:root{
  --bg:#0a0e0c;
  --panel:#111613;
  --panel-2:#161c19;
  --panel-3:#1c2420;
  --line:#1f2a25;
  --line-2:#2a3631;
  --ink:#e6eee9;
  --muted:#7d8a83;
  --muted-2:#5a6661;
  --accent:#a8ff60;
  --accent-2:#5ad1ff;
  --accent-3:#ffb84d;
  --warn:#ff8a3d;
  --danger:#ff5d6c;
  --off:#3a4742;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:'JetBrains Mono',monospace;font-size:13px}
body{
  background:
    radial-gradient(1400px 700px at 80% -10%, rgba(168,255,96,.06), transparent 60%),
    radial-gradient(1000px 600px at -10% 110%, rgba(90,209,255,.05), transparent 60%),
    var(--bg);
  min-height:100vh;
}
header{
  padding:14px 24px;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  background:
    linear-gradient(180deg, rgba(168,255,96,.025), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.015), transparent);
  position:sticky;top:0;z-index:10;backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.brand{display:flex;gap:14px;align-items:center}
.brand-mark{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:38px;height:38px;
  filter:drop-shadow(0 0 8px rgba(168,255,96,.15));
  transition:filter .3s;
}
.brand-mark:hover .brand-logo{filter:drop-shadow(0 0 14px rgba(168,255,96,.35))}
.brand-text{display:flex;flex-direction:column;gap:2px}
.brand h1{
  font-family:'Fraunces',serif;font-weight:800;font-size:23px;letter-spacing:-.6px;margin:0;
  line-height:1;
}
.brand h1 em{color:var(--accent);font-style:normal;font-weight:400}
.brand .sub{color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:2.2px;line-height:1.4}

.status{display:flex;gap:14px;align-items:center;font-size:11px;color:var(--muted)}
.trust-pills{display:flex;gap:6px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 10px;border-radius:99px;
  background:rgba(168,255,96,.04);
  border:1px solid rgba(168,255,96,.18);
  color:var(--ink);font-size:10px;font-weight:500;letter-spacing:.6px;
  cursor:help;transition:all .2s;
  white-space:nowrap;
}
.pill:hover{background:rgba(168,255,96,.08);border-color:rgba(168,255,96,.35)}
.pill-dot{width:6px;height:6px;border-radius:50%;display:inline-block}
.pill-dot-green{background:var(--accent);box-shadow:0 0 6px var(--accent)}
.sys-status{
  display:inline-flex;gap:6px;align-items:center;
  padding:4px 10px;border-radius:99px;
  background:var(--panel-2);border:1px solid var(--line-2);
  font-size:10px;text-transform:uppercase;letter-spacing:1.4px;
}
.clock{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  color:var(--accent-2);letter-spacing:1px;
  padding:4px 10px;border-radius:4px;
  background:rgba(90,209,255,.04);border:1px solid rgba(90,209,255,.15);
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 1.6s infinite}
.dot.warn{background:var(--warn);box-shadow:0 0 10px var(--warn)}
.dot.danger{background:var(--danger);box-shadow:0 0 10px var(--danger)}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}

/* Responsive header: hide trust pills on narrow screens */
@media (max-width:1100px){
  .trust-pills{display:none}
}
@media (max-width:760px){
  .clock{display:none}
  .brand h1{font-size:19px}
}

