:root{--bg-app:#09090b;--bg-panel:#18181b;--bg-input:#27272a;--text-primary:#fafafa;--text-secondary:#a1a1aa;--text-muted:#71717a;--border-subtle:#3f3f46;--border-focus:#00f3ff80;--primary:#00f3ff;--primary-hover:#0e7490;--success:#10b981;--danger:#ef4444;--accent:var(--primary);--accent-glow:#00f3ff33;--bg-dark:var(--bg-app);--card-bg:var(--bg-panel);--cyan:#00f3ff;--purple:#bc13fe}body{background-color:var(--bg-app);color:var(--text-primary);margin:0;padding:0;font-family:Inter,sans-serif;line-height:1.6}.calc-breadcrumb{color:var(--text-muted);padding:10px 20px;font-size:.85rem}.calc-breadcrumb a{color:var(--text-secondary);text-decoration:none}.calc-breadcrumb a:hover{color:var(--primary)}.main-container{max-width:1300px;margin:0 auto;padding:0 20px 20px}.calc-title{text-align:center;letter-spacing:-.02em;margin:10px 0 4px;font-size:2rem;font-weight:800}.calc-subtitle{text-align:center;color:var(--text-secondary);margin:0 0 20px;font-size:1rem}.tab-nav{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:12px;gap:4px;margin-bottom:20px;padding:4px;display:flex}.tab-btn{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:8px 16px;font-size:.9rem;font-weight:600;transition:all .2s}.tab-btn.active{background:var(--primary);color:#000}.tab-btn:focus-visible{outline:2px solid var(--border-focus);outline-offset:2px}.tab-content{display:none}.tab-content.active{display:block}.preset-chips{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.preset-chip{border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;background:#ffffff0a;border-radius:20px;padding:5px 13px;font-family:inherit;font-size:.82rem;font-weight:600;transition:all .18s}.preset-chip:hover{color:var(--cyan);background:#00f3ff14;border-color:#00f3ff59}.preset-chip.active{color:var(--cyan);background:#00f3ff26;border-color:#00f3ff8c}.calc-layout{grid-template-columns:1fr 1.4fr;align-items:start;gap:20px;display:grid}@media (width<=700px){.calc-layout{grid-template-columns:minmax(0,1fr);overflow:hidden}}.card{background:var(--bg-panel);border:1px solid var(--border-subtle);box-sizing:border-box;border-radius:16px;padding:24px;transition:all .2s;box-shadow:0 4px 6px -1px #0000001a}.input-card{border-left:3px solid var(--cyan)}.result-card{border-left:3px solid var(--purple)}.section-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--border-subtle);margin-bottom:10px;padding-bottom:8px;font-size:.75rem;font-weight:700}.form-group{margin-bottom:14px}.form-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:.8rem;font-weight:600;display:block}.form-input{background:var(--bg-input);border:1px solid var(--border-subtle);width:100%;color:var(--text-primary);box-sizing:border-box;border-radius:8px;padding:10px 14px;font-family:inherit;font-size:1rem;transition:all .2s}.form-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-glow);outline:none}select.form-input{-webkit-appearance:none;appearance:none;background-image:url("data:image/svg+xml;charset=US-ASCII,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' width%3D'292' height%3D'292'%3E%3Cpath fill%3D'%23a1a1aa' d%3D'M287 69.4a17.6 17.6 0 0 0-13-5.4H18.4c-5 0-9.3 1.8-12.9 5.4A17.6 17.6 0 0 0 0 82.2c0 5 1.8 9.3 5.4 12.9l128 127.9c3.6 3.6 7.8 5.4 12.8 5.4s9.2-1.8 12.8-5.4L287 95c3.5-3.5 5.4-7.8 5.4-12.8 0-5-1.9-9.2-5.5-12.8z'%2F%3E%3C%2Fsvg%3E");background-position:right 12px center;background-repeat:no-repeat;background-size:10px;padding-right:32px}input[type=number]::-webkit-outer-spin-button,input[type=number]::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;font-family:inherit;font-size:.95rem;font-weight:600;transition:all .2s}.btn-secondary{background:var(--bg-input);color:var(--text-secondary);border:1px solid var(--border-subtle);width:100%;margin-top:8px}.btn-secondary:hover{color:var(--text-primary);border-color:var(--primary)}.hero-result{text-align:center;padding:20px 10px 