/* Sleep, Decoded - games and calm widgets (sd-games.js, sd-night.js, sd-calm.js)
 * Uses only the colour tokens from assets/course.css, so dark mode follows automatically.
 */

/* ---- shared card look ---- */
.sd-pvt,.sd-sort,.sd-mythround,.sd-hypnogram,.sd-branch,.sd-breathe,.sd-chronotype{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;min-width:0}
.sd-g-title{font-weight:700;font-size:17px;margin:14px 0 6px}
.sd-hypnogram{--hyp-row:34px;--hyp-rows:5}

/* ================================================================ pvt */
.sd-pvt-lead{margin:0 0 8px}
.sd-pvt-stage{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:60vh;margin:0;padding:16px;
  border:2px dashed var(--line);border-radius:12px;background:var(--bg);cursor:pointer;user-select:none;-webkit-user-select:none;
  touch-action:manipulation;-webkit-tap-highlight-color:transparent;text-align:center;position:relative}
@media (min-width:700px){.sd-pvt-stage{min-height:360px}}
.sd-pvt-stage:focus{outline:none}
.sd-pvt-stage:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.sd-pvt-stage.is-on{border-style:solid;border-color:var(--acc)}
.sd-pvt-counter{font-size:clamp(48px,15vw,104px);font-weight:800;line-height:1.05;color:var(--acc);font-variant-numeric:tabular-nums;min-height:1.1em}
.sd-pvt-stage.is-early .sd-pvt-counter{color:var(--warn);font-size:clamp(30px,9vw,56px)}
.sd-pvt-msg{font-size:17px;font-weight:600;min-height:1.4em}
.sd-pvt-clock{position:absolute;top:10px;right:12px;font-size:14px;color:var(--mut);font-variant-numeric:tabular-nums}
.sd-pvt-help{position:absolute;bottom:10px;left:0;right:0;font-size:13px;color:var(--mut)}
.sd-pvt.is-running>.sd-pvt-intro,.sd-pvt.is-running>.sd-pvt-controls,.sd-pvt.is-running>.sd-pvt-results,
.sd-pvt.is-running>.sd-pvt-compare,.sd-pvt.is-running>.sd-source{display:none}
.sd-pvt-results:focus,.sd-pvt-compare:focus{outline:none}
.sd-pvt-results:empty{display:none}
.sd-pvt-compare{margin-top:12px;border-top:1px solid var(--line);padding-top:4px}
.sd-pvt-table{font-size:13px}
.sd-pvt-table th,.sd-pvt-table td{padding:6px 5px}
.sd-pvt-table td{white-space:normal}
.sd-pvt-table tbody th{font-weight:700}
.sd-pvt-hours{display:block;font-weight:400;font-size:12px;color:var(--mut)}
.sd-pvt-num{font-weight:700;font-variant-numeric:tabular-nums}
.sd-pvt-bar{display:block;height:8px;min-width:48px;border-radius:99px;background:var(--line);overflow:hidden;margin-top:4px}
.sd-pvt-bar-fill{display:block;height:100%;background:var(--acc);border-radius:99px}
.sd-pvt-table tr.is-best .sd-pvt-bar-fill{background:var(--ok)}
.sd-pvt-tip{background:var(--tip);border-left:4px solid var(--tip-line);padding:8px 12px;border-radius:8px;font-size:14px}

/* ================================================================ sort */
.sd-sort-tray,.sd-sort-bin{border:2px dashed var(--line);border-radius:12px;padding:10px;background:var(--bg);min-width:0}
.sd-sort-bin{border-style:solid}
.sd-sort-tray.is-over,.sd-sort-bin.is-over{border-color:var(--acc);background:var(--acc2)}
.sd-sort-tray.is-empty .sd-sort-list{min-height:0}
.sd-sort-head{margin:0 0 6px;font-weight:700;display:flex;flex-wrap:wrap;gap:4px;align-items:baseline}
.sd-sort-count{color:var(--mut);font-weight:500;font-size:14px}
.sd-sort-bins{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(min(100%,210px),1fr));margin-top:10px}
.sd-sort-list{list-style:none;padding:0;margin:8px 0 0;display:grid;gap:8px;min-height:44px}
.sd-sort-put{width:100%;padding:6px 10px}
.sd-sort-put:disabled{opacity:.35}
.sd-sort-card{border:2px solid var(--line);border-radius:10px;background:var(--card);position:relative;min-width:0}
.sd-sort-card.is-selected{border-color:var(--acc);box-shadow:0 0 0 3px var(--acc2)}
.sd-sort-card.is-dragging{z-index:30;box-shadow:var(--shadow);border-color:var(--acc);opacity:.96}
.sd-sort-card.is-right{border-color:var(--ok);background:var(--ok-bg)}
.sd-sort-card.is-wrong{border-color:var(--warn);background:var(--warn-bg)}
.sd-sort-row{display:flex;align-items:stretch;min-width:0}
.sd-sort-handle{flex:0 0 30px;min-height:44px}
.sd-sort-card.is-locked .sd-sort-handle{visibility:hidden}
.sd-sort-pick{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;
  background:transparent;color:var(--fg);font-weight:500;padding:8px 8px 8px 2px;border-radius:8px}
.sd-sort-pick:disabled{opacity:1;cursor:default}
.sd-sort-mark{font-size:13px;font-weight:700}
.sd-sort-mark:empty{display:none}
.is-right>.sd-sort-row .sd-sort-mark{color:var(--ok)}
.is-wrong>.sd-sort-row .sd-sort-mark{color:var(--warn)}
.sd-sort-why{padding:0 10px 8px;font-size:14px}
.sd-sort-why p{margin:4px 0}