/* ============================================================
   WELCOME OVERLAY — shown on first visit only
   ============================================================ */
.welcome-overlay{
  position:fixed;inset:0;z-index:100;
  background:
    radial-gradient(800px 500px at 50% 30%, rgba(168,255,96,.05), transparent 70%),
    radial-gradient(600px 400px at 50% 80%, rgba(90,209,255,.04), transparent 70%),
    rgba(10,14,12,.78);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:center;
  padding:32px 20px;
  opacity:0;pointer-events:none;
  transition:opacity .35s ease;
}
.welcome-overlay.open{opacity:1;pointer-events:auto}
.welcome-modal{
  position:relative;
  width:min(540px,100%);
  background:linear-gradient(180deg, var(--panel-2), var(--panel-3));
  border:1px solid var(--line-2);border-radius:14px;
  padding:32px 36px 26px;
  box-shadow:
    0 24px 60px -20px rgba(0,0,0,.7),
    0 0 0 1px rgba(168,255,96,.08) inset,
    0 1px 0 rgba(255,255,255,.04) inset;
  transform:translateY(12px) scale(.985);
  transition:transform .35s cubic-bezier(.2,.8,.2,1);
}
.welcome-overlay.open .welcome-modal{transform:translateY(0) scale(1)}
.welcome-close{
  position:absolute;top:12px;right:14px;
  background:transparent;border:none;color:var(--muted);
  font-size:22px;line-height:1;cursor:pointer;padding:4px 8px;
  border-radius:4px;transition:all .15s;
}
.welcome-close:hover{color:var(--ink);background:rgba(255,255,255,.04)}
.welcome-hero{display:flex;justify-content:center;margin-bottom:14px}
.welcome-hero-svg{
  width:54px;height:54px;
  filter:drop-shadow(0 0 16px rgba(168,255,96,.28));
}
.welcome-title{
  font-family:'Fraunces',serif;font-weight:700;font-size:26px;letter-spacing:-.5px;
  text-align:center;margin:0 0 10px;line-height:1.2;
}
.brand-accent{
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.welcome-lead{
  font-size:13px;color:var(--ink);opacity:.88;line-height:1.6;
  text-align:center;margin:0 0 22px;
}
.welcome-lead b{color:var(--accent);font-weight:500}
.welcome-steps{display:flex;flex-direction:column;gap:14px;margin-bottom:22px}
.welcome-step{
  display:flex;gap:14px;align-items:flex-start;
  padding:12px 14px;border-radius:6px;
  background:rgba(255,255,255,.015);
  border:1px solid rgba(255,255,255,.04);
  transition:all .2s;
}
.welcome-step:hover{
  background:rgba(168,255,96,.03);
  border-color:rgba(168,255,96,.12);
}
.welcome-step-num{
  flex:none;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg, var(--accent), #7fcc48);
  color:#0a0e0c;font-family:'Fraunces',serif;font-weight:700;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(168,255,96,.25);
}
.welcome-step-title{font-weight:600;font-size:13px;margin-bottom:3px}
.welcome-step-desc{font-size:11px;color:var(--muted);line-height:1.5}
.welcome-trust{
  display:flex;gap:6px;flex-wrap:wrap;align-items:center;justify-content:center;
  margin-bottom:22px;font-size:10px;color:var(--muted);
  text-transform:uppercase;letter-spacing:1.5px;
}
.welcome-trust > span:first-child{margin-right:4px;color:var(--muted-2)}
.welcome-badge{
  padding:3px 9px;border-radius:99px;
  background:rgba(90,209,255,.06);
  border:1px solid rgba(90,209,255,.18);
  color:var(--accent-2);
  font-size:9.5px;font-weight:500;letter-spacing:1px;text-transform:none;
}
.welcome-cta{
  font-size:13px;letter-spacing:1.5px;padding:14px 20px;
  font-family:'JetBrains Mono',monospace;font-weight:700;
}
.welcome-foot{
  margin-top:14px;text-align:center;font-size:9.5px;color:var(--muted-2);
  letter-spacing:1.5px;text-transform:uppercase;
}

@media (max-width:560px){
  .welcome-modal{padding:24px 22px 22px}
  .welcome-title{font-size:22px}
  .welcome-lead{font-size:12px}
  .welcome-step{padding:10px 12px}
}

/* Tab navigation */
.tabs{display:flex;gap:0;border-bottom:1px solid var(--line);background:var(--panel)}
.tab{
  padding:14px 22px;cursor:pointer;border:none;background:none;color:var(--muted);
  font-family:inherit;font-size:11px;text-transform:uppercase;letter-spacing:2px;font-weight:500;
  border-bottom:2px solid transparent;transition:all .15s;
}
.tab:hover{color:var(--ink)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}

