/* BeatMeter, måleren. Instrumentfladen er mørk blæk. Farver kommer fra tokens.css.
   Variabelnavnene herunder læses også af canvas-tegningerne i maal.html. */
:root{
  --bg:var(--color-ink);
  --dial:var(--color-ink-raised);
  --ink:var(--color-paper);
  --mute:var(--color-warm-grey);
  --line:var(--line-on-ink);
  --gilt:var(--color-terracotta);          /* tik og primært signal */
  --tock:var(--color-sage-soft);           /* tak og reference */
  --good:var(--color-status-good);
  --warn:var(--color-status-warn);
  --bad:var(--color-status-bad);
  --tape:var(--color-ink);
  --grid:rgba(245,243,236,.09);
  --shade:rgba(0,0,0,.6);
  box-sizing:border-box;color-scheme:dark;
}
*,*::before,*::after{box-sizing:inherit}
html{scroll-padding-top:calc(env(safe-area-inset-top,0px) + 170px);background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);line-height:1.5;font-size:16px;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased;
  padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
a{color:var(--color-terracotta-soft);text-underline-offset:.2em;text-decoration-thickness:1px}
a:hover{color:var(--color-paper)}
.wrap{max-width:660px;margin:0 auto;padding:0 var(--gutter)}
.skip{position:absolute;left:var(--gutter);top:-100px;background:var(--color-paper);color:var(--color-ink);padding:10px 16px;border-radius:var(--radius-sm);z-index:60;text-decoration:none}
.skip:focus{top:calc(env(safe-area-inset-top,0px) + 8px)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* fast aflæsning */
#bar{position:sticky;top:0;z-index:10;background:var(--bg);border-bottom:1px solid transparent;padding-top:env(safe-area-inset-top,0px);transition:border-color var(--dur-base)}
#bar.compact{border-bottom-color:var(--line)}
#bar .wrap{padding-top:12px;padding-bottom:12px}
.top{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:12px}
h1{margin:0;font-size:1rem;line-height:1}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--color-paper);text-decoration:none;font-weight:650;font-size:.85rem;letter-spacing:.2em;text-transform:uppercase;min-height:44px}
.brand:hover{color:var(--color-paper)}
.brand svg{display:block;flex:none;transition:width var(--dur-base),height var(--dur-base)}
#bar.compact .brand svg{width:22px;height:22px}
.readout{display:grid;grid-template-columns:1.5fr 1fr 1fr;align-items:end;border-top:1px solid var(--line)}
.m{padding:12px 0 0 14px;border-left:1px solid var(--line);min-width:0}
.m:first-child{padding-left:0;border-left:0}
.m .l{font-size:.68rem;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);display:flex;align-items:center;gap:6px;white-space:nowrap}
.m .v{font-weight:500;font-size:1.9rem;line-height:1.1;letter-spacing:-.02em;font-variant-numeric:tabular-nums lining-nums;margin-top:4px;transition:font-size var(--dur-base)}
.m .v small{font-size:.75rem;font-weight:500;letter-spacing:.06em;color:var(--mute);margin-left:5px}
.m.rate .v{font-size:3.2rem;font-weight:400;letter-spacing:-.03em}
#rate .g,#rate .w,#rate .b{color:var(--color-terracotta)}
#rate:not(:empty){color:var(--color-terracotta)}
#bar.compact .m .v{font-size:1.4rem}
#bar.compact .m.rate .v{font-size:2.1rem}
#bar.compact .m .l{display:none}
.readout.stale{opacity:.45}
.readout.stale .v{transition:opacity var(--dur-base)}
.barrow{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:12px}
#startBtn{order:1;flex:2 1 0}
#saveBtn{order:2;flex:1 1 0}
.statusrow{order:3;flex:1 1 100%;display:flex;align-items:flex-start;gap:12px;min-height:2.7em}
.status{flex:1;min-width:0;font-size:.85rem;color:var(--color-paper-mute);line-height:1.4}
.sig{margin-top:2px}
#bar.compact .statusrow{min-height:0}
#bar.compact .status{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:1;overflow:hidden}
/* tilstandsindikator: fem stænger, som ligner en lydkurve. Ændrer sig med data-state. */
.sig{flex:none;display:inline-flex;align-items:center;gap:2px;height:16px;width:22px}
.sig i{display:block;width:2px;border-radius:1px;background:var(--mute);height:4px;transition:background var(--dur-base),height var(--dur-base)}
.sig i:nth-child(2n){height:8px}.sig i:nth-child(3){height:12px}
#bar[data-state="listening"] .sig i,#bar[data-state="detecting"] .sig i{background:var(--color-sage-soft);animation:pulse 1.1s ease-in-out infinite}
#bar[data-state="detecting"] .sig i,#bar[data-state="measuring"] .sig i{background:var(--color-terracotta)}
#bar[data-state="detecting"] .sig i{animation:pulse .8s ease-in-out infinite}
#bar[data-state="stable"] .sig i{background:var(--color-sage-soft)}
#bar[data-state="warn"] .sig i,#bar[data-state="paused"] .sig i{background:var(--color-status-warn)}
#bar[data-state="error"] .sig i{background:var(--color-status-bad)}
.sig i:nth-child(2){animation-delay:.12s!important}.sig i:nth-child(3){animation-delay:.24s!important}.sig i:nth-child(4){animation-delay:.36s!important}.sig i:nth-child(5){animation-delay:.48s!important}
@keyframes pulse{0%,100%{transform:scaleY(.55)}50%{transform:scaleY(1.25)}}

