/* owned by the pro-test builder (docs/pro-contract.md) — test screen, caret, funbox visuals.
   Colours only via theme variables (contract §2). */

.ks-page { max-width: 1100px; }
.ks-test { --ks-size: clamp(1.15rem, 2.4vw, 1.6rem); --ks-lh: 1.9; display: flex; flex-direction: column; gap: 14px; }

/* focus mode: fade chrome while typing */
body.ks-focus .topbar,
body.ks-focus .ks-modebar,
body.ks-focus .ks-footer,
body.ks-focus .ks-panel { opacity: 0; pointer-events: none; }
.topbar, .ks-modebar, .ks-footer { transition: opacity 0.25s ease; }

/* mode bar: labelled groups of segmented buttons, two rows */
.ks-modebar {
  display: flex; flex-direction: column; align-items: center; gap: 10px; padding: 12px 14px;
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 14px; font-size: 0.85rem;
}
.ks-mb-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: center; gap: 10px 18px; }
.ks-mb-field { display: flex; flex-direction: column; align-items: flex-start; gap: 4px; }
.ks-mb-field > .ks-mb-select { align-self: stretch; }
.ks-mb-label { font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding-left: 4px; }
.ks-mb-group { display: flex; flex-wrap: wrap; align-items: center; gap: 2px; padding: 3px; border-radius: 10px; background: color-mix(in srgb, var(--bg) 55%, transparent); border: 1px solid var(--border); }
.ks-mb-sep { display: none; }
.ks-mb-btn {
  border: 0; background: transparent; color: var(--muted); font: inherit; padding: 5px 10px; border-radius: 7px; cursor: pointer;
  transition: background 0.12s, color 0.12s;
}
.ks-mb-btn:hover { color: var(--text); background: color-mix(in srgb, var(--primary) 14%, transparent); }
.ks-mb-btn.active { color: var(--primary-text, #fff); background: var(--primary); font-weight: 600; }
.ks-mb-btn.ks-mb-on:not(.active) { color: var(--primary); font-weight: 600; }
.ks-mb-btn:focus-visible, .ks-mb-select:focus-visible, .ks-mb-num:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
.ks-mb-select, .ks-mb-num {
  font: inherit; color: var(--text); background: color-mix(in srgb, var(--bg) 55%, transparent); border: 1px solid var(--border); border-radius: 10px; padding: 6px 10px;
}
.ks-mb-group .ks-mb-num { border-radius: 7px; padding: 4px 8px; }
.ks-mb-select option, .ks-mb-select optgroup { background: var(--bg); color: var(--text); }
.ks-mb-num { width: 7em; } /* room for the "custom" placeholder */
.ks-panel { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; }
.ks-custom-text { width: 100%; font: 1rem var(--mono); background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 8px; padding: 8px; resize: vertical; }

/* funbox panel: groups of cards with their descriptions */
.ks-fb-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; margin-bottom: 4px; }
.ks-fb-head h2 { margin: 0; font-size: 1.15rem; }
.ks-fb-head p { margin: 2px 0 0; font-size: 0.85rem; }
.ks-fb-section h3 { margin: 14px 0 8px; font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.ks-fb-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; }
.ks-fb-card {
  position: relative; display: flex; flex-direction: column; gap: 3px; text-align: left; padding: 10px 30px 10px 12px; cursor: pointer;
  border-radius: 10px; border: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 50%, transparent); color: var(--text); font: inherit;
  transition: border-color 0.12s, background 0.12s;
}
.ks-fb-card strong { font-size: 0.9rem; }
.ks-fb-card span { font-size: 0.8rem; color: var(--muted); line-height: 1.35; }
.ks-fb-card:hover { border-color: var(--primary); }
.ks-fb-card.active { border-color: var(--primary); background: color-mix(in srgb, var(--primary) 16%, transparent); }
.ks-fb-card.active::after {
  content: "✓"; position: absolute; top: 8px; right: 9px; width: 18px; height: 18px; display: grid; place-items: center;
  border-radius: 50%; font-size: 0.8rem; font-weight: 700; background: var(--primary); color: var(--primary-text, #fff);
}
.ks-fb-card:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
@media (max-width: 600px) { .ks-mb-row { justify-content: flex-start; } .ks-fb-grid { grid-template-columns: 1fr 1fr; } }

/* live stats */
.ks-live { display: flex; gap: 18px; align-items: baseline; min-height: 2rem; font-family: var(--mono); color: var(--primary); font-size: 1.4rem; }
.ks-live small { font-size: 0.8rem; color: var(--sub, var(--muted)); }
.ks-live-stat { font-size: 1rem; color: var(--sub, var(--muted)); }
.ks-live-layout { font-size: 0.8rem; color: var(--sub, var(--muted)); }
.ks-live-idle { opacity: 0.45; }
.ks-done .ks-live { opacity: 0.45; }

