { margin: .5em 0 0; max-width: 60ch; }

@media (prefers-reduced-motion: reduce) {
	.wl-game .wl-entry.wl-shake, .wl-game .wl-entry .wl-tile.wl-caret::after { animation: none; }
}
@media (max-width: 440px) {
	.wl-game { padding: 20px 16px 24px; }
	.wl-game .wl-ladder { padding: 8px 26px; }
	.wl-game .wl-ladder::before { left: 6px; }
	.wl-game .wl-ladder::after { right: 6px; }
	.wl-game .wl-rung::before { left: -18px; right: -18px; }
	.wl-game .wl-num { display: none; }
}