/* ================================================================ mythround */
.sd-myth-lead{margin:0 0 6px}
.sd-myth-top{display:flex;flex-wrap:wrap;align-items:center;gap:6px 12px;margin-bottom:8px}
.sd-myth-top .sd-q-count{margin:0}
.sd-myth-score{font-size:13px;font-weight:700;color:var(--ok)}
.sd-myth-timewrap{margin-left:auto}
.sd-myth-timer{display:inline-block;font-weight:800;font-variant-numeric:tabular-nums;padding:2px 12px;border-radius:99px;background:var(--acc2);color:var(--acc)}
.sd-myth-timer.is-low{background:var(--warn-bg);color:var(--warn)}
.sd-myth-text{font-size:20px;font-weight:600;line-height:1.4;min-height:3.2em;margin:4px 0 14px}
.sd-myth-text:focus{outline:none}
.sd-myth-btns{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.sd-myth-btn{min-height:72px;font-size:21px;font-weight:800;border:2px solid currentColor}
.sd-myth-btn.is-myth{background:var(--warn-bg);color:var(--warn)}
.sd-myth-btn.is-fact{background:var(--ok-bg);color:var(--ok)}
.sd-myth-btn:disabled{opacity:.55}
.sd-myth-btn.is-right,.sd-myth-btn.is-wrong{opacity:1}
.sd-myth-btn.is-right{box-shadow:0 0 0 4px var(--ok)}
.sd-myth-btn.is-wrong{box-shadow:0 0 0 4px var(--warn)}
.sd-myth-fb{min-height:1.6em;font-weight:700;margin:12px 0 0}
.sd-myth-fb.is-ok{color:var(--ok)}.sd-myth-fb.is-no{color:var(--warn)}
.sd-myth-list{padding-left:1.3em}
.sd-myth-list li{margin:10px 0;padding:0 0 10px;border-bottom:1px solid var(--line)}
.sd-myth-list p{margin:3px 0}
.sd-myth-li-text{font-weight:600}
.sd-chip-myth{background:var(--warn-bg);color:var(--warn)}