/* knapper og felter */
button{font:inherit;border:1px solid var(--line);background:transparent;color:var(--ink);padding:10px 14px;border-radius:8px;cursor:pointer;min-height:44px;transition:background var(--dur-fast),border-color var(--dur-fast),color var(--dur-fast)}
button:hover{border-color:var(--color-paper-mute)}
button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible,a:focus-visible{outline:2px solid var(--color-terracotta-soft);outline-offset:2px}
#startBtn{background:var(--color-terracotta);border-color:var(--color-terracotta);color:var(--color-ink);font-weight:600;padding:10px 22px;min-height:52px;font-size:1.05rem}
#startBtn:hover{background:var(--color-paper);border-color:var(--color-paper)}
#startBtn.on{background:transparent;color:var(--ink);border-color:var(--color-paper-mute)}
#saveBtn{padding:10px 16px;font-weight:500;min-height:52px}
#saveBtn:disabled{opacity:.35;cursor:default}
button.ghost{background:transparent}
button.small{padding:6px 12px;min-height:44px;font-size:.9rem}
label{display:flex;flex-direction:column;gap:6px;font-size:.8rem;color:var(--mute);flex:1;min-width:130px}
.lt{display:flex;align-items:center;gap:6px}
select,input[type=text],input[type=number],input[type=datetime-local]{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:8px;padding:9px;width:100%;min-height:44px}
input[type=number]{width:84px}
input[type=range]{width:100%;accent-color:var(--color-terracotta)}
main.wrap{padding-top:12px;padding-bottom:calc(40px + env(safe-area-inset-bottom,0px))}