/* test box */
.ks-box { position: relative; outline: none; border-radius: var(--radius, 10px); padding: 4px 2px; cursor: text; }
.ks-words-wrap {
  position: relative; overflow: hidden; height: calc(var(--ks-size) * var(--ks-lh) * 3);
  font: var(--ks-size) / var(--ks-lh) var(--mono);
}
.ks-words { position: relative; transition: transform 0.15s ease; user-select: none; }
.ks-word { white-space: nowrap; }
.ks-word.ks-err { text-decoration: underline; text-decoration-color: var(--bad); text-underline-offset: 6px; }
.ks-ch { position: relative; transition: color 0.05s; }
.ks-ch.pending { color: var(--sub, var(--muted)); }
.ks-ch.ok { color: var(--text); }
.ks-ch.bad { color: var(--bad); }
.ks-ch.missed { color: var(--sub, var(--muted)); }
.ks-ch.extra { color: var(--error-extra, var(--bad)); opacity: 0.8; }
.ks-ch[data-typed]::after {
  content: attr(data-typed); position: absolute; left: 0; right: 0; top: 78%; text-align: center;
  font-size: 0.5em; line-height: 1; color: var(--bad); opacity: 0.85;
}
.ks-blur-msg {
  position: absolute; inset: 0; display: none; align-items: center; justify-content: center;
  color: var(--text); font-weight: 600; pointer-events: none;
}
.ks-blurred .ks-blur-msg { display: flex; }
.ks-blurred:not(.ks-done) .ks-words-wrap, .ks-blurred:not(.ks-done) .ks-track-input { filter: blur(4px); opacity: 0.5; }
.ks-done .ks-blur-msg { display: none !important; }
.ks-notice { position: absolute; right: 4px; top: -1.4em; font: 0.8rem var(--mono); color: var(--primary); }

/* track render mode: prompt above, input box below */
.ks-track-input { display: none; }
.ks-track .ks-track-input {
  display: block; position: relative; margin-top: 12px; min-height: calc(var(--ks-size) * 1.9);
  padding: 4px 12px; border: 2px solid var(--border); border-radius: 8px; background: var(--surface);
  font: var(--ks-size) / 1.6 var(--mono); white-space: pre;
}
.ks-track .ks-box:focus .ks-track-input { border-color: var(--primary); }
.ks-track .ks-word.ks-current { background: var(--surface-2); border-radius: 4px; }
.ks-track .ks-word.ks-good .ks-ch { color: var(--good); }
.ks-track .ks-ch.next { text-decoration: underline; text-decoration-color: var(--caret, var(--primary)); }

/* carets */
.ks-caret {
  position: absolute; left: 0; top: 0; pointer-events: none; z-index: 2;
  width: var(--cw, 0.6em); height: var(--ch, 1.5em); will-change: transform;
  background: var(--caret, var(--primary));
}
.ks-caret[data-style="line"] { width: 2px; margin-left: -1px; border-radius: 1px; height: calc(var(--ch) * 0.7); margin-top: calc(var(--ch) * 0.15); }
.ks-caret[data-style="block"] { opacity: 0.45; border-radius: 2px; height: calc(var(--ch) * 0.75); margin-top: calc(var(--ch) * 0.13); }
.ks-caret[data-style="outline"] { background: transparent; border: 2px solid var(--caret, var(--primary)); border-radius: 2px; height: calc(var(--ch) * 0.75); margin-top: calc(var(--ch) * 0.13); }
.ks-caret[data-style="underline"] { height: 3px !important; margin-top: calc(var(--ch) * 0.82); }
.ks-caret[data-style="off"] { display: none; }
.ks-rtl .ks-caret[data-style="line"] { margin-left: calc(var(--cw) - 1px); }
.ks-caret-main.ks-blink { animation: ks-blink 1s step-end infinite; }
@keyframes ks-blink { 50% { opacity: 0; } }
.ks-caret-pace { background: var(--sub, var(--muted)); opacity: 0.6; z-index: 1; }
.ks-caret-pace[data-style="outline"] { background: transparent; border-color: var(--sub, var(--muted)); }
.ks-caret-ghost { background: var(--warn); opacity: 0.7; z-index: 1; }
.ks-done .ks-caret { opacity: 0; }

/* keymap reactions */
.ks-kb .kb-key.ks-flash { background: var(--primary) !important; color: var(--bg); }
.ks-kb .kb-key.ks-flash-bad { background: var(--bad) !important; color: var(--bg); }