16px}.hero-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:.75rem;font-weight:700}.hero-value{color:#fff;letter-spacing:-.02em;word-break:break-all;margin-bottom:8px;font-size:2.4rem;font-weight:800;line-height:1.1}.hero-sub{color:var(--text-secondary);font-size:.9rem}.stat-grid{grid-template-columns:1fr 1fr;gap:10px;margin-top:16px;display:grid}.stat-card{border:1px solid var(--border-subtle);text-align:center;background:#ffffff08;border-radius:10px;padding:12px}.stat-card.s-mL{border-left:3px solid #00f3ff8c}.stat-card.s-gal{border-left:3px solid #bc13fe8c}.stat-card.s-cup{border-left:3px solid #10b9818c}.stat-card.s-floz{border-left:3px solid #f59e0b8c}.stat-card .s-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;font-size:.75rem}.stat-card .s-value{color:#fff;word-break:break-all;font-size:1rem;font-weight:700}.chart-wrap{background:#ffffff05;border:1px solid #ffffff12;border-radius:12px;margin-top:14px;padding:16px}.chart-wrap h3{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin:0 0 10px;font-size:.76rem;font-weight:700}.act-row{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.act-btn{color:var(--text-muted);cursor:pointer;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:8px;padding:8px 16px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all .2s}.act-btn:hover{color:var(--cyan);background:#00f3ff14;border-color:#00f3ff4d}.ref-table{border-collapse:collapse;width:100%;margin-top:12px;font-size:.9rem}.ref-table th{background:var(--bg-input);color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;text-align:left;border-bottom:1px solid var(--border-subtle);padding:10px 12px;font-size:.75rem}.ref-table td{color:var(--text-primary);border-bottom:1px solid #ffffff0a;padding:9px 12px}.ref-table tbody tr{cursor:pointer;transition:background .15s}.ref-table tbody tr:hover td{color:#fff;background:#00f3ff0f}.ref-table-hint{color:var(--text-muted);margin-bottom:8px;font-size:.8rem;font-style:italic}.formula-box{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:10px;margin-bottom:12px;padding:14px 16px}.formula-box .f-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:6px;font-size:.8rem;font-weight:700}.formula-box .f-eq{color:var(--cyan);font-family:Courier New,monospace;font-size:1rem}.ref-grid-visual{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:.75rem;margin-top:1rem;display:grid}.ref-card-v{text-align:center;background:#00f3ff0f;border:1px solid #00f3ff2e;border-radius:10px;padding:.9rem 1rem}.ref-card-v .ref-icon{margin-bottom:.3rem;font-size:1.6rem;display:block}.ref-card-v .ref-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;font-size:.75rem;display:block}.ref-card-v .ref-val{color:var(--cyan);font-size:.92rem;font-weight:700}.conv-table-wrap{margin-top:1rem;overflow-x:auto}.conv-table{border-collapse:collapse;width:100%;font-size:.88rem}.conv-table th{color:var(--cyan);text-align:left;background:#00f3ff1a;border-bottom:1px solid #00f3ff33;padding:.5rem .8rem;font-weight:600}.conv-table td{color:#ccc;cursor:pointer;border-bottom:1px solid #ffffff0d;padding:.45rem .8rem;transition:background .15s}.conv-table tbody tr:hover td{color:#fff;background:#00f3ff0f}.cooking-table{border-collapse:collapse;width:100%;margin-top:1rem;font-size:.88rem}.cooking-table th{color:var(--purple);text-align:left;background:#bc13fe1a;border-bottom:1px solid #bc13fe33;padding:.5rem .8rem;font-weight:600}.cooking-table td{color:#ccc;border-bottom:1px solid #ffffff0d;padding:.45rem .8rem}.cooking-table tbody tr:hover td{color:#fff;background:#bc13fe0a}.qr-section{margin-bottom:2rem}.qr-section-title{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.07em;border-bottom:1px solid #ffffff12;margin-bottom:.5rem;padding-bottom:8px;font-size:.85rem;font-weight:700}.upgrade-wrap{max-width:900px;margin:0 auto;padding:0 20px;overflow-x:hidden}.u-section{margin:48px 0 0}.u-title{color:#fff;letter-spacing:-.01em;border-bottom:1px solid #ffffff12;margin:0 0 