.view{display:none}
.view.active{display:block}

/* ================= SYSTEM TAB ================= */
.system-view{padding:24px}
.system-grid{display:grid;grid-template-columns:1fr 360px;gap:24px;max-width:1600px;margin:0 auto}

.rack{
  background:
    radial-gradient(700px 200px at 50% 0%, rgba(168,255,96,.03), transparent 70%),
    var(--panel);
  border:1px solid var(--line);border-radius:8px;padding:22px;
  display:flex;flex-direction:column;gap:12px;
  position:relative;
  box-shadow:
    0 1px 0 rgba(255,255,255,.025) inset,
    0 24px 60px -28px rgba(0,0,0,.6);
}
.rack-title{
  font-family:'Fraunces',serif;font-size:18px;margin:0 0 8px;
  display:flex;justify-content:space-between;align-items:center;
}
.rack-title small{color:var(--muted);font-family:'JetBrains Mono';font-size:10px;text-transform:uppercase;letter-spacing:2px;font-weight:400}

/* ============================================================
   Vertical "fluid path" running along the rack — visible only
   when the system is ON (body.system-on). Implemented as a thin
   gradient line with animated dots flowing top→bottom.
   ============================================================ */
.rack::before{
  content:'';position:absolute;
  left:42px;top:74px;bottom:24px;width:2px;
  background:linear-gradient(180deg,
    transparent 0%,
    rgba(168,255,96,.0) 4%,
    rgba(168,255,96,.18) 12%,
    rgba(90,209,255,.18) 50%,
    rgba(255,184,77,.18) 88%,
    transparent 100%);
  border-radius:1px;
  opacity:0;transition:opacity .5s ease;
  pointer-events:none;
}
body.system-on .rack::before{opacity:1}
.rack::after{
  content:'';position:absolute;
  left:39px;top:74px;width:8px;height:8px;border-radius:50%;
  background:radial-gradient(circle, var(--accent) 0%, rgba(168,255,96,.4) 60%, transparent 100%);
  filter:blur(.5px);
  opacity:0;
  pointer-events:none;
}
body.system-on .rack::after{
  opacity:1;
  animation:fluid-flow 4.5s linear infinite;
}
@keyframes fluid-flow{
  0%{transform:translateY(0);opacity:0}
  10%{opacity:.9}
  90%{opacity:.6}
  100%{transform:translateY(720px);opacity:0}
}

.module{
  background:
    linear-gradient(180deg, var(--panel-2) 0%, var(--panel-3) 100%),
    radial-gradient(circle at 30% 0%, rgba(255,255,255,.03), transparent 70%);
  border:1px solid var(--line-2);border-radius:6px;padding:16px;
  display:grid;grid-template-columns:60px 1fr auto;gap:16px;align-items:center;
  position:relative;transition:all .25s cubic-bezier(.2,.8,.2,1);
  box-shadow:
    0 1px 0 rgba(255,255,255,.025) inset,
    0 -1px 0 rgba(0,0,0,.2) inset,
    0 8px 20px -12px rgba(0,0,0,.5);
}
.module:hover{
  transform:translateY(-1px);
  border-color:#34423b;
  box-shadow:
    0 1px 0 rgba(255,255,255,.04) inset,
    0 -1px 0 rgba(0,0,0,.3) inset,
    0 14px 30px -16px rgba(0,0,0,.65),
    0 0 0 1px rgba(168,255,96,.06);
}
.module::before{
  content:'';position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--off);border-radius:6px 0 0 6px;
  transition:all .25s;
}
.module.on{
  border-color:#2d3b34;
  box-shadow:
    0 1px 0 rgba(255,255,255,.035) inset,
    0 -1px 0 rgba(0,0,0,.25) inset,
    0 12px 28px -14px rgba(0,0,0,.55),
    0 0 0 1px rgba(168,255,96,.08);
}
.module.on::before{
  background:linear-gradient(180deg, var(--accent) 0%, #7fcc48 100%);
  box-shadow:0 0 14px rgba(168,255,96,.55), 0 0 2px rgba(168,255,96,.9) inset;
}
.module.warn::before{
  background:linear-gradient(180deg, var(--warn) 0%, #cc6a2e 100%);
  box-shadow:0 0 14px rgba(255,138,61,.6);
}

