:root{--bg:rgb(253, 253, 252);--fg:#ffffff;--fg2:#45392f;--panel:#faf7f3;--panel-soft:#f2ece5;--ink:#45392f;--muted:#5a5957;--accent:#2bb673;--accent-2:#8a6a44;--border:#e2d9cf;--shadow: 0 16px 32px rgba(0,0,0,.08), 0 6px 16px rgba(0,0,0,.06)}html,body{height:100%;margin:0;background:#fdfdfc;color:var(--ink);font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app{display:flex;flex-direction:column;min-height:100vh;padding-bottom:12px}.controls{background:var(--panel);border-bottom:1px solid var(--border);padding:20px clamp(16px,4vw,32px) 24px;display:flex;flex-direction:column;gap:10px;box-shadow:var(--shadow)}.controls-header{display:flex;flex-wrap:wrap;align-items:flex-start;justify-content:space-between;gap:16px}.controls-title h1{margin:0;font-size:32px;font-weight:700;color:var(--accent);font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif}.control-muted{margin:6px 0 0;font-size:12px;color:var(--muted);max-width:640px}.controls-grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}@media (min-width: 1280px){.controls-grid{grid-template-columns:repeat(5,1fr)}}@media (min-width: 960px) and (max-width: 1279px){.controls-grid{grid-template-columns:repeat(4,1fr)}}@media (min-width: 640px) and (max-width: 959px){.controls-grid{grid-template-columns:repeat(3,1fr)}}.control-card{min-width:0}.control-card{background:var(--panel-soft);border:1px solid var(--border);border-radius:14px;padding:16px 18px 18px;display:flex;flex-direction:column;gap:12px;box-shadow:0 2px 8px #45392f14}.control-card h2{margin:0;font-size:13px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-weight:600}.control-card{display:flex;flex-direction:column;height:var(--card-fixed-height, auto)}.tiny-note{margin-top:6px;font-size:11px;color:var(--muted)}.control-card .card-title,.control-card>h2{flex:0 0 auto}.control-card .card-scroll{flex:1 1 auto;overflow:auto;min-height:0}#spectraList{max-height:none}.control-card[data-card=visibility] .chips{flex-direction:column;align-items:flex-start;gap:10px}.modebar-btn.modebar-btn--active{background:#0ea5e91f;box-shadow:inset 0 0 0 1px #0ea5e9}.control-card,.control-card *{box-sizing:border-box}#cardSpectra .card-title,#cardSpectra #search{flex:0 0 auto}#cardSpectra #spectraList{flex:1 1 auto;overflow:auto;min-height:0;max-height:none}#activePlotTypes{flex:1 1 auto!important;overflow:auto!important;min-height:40px!important;max-height:none!important}#cardLines,.control-card[data-expandable=true]{transition:all .3s ease;position:relative}#cardPlot.plot-controls-disabled{opacity:.82}#cardPlot.plot-controls-disabled button,#cardPlot.plot-controls-disabled input,#cardPlot.plot-controls-disabled select,#cardPlot.plot-controls-disabled textarea{cursor:not-allowed}#cardLines.has-overflow:hover,.control-card[data-expandable=true].has-overflow:hover{transform:scale(1);height:var(--expand-height)!important;max-height:var(--expand-height)!important;z-index:100;box-shadow:0 12px 40px #00000040,0 4px 16px #00000026}#cardLines,#cardLines *{box-sizing:border-box}#cardLines{display:flex;flex-direction:column}#cardLines .lines-list{flex:1 1 auto;overflow:auto;min-height:0;font-size:11px}#cardLines .lines-list.empty{color:var(--muted);font-style:italic}#cardLines .line-item{display:flex;align-items:center;justify-content:space-between;gap:6px;padding:4px 6px;border-radius:6px;margin-bottom:6px;border:1px solid var(--border);background:var(--fg);transition:all .2s ease}#cardLines .line-item:hover{background:var(--panel);box-shadow:0 2px 6px #45392f1a}#cardLines .line-tag{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,monospace;font-variant-numeric:tabular-nums;font-size:11px;letter-spacing:.01em}#cardLines .remove-line{border:1px solid #e5e7eb;background:transparent;cursor:pointer;font-size:10px;padding:2px 5px;border-radius:5px;line-height:1;min-width:18px;min-height:18px}#cardLines .remove-line{border-color:var(--border);transition:all .2s ease}#cardLines .remove-line:hover{background:#ff64641a;border-color:#ef4444;color:#ef4444}#btnDownloadLines{width:100%;margin-top:10px}.card-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}input,button{background:var(--fg);color:var(--ink);border:1px solid var(--border);border-radius:8px;padding:2px 10px;font-size:13px}input[type=file]{padding:6px}input[type=color]{padding:0;width:28px;height:28px;border-radius:6px}input[type=checkbox]{width:16px;height:16px;accent-color:var(--accent)}input[type=number]{width:90px}.color-picker-btn{width:32px;height:28px;border-radius:6px;cursor:pointer}.pcr-app{z-index:10000}.pcr-button{width:32px;height:28px;border-radius:6px;border:1px solid var(--border)}.pcr-button:after{border-radius:6px}button{cursor:pointer;transition:all .2s ease}button:hover{transform:translateY(-1px);box-shadow:0 2px 8px #45392f26}button.primary{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}button.primary:hover{background:#24a363}button.ghost{background:#fff;border-color:var(--border);color:var(--ink)}button.ghost:hover{background:var(--panel-soft)}.small{font-size:12px;color:var(--muted);margin:0}#spectraList{display:flex;flex-direction:column;gap:6px;max-height:120px;overflow:auto;padding-right:6px}.spec-item{display:grid;grid-template-columns:1fr 32px 28px;gap:8px;align-items:center;padding:6px 8px;border:1px solid var(--border);border-radius:8px;background:var(--fg);transition:all .2s ease}.spec-item:hover{background:var(--panel);box-shadow:0 2px 6px #45392f1a}.spec-name{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:13px}.delete-spec{background:transparent;border:none;color:var(--muted);font-size:20px;line-height:1;padding:0;width:24px;height:24px;border-radius:4px;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;justify-content:center}.delete-spec:hover{background:#ef44441a;color:#ef4444;transform:none;box-shadow:none}.chips{display:flex;gap:8px;flex-wrap:wrap}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:var(--fg);border:1px solid var(--border);font-size:12px;transition:all .2s ease}.pill:hover{background:var(--panel);box-shadow:0 2px 6px #45392f1a}.status-line{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;border:1px solid var(--border);background:var(--fg);color:var(--muted);font-size:12px;white-space:nowrap}.status-line.loading:before{content:"";width:12px;height:12px;border:2px solid var(--accent);border-bottom-color:transparent;border-radius:50%;display:inline-block;animation:spin .7s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.back-link{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;border-radius:8px;background:var(--fg);border:1px solid var(--border);color:var(--ink);text-decoration:none;font-size:13px;font-weight:500;transition:all .2s ease}.back-link:hover{background:var(--panel);box-shadow:0 2px 8px #45392f1f;transform:translateY(-1px)}.plot-area{flex:1;position:relative;background:var(--bg);min-height:0;display:flex;padding:20px}#plotWrap.dragover:after{content:"Drop CSV or ZIP files to load spectra";position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:600;background:#2bb6731f;color:var(--accent);border:2px dashed var(--accent);border-radius:12px;pointer-events:none}#graph{flex:1;width:100%;min-height:460px;background:#fff;border-radius:12px;box-shadow:var(--shadow)}@media (max-width:960px){.controls{padding:18px 16px 22px}.controls-header h1{font-size:21px}}