/* flader */
.panel{background:var(--dial);border:1px solid var(--line);border-radius:var(--radius-md);padding:16px;margin-bottom:12px}
.panel h2{font-size:.72rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--mute);margin:0 0 12px;display:flex;align-items:center;gap:8px}
canvas{width:100%;display:block;background:var(--tape);border:1px solid var(--line);border-radius:var(--radius-sm)}
#trace{height:240px}
#scope{height:64px}
#tickwave{height:150px}
.viewbar{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.seg{display:flex;flex:1;border:1px solid var(--line);border-radius:8px;padding:2px;gap:2px}
.seg button{flex:1;border:0;padding:8px 4px;border-radius:6px;font-size:.85rem;color:var(--mute);min-height:44px}
.seg button:hover{color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--color-paper);color:var(--color-ink);font-weight:600}
.legend{display:flex;gap:14px;font-size:.78rem;color:var(--mute);margin:8px 0 14px;flex-wrap:wrap;align-items:center}
.legend.hide-tt .tt{display:none}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:0}
.sub{display:flex;align-items:center;gap:6px;font-size:.8rem;color:var(--mute);margin-bottom:8px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end}
.quick{display:flex;gap:8px;align-items:flex-end;margin:12px 0 18px}
.quick label{min-width:0;flex:1;font-size:.75rem}
.quick select{font-size:.9rem}
.thrrow{display:flex;align-items:center;gap:10px;margin-top:10px;font-size:.85rem;color:var(--mute)}
.thrrow input{flex:1;min-width:0}
.thrrow #thrVal{min-width:3.2em;text-align:right;font-variant-numeric:tabular-nums}
.tag{font-size:.68rem;font-weight:500;letter-spacing:.06em;text-transform:uppercase;color:var(--color-status-warn);border:1px solid currentColor;border-radius:4px;padding:1px 6px}
.note{font-size:.8rem;color:var(--mute);margin-top:8px}
.empty{color:var(--mute);font-size:.9rem;padding:8px 2px}
.g{color:var(--good)}.w{color:var(--warn)}.b{color:var(--bad)}

/* fold */
details summary{cursor:pointer;font-weight:600}
details p,details li{font-size:.93rem}
details ul{padding-left:18px}
details.fold{padding:0}
details.fold summary{list-style:none;display:flex;align-items:center;gap:10px;cursor:pointer;padding:14px 16px;min-height:52px}
details.fold summary::-webkit-details-marker{display:none}
details.fold summary .ft{font-weight:600;font-size:1rem}
details.fold summary .tag{flex:0 0 auto}
details.fold summary .mini{margin-left:auto;font-weight:500;font-size:1.1rem;font-variant-numeric:tabular-nums;color:var(--color-terracotta)}
details.fold summary .mini.sm{font-weight:400;font-size:.85rem;color:var(--mute)}
details.fold summary::after{content:"";width:7px;height:7px;border-right:1.5px solid var(--mute);border-bottom:1.5px solid var(--mute);transform:rotate(45deg);margin:0 4px 4px 8px;transition:transform var(--dur-base)}
details.fold[open] summary::after{transform:rotate(-135deg);margin-bottom:-4px}
details.fold .foldbody{padding:0 16px 16px}
.amprow{display:flex;gap:16px;align-items:flex-end;flex-wrap:wrap}
.amprow .m{flex:1;min-width:120px;padding-left:0;border-left:0}
.amprow .m .v{font-size:2.4rem}
label.lift{flex:0 0 auto;min-width:0}
.unit{display:flex;align-items:center;gap:6px;color:var(--ink)}

.divider{margin:40px 2px 14px;border-top:1px solid var(--color-paper-mute);padding-top:16px}
.divider h2{font-weight:600;font-size:1.5rem;letter-spacing:-.02em;margin:0;line-height:1.15}
.divider p{margin:6px 0 0;color:var(--color-paper-mute);font-size:.92rem}

/* vurdering */
ul.diag{list-style:none;margin:10px 0 6px;padding:0}
ul.diag li{display:grid;grid-template-columns:14px 1fr auto;gap:4px 10px;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--line)}
ul.diag li:last-child{border-bottom:0}
ul.diag .dt{width:10px;height:10px;border-radius:50%;align-self:center}
ul.diag .dt.g{background:var(--good)}ul.diag .dt.y{background:var(--warn)}ul.diag .dt.r{background:var(--bad)}ul.diag .dt.n{background:transparent;border:1px solid var(--mute)}
ul.diag .lb{font-weight:600}
ul.diag .lb span{font-weight:400;color:var(--mute)}
ul.diag .vl{font-variant-numeric:tabular-nums;color:var(--mute);font-size:.9rem;text-align:right}
ul.diag .dx{grid-column:2 / 4;font-size:.82rem;color:var(--mute)}
.concl{font-weight:600;margin:10px 0 4px;line-height:1.4}
.dbasis{font-size:.82rem;color:var(--mute);margin:0 0 12px}
.dsel{margin-bottom:4px}
.night{border-top:1px solid var(--line);padding-top:12px;margin-top:4px}
.night .nh{font-weight:600;display:flex;align-items:center;gap:6px;margin-bottom:8px}
.nrow{display:flex;gap:10px}
.nrow label{min-width:0}
.nrow label:last-child{flex:0 0 90px}
#nightOut{margin:10px 0 0;line-height:1.5}
.disc{font-size:.8rem;color:var(--mute);margin:14px 0 0;border-top:1px solid var(--line);padding-top:10px}

