/* Key Jam. Site colours from /styles.css (docs/BRAND.md). */
.kj { --kj-r: 14px; --kj-key: 46px; }
.kj [hidden] { display: none !important; }
.kj-sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.kj-muted { color: var(--muted); }
.kj-small { font-size: .88rem; }

/* ---- page head ---- */
.kj-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 10px 24px; margin-bottom: 18px; }
.kj-head h1 { margin: 0; font-size: 2.3rem; }
.kj-crumb { font-size: .9rem; margin: 0 0 2px; }
.kj-lede { margin: 6px 0 0; max-width: 64ch; color: var(--muted); }
.kj-tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.kj-tabs a { margin-left: 0; font: 600 .9rem var(--font-body); color: var(--ink); border: 1px solid var(--line); background: var(--surface); border-radius: 999px; padding: 7px 14px; }
.kj-tabs a:hover { text-decoration: none; border-color: var(--sage); }
.kj-tabs a[aria-current="page"] { background: var(--olive); border-color: var(--olive); color: var(--on-dark); }

/* ---- Key Sets ---- */
.kj-sets { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin: 0 0 16px; padding: 10px 14px; background: var(--chip); border-radius: 12px; }
.kj-sets-label { font: 700 .78rem var(--font-head); letter-spacing: .12em; text-transform: uppercase; color: var(--olive); margin-right: 4px; }
.kj-set { display: inline-flex; flex-direction: row; align-items: center; color: var(--ink); gap: 7px; background: var(--surface); border: 1px solid var(--line); border-radius: 999px; padding: 6px 12px 6px 9px; cursor: pointer; font-size: .92rem; user-select: none; }
.kj-set:has(input:checked) { border-color: var(--olive); box-shadow: inset 0 0 0 1px var(--olive); }
.kj-set input { accent-color: var(--olive); width: 16px; height: 16px; margin: 0; padding: 0; flex: none; }
.kj-set code { font: 500 .8rem var(--font-mono); color: var(--muted); }
.kj-sets-note { font-size: .85rem; color: var(--muted); margin-left: auto; }

.kj-note { margin: 0 0 16px; padding: 10px 14px; background: var(--thead); border-radius: 10px; font-size: .95rem; }
.kj-phone { margin: 0 0 16px; padding: 14px 16px; background: var(--sand); color: var(--on-light-accent); border-radius: 12px; }
.kj-phone strong { display: block; font-family: var(--font-head); font-size: 1.1rem; }

/* ---- buttons ---- */
.kj-btn { font: 600 .92rem var(--font-body); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 999px;
  padding: 8px 16px; min-height: 40px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; }
.kj-btn:hover { border-color: var(--sage); text-decoration: none; }
.kj-btn-primary { background: var(--rust); border-color: var(--rust); color: var(--on-rust); }
.kj-btn-primary:hover { background: var(--brick); border-color: var(--brick); }
.kj-btn-sm { padding: 4px 12px; min-height: 32px; font-size: .85rem; }
.kj-btn-quiet { background: none; border-color: transparent; color: var(--muted); }
.kj-btn-quiet:hover { color: var(--danger); border-color: transparent; text-decoration: underline; }
.kj-seg { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; background: var(--surface); }
.kj-seg button { border: 0; background: none; font: 600 .88rem var(--font-body); color: var(--muted); padding: 7px 14px; min-height: 38px; cursor: pointer; }
.kj-seg button.is-on { background: var(--olive); color: var(--on-dark); }
.kj-select { font: 500 .9rem var(--font-body); border: 1px solid var(--line); border-radius: 999px; padding: 7px 12px; background: var(--surface); color: var(--ink); }
.kj-btn-primary kbd.kj-kbd { background: transparent; color: inherit; border-color: rgba(255, 248, 238, .55); }
.kj-bar label { flex-direction: row; align-items: center; gap: 8px; color: var(--muted); }
kbd.kj-kbd { font: 600 .78rem var(--font-mono); background: var(--surface); border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 5px; padding: 1px 6px; }