18px;padding-bottom:10px;font-size:1.3rem;font-weight:800}.ob-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px;display:grid}.ob-card{text-align:center;background:#00f3ff0a;border:1px solid #00f3ff26;border-radius:12px;padding:22px}.ob-num{color:var(--cyan);margin-bottom:10px;font-family:Courier New,monospace;font-size:2rem;font-weight:900;line-height:1;display:block}.ob-card h3{color:#fff;margin:0 0 7px;font-size:.95rem;font-weight:700}.ob-card p{color:var(--text-muted);margin:0;font-size:.85rem;line-height:1.6}.formula-pills2{flex-wrap:wrap;gap:10px;display:flex}.fp2{background:#bc13fe14;border:1px solid #bc13fe40;border-radius:10px;flex-direction:column;flex:180px;gap:5px;min-width:160px;padding:13px 16px;display:flex}.fp2-label{color:var(--purple);text-transform:uppercase;letter-spacing:.06em;font-size:.73rem;font-weight:700}.fp2-eq{color:#fff;font-family:Courier New,monospace;font-size:.96rem;font-weight:700}.fp2-desc{color:var(--text-muted);margin:0;font-size:.8rem}.gloss-grid2{grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:10px;margin:0;display:grid}.g-item2{background:#ffffff05;border:1px solid #ffffff12;border-radius:10px;padding:13px 14px}.g-item2 dt{color:var(--cyan);margin:0 0 4px;font-size:.85rem;font-weight:700;display:block}.g-item2 dd{color:var(--text-muted);margin:0;font-size:.82rem}.ex-grid2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px;display:grid}.ex-card2{background:#ffffff05;border:1px solid #ffffff12;border-radius:12px;padding:18px}.ex-card2 h3{color:#fff;margin:0 0 8px;font-size:.92rem;font-weight:700}.ex-card2 p{color:var(--text-muted);margin:0 0 4px;font-size:.82rem}.ex-badge2{color:var(--cyan);letter-spacing:.05em;text-transform:uppercase;background:#00f3ff1a;border-radius:20px;margin:0 0 8px;padding:2px 9px;font-size:.68rem;font-weight:700;display:inline-block}.act-row2{box-sizing:border-box;flex-wrap:wrap;gap:10px;max-width:860px;margin:24px auto;padding:0 1rem;display:flex}.act-btn2{color:var(--text-muted);cursor:pointer;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:8px;padding:8px 18px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all 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0;border:none;justify-content:space-between;align-items:center;padding:14px 16px;font-family:inherit;font-size:.95rem;font-weight:600;display:flex}.faq-q:after{content:"+";color:var(--primary);flex-shrink:0;font-size:1.1rem}.faq-item.open .faq-q:after{content:"−"}.faq-a{color:var(--text-secondary);padding:0 16px 14px;font-size:.9rem;line-height:1.6;display:none}.faq-item.open .faq-a{display:block}.faq-section-extra .faq-item{border:1px solid #ffffff12;border-radius:10px;margin-bottom:8px;overflow:hidden}.faq-section-extra .faq-q{cursor:pointer;color:#fff;text-align:left;background:0 0;border:none;justify-content:space-between;align-items:center;width:100%;padding:14px 16px;font-family:inherit;font-size:.93rem;font-weight:600;display:flex}.faq-section-extra .faq-a{color:var(--text-muted);padding:0 16px 14px;font-size:.87rem;line-height:1.65;display:none}.faq-section-extra .faq-item.open .faq-a{display:block}.hidden{display:none!important}@media (width<=768px){.main-container{padding:10px}.calc-title{font-size:1.6rem}.hero-value{font-size:1.8rem}.preset-chips{gap:5px}.preset-chip{padding:4px 10px;font-size:.78rem}}[data-theme=light]{--bg-app:#e8edf5;--bg-panel:#fff;--bg-input:#edf2f9;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--border-subtle:#0000001f;--border-focus:#0e7490;--primary:#0e7490;--primary-hover:#0f766e;--success:#059669;--danger:#dc2626;--accent:var(--primary);--accent-glow:#0e74901f;--bg-dark:var(--bg-app);--card-bg:var(--bg-panel)}[data-theme=light] body{color:#0f172a;background-color:#e8edf5}[data-theme=light] .card{background:#fff;border-color:#0000001f;box-shadow:0 2px 8px #00000014}[data-theme=light] .input-card{border-left:3px solid #0e7490}[data-theme=light] .result-card{border-left:3px solid #7c3aed}[data-theme=light] .tab-btn{color:#334155}[data-theme=light] .tab-btn.active{color:#fff;background:#0e7490}[data-theme=light] 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.hero-label{color:#475569}[data-theme=light] .hero-sub{color:#64748b}[data-theme=light] .stat-card{background:#f0f4f9;border-color:#0000001a;box-shadow:0 1px 3px #0000000f}[data-theme=light] .stat-card.s-mL{border-left:3px solid #0e7490}[data-theme=light] .stat-card.s-gal{border-left:3px solid #7c3aed}[data-theme=light] .stat-card.s-cup{border-left:3px solid #059669}[data-theme=light] .stat-card.s-floz{border-left:3px solid #d97706}[data-theme=light] .stat-card .s-label{color:#64748b}[data-theme=light] .stat-card .s-value{color:#0f172a}[data-theme=light] .chart-wrap{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .chart-wrap h3{color:#64748b}[data-theme=light] .act-btn{color:#475569;background:#edf2f9;border-color:#0000001f}[data-theme=light] .act-btn:hover{color:#0e7490;background:#0e749014;border-color:#0e7490}[data-theme=light] .preset-chip{color:#475569;background:#edf2f9;border-color:#0000001f}[data-theme=light] .preset-chip:hover{color:#0e7490;background:#0e749014;border-color:#0e7490}[data-theme=light] .preset-chip.active{color:#0e7490;background:#0e74901f;border-color:#0e7490}[data-theme=light] .ref-table th{color:#475569;background:#edf2f9;border-color:#0000001a}[data-theme=light] .ref-table td{color:#0f172a;border-color:#0000000f}[data-theme=light] .ref-table tbody tr:hover td{color:#0f172a;background:#0e74900d}[data-theme=light] .ref-table-hint{color:#94a3b8}[data-theme=light] .formula-box{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .formula-box .f-title{color:#475569}[data-theme=light] .formula-box .f-eq{color:#0e7490}[data-theme=light] .ref-card-v{background:#eff9fb;border-color:#0e749040}[data-theme=light] .ref-card-v .ref-label{color:#64748b}[data-theme=light] .ref-card-v .ref-val{color:#0e7490}[data-theme=light] .conv-table th{color:#0e7490;background:#0e749014;border-color:#0e749033}[data-theme=light] .conv-table td{color:#334155;border-color:#0000000f}[data-theme=light] .conv-table tbody tr:hover td{color:#0f172a;background:#0e74900d}[data-theme=light] .cooking-table th{color:#7c3aed;background:#7c3aed0f;border-color:#7c3aed33}[data-theme=light] .cooking-table td{color:#334155;border-color:#0000000f}[data-theme=light] .cooking-table tbody tr:hover td{color:#0f172a;background:#7c3aed08}[data-theme=light] .qr-section-title{color:#475569;border-color:#0000001a}[data-theme=light] .u-title{color:#0f172a;border-color:#0000001a}[data-theme=light] .ob-card{background:#eff9fb;border-color:#0e749033}[data-theme=light] .ob-num{color:#0e7490}[data-theme=light] .ob-card h3{color:#0f172a}[data-theme=light] .ob-card p{color:#475569}[data-theme=light] .fp2{background:#7c3aed0f;border-color:#7c3aed33}[data-theme=light] .fp2-label{color:#7c3aed}[data-theme=light] .fp2-eq{color:#0f172a}[data-theme=light] .fp2-desc{color:#475569}[data-theme=light] .g-item2{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .g-item2 dt{color:#0e7490}[data-theme=light] .g-item2 dd{color:#475569}[data-theme=light] .ex-card2{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .ex-card2 h3{color:#0f172a}[data-theme=light] .ex-card2 p{color:#475569}[data-theme=light] .ex-badge2{color:#0e7490;background:#0e74901a}[data-theme=light] .act-btn2{color:#475569;background:#edf2f9;border-color:#0000001f}[data-theme=light] .act-btn2:hover{color:#0e7490;background:#0e749014;border-color:#0e7490}[data-theme=light] .rel-card2{color:#475569;background:#f0f4f9;border-color:#0000001a}[data-theme=light] .rel-card2:hover{color:#0e7490;background:#0e74900f;border-color:#0e7490}[data-theme=light] .article-body2{color:#475569}[data-theme=light] .article-body2 h3{color:#0f172a}[data-theme=light] .faq-item{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-q{color:#0f172a}[data-theme=light] .faq-q:after{color:#0e7490}[data-theme=light] .faq-a{color:#475569}