/* tabeller */
.tbl{overflow-x:auto;margin-top:10px}
table{border-collapse:collapse;width:100%;font-size:.88rem}
th,td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);white-space:nowrap;font-variant-numeric:tabular-nums}
th{color:var(--mute);font-weight:500;font-size:.75rem;letter-spacing:.04em}
td button.x{padding:3px 9px;font-size:.8rem;border-radius:6px;color:var(--mute);min-height:32px}

/* eksperimenter */
.expcard{border:1px solid var(--line);border-radius:var(--radius-md);padding:14px;margin-bottom:12px;background:var(--bg)}
.expcard:last-child{margin-bottom:0}
.expintro{margin:0 0 12px;color:var(--mute);font-size:.9rem}
.exphead{display:flex;justify-content:space-between;gap:10px;align-items:flex-start;margin-bottom:10px}
.expttl{font-weight:600}
.expsub{font-size:.85rem;color:var(--mute);margin-top:2px}
.expstate{font-size:.75rem;font-weight:600;color:var(--color-terracotta-soft);white-space:nowrap;padding-top:2px;text-align:right}
.exprow{display:flex;gap:8px}
.exprow input{flex:1;min-width:0}
.expwatchline{font-size:.85rem;color:var(--mute);margin-bottom:10px}
ol.expsteps{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
ol.expsteps li{border-top:1px solid var(--line);padding-top:12px}
ol.expsteps li:first-child{border-top:0;padding-top:0}
ol.expsteps li.pending{color:var(--mute);font-size:.9rem}
ol.expsteps li.done{font-size:.92rem;line-height:1.45}
ol.expsteps li.active .instr{font-size:.92rem;line-height:1.5;margin-bottom:8px}
ol.expsteps .chk{color:var(--good);font-weight:700;margin-right:5px}
ol.expsteps .expwait{font-size:.82rem;color:var(--mute);margin:0 0 8px}
table.exptbl{width:100%;border-collapse:collapse;font-size:.85rem;margin:2px 0 10px}
table.exptbl th,table.exptbl td{padding:6px 4px;text-align:left;border-bottom:1px solid var(--line);font-variant-numeric:tabular-nums}
table.exptbl th{color:var(--mute);font-weight:500;font-variant-numeric:normal}
.expconcl{font-size:.92rem;line-height:1.55;margin:0 0 12px}
.tests p{margin:0 0 10px;line-height:1.55}
.moretests{margin-top:22px;border-top:1px solid var(--line);padding-top:14px}
.tests h3.subh{font-size:1.1rem;margin:0 0 4px;font-weight:600}
.tests label{min-width:0;display:flex}
.tests h3{font-size:1rem;margin:20px 0 6px;font-weight:600}
.tests p.why{font-size:.88rem;color:var(--mute)}
.tests .tool{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius-md);padding:12px;margin:4px 0 6px}
.tests .tst{font-size:.92rem;margin-bottom:8px;line-height:1.5}
.tests .tst:empty{display:none}
.tests .tst strong{font-size:1.3rem;font-weight:500;font-variant-numeric:tabular-nums}