/* ---- lobby ---- */
.kj-modes { list-style: none; padding: 0; margin: 0 0 28px; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.kj-mode { display: flex; flex-direction: column; gap: 6px; height: 100%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--kj-r); padding: 16px 18px; color: var(--ink); }
.kj-mode:hover { text-decoration: none; border-color: var(--olive); box-shadow: 0 2px 0 var(--olive); }
.kj-mode h2 { margin: 0; border: 0; padding: 0; font-size: 1.25rem; }
.kj-mode p { margin: 0; color: var(--muted); font-size: .94rem; }
.kj-mode-icon { font: 700 1.05rem var(--font-mono); color: var(--olive); background: var(--chip); border-radius: 8px; padding: 4px 9px; align-self: flex-start; }
.kj-mode-best { margin-top: auto !important; padding-top: 6px; font-size: .86rem !important; color: var(--olive) !important; font-weight: 600; }

.kj-panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--kj-r); padding: 18px 20px; margin-bottom: 18px; }
.kj-panel h2 { margin: 0 0 12px; font-size: 1.2rem; border: 0; padding: 0; }
.kj-panel-head { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin-bottom: 12px; }
.kj-panel-head h2 { margin: 0; }
.kj-grid2 { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.kj-mykeys-title { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; margin: 8px 0 14px; }
.kj-mykeys-title h2 { margin: 0; border: 0; padding: 0; font-size: 1.6rem; }
.kj-empty { color: var(--muted); font-size: .95rem; margin: 0; }

/* stat tiles */
.kj-tiles { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); margin-bottom: 18px; }
.kj-tile { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.kj-tile b { display: block; font: 700 1.7rem/1.1 var(--font-head); color: var(--ink); }
.kj-tile span { font-size: .84rem; color: var(--muted); }

/* tables */
.kj-table { width: 100%; border-collapse: collapse; font-size: .92rem; }
.kj-table th, .kj-table td { padding: 6px 8px; text-align: right; border-bottom: 1px solid var(--line); }
.kj-table th:first-child, .kj-table td:first-child { text-align: left; }
.kj-table thead th { font-weight: 600; color: var(--muted); background: var(--thead); }
.kj-table td.kj-none { color: var(--line); }

/* keyboard heatmap */
.kj-board { display: flex; flex-direction: column; gap: 5px; overflow-x: auto; padding-bottom: 4px; }
.kj-row { display: flex; gap: 5px; }
.kj-cap { position: relative; flex: none; width: var(--kj-key); height: var(--kj-key); border-radius: 8px; border: 1px solid var(--line); background: var(--page);
  font: 600 .95rem var(--font-mono); color: var(--muted); display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.05; padding: 0; cursor: default; }
.kj-cap small { font-size: .7rem; opacity: .8; }
.kj-cap.has-data { cursor: pointer; color: var(--ink); }
.kj-cap.is-dark { color: var(--on-dark); }
.kj-cap.is-off { opacity: .35; }
.kj-cap.is-picked { outline: 3px solid var(--ink); outline-offset: 1px; }
.kj-cap.kj-wide { width: calc(var(--kj-key) * 5.5); }
.kj-legend { display: flex; align-items: center; gap: 8px; margin-top: 10px; font-size: .82rem; color: var(--muted); }
.kj-legend-bar { width: 140px; height: 10px; border-radius: 5px; }
.kj-keyinfo { margin-top: 10px; min-height: 44px; font-size: .92rem; }
@media (max-width: 720px) { .kj { --kj-key: 30px; } .kj-cap { font-size: .75rem; border-radius: 6px; } .kj-cap small { display: none; } }