.module-icon{
  width:50px;height:50px;border:1px solid var(--line-2);border-radius:6px;
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(circle at 30% 25%, rgba(255,255,255,.04), transparent 60%),
    linear-gradient(180deg, #131915, #0e1311);
  position:relative;
  box-shadow:
    0 1px 0 rgba(255,255,255,.03) inset,
    0 -1px 0 rgba(0,0,0,.3) inset;
  transition:all .25s;
}
.module-icon::after{
  /* Subtle glass-screen reflection on the icon tile */
  content:'';position:absolute;inset:0;border-radius:6px;
  background:linear-gradient(160deg, rgba(255,255,255,.04) 0%, transparent 35%);
  pointer-events:none;
}
.module-icon svg{
  width:30px;height:30px;stroke:var(--muted);fill:none;stroke-width:1.5;
  transition:all .3s;position:relative;z-index:1;
}
.module.on .module-icon{
  border-color:rgba(168,255,96,.25);
  box-shadow:
    0 1px 0 rgba(255,255,255,.04) inset,
    0 -1px 0 rgba(0,0,0,.3) inset,
    0 0 14px rgba(168,255,96,.12);
}
.module.on .module-icon svg{
  stroke:var(--accent);
  filter:drop-shadow(0 0 4px rgba(168,255,96,.5));
}

.module-body .name{font-weight:600;font-size:13px;margin-bottom:3px;display:flex;align-items:center;gap:8px}
.step-tag{
  display:inline-flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:50%;
  background:var(--panel);border:1px solid var(--line-2);
  color:var(--muted);font-size:10px;font-weight:600;
  font-family:'Fraunces',serif;
}
.module.on .step-tag{
  background:var(--accent);color:#0a0e0c;border-color:var(--accent);
}
/* Sample module visual emphasis as step 1 */
.step-module{border-left:2px solid var(--accent-2)}
#sampleListInline{
  max-height:160px;overflow-y:auto;
  display:flex;flex-direction:column;gap:4px;
}
#sampleListInline .compound{
  background:var(--panel);border:1px solid var(--line);
  border-left:2px solid var(--accent-2);
  padding:6px 8px;border-radius:2px;font-size:11px;
  display:grid;grid-template-columns:1fr auto;gap:4px;align-items:center;
}
#sampleListInline .compound .name-row{font-weight:500}
#sampleListInline .compound .props-row{font-size:9px;color:var(--muted);grid-column:1/3}
#sampleListInline .compound .conc{color:var(--accent-2)}
#sampleListInline .compound .remove{background:none;border:none;color:var(--danger);cursor:pointer;font-size:14px;padding:0}
.module-body .desc{font-size:10px;color:var(--muted);letter-spacing:.5px}
.module-body select{margin-top:8px;width:100%;max-width:380px}
.module-body .specs{
  display:flex;gap:14px;margin-top:8px;font-size:10px;color:var(--muted-2);
  text-transform:uppercase;letter-spacing:1.5px;flex-wrap:wrap;
}
.module-body .specs b{color:var(--accent-2);font-weight:500}

