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0;background:#242f29;border-radius:8px}video[hidden],audio[hidden],[hidden]{display:none!important}audio{width:100%;margin-top:18px}.spectrum-wrap{position:relative;background:#242f29;border-radius:9px;overflow:hidden;min-height:250px}canvas{display:block;width:100%;height:auto}#spectrum{aspect-ratio:1100/400;cursor:crosshair}.canvas-empty{position:absolute;inset:0;display:grid;place-items:center;color:#586651;font-size:13px;pointer-events:none}.chart-foot{display:flex;align-items:center;justify-content:space-between;gap:15px;font-size:10px;color:#586651;margin-top:10px}.checkbox{flex-direction:row;align-items:center;font-size:10px}.checkbox input{width:auto}.event-heading{display:flex;align-items:center;justify-content:space-between;gap:10px;border-top:1px solid var(--line);margin-top:25px;padding-top:15px}.event-heading>div{display:flex;gap:8px}.file-button{display:inline-flex;padding:8px 11px;font-size:11px}.file-button input{display:none}.event-heading 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.recording-pickers{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin:8px 0}.recording-pickers button{font-size:12px}.dropzone>span:not(.upload-icon){max-width:540px;line-height:1.6}

.sample-library{margin:24px 0;padding:24px;border:1px solid #c8c6b1;border-radius:16px;background:#faf7ec}.sample-library h3{margin:8px 0}.sample-library .actions label{display:flex;gap:12px;align-items:center}.sample-library select{min-width:210px}@media(max-width:600px){.sample-library{padding:16px}.sample-library .actions label{width:100%;flex-wrap:wrap}}

#detections{max-height:650px;overflow-y:auto;overscroll-behavior:contain;}

/* Field notebook. The ruled margins continue between plates and instruments. */
:root {
  --ink:#253b31; --muted:#536254; --line:#c7c5af; --accent:#9c4524; --paper:#f6f2e6;
  --type:ui-monospace,"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  background:var(--paper); color:var(--ink);
}
body {background:repeating-linear-gradient(0deg,transparent 0 31px,#4a59420a 31px 32px)}
header {height:62px;border-bottom:1px solid var(--ink)}
.brand {font-family:Georgia,serif;font-weight:normal}
.mark {background:var(--ink);color:var(--paper);border-radius:0}
.dot,.eyebrow,.hero-links a:first-child {color:var(--accent)}
.crumb,.eyebrow,.steps,.pill,.hero-links,figcaption,.plate-key,.scope-idle,footer {font-family:var(--type)}
.hero {grid-template-columns:1fr 1fr;gap:5vw;padding:40px 0 32px}
h1,h2,h3 {font-family:Georgia,"Times New Roman",serif;color:var(--ink)}
h1 {font-size:clamp(52px,7vw,92px);font-weight:400;letter-spacing:-.065em;margin:0}
h1 i {color:var(--accent);font-weight:400}
h2 {font-size:clamp(24px,3vw,36px);font-weight:400}
.hero p {margin:14px 0 18px;color:var(--ink)}
.hero-links {display:flex;gap:20px;align-items:center;flex-wrap:wrap;font-size:13px}
a {color:#345842;text-underline-offset:3px}
.field-plate {min-width:0;margin:0;border-block:1px solid var(--ink);padding:10px 0 8px}
.field-plate pre {font:clamp(10px,1.2vw,16px)/1.12 var(--type);color:#43543c;width:max-content;max-width:100%;margin:10px auto}
figcaption,.plate-key {font-size:10px;display:flex;align-items:center;justify-content:space-between;letter-spacing:.09em}
figcaption span {color:var(--accent)}
.plate-key {border-top:1px dotted var(--line);padding-top:6px;color:var(--muted)}
.notice {border-width:1px 0;border-radius:0;background:none}
.steps {flex-wrap:wrap;gap:10px 24px;margin:20px 0}
.steps a {color:var(--ink)} .steps span {color:var(--accent)}
.panel {border:0;border-top:2px solid var(--ink);border-radius:0;padding:22px 20px 28px;background:#fbf8ee;box-shadow:none}
.pill {background:none;border:1px dashed var(--line);color:#56634a;border-radius:0;white-space:normal}
button,.file-button,input,select,textarea,.example,.sample-library,.dropzone,.auto-info,.empty-list,.result-head,.detection-card,.spectrum-wrap {border-radius:2px}
button.primary {background:#355542;border-color:#355542;box-shadow:none}
button.primary:hover {background:#243e30}
.example,.sample-library,.result-head,.auto-info {background:#eeecdf}
.dropzone,.detection-card {background:#faf8ef}
.spectrum-wrap {background:#1c2a24}
.spectrum-wrap:has(.canvas-empty:not([hidden])) {background-color:#1c2a24;background-image:linear-gradient(#a9bd9012 1px,transparent 1px),linear-gradient(90deg,#a9bd9012 1px,transparent 1px);background-size:32px 32px}
.scope-idle {text-align:center;color:#dddcc5;line-height:1.5}
.scope-idle span {font-size:10px;letter-spacing:.16em;color:#c3ceaa}
.scope-idle pre {font:15px/1.12 var(--type);margin:12px auto;width:max-content;text-align:left;color:#dba067}
.scope-idle a {color:#ffcd90;text-decoration:underline;pointer-events:auto}
:where(button,a,input,select,summary):focus-visible {outline:2px solid #a4502b;outline-offset:3px}
@media(max-width:700px){
  .hero {grid-template-columns:1fr;gap:22px;padding:26px 0 20px}
  .field-plate pre {font-size:clamp(9px,2.6vw,14px)}
  .steps {justify-content:flex-start;gap:10px 15px}
  .panel {padding:20px 13px}.section-head {flex-wrap:wrap}
}

/* Illustrated plates keep the analytical canvas free for measured data. */
.field-plate .meadow {margin:9px 0;width:100%;aspect-ratio:12/5}
.plate-key {padding-top:7px}
.meadow-toggle {font:11px var(--type);letter-spacing:0;color:#314d40;border:1px solid #859983;background:#faf7e8;padding:5px 9px;line-height:1.2}
.canvas-empty:has(.meadow) {display:flex;flex-direction:column;background:#f4eddf}
.canvas-empty .meadow {display:block;width:100%;height:calc(100% - 35px);min-height:0}
.canvas-empty .scope-idle {display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;min-height:35px;padding:3px 12px;background:#f4eddf;color:#29493c}
.scope-idle span,.scope-idle a {color:#345442}
.scope-idle button {pointer-events:auto}
@media(max-width:500px){.canvas-empty .scope-idle {padding:3px 5px;font-size:11px}.scope-idle span {font-size:8px;letter-spacing:0}}
svg.meadow {display:block;width:100%;overflow:hidden;font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;background:linear-gradient(#b5d7cd,#f9dcbc 48%,#f8e5ba 69%,#d9dcb8 100%)}
svg.meadow text {white-space:pre;font-variant-ligatures:none}