/* chips (Missed Keys, Key Pairs, Fixed Keys) */
.kj-chips { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.kj-chip { display: flex; align-items: center; gap: 10px; }
.kj-chip-key { flex: none; min-width: 40px; height: 36px; padding: 0 8px; border-radius: 8px; background: var(--page); border: 1px solid var(--line); border-bottom-width: 3px;
  font: 700 1.05rem var(--font-mono); display: inline-flex; align-items: center; justify-content: center; color: var(--ink); }
.kj-chip-bar { flex: 1; height: 8px; background: var(--chip); border-radius: 4px; overflow: hidden; min-width: 40px; }
.kj-chip-bar i { display: block; height: 100%; background: var(--rust); border-radius: 4px; }
.kj-chip-num { font-size: .86rem; color: var(--muted); min-width: 120px; text-align: right; }
.kj-fixed { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; padding: 0; margin: 0; }
.kj-fixed li { display: inline-flex; align-items: center; gap: 6px; background: var(--chip); border-radius: 999px; padding: 4px 12px 4px 4px; font-size: .86rem; }
.kj-fixed .kj-chip-key { height: 28px; min-width: 30px; font-size: .9rem; background: var(--surface); }

/* milestones */
.kj-milestones { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); }
.kj-ms { border: 1px dashed var(--line); border-radius: 12px; padding: 10px 12px; font-size: .86rem; color: var(--muted); }
.kj-ms b { display: block; font: 700 1rem var(--font-head); color: var(--muted); }
.kj-ms.is-earned { border: 1px solid var(--olive); background: var(--chip); color: var(--ink); }
.kj-ms.is-earned b { color: var(--olive); }
.kj-ms.is-earned b::before { content: "★ "; color: var(--rust); }

/* chart */
.kj-chart { position: relative; }
.kj-chart svg { display: block; width: 100%; height: auto; }
.kj-tip { position: absolute; pointer-events: none; background: var(--ink); color: var(--on-dark); font-size: .8rem; padding: 6px 9px; border-radius: 8px; white-space: nowrap; transform: translate(-50%, -110%); }

/* ---- typing ---- */
.kj-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin-bottom: 14px; }
.kj-bar .kj-spacer { flex: 1; }
.kj-live { display: flex; gap: 18px; font: 700 1.5rem var(--font-head); color: var(--olive); min-height: 2rem; }
.kj-live span small { font: 600 .78rem var(--font-body); color: var(--muted); margin-left: 4px; }
.kj-typebox { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--kj-r); padding: 22px 26px; cursor: text; }
.kj-typebox:focus-within, .kj-typebox.is-active { border-color: var(--olive); box-shadow: 0 0 0 3px rgba(59, 74, 30, .12); }
.kj-words { position: relative; height: calc(3 * 2.6rem); overflow: hidden; font: 500 1.6rem/2.6rem var(--font-mono); color: var(--muted); display: flex; flex-wrap: wrap; align-content: flex-start; column-gap: .6em; }
.kj-word { position: relative; white-space: nowrap; }
.kj-word.is-wrong { text-decoration: underline wavy var(--danger) 1px; text-underline-offset: 8px; }
.kj-l.ok { color: var(--ink); }
.kj-l.bad { color: var(--danger); background: rgba(158, 59, 43, .12); border-radius: 3px; }
.kj-l.extra { color: var(--danger); opacity: .7; }
.kj-caret { position: absolute; width: 3px; height: 2rem; background: var(--rust); border-radius: 2px; transition: left .06s linear, top .06s linear; animation: kj-blink 1s step-end infinite; }
.kj-typebox.is-active .kj-caret { animation: none; }
.kj-ghost { position: absolute; width: 3px; height: 2rem; background: var(--sage); opacity: .85; border-radius: 2px; transition: left .12s linear, top .12s linear; }
.kj-ghost::after { content: "ghost"; position: absolute; top: -16px; left: -12px; font: 600 .62rem var(--font-body); color: var(--olive); letter-spacing: .06em; text-transform: uppercase; }
@keyframes kj-blink { 50% { opacity: 0; } }
.kj-cover { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(255, 253, 246, .82); border-radius: var(--kj-r); font-weight: 600; color: var(--olive); }
.kj-hint { margin: 10px 2px 0; font-size: .86rem; color: var(--muted); }
.kj-targets { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 14px; }
.kj-target { font: 700 .95rem var(--font-mono); border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 5px 10px; cursor: pointer; color: var(--ink); }
.kj-target.is-on { background: var(--rust); border-color: var(--rust); color: var(--on-rust); }