/* ============================================================
   LED banks — module status indicators on the right edge.
   When ON, LEDs pulse softly with realistic glow.
   ============================================================ */
.led-bank{
  display:flex;flex-direction:column;gap:5px;align-items:flex-end;
  padding:6px 4px;
  background:linear-gradient(180deg, rgba(0,0,0,.25), rgba(0,0,0,.1));
  border:1px solid #161c19;border-radius:4px;
  box-shadow:0 1px 0 rgba(255,255,255,.02) inset, 0 -1px 0 rgba(0,0,0,.3) inset;
}
.led{
  width:7px;height:7px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%, #2a3631, #0a0e0c);
  border:1px solid #0a0e0c;
  box-shadow:0 1px 1px rgba(0,0,0,.4) inset;
  position:relative;
  transition:all .3s;
}
.led.on{
  background:radial-gradient(circle at 35% 30%, #d4ff96 0%, var(--accent) 40%, #5a8a2e 100%);
  box-shadow:
    0 0 6px var(--accent),
    0 0 12px rgba(168,255,96,.5),
    0 1px 2px rgba(0,0,0,.4) inset;
  animation:led-breathe 2.4s ease-in-out infinite;
}
.led.warn{
  background:radial-gradient(circle at 35% 30%, #ffd494 0%, var(--warn) 40%, #884418 100%);
  box-shadow:
    0 0 6px var(--warn),
    0 0 12px rgba(255,138,61,.5),
    0 1px 2px rgba(0,0,0,.4) inset;
  animation:led-breathe 1.6s ease-in-out infinite;
}
.led.on:nth-child(1){animation-delay:0s}
.led.on:nth-child(2){animation-delay:.4s}
.led.on:nth-child(3){animation-delay:.8s}
@keyframes led-breathe{
  0%,100%{opacity:.85}
  50%{opacity:1}
}

/* Step tag (1..7) gets a richer treatment too */
.step-tag{
  background:linear-gradient(180deg, var(--panel), var(--panel-3));
  box-shadow:
    0 1px 0 rgba(255,255,255,.04) inset,
    0 -1px 0 rgba(0,0,0,.2) inset,
    0 2px 4px -2px rgba(0,0,0,.5);
}
.module.on .step-tag{
  background:linear-gradient(135deg, var(--accent), #7fcc48);
  color:#0a0e0c;border-color:var(--accent);
  box-shadow:
    0 1px 0 rgba(255,255,255,.15) inset,
    0 -1px 0 rgba(0,0,0,.15) inset,
    0 0 10px rgba(168,255,96,.4);
}

/* ============================================================
   Module info tooltip — appears below a module on hover,
   triggered by data-tip attribute. Pure CSS.
   ============================================================ */
.module[data-tip]:hover::after{
  content:attr(data-tip);
  position:absolute;
  top:calc(100% + 6px);left:60px;right:auto;
  max-width:340px;
  background:linear-gradient(180deg, #1a221d, #131814);
  border:1px solid var(--line-2);border-radius:6px;
  padding:10px 14px;
  font-size:11px;color:var(--ink);line-height:1.55;
  letter-spacing:.2px;
  z-index:20;pointer-events:none;
  box-shadow:0 12px 30px -12px rgba(0,0,0,.7);
  opacity:0;transform:translateY(-4px);
  animation:tip-in .2s ease-out forwards;
  white-space:normal;
}
.module[data-tip]:hover::before{
  /* Same trick reused: turn the left status bar into a notch.
     Already styled — we add a small triangle hint instead via the icon. */
}
@keyframes tip-in{
  to{opacity:1;transform:translateY(0)}
}

/* Module-specific controls (mini sliders inline) */
.mod-ctrl{margin-top:10px;display:grid;grid-template-columns:1fr;gap:6px}
.mod-ctrl .row{display:flex;justify-content:space-between;font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.mod-ctrl .row .val{color:var(--accent)}
.mod-ctrl input[type=range]{width:100%;accent-color:var(--accent)}

/* Right config panel */
.config-panel{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:18px;height:fit-content;position:sticky;top:80px}
.config-panel h3{font-family:'Fraunces',serif;font-size:16px;margin:0 0 14px;padding-bottom:10px;border-bottom:1px solid var(--line)}