/* ================================================================ hypnogram */
.sd-hyp-lead{margin:0 0 8px}
.sd-hyp-rules{margin:0 0 10px}
.sd-hyp-rules>summary{cursor:pointer;min-height:44px;display:flex;align-items:center;font-weight:600;color:var(--acc)}
.sd-hyp-palette{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.sd-hyp-chip{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;background:var(--card);color:var(--fg);border:2px solid var(--line);
  font-weight:600;font-size:15px;touch-action:none;user-select:none;-webkit-user-select:none}
.sd-hyp-chip.is-on{border-color:var(--acc);background:var(--acc2);box-shadow:0 0 0 2px var(--acc) inset}
.sd-hyp-sw{width:16px;height:16px;border-radius:4px;flex:0 0 auto;background:var(--st)}
/* stage colours: deeper = stronger accent; awake and REM stand out */
.sd-st-W{--st:var(--warn)}
.sd-st-REM{--st:var(--tip-line)}
.sd-st-N1{--st:var(--mut);--st:color-mix(in srgb,var(--acc) 45%,var(--card))}
.sd-st-N2{--st:var(--acc);--st:color-mix(in srgb,var(--acc) 65%,var(--card))}
.sd-st-N3{--st:var(--acc)}
.sd-hyp-scroll{overflow-x:auto;max-width:100%;padding:4px 2px 2px}
.sd-hyp-plot{display:flex;min-width:270px}
.sd-hyp-rowlabels{flex:0 0 34px;display:flex;flex-direction:column}
.sd-hyp-rowlabels span{height:var(--hyp-row);display:flex;align-items:center;font-size:12px;font-weight:700;color:var(--mut)}
.sd-hyp-main{flex:1 1 auto;min-width:0}
.sd-hyp-cols{position:relative;display:flex;height:calc(var(--hyp-row) * var(--hyp-rows));border:1px solid var(--line);border-radius:6px;
  background:repeating-linear-gradient(to bottom,transparent 0,transparent calc(var(--hyp-row) - 1px),var(--line) calc(var(--hyp-row) - 1px),var(--line) var(--hyp-row))}
.sd-hyp-col{flex:1 1 0;min-width:0;min-height:0;height:100%;padding:0;margin:0;border:0;border-radius:0;background:transparent;position:relative;cursor:pointer;
  border-left:1px dotted var(--line)}
.sd-hyp-col:first-child{border-left:0}
.sd-hyp-col.is-hour{border-left:1px solid var(--line);border-left-color:color-mix(in srgb,var(--mut) 55%,transparent)}
.sd-hyp-col:first-child.is-hour{border-left:0}
.sd-hyp-col:hover,.sd-hyp-col.is-over{background:var(--acc2)}
.sd-hyp-col:focus-visible{outline:3px solid var(--acc);outline-offset:-3px;box-shadow:none;border-radius:2px;z-index:2}
.sd-hyp-blk{position:absolute;left:1px;right:1px;height:calc(100% / var(--hyp-rows));border-radius:4px;background:var(--st);opacity:.9}
.sd-hyp-overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;overflow:visible}
.sd-hyp-line{fill:none;stroke:var(--fg);stroke-width:2;vector-effect:non-scaling-stroke;stroke-linejoin:round}
.sd-hyp-axis{display:flex;margin-top:2px}
.sd-hyp-axis span{flex:1 1 0;min-width:0;font-size:11px;color:var(--mut);white-space:nowrap;overflow:visible}
.sd-hyp-ghost{position:fixed;z-index:3000;transform:translate(-50%,-120%);padding:4px 10px;border-radius:8px;background:var(--st);color:var(--card);font-weight:800;pointer-events:none;box-shadow:var(--shadow)}
.sd-hyp-out{margin-top:8px}
.sd-hyp-out:focus{outline:none}
.sd-hyp-chartwrap{max-width:420px}
.sd-hyp-chart{width:100%;height:auto;display:block}
.sd-hyp-grid{stroke:var(--line);stroke-width:1}
.sd-hyp-typ{fill:none;stroke:var(--mut);stroke-width:2;stroke-dasharray:5 4}
.sd-hyp-you{fill:none;stroke:var(--acc);stroke-width:3;stroke-linejoin:round}
.sd-hyp-legend{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px;color:var(--mut)}
.sd-hyp-key{display:inline-block;width:26px;height:0;border-top:3px solid var(--acc)}
.sd-hyp-key.is-typ{border-top:2px dashed var(--mut)}
.sd-hyp-checks{list-style:none;padding:0;margin:10px 0}
.sd-hyp-checks li{display:flex;gap:10px;align-items:flex-start;padding:6px 0;border-bottom:1px solid var(--line)}
.sd-hyp-tick{flex:0 0 26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;font-weight:800;color:var(--card)}
.is-ok>.sd-hyp-tick{background:var(--ok)}
.is-no>.sd-hyp-tick{background:var(--warn)}
.sd-hyp-explain{background:var(--acc2);border-radius:10px;padding:4px 14px;margin:12px 0}

/* ================================================================ branch */
.sd-br-title{font-weight:700;font-size:18px;margin:0 0 6px}
.sd-br-trail{list-style:none;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:2px 6px;font-size:13px;color:var(--mut)}
.sd-br-trail li{max-width:100%}
.sd-br-trail li+li::before{content:"›";margin-right:6px;color:var(--mut)}
.sd-br-trail li:last-child{color:var(--fg);font-weight:600}
.sd-br-card{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px}
.sd-br-note{margin:0 0 10px;padding:4px 0 4px 10px;border-left:3px solid var(--acc);color:var(--mut);font-style:italic}
.sd-br-text:focus{outline:none}
.sd-br-text p{margin:0 0 8px}
.sd-br-end-title{font-size:21px;font-weight:800;margin:0 0 6px}
.sd-br-end-title:focus{outline:none}
.sd-br-end-kicker{display:block;font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--acc)}
.sd-br-night{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;padding:12px 14px;border-radius:10px;background:var(--acc2);margin:12px 0}
.sd-br-night-r{flex:1 1 160px}
.sd-br-night-label{display:block;font-size:13px;color:var(--mut);font-weight:600}
.sd-br-night-num{display:block;font-size:30px;font-weight:800;line-height:1.1}
.sd-br-lesson{background:var(--ok-bg);border-left:4px solid var(--ok);padding:10px 12px;border-radius:8px;margin:12px 0}
.sd-br-found{margin-top:12px}
.sd-br-count{margin:0 0 4px}
.sd-br-endings{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:6px 16px}
.sd-br-endings li.is-found{color:var(--ok);font-weight:600}
.sd-br-endings li.is-missing{color:var(--mut)}

