:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:#111827;background:#f3f4f6}
*{box-sizing:border-box}
body{margin:0;background:#f3f4f6;color:#111827}
header{background:#1f2937;color:white;padding:calc(18px + env(safe-area-inset-top)) 18px 18px;display:flex;justify-content:space-between;align-items:flex-start}
header h1{margin:2px 0 0;font-size:28px}.eyebrow{font-size:13px;opacity:.8;text-transform:uppercase;letter-spacing:.08em}.subtitle{margin:4px 0 0;opacity:.8}
main{max-width:820px;margin:auto;padding:16px 14px 40px}
.search-panel,.help,.setting-card,.fallback{background:white;border-radius:16px;padding:16px;margin-bottom:14px;box-shadow:0 1px 5px rgba(0,0,0,.08)}
label{display:block;font-weight:700;margin-bottom:8px}
.search-row{display:flex;gap:8px}
input{flex:1;min-width:0;border:1px solid #cbd5e1;border-radius:12px;padding:14px;font-size:18px;text-transform:uppercase}
button{border:0;border-radius:12px;padding:12px 15px;background:#111827;color:white;font-weight:700;font-size:15px}
button:active{transform:scale(.98)}
.ghost{background:rgba(255,255,255,.15)}
.status{margin:10px 0 0;color:#475569;font-size:14px}
.alias-note{margin-top:10px;padding:9px 11px;border-radius:10px;background:#e0f2fe;color:#075985;font-size:14px;font-weight:600}
.hidden{display:none!important}
.setting-card{padding:16px}
.card-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.card-top h2{font-size:30px;margin:0}.type{text-transform:capitalize;color:#475569;margin-top:2px}
.quality{font-size:11px;font-weight:800;padding:5px 8px;border-radius:999px;white-space:nowrap}
.quality.verified{background:#dcfce7;color:#166534}.quality.high{background:#e0f2fe;color:#075985}.quality.medium{background:#fef3c7;color:#92400e}
.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:15px 0}
.facts div{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:10px}
.facts span{display:block;font-size:11px;color:#64748b;text-transform:uppercase;font-weight:700}
.facts strong{display:block;margin-top:2px;font-size:17px}
.combo-label{font-size:12px;text-transform:uppercase;font-weight:800;color:#64748b;margin-bottom:7px}
.levers{display:grid;grid-template-columns:repeat(9,1fr);gap:4px}
.lever{background:#111827;color:#fff;text-align:center;border-radius:8px;padding:6px 2px}
.lever small{display:block;font-size:9px;opacity:.7}.lever b{display:block;font-size:20px}
.combo-text{text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin-top:7px;color:#475569;font-size:13px}
.card-actions{margin-top:14px}.card-actions button{width:100%;background:#334155}
.warning{font-size:12px;line-height:1.35;background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;padding:9px;border-radius:10px;margin:10px 0 0}
.fallback h2,.help h2{margin:0 0 8px;font-size:18px}
.fallback p,.help p{margin:0 0 12px;color:#475569}
.fallback-card{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 0;border-top:1px solid #e5e7eb}
.fallback-card small{display:block;color:#64748b;margin-top:2px}
.fallback-card button{background:#475569}
.empty{background:white;border-radius:14px;padding:18px;color:#475569}
.lever-demo{display:grid;grid-template-columns:repeat(9,1fr);gap:4px}
.lever-demo span{text-align:center;background:#e2e8f0;border-radius:7px;padding:6px 0;font-weight:700}
.viewer{position:fixed;inset:0;background:rgba(0,0,0,.82);z-index:20;padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom);display:flex;align-items:stretch}
.viewer-card{width:100%;height:100%;background:#111827;display:flex;flex-direction:column}
.viewer-bar{padding:10px 12px;display:flex;justify-content:space-between;align-items:center;color:white}
.viewer-bar button{background:#fff;color:#111827;padding:9px 12px}
.zoom-wrap{flex:1;overflow:auto;-webkit-overflow-scrolling:touch;text-align:center;background:#111827}
.zoom-wrap img{width:1200px;max-width:none;height:auto;display:block;margin:auto}
@media(max-width:520px){
  .facts{grid-template-columns:1fr 1fr}.facts div:last-child{grid-column:1/-1}
  .lever b{font-size:18px}.levers{gap:3px}
}

.note{font-size:12px;line-height:1.4;background:#eef2ff;border:1px solid #c7d2fe;color:#3730a3;padding:9px;border-radius:10px;margin:10px 0 0}

/* One compact card per tube, with its sections directly below each other. */
.card-top{align-items:center;flex-wrap:wrap;gap:6px 16px}
.table-label{font-size:12px;color:#64748b}.table-label strong{color:#334155;margin-left:4px}
.tube-meta{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:6px 0 12px;font-size:13px;color:#475569}
.tube-section+.tube-section{border-top:1px solid #e2e8f0;margin-top:12px;padding-top:12px}
.section-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:8px}
.section-heading h3{margin:0;font-size:14px;font-weight:800;color:#334155;text-transform:capitalize}
.calibration{font-size:12px;white-space:nowrap;color:#475569}.calibration strong{font-size:19px;margin-left:5px;color:#111827}
.section-heater{font-size:13px;margin-bottom:8px}.tube-section>.quality{display:inline-block;margin-bottom:8px}
.card-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:12px}.card-actions button{padding:9px 12px;font-size:13px}

.settings-line{display:flex;justify-content:space-between;align-items:center;gap:8px;margin:0 0 10px;padding:9px 10px;background:#f1f5f9;border-radius:10px}.heater{font-size:13px;color:#111827;font-weight:700;white-space:nowrap}.heater strong{font-size:22px;font-weight:800;margin-left:5px}.tube-meta{justify-content:flex-end;margin-bottom:8px}

.section-heading{justify-content:flex-start;flex-wrap:wrap;gap:4px 10px}.common-use{font-size:12px;font-weight:500;color:#475569;line-height:1.35;text-transform:none}

.audio-star{color:#a16207;font-size:.85em;white-space:nowrap}.audio-legend{font-size:12px;color:#475569;margin:0 0 14px}.tube-meta:empty{display:none}