/* inline result (when results.js is unavailable) */
.ks-result { display: flex; flex-wrap: wrap; gap: 12px 28px; align-items: baseline; font-family: var(--mono); }
.ks-res-stat { display: flex; flex-direction: column; }
.ks-res-stat small { color: var(--sub, var(--muted)); }
.ks-res-stat strong { font-size: 1.8rem; color: var(--primary); }
.ks-failed { width: 100%; color: var(--bad); margin: 0; }
.ks-quote-src, .ks-res-hint { width: 100%; margin: 0; }
.ks-footer { text-align: center; font-size: 0.8rem; }
.ks-footer kbd { font-size: 0.8rem; }

/* ---- visual funboxes ---- */
.fb-mirror .ks-words { scale: -1 1; }
.fb-upside_down .ks-words { rotate: 180deg; }
.fb-mirror.fb-upside_down .ks-words { scale: -1 1; rotate: 180deg; }
.fb-crt { filter: drop-shadow(0 0 3px var(--primary)); }
.ks-crt-overlay {
  position: absolute; inset: 0; pointer-events: none; z-index: 3;
  background: repeating-linear-gradient(to bottom, transparent 0 2px, color-mix(in srgb, var(--bg) 55%, transparent) 2px 4px);
  animation: ks-flicker 4s infinite;
}
@keyframes ks-flicker { 0%, 100% { opacity: 0.9; } 50% { opacity: 0.75; } }
.fb-spotlight .ks-word:not(.ks-current) .ks-ch { color: transparent; }
.fb-blur .ks-word.ks-current ~ .ks-word { filter: blur(3px); }
.fb-rainbow .ks-ch.ok { color: var(--primary); }
.fb-rainbow .ks-ch.ok:nth-child(6n + 2) { filter: hue-rotate(60deg); }
.fb-rainbow .ks-ch.ok:nth-child(6n + 3) { filter: hue-rotate(120deg); }
.fb-rainbow .ks-ch.ok:nth-child(6n + 4) { filter: hue-rotate(180deg); }
.fb-rainbow .ks-ch.ok:nth-child(6n + 5) { filter: hue-rotate(240deg); }
.fb-rainbow .ks-ch.ok:nth-child(6n) { filter: hue-rotate(300deg); }
.ks-typewriter .ks-words { white-space: nowrap; transition: transform 0.12s ease; }
.ks-typewriter .ks-words-wrap { height: calc(var(--ks-size) * var(--ks-lh)); }
.fb-hidden .ks-ch.pending, .fb-memory-hidden .ks-ch.pending { color: transparent; }
.fb-nausea .ks-words { animation: ks-nausea 5s ease-in-out infinite; }
@keyframes ks-nausea { 25% { transform: rotate(1.5deg) skewX(3deg); } 75% { transform: rotate(-1.5deg) skewX(-3deg); } }
.fb-round_round_baby { overflow: visible; }
.fb-round_round_baby .ks-words { animation: ks-spin 12s linear infinite; }
@keyframes ks-spin { to { rotate: 360deg; } }
.fb-earthquake .ks-ch { display: inline-block; animation: ks-shake 0.25s infinite; }
.fb-earthquake .ks-word:nth-child(odd) .ks-ch { animation-delay: -0.12s; }
@keyframes ks-shake { 25% { translate: 1px -1px; } 50% { translate: -1px 1px; } 75% { translate: 1px 1px; } }
.fb-choo_choo .ks-ch { display: inline-block; animation: ks-spin 2s linear infinite; }
.fb-tunnel_vision {
  -webkit-mask-image: radial-gradient(circle 110px at var(--fb-cx, 0) var(--fb-cy, 0), #000 55%, transparent 100%);
  mask-image: radial-gradient(circle 110px at var(--fb-cx, 0) var(--fb-cy, 0), #000 55%, transparent 100%);
}

@media (max-width: 640px) {
  .ks-test { --ks-size: 1.1rem; }
  .ks-modebar { font-size: 0.8rem; padding: 6px; }
  .ks-mb-sep { display: none; }
  .ks-live { font-size: 1.15rem; gap: 12px; }
}
@media (prefers-reduced-motion: reduce) {
  .ks-words, .ks-ch { transition: none; }
}
.ks-mb-inline { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
/* "More options": the secondary settings fold away so the text is the first thing in view */
.ks-mb-more { align-self: flex-end; border: 1px solid var(--border); border-radius: 9px; padding: 6px 12px; background: transparent; color: var(--muted); font: inherit; font-size: 0.85rem; font-weight: 600; cursor: pointer; }
.ks-mb-more:hover, .ks-mb-more[aria-expanded="true"] { color: var(--text); border-color: var(--primary); }
.ks-mb-more:focus-visible { outline: 2px solid var(--primary); outline-offset: 1px; }
.ks-mb-rest[hidden] { display: none; }
.ks-mb-rest { margin-top: 10px; padding-top: 10px; border-top: 1px solid var(--border); }