/* ================================================================ breathe */
.sd-bth-warn{background:var(--tip);border-left:5px solid var(--tip-line);padding:12px 14px;border-radius:10px;margin:0 0 14px}
.sd-bth-set{border:0;padding:0;margin:0 0 10px;display:flex;flex-wrap:wrap;gap:8px;min-width:0}
.sd-bth-set legend{font-weight:700;font-size:14px;padding:0;margin-bottom:6px}
.sd-bth-pill{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 12px;border:2px solid var(--line);border-radius:999px;cursor:pointer;max-width:100%}
.sd-bth-pill input{width:20px;height:20px;min-height:0;margin:0;accent-color:var(--acc)}
.sd-bth-pill:has(input:checked){border-color:var(--acc);background:var(--acc2)}
.sd-bth-pill:has(input:disabled){opacity:.6;cursor:default}
.sd-bth-stage{text-align:center;padding:8px 0}
.sd-bth-ring{width:min(210px,58vw);aspect-ratio:1/1;margin:6px auto;display:flex;align-items:center;justify-content:center}
.sd-bth-circle{width:100%;height:100%;border-radius:50%;background:var(--acc2);border:3px solid var(--acc);opacity:.75;transform:scale(.55);will-change:transform}
.sd-bth-stage.is-still .sd-bth-ring{display:none}
.sd-bth-word{font-size:24px;font-weight:700;margin:4px 0}
.sd-bth-count{font-size:38px;font-weight:300;color:var(--mut);font-variant-numeric:tabular-nums;min-height:1.3em;margin:0;line-height:1.3}
.sd-bth-thin{height:4px;max-width:320px;margin:8px auto;border-radius:99px;background:var(--line);overflow:hidden}
.sd-bth-thin>span{display:block;height:100%;width:0;background:var(--acc)}
.sd-bth-thin-total>span{background:var(--mut)}
.sd-bth-total{text-align:center;margin:4px 0 0;color:var(--mut);font-variant-numeric:tabular-nums;min-height:1.6em}
.sd-bth-msg:empty{display:none}
.sd-bth-msg{font-weight:600}

/* ================================================================ chronotype */
.sd-chrono-prev:empty{display:none}
.sd-chrono-result:focus{outline:none}
.sd-chrono-scale{margin:10px 0 14px}
.sd-chrono-bar{position:relative;margin:18px 0 6px}
.sd-chrono-track{display:flex;height:40px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.sd-chrono-seg{display:flex;align-items:center;justify-content:center;padding:0 4px;font-size:12px;font-weight:600;line-height:1.15;text-align:center;overflow:hidden;min-width:0}
.sd-chrono-seg-0{background:var(--tip)}
.sd-chrono-seg-1{background:var(--bg)}
.sd-chrono-seg-2{background:var(--acc2)}
.sd-chrono-seg-3{background:var(--ok-bg)}
.sd-chrono-seg+.sd-chrono-seg{border-left:1px solid var(--line)}
.sd-chrono-seg.is-here{font-weight:800}
.sd-chrono-marker{position:absolute;top:-10px;bottom:-10px;width:4px;margin-left:-2px;border-radius:2px;background:var(--fg)}
.sd-chrono-marker::before{content:"";position:absolute;top:-6px;left:-6px;width:16px;height:16px;border-radius:50%;background:var(--fg)}
.sd-chrono-marker.is-prev{background:transparent;border-left:2px dashed var(--mut);width:0;margin-left:-1px}
.sd-chrono-marker.is-prev::before{background:var(--card);border:2px solid var(--mut);left:-9px}
.sd-chrono-ends{display:flex;justify-content:space-between;font-size:13px;color:var(--mut);margin-top:12px}
.sd-chrono-key{display:inline-block;width:12px;height:12px;border-radius:50%;border:2px solid var(--mut);margin-right:6px;vertical-align:-1px}

/* ---- reduced motion: no scaling, no moving parts ---- */
@media (prefers-reduced-motion:reduce){
  .sd-bth-ring{display:none}
  .sd-sort-card.is-dragging{transition:none}
}
/* ---- print: nothing interactive to print except results ---- */
@media print{
  .sd-pvt-stage,.sd-hyp-palette,.sd-myth-btns,.sd-bth-stage{display:none!important}
}
.sd-hyp-cols{touch-action:none;user-select:none;-webkit-user-select:none}
.sd-breathe:not(.is-running) .sd-bth-count,.sd-breathe:not(.is-running) .sd-bth-stage .sd-bth-thin{display:none}