/* ark */
#saveSheet{position:fixed;left:0;right:0;bottom:0;z-index:42;background:var(--dial);border-top:1px solid var(--line);border-radius:var(--radius-md) var(--radius-md) 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom,0px));transform:translateY(105%);transition:transform var(--dur-base) var(--ease)}
#saveSheet.open{transform:none}
#saveSheet .in{max-width:660px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
#saveSheet h3{font-size:1.3rem;font-weight:600;letter-spacing:-.01em;margin:0}
#saveSheet .snap{margin:0;font-size:.95rem;font-variant-numeric:tabular-nums}
#saveSheet label{min-width:0}
#saveSheet .btns{display:flex;gap:10px;margin-top:4px}
#saveSheet .btns button{flex:1;min-height:48px}
#saveConfirm{background:var(--color-terracotta);border-color:var(--color-terracotta);color:var(--color-ink);font-weight:600}
#saveConfirm:hover{background:var(--color-paper);border-color:var(--color-paper)}
[hidden]{display:none!important}
#sheet{z-index:43!important}
#sheet:not(.open),#saveSheet:not(.open){visibility:hidden;transition:transform var(--dur-base) var(--ease),visibility 0s linear var(--dur-base)}
#sheet.open,#saveSheet.open{visibility:visible;transition:transform var(--dur-base) var(--ease),visibility 0s}
#shade{position:fixed;inset:0;background:var(--shade);z-index:40;opacity:0;pointer-events:none;transition:opacity var(--dur-base)}
#shade.open{opacity:1;pointer-events:auto}
#sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--dial);border-top:1px solid var(--line);border-radius:var(--radius-md) var(--radius-md) 0 0;padding:20px 20px calc(20px + env(safe-area-inset-bottom,0px));transform:translateY(105%);transition:transform var(--dur-base) var(--ease);max-height:72vh;overflow-y:auto}
#sheet.open{transform:none}
#sheet .in{max-width:660px;margin:0 auto}
#sheet h3{font-size:1.3rem;font-weight:600;letter-spacing:-.01em;margin:0 0 8px}
#sheet p{margin:0 0 10px;font-size:.98rem;line-height:1.6}
#sheet p.tiphead{margin:16px 0 4px}
#sheet button{margin-top:4px;width:100%}
#sheet ul.links{margin:0 0 12px;padding-left:18px}
#sheet ul.links li{margin-bottom:6px;font-size:.95rem;color:var(--mute)}
#sheet ul.links a{color:var(--color-terracotta-soft);font-weight:600}

/* hjælpeknapper */
button.how{font-size:.78rem;color:var(--mute);background:transparent;border:0;border-radius:8px;padding:4px 0 4px 12px;min-height:44px;display:inline-flex;align-items:center;gap:8px}
button.how span{display:inline-block;width:16px;height:16px;border-radius:50%;border:1px solid var(--mute);font-size:.65rem;font-weight:600;line-height:14px;text-align:center}
#bar.compact button.how{display:none}
button.i{width:20px;height:20px;min-width:20px;min-height:20px;padding:0;border-radius:50%;font-size:.7rem;font-weight:600;line-height:18px;text-align:center;color:var(--mute);background:transparent;border:1px solid var(--mute);position:relative;flex:none}
button.i::after{content:"";position:absolute;inset:-12px}

.foot{text-align:center;margin:32px 0 8px;font-size:.92rem;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.foot a{color:var(--mute);text-decoration:none;padding:10px 6px;display:inline-block}
.foot a:hover{color:var(--color-paper);text-decoration:underline}
.foot span{color:var(--line);padding:10px 0}

@media (max-width:420px){
  .m.rate .v{font-size:2.6rem}
  .m .v{font-size:1.6rem}
  .m .l{font-size:.62rem;letter-spacing:.06em}
  .m{padding-left:10px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
#bar.compact #startBtn,#bar.compact #saveBtn{min-height:44px;padding-top:6px;padding-bottom:6px}
#bar.compact .barrow{margin-top:8px}
#bar.compact .readout .m{padding-top:8px}
#bar.compact .top{display:none}