/* ================= ANALYSIS TAB ================= */
.analysis-view{display:grid;grid-template-columns:320px 1fr 320px;min-height:calc(100vh - 105px)}
.panel{padding:18px;border-right:1px solid var(--line);overflow-y:auto}
.panel:last-child{border-right:none;border-left:1px solid var(--line)}
.center{padding:18px;display:flex;flex-direction:column;gap:14px}

h2{font-family:'Fraunces',serif;font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:3px;color:var(--muted);margin:0 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line)}
.group{margin-bottom:22px}

label{display:block;font-size:10px;text-transform:uppercase;letter-spacing:1.5px;color:var(--muted);margin-bottom:6px}
.row{display:flex;gap:8px;align-items:center;margin-bottom:10px}
.row label{margin:0;flex:1}
.row .val{color:var(--accent);font-weight:500}

input[type=range]{width:100%;accent-color:var(--accent);background:transparent}
select, input[type=text], input[type=number]{
  width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--ink);
  padding:8px 10px;font-family:inherit;font-size:12px;border-radius:2px;
}
select:focus, input:focus{outline:none;border-color:var(--accent)}

.btn{
  background:var(--accent);color:#0a0e0c;border:none;padding:11px 16px;
  font-family:inherit;font-weight:700;font-size:11px;letter-spacing:2px;text-transform:uppercase;
  cursor:pointer;width:100%;border-radius:2px;transition:all .15s;
}
.btn:hover{background:#bfff7a;transform:translateY(-1px)}
.btn.secondary{background:transparent;border:1px solid var(--line);color:var(--ink);font-weight:500}
.btn.secondary:hover{border-color:var(--accent);color:var(--accent);transform:none}
.btn.danger{background:var(--danger);color:#fff}
.btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btn:disabled:hover{transform:none;background:var(--accent)}
.btn.shake{animation:shake .3s}
@keyframes shake{
  0%,100%{transform:translateX(0)}
  25%{transform:translateX(-6px)}
  75%{transform:translateX(6px)}
}
/* Locked controls visual state */
select:disabled, input:disabled{
  opacity:0.55; cursor:not-allowed;
}
input[type=range]:disabled{
  opacity:0.4; cursor:not-allowed;
}
.panel.locked, .rack.locked{
  position:relative;
}
.panel.locked::after, .rack.locked::after{
  content:'🔒 sistema en línea';
  position:absolute; top:8px; right:12px;
  background:rgba(168,255,96,.1); color:var(--accent);
  padding:3px 8px; border-radius:2px; font-size:9px;
  letter-spacing:1.5px; text-transform:uppercase;
  pointer-events:none; z-index:5;
  border:1px solid rgba(168,255,96,.3);
}

/* Chromatogram */
.chromo-wrap{
  background:
    radial-gradient(700px 400px at 50% -10%, rgba(168,255,96,.025), transparent 70%),
    var(--panel);
  border:1px solid var(--line);border-radius:6px;padding:16px 18px;position:relative;
  box-shadow:0 8px 24px -16px rgba(0,0,0,.5);
}
.chromo-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;flex-wrap:wrap;gap:8px}
.chromo-head h3{font-family:'Fraunces',serif;font-size:17px;margin:0;letter-spacing:-.2px}
.chromo-head .meta{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:1.5px}
svg.chromo{width:100%;height:auto;display:block}
.grid line{stroke:#1c2622;stroke-width:.5}
.axis{stroke:#3a4742;stroke-width:1}
.axis-label{fill:var(--muted);font-size:9.5px;font-family:'JetBrains Mono';letter-spacing:1px}
.trace{
  fill:none;stroke-width:1.6;
  stroke-linecap:round;stroke-linejoin:round;
  filter:drop-shadow(0 0 5px rgba(168,255,96,.45));
}
.peak-label{
  fill:var(--ink);font-size:10px;font-family:'JetBrains Mono';
  text-anchor:middle;font-weight:500;
  cursor:default;
}
.peak-label[data-ms-analyte]{cursor:pointer}
.peak-label[data-ms-analyte]:hover{fill:var(--accent)}
.peak-tr{font-size:8.5px;font-family:'JetBrains Mono';text-anchor:middle;opacity:.75;letter-spacing:.4px}

/* Sample panel */
.compound{
  background:var(--panel-2);border:1px solid var(--line);border-left:3px solid var(--accent);
  padding:10px;margin-bottom:8px;border-radius:2px;
  display:grid;grid-template-columns:1fr auto;gap:6px;align-items:center;
}
.compound .name{font-weight:500;font-size:12px}
.compound .props{font-size:10px;color:var(--muted);grid-column:1/3}
.compound .conc{color:var(--accent-2);font-size:11px}
.compound .remove{background:none;border:none;color:var(--danger);cursor:pointer;font-size:14px;padding:0 4px}

