:root{--bg-app:#09090b;--bg-panel:#18181b;--bg-input:#27272a;--text-primary:#fafafa;--text-secondary:#a1a1aa;--text-muted:#71717a;--border-subtle:#3f3f46;--border-focus:#67e8f9;--primary:#00f3ff;--primary-hover:#4f46e5;--success:#10b981;--danger:#ef4444;--accent:var(--primary);--accent-glow:#6366f133;--bg-dark:var(--bg-app);--card-bg:var(--bg-panel)}body{background-color:var(--bg-app);color:var(--text-primary);margin:0;padding:0;font-family:Inter,sans-serif;line-height:1.6}.sticky-summary{z-index:999;backdrop-filter:blur(16px);border-bottom:1px solid var(--border-subtle);background:#1f2937e6;padding:10px 30px;transition:all .3s;position:sticky;top:61px;box-shadow:0 10px 15px -3px #0000001a}.summary-content{justify-content:flex-end;gap:40px;max-width:1400px;margin:0 auto;display:flex}.summary-item{align-items:center;gap:10px;display:flex}.summary-item .label{color:var(--text-secondary);letter-spacing:.05em;text-transform:uppercase;font-size:.75rem;font-weight:700}.summary-item .value{color:#fff;font-size:1.1rem;font-weight:800}.main-container{max-width:1300px;margin:0 auto;padding:0 20px 20px}.page-title{color:var(--text-primary);text-align:center;letter-spacing:-.01em;margin:15px 0 5px;font-size:1.6rem;font-weight:800}.calculator-wrapper{grid-template-columns:1.4fr 1fr;align-items:start;gap:20px;display:grid}.input-card,.result-card{height:auto}.card,.gauge-card{background:var(--bg-panel);backdrop-filter:none;border:1px solid var(--border-subtle);box-sizing:border-box;border-radius:16px;flex-direction:column;padding:24px;transition:all .2s;display:flex;box-shadow:0 4px 6px -1px #0000001a}.card:hover{border-color:var(--border-subtle);transform:none;box-shadow:0 10px 15px -3px #0000001a}.card-header{color:var(--text-primary);border-bottom:1px solid var(--border-subtle);text-transform:uppercase;letter-spacing:.05em;margin-bottom:20px;padding-bottom:15px;font-size:.8rem;font-weight:700;display:block}.course-grid-header{grid-template-columns:2fr 1fr 1fr 40px;gap:10px;margin-bottom:5px;padding:0 10px;display:grid}.course-grid-header.weighted-mode{grid-template-columns:2fr 1fr 1fr 1fr 40px}.header-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:700}.course-row{border-bottom:1px solid var(--border-subtle);border-radius:8px;grid-template-columns:2fr 1fr 1fr 40px;align-items:center;gap:10px;margin-bottom:6px;padding:2px;transition:background .2s;display:grid;position:relative}#course-container.weighted-mode .course-row{grid-template-columns:2fr 1fr 1fr 1fr 40px}.course-row:hover{background:#ffffff08}.glass-input,.glass-select{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-size:.95rem;transition:all .2s;box-shadow:inset 0 2px 4px #0000000d}.glass-select{-webkit-appearance:none;appearance:none;background-image:url(data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%23a1a1aa%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E);background-position:right 12px center;background-repeat:no-repeat;background-size:10px}.glass-input:focus,.glass-select:focus{background:var(--bg-input);border-color:var(--border-focus);outline:none;box-shadow:0 0 0 3px #6366f133}.glass-input:hover,.glass-select:hover{border-color:#52525b}.glass-input::placeholder{color:var(--text-muted)}.course-remove{color:#ef4444;cursor:pointer;opacity:.5;justify-content:center;align-items:center;height:100%;font-size:1rem;transition:all .2s;display:flex}.course-row:hover .course-remove{opacity:1;transform:scale(1)}.course-remove:hover{color:#ff6b6b;text-shadow:0 0 10px #ef444480;background:#ef44441a;border-radius:4px}.big-number-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:.75rem;font-weight:700}.big-number{color:#fff;letter-spacing:-.02em;margin:5px 0;font-size:2.5rem;font-weight:800;line-height:1}.revenue-label{color:#00f3ff;font-size:1.1rem;font-weight:600}.chart-container{width:100%;height:150px;margin-top:10px;overflow:visible}.summary-table{border-top:1px