/* results */
.kj-result { margin-top: 18px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--kj-r); padding: 20px 22px; }
.kj-result h2 { margin: 0 0 10px; border: 0; padding: 0; font-size: 1.35rem; }
.kj-big { display: flex; flex-wrap: wrap; gap: 10px 32px; margin-bottom: 12px; }
.kj-big div b { display: block; font: 700 2.6rem/1 var(--font-head); color: var(--ink); }
.kj-big div span { font-size: .85rem; color: var(--muted); }
.kj-cheers { list-style: none; padding: 0; margin: 0 0 12px; display: flex; flex-direction: column; gap: 6px; }
.kj-cheers li { background: var(--chip); border-radius: 10px; padding: 8px 12px; font-weight: 500; }
.kj-cheers li.is-fixed { background: var(--sand); color: var(--on-light-accent); }
.kj-cheers li::before { content: "★ "; color: var(--rust); }
.kj-result-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.kj-mixlist { margin: 6px 0 0; padding-left: 18px; font-size: .92rem; }
.kj-mixlist code { font: 600 .9rem var(--font-mono); background: var(--chip); padding: 0 5px; border-radius: 4px; }

/* ---- Picture Prompt ---- */
.kj-pic { display: grid; gap: 16px; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); align-items: start; }
@media (max-width: 860px) { .kj-pic { grid-template-columns: 1fr; } }
.kj-pic-img { width: 100%; height: auto; display: block; border-radius: var(--kj-r); border: 1px solid var(--line); background: var(--page); aspect-ratio: 8 / 5; }
.kj-pic textarea { width: 100%; min-height: 170px; resize: vertical; font: 500 1.15rem/1.6 var(--font-mono); color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: var(--kj-r); padding: 14px 16px; }
.kj-pic textarea:focus { outline: none; border-color: var(--olive); box-shadow: 0 0 0 3px rgba(59, 74, 30, .12); }
.kj-pic-meta { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-top: 8px; font-size: .88rem; color: var(--muted); }
.kj-sentence { font: 500 1.1rem/1.9 var(--font-mono); }
.kj-sentence .ok { color: var(--ink); }
.kj-sentence .wrong { color: var(--danger); text-decoration: underline wavy var(--danger) 1px; text-underline-offset: 5px; }
.kj-sentence .check { color: var(--wip); text-decoration: underline dotted var(--wip) 2px; text-underline-offset: 5px; }

/* ---- Key Drop ---- */
.kj-drop { position: relative; max-width: 960px; margin: 0 auto; border-radius: var(--kj-r); overflow: hidden; border: 1px solid var(--line); background: var(--page); }
.kj-drop canvas { display: block; width: 100%; height: auto; touch-action: none; }
.kj-hud { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 22px; margin-bottom: 10px; font-weight: 600; }
.kj-hud b { font: 700 1.5rem var(--font-head); color: var(--ink); margin-left: 4px; }
.kj-lives { display: inline-flex; gap: 4px; }
.kj-lives svg { width: 36px; height: 26px; }
.kj-lives svg.is-lost { opacity: .22; }
.kj-overlay { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px; text-align: center;
  background: rgba(245, 242, 230, .9); padding: 20px; }
.kj-overlay h2 { margin: 0; border: 0; padding: 0; font-size: 2rem; }
.kj-overlay p { margin: 0; max-width: 52ch; color: var(--muted); }
.kj-overlay .kj-result { text-align: left; margin-top: 4px; max-width: 640px; width: 100%; max-height: 100%; overflow: auto; }

/* credits */
.kj-credits { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.kj-credits img { width: 100%; height: auto; border-radius: 10px; border: 1px solid var(--line); display: block; }
.kj-credits span { display: block; font-size: .8rem; color: var(--muted); margin-top: 4px; }