.preset-grid{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-bottom:14px}
.preset-grid .btn{padding:8px 6px;font-size:10px;letter-spacing:1px}

.results-table{width:100%;border-collapse:collapse;font-size:11px}
.results-table th{
  text-align:left;color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:1.5px;
  padding:8px 4px;border-bottom:1px solid var(--line);font-weight:500;
  position:sticky;top:0;background:var(--panel);z-index:1;
}
.results-table td{padding:8px 4px;border-bottom:1px solid #131915;font-size:11px;transition:background .15s}
.results-table tr:hover td{background:rgba(168,255,96,.05)}
.results-table tr:nth-child(even) td{background:rgba(255,255,255,.012)}
.results-table tr:nth-child(even):hover td{background:rgba(168,255,96,.05)}

/* Badges inline within table cells. Used to surface qualitative pass/fail
   flags next to each peak (LOQ pass, S/N pass, MRM detected, etc.). */
.badge{
  display:inline-flex;align-items:center;gap:4px;
  padding:2px 7px;border-radius:99px;
  font-size:9px;font-weight:500;letter-spacing:.8px;text-transform:uppercase;
  margin-right:4px;line-height:1.4;white-space:nowrap;
}
.badge-ok{
  background:rgba(168,255,96,.08);
  border:1px solid rgba(168,255,96,.25);
  color:var(--accent);
}
.badge-warn{
  background:rgba(255,138,61,.08);
  border:1px solid rgba(255,138,61,.28);
  color:var(--warn);
}
.badge-danger{
  background:rgba(255,93,108,.08);
  border:1px solid rgba(255,93,108,.28);
  color:var(--danger);
}
.badge-info{
  background:rgba(90,209,255,.07);
  border:1px solid rgba(90,209,255,.22);
  color:var(--accent-2);
}
.badge-mute{
  background:rgba(255,255,255,.025);
  border:1px solid var(--line-2);
  color:var(--muted);
}
.badge-dot{
  width:5px;height:5px;border-radius:50%;
  background:currentColor;box-shadow:0 0 5px currentColor;
}

.info-strip{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden;
  box-shadow:0 8px 20px -12px rgba(0,0,0,.5);
}
.info-strip > div{
  background:linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  padding:11px 14px;
  position:relative;
  transition:background .2s;
}
.info-strip > div:hover{background:linear-gradient(180deg, var(--panel-2) 0%, var(--panel-3) 100%)}
.info-strip .k{
  font-size:9px;color:var(--muted);text-transform:uppercase;letter-spacing:1.6px;margin-bottom:6px;
  display:flex;align-items:center;gap:6px;
}
.stat-icon{
  width:13px;height:13px;flex:none;
  color:var(--accent-2);opacity:.7;
}
.info-strip .v{
  font-size:18px;font-family:'Fraunces',serif;font-weight:600;color:var(--accent);
  line-height:1.1;letter-spacing:-.3px;
}
.info-strip .v.danger{color:var(--danger)}
.info-strip .v.warn{color:var(--warn)}
.info-strip .v small{font-size:10px;color:var(--muted);font-family:'JetBrains Mono';font-weight:400;margin-left:5px;letter-spacing:.5px}

.note{font-size:10px;color:var(--muted);line-height:1.6;margin-top:8px;padding:10px;background:var(--panel-2);border-radius:2px;border-left:2px solid var(--accent-2)}

.alert{padding:8px 12px;border-radius:2px;font-size:11px;margin-bottom:10px;border-left:3px solid}
.alert.warn{background:rgba(255,138,61,.08);border-color:var(--warn);color:var(--warn)}
.alert.danger{background:rgba(255,93,108,.08);border-color:var(--danger);color:var(--danger)}