solid #333;margin-top:auto;padding-top:10px}.table-row{color:#ccc;justify-content:space-between;margin-bottom:5px;font-size:.9rem;display:flex}.faq-section{max-width:800px;margin-top:40px;margin-left:auto;margin-right:auto;padding-bottom:50px}.faq-header{text-align:center;letter-spacing:2px;color:#fff;margin-bottom:10px;font-size:1.2rem}.faq-divider{width:100%;max-width:200px;height:1px;box-shadow:none;background:linear-gradient(90deg,#0000 0%,#fffc 50%,#0000 100%);margin:0 auto 30px}details{background:#0a0b1e;border:1px solid #333;border-radius:8px;margin-bottom:10px}summary{cursor:pointer;justify-content:space-between;align-items:center;padding:12px;font-weight:600;display:flex}summary:after{content:"+";color:#00f3ff}details[open] summary:after{content:"-"}details[open] summary{border-bottom:1px solid #333}details p{color:#ccc;margin:0;padding:15px;line-height:1.5}@media (width<=768px){.calculator-wrapper{flex-direction:column}.card{box-sizing:border-box;width:100%}}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}.stats-footer{border-top:1px solid #bc13fe4d;gap:15px;margin-top:auto;padding-top:15px;display:flex}.stat-box{text-align:center;background:#bc13fe0d;border-radius:8px;flex-direction:column;flex:1;gap:5px;padding:10px;display:flex}.stat-label{color:#aaa;text-transform:uppercase;letter-spacing:.5px;font-size:.8rem}.stat-value{color:#fff;text-shadow:0 0 5px #bc13fe80;font-size:1.2rem;font-weight:800}.mode-tabs{background:var(--bg-input);border:1px solid var(--border-subtle);border-radius:9999px;justify-content:center;gap:0;margin-bottom:30px;padding:4px;display:inline-flex}.mode-buttons-container-flex{justify-content:center;display:flex}.mode-tab{color:var(--text-secondary);cursor:pointer;text-transform:capitalize;letter-spacing:0;background:0 0;border:none;border-radius:9999px;padding:8px 24px;font-size:.85rem;font-weight:600;transition:all .2s}.mode-tab:hover{color:var(--text-primary);background:#ffffff0d}.mode-tab.active{background:var(--primary);color:#fff;box-shadow:0 1px 2px #0000001a}.mode-content{display:none}.mode-content:not(.hidden){display:grid}#mode-admissions:not(.hidden){justify-content:center;display:flex}.input-row{gap:15px;margin-bottom:15px;display:flex}.input-group{flex-direction:column;flex:1;display:flex}.input-group.half-width{flex:1}.input-group label{color:#aaa;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px;font-size:.85rem;font-weight:600}.target-gpa-section{background:#00f3ff0d;border:2px solid #00f3ff4d;border-radius:12px;margin:25px 0;padding:20px}.target-gpa-input{text-align:center;font-weight:800;background:#00f3ff1a!important;border:2px solid #00f3ff66!important;padding:15px!important;font-size:1.5rem!important}.target-gpa-input:focus{box-shadow:0 0 20px #00f3ff80!important}.grade-target-buttons{grid-template-columns:repeat(4,1fr);gap:10px;display:grid}.grade-target-btn{background:var(--bg-input);border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;text-align:center;border-radius:12px;min-width:0;padding:15px 20px;font-size:.95rem;font-weight:600;transition:all .2s}.grade-target-btn:hover{border-color:var(--primary);background:var(--bg-panel);color:var(--text-primary)}.grade-target-btn.selected{background:var(--primary);border-color:var(--primary);color:#fff;box-shadow:0 4px 6px -1px #6366f166}.finals-result-item{background:#ffffff08;border-left:4px solid;border-radius:10px;justify-content:space-between;align-items:center;margin-bottom:15px;padding:15px;display:flex}.finals-result-grade{font-size:1.5rem;font-weight:800}.finals-result-score{font-size:2rem;font-weight:800}.university-section{max-width:1300px;margin:20px auto 10px;padding:0 20px}.section-title{text-align:center;color:var(--text-primary);margin-bottom:15px;font-size:1.4rem;font-weight:800}.university-selector-container{max-width:600px;margin:0 