.calculator-v2{margin-top:45px;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);background:#fff}.calc-tabs{display:grid;grid-template-columns:1fr 1fr;background:#edf5f2;border-bottom:1px solid var(--line)}.calc-tab{padding:19px 24px;border:0;border-right:1px solid var(--line);background:transparent;text-align:left;color:#5e7378;cursor:pointer}.calc-tab:last-child{border-right:0}.calc-tab strong,.calc-tab span{display:block}.calc-tab strong{font-size:14px;color:var(--ink)}.calc-tab span{font-size:11px;margin-top:4px}.calc-tab.active{background:#fff;box-shadow:inset 0 -3px var(--teal)}.calc-tab.active strong{color:var(--teal)}.calc-body{display:grid;grid-template-columns:1fr 1fr;min-height:640px}.calc-inputs{padding:34px 40px}.calc-step{display:flex;align-items:center;gap:13px;padding-bottom:24px;border-bottom:1px solid 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13px;color:#52676d;font-weight:800;outline:0}.full-select{display:block;width:100%;padding:12px 13px;border:1px solid #cfdedb;border-radius:9px;background:#fff;color:var(--ink)}.compound-search{display:flex;position:relative;border:1px solid #cfdedb;border-radius:9px}.compound-search>button{border:0;background:#f3f8f6;width:44px;color:var(--teal);font-size:17px}.compound-options{position:absolute;z-index:15;left:-1px;right:-1px;top:calc(100% + 5px);max-height:210px;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:9px;box-shadow:0 15px 35px rgba(18,62,65,.15);padding:6px}.compound-options[hidden]{display:none}.compound-options button{display:block;width:100%;border:0;background:#fff;text-align:left;padding:9px 10px;border-radius:6px;color:var(--ink);font-size:12px}.compound-options button:hover{background:var(--mint);color:var(--teal)}.calc-action{width:100%;margin-top:25px;padding:14px;border:0;border-radius:9px;background:var(--teal);color:#fff;font-weight:800;cursor:pointer}.calc-error{min-height:18px;margin-top:10px;color:#b24531;font-size:11px;line-height:1.5}.calc-output{padding:38px;background:linear-gradient(145deg,#087f78,#075f5d);color:#fff;min-width:0}.empty-result{height:100%;min-height:400px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:#bde3dc}.empty-result>span{width:52px;height:52px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.25);border-radius:50%;font-size:23px}.empty-result strong{color:#fff;margin-top:18px}.empty-result p{font-size:11px}.result-label{text-transform:uppercase;letter-spacing:1.5px;font-size:9px;color:#a9e9db;font-weight:800}.calc-output h3{font-family:Georgia,serif;font-size:32px;font-weight:500;margin:13px 0 7px}.calc-output h3 strong{font-size:43px}.result-sentence{font-size:12px;color:#c4e8e1;margin:0 0 18px}.syringe-svg-wrap{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:10px;padding:10px;margin:20px 0}.syringe-svg{display:block;width:100%;height:auto}.syringe-svg .barrel{fill:rgba(255,255,255,.14);stroke:#d7f0eb;stroke-width:2}.syringe-svg .needle{fill:#d9e5e4;stroke:#fff}.syringe-svg .ticks line{stroke:#fff}.syringe-svg .major{stroke-width:1.7}.syringe-svg .minor{stroke-width:.7;opacity:.7}.syringe-svg .ticks text,.syringe-svg .side-label,.syringe-svg .measure-text,.syringe-svg .fill-label{fill:#fff;font-family:Arial,sans-serif}.syringe-svg .ticks text{font-size:10px}.syringe-svg .side-label{font-size:8px;letter-spacing:1px;fill:#aed9d2}.syringe-svg .fill-label{font-size:10px;font-weight:bold;fill:#083e3c}.syringe-svg .measure-line{stroke:#ffac63;stroke-width:4}.syringe-svg .measure-arrow,.syringe-svg .plunger{fill:#f28a38}.syringe-svg .measure-text{font-size:10px;font-weight:bold;fill:#ffbd82}.syringe-svg-wrap p{font-size:9px;color:#a8d5cd;text-align:center;margin:2px 0}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px}.result-grid>div{padding:12px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.12);border-radius:8px}.result-grid span,.result-grid strong,.result-grid small{display:block}.result-grid span{font-size:8px;text-transform:uppercase;letter-spacing:1px;color:#aad7cf}.result-grid strong{font-size:14px;margin-top:5px}.result-grid small{font-size:9px;color:#b7ddd6;margin-top:3px}.result-grid .status-bad{border-color:#f3a26d;background:rgba(214,93,32,.22)}.math-lines{margin-top:10px;border:1px solid rgba(255,255,255,.15);border-radius:8px}.math-lines>div{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.1)}.math-lines>div:last-child{border:0}.math-lines span{display:block;color:#9ed3ca;font-size:8px;text-transform:uppercase;letter-spacing:1px;margin-bottom:3px}.math-lines code{font-size:10px;color:#fff;white-space:normal}.scale-alert{margin-top:10px;padding:10px;border-radius:7px;background:#fff0e5;color:#7d3b18;font-size:10px;line-height:1.5}.calc-notice{display:flex;gap:12px;padding:17px 22px;background:#fff8f2;border-top:1px solid #f0d0ba;color:#71452c}.calc-notice>span{flex:0 0 24px;height:24px;border-radius:50%;background:#f6d4bd;display:grid;place-items:center;font-weight:900}.calc-notice p{font-size:11px;line-height:1.55;margin:3px 0}.options-table-wrap{overflow-x:auto;margin-top:20px}.options-table{width:100%;border-collapse:collapse;min-width:680px;background:#fff;color:var(--ink);border-radius:9px;overflow:hidden;font-size:10px}.options-table th{text-align:left;padding:10px;background:#e9f5f1;color:#55706f;text-transform:uppercase;font-size:7px;letter-spacing:.6px}.options-table td{padding:10px;border-top:1px solid var(--line);vertical-align:top}.options-table td small{display:block;color:#73878a;margin-top:3px}.options-table tr.easiest{background:#edfaf5}.option-status{display:inline-block;padding:5px 7px;border-radius:20px;background:#e5f5ef;color:#08766f;font-size:8px;font-weight:800}.option-status.bad{background:#ffeadf;color:#a4491a}.option-status.small{background:#fff4d9;color:#8b6712}.option-status.easy{background:#d6f4e9;color:#056c5f}.readability-note{margin-top:12px;padding:11px;border:1px solid rgba(255,255,255,.16);border-radius:8px;font-size:9px;color:#b7ddd6;line-height:1.5}.readability-note strong{color:#fff}.error-state{min-height:300px}@media(max-width:900px){.calc-body{grid-template-columns:1fr}.calc-output{min-height:480px}}@media(max-width:560px){.calc-tabs{grid-template-columns:1fr}.calc-tab{border-right:0;border-bottom:1px solid var(--line);padding:15px 18px}.calc-inputs,.calc-output{padding:25px 19px}.calc-output h3{font-size:25px}.calc-output h3 strong{font-size:35px}.result-grid{grid-template-columns:1fr}.syringe-svg-wrap{margin-left:-9px;margin-right:-9px;padding:5px}.calc-notice{padding:15px}.options-table{min-width:620px}}