/* Solvent channels */
.solv-channel{
  background:var(--panel-2);border:1px solid var(--line);border-radius:3px;
  padding:8px 10px;margin-bottom:6px;
  border-left:3px solid var(--accent);
  transition:all .2s;
}
.solv-channel[data-channel="A"]{border-left-color:#5ad1ff}
.solv-channel[data-channel="B"]{border-left-color:#a8ff60}
.solv-channel[data-channel="C"]{border-left-color:#ffb84d}
.solv-channel[data-channel="D"]{border-left-color:#ff60d4}
.solv-channel.collapsed{display:none}
.solv-label{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}
.solv-pct{color:var(--accent);font-family:'JetBrains Mono';font-size:11px;font-weight:500;text-transform:none;letter-spacing:0}
.ch-remove{
  background:none;border:none;color:var(--danger);cursor:pointer;
  font-size:14px;padding:0 4px;margin-left:6px;
}
.add-channels{display:flex;gap:6px;margin-top:6px}
.chan-btn{padding:7px 8px;font-size:10px;letter-spacing:1px;flex:1}
.add-channels.hidden{display:none}
.gradient-table{width:100%;font-size:11px;border-collapse:collapse;margin-top:6px}
.gradient-table th,.gradient-table td{padding:4px 6px;border-bottom:1px solid var(--line);text-align:left}
.gradient-table th{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:1.5px;font-weight:500}
.gradient-table input{padding:3px 6px;font-size:11px}
.gradient-table .del{background:none;border:none;color:var(--danger);cursor:pointer}

@media (max-width:1100px){
  .analysis-view{grid-template-columns:1fr}
  .panel{border-right:none;border-bottom:1px solid var(--line)}
  .panel:last-child{border-left:none}
  .system-grid{grid-template-columns:1fr}
  .info-strip{grid-template-columns:repeat(2,1fr)}
}

/* ================= PubChem autocomplete styling ================= */
.pubchem-search{position:relative}
.search-status{
  position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:10px;color:var(--muted);pointer-events:none;
}
.search-status.loading::before{content:'⟳';display:inline-block;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

.autocomplete-list{
  position:absolute;top:100%;left:0;right:0;z-index:20;
  background:var(--panel);border:1px solid var(--accent);border-top:none;
  max-height:220px;overflow-y:auto;display:none;border-radius:0 0 2px 2px;
}
.autocomplete-list.open{display:block}
.autocomplete-item{
  padding:8px 12px;cursor:pointer;font-size:11px;border-bottom:1px solid #131915;
  transition:background .1s;
}
.autocomplete-item:hover, .autocomplete-item.active{background:rgba(168,255,96,.08);color:var(--accent)}
.autocomplete-item:last-child{border-bottom:none}
.autocomplete-empty{padding:10px 12px;color:var(--muted);font-size:10px;text-align:center}

.compound-preview{
  margin-top:10px;background:var(--panel-2);border:1px solid var(--line);
  border-left:3px solid var(--accent-2);padding:12px;border-radius:2px;
}
.preview-header{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;gap:8px}
.preview-name{font-weight:600;font-size:13px;text-transform:capitalize}
.preview-formula{font-size:10px;color:var(--accent-2);font-family:'Fraunces',serif}
.preview-body{display:grid;grid-template-columns:90px 1fr;gap:10px;margin-bottom:10px}
.preview-img{
  width:90px;height:90px;background:#fff;border-radius:2px;object-fit:contain;padding:4px;
  border:1px solid var(--line);
}
.preview-props{display:flex;flex-direction:column;gap:3px;font-size:10px}
.prop-row{display:flex;justify-content:space-between;padding:2px 0;border-bottom:1px dotted var(--line)}
.prop-row span{color:var(--muted);text-transform:uppercase;letter-spacing:1px}
.prop-row b{color:var(--ink);font-weight:500;font-family:'JetBrains Mono'}
.preview-controls{display:flex;gap:6px;margin-bottom:8px}
.preview-note{font-size:9px;color:var(--muted);line-height:1.4;padding:6px 8px;background:rgba(90,209,255,.05);border-radius:2px}