auto 20px}.search-wrapper{flex-direction:column;gap:15px;display:flex;position:relative}.search-input{background:#ffffff0d!important;border:2px solid #00f3ff33!important;padding:15px 20px!important;font-size:1.1rem!important}.search-input:focus{border-color:#00f3ff!important;box-shadow:0 0 20px #00f3ff4d!important}.university-select{color:#888;padding:10px;font-size:.9rem}#bell-curve-viz{width:100%;height:140px;margin:10px 0}.bell-path{fill:#00f3ff1a;stroke:#00f3ff80;stroke-width:2px}.user-marker-line{stroke:#bc13fe;stroke-width:3px;stroke-dasharray:4}.avg-marker-line{stroke:#00f3ff;stroke-width:2px}.range-fill{fill:#00f3ff33}.gauge-card{background:#0a0b1e;border:1px solid #00f3ff4d;border-radius:15px;padding:30px;box-shadow:0 0 20px #00f3ff26}#university-info{text-align:center}.uni-name{color:#fff;margin-bottom:10px;font-size:1.5rem;font-weight:800}.uni-stats{flex-wrap:wrap;justify-content:center;gap:30px;display:flex}.uni-stat{text-align:center}.uni-stat-label{color:#aaa;text-transform:uppercase;letter-spacing:.5px;font-size:.8rem}.uni-stat-value{color:#00f3ff;font-size:1.3rem;font-weight:800}#admissions-gauge{min-height:100px;margin:30px 0}#admission-status{text-align:center;background:#ffffff08;border-radius:10px;padding:10px}.status-badge{text-transform:uppercase;letter-spacing:.5px;border-radius:20px;margin-bottom:10px;padding:4px 12px;font-size:1rem;font-weight:800;display:inline-block}.status-message{color:#ccc;font-size:.95rem;line-height:1.6}.semester-item{align-items:center;gap:10px;margin-bottom:10px;display:flex}.semester-item input{flex:1}.semester-remove{color:#ef4444;cursor:pointer;padding:0 5px;font-size:1.2rem}.semester-remove:hover{color:#ff6b6b;transform:scale(1.2)}#trend-graph{width:100%;height:200px;position:relative}.toggle-switch{cursor:pointer;align-items:center;gap:10px;display:flex}.toggle-switch input[type=checkbox]{display:none}.slider{border:1px solid var(--border-subtle);background:#ffffff1a;border-radius:50px;width:44px;height:22px;transition:all .3s;position:relative}.slider:before{content:"";background:#fff;border-radius:50%;width:16px;height:16px;transition:all .3s;position:absolute;top:2px;left:3px}.toggle-switch input:checked+.slider{background:var(--accent);border-color:var(--accent)}.toggle-switch input:checked+.slider:before{left:23px}.toggle-label{color:#fff;font-size:.9rem;font-weight:600}.hidden{display:none!important}@media (width<=768px){.main-container{padding:10px}.mode-tabs{flex-direction:row;justify-content:flex-start;gap:8px;padding-bottom:10px;overflow-x:auto}.mode-tab{white-space:nowrap;padding:8px 15px;font-size:.85rem}.course-grid-header{display:none}.course-row{background:#ffffff08;border:1px solid #ffffff0d;grid-template-columns:minmax(0,1fr);gap:8px;margin-bottom:15px;padding:15px;overflow:hidden}.course-remove{opacity:1;position:absolute;top:10px;right:10px;transform:scale(1)}.input-row{flex-direction:column;gap:15px}.grade-target-buttons{grid-template-columns:repeat(2,1fr)}.uni-stats{flex-direction:column;align-items:center;gap:10px}.sticky-summary{padding:8px 15px;top:90px}.summary-content{justify-content:center;gap:20px}.summary-item .value{font-size:1rem}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}.pulse{animation:2s ease-in-out infinite pulse}.success-glow{animation:1.5s ease-in-out successPulse;box-shadow:0 0 30px #00ff0080}@keyframes successPulse{0%,to{box-shadow:0 0 30px #00ff004d}50%{box-shadow:0 0 50px #00ff00b3}}.premium-slider{-webkit-appearance:none;cursor:pointer;background:#ffffff1a;border-radius:2px;outline:none;height:4px}.premium-slider::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;background:#fff;border-radius:50%;width:16px;height:16px;transition:all .15s;box-shadow:0 2px 4px #0000004d}.premium-slider::-webkit-slider-thumb:hover{background:var(--accent);transform:scale(1.1)}.premium-slider::-moz-range-thumb{background:#fff;border:none;border-radius:50%;width:16px;height:16px}.feasibility-reachable{border-color:var(--success)!important;box-shadow:0 4px 12px #10b9811a!important}.feasibility-challenging{border-color:var(--warning)!important;box-shadow:0 4px 12px #f59e0b1a!important}.feasibility-impossible{border-color:var(--danger)!important;box-shadow:0 4px 12px #ef44441a!important}.toast-notification{color:#fff;backdrop-filter:blur(8px);z-index:2000;opacity:0;pointer-events:none;background:#10b981e6;border-radius:50px;align-items:center;gap:10px;padding:12px 24px;font-weight:600;transition:transform .4s cubic-bezier(.175,.885,.32,1.275),opacity .3s;display:flex;position:fixed;bottom:20px;left:50%;transform:translate(-50%)translateY(100px);box-shadow:0 10px 15px -3px #0000004d}.toast-notification.show{opacity:1;transform:translate(-50%)translateY(0)}.toast-icon{font-size:1.2rem}[data-theme=light]{--bg-app:#f1f5f9;--bg-panel:#fff;--bg-input:#e2e8f0;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#475569;--border-subtle:#0000001f;--border-focus:#4f46e5;--primary:#4f46e5;--primary-hover:#4338ca;--success:#059669;--danger:#dc2626;--accent:var(--primary);--accent-glow:#4f46e51f;--bg-dark:var(--bg-app);--card-bg:var(--bg-panel)}[data-theme=light] body{color:#0f172a;background-color:#f1f5f9;background-image:none}[data-theme=light] input,[data-theme=light] select{color-scheme:light}[data-theme=light] .dashboard-card,[data-theme=light] .card,[data-theme=light] .panel{background:#fff;border-color:#0000001f;box-shadow:0 2px 8px #00000014}[data-theme=light] .tab-btn{color:#334155;background:#e2e8f0}[data-theme=light] .tab-btn.active{color:#fff;background:#4f46e5}[data-theme=light] .course-row{background:#f8fafc;border-color:#00000014}[data-theme=light] .course-row input,[data-theme=light] .course-row select{color:#0f172a;background:#e2e8f0;border-color:#00000026}[data-theme=light] .stat-label{color:#475569}[data-theme=light] .stat-value,[data-theme=light] .gpa-display{color:#0f172a}[data-theme=light] .add-btn,[data-theme=light] .action-btn{color:#334155;background:#e2e8f0;border-color:#0000001f}[data-theme=light] .add-btn:hover,[data-theme=light] .action-btn:hover{background:#dbe1ea}[data-theme=light] .remove-btn{color:#dc2626}[data-theme=light] .semester-card{background:#fff;border-color:#0000001f}[data-theme=light] .scenario-card{background:#f8fafc;border-color:#00000014}[data-theme=light] .how-to-card,[data-theme=light] .faq-item{color:#0f172a;background:#fff;border-color:#00000014}[data-theme=light] .faq-question{color:#0f172a}[data-theme=light] .faq-answer,[data-theme=light] .breadcrumb{color:#475569}[data-theme=light] .breadcrumb a:hover{color:#4f46e5}[data-theme=light] .toast-notification{color:#0f172a;background:#fff;border-color:#0000001f}[data-theme=light] .mobile-nav{background:#fffffffa}[data-theme=light] .mobile-nav .nav-link{color:#334155}.gauge-section{text-align:center;padding:0 0 10px}.gauge-label-top{color:#52525b;text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px;font-size:.68rem;font-weight:700}.gauge-svg{width:100%;max-width:320px;height:auto;margin:0 auto;display:block;overflow:visible}.preset-chips-row{flex-wrap:wrap;align-items:center;gap:8px;margin:16px 0 4px;display:flex}.preset-label{color:#71717a;text-transform:uppercase;letter-spacing:.06em;white-space:nowrap;flex-shrink:0;font-size:.72rem;font-weight:700}.preset-chips{flex-wrap:wrap;gap:6px;display:flex}.preset-chip{color:#a1a1aa;cursor:pointer;background:#ffffff0a;border:1px solid #ffffff1a;border-radius:20px;padding:5px 12px;font-family:inherit;font-size:.79rem;font-weight:600;line-height:1.2;transition:all .2s}.preset-chip:hover{color:#67e8f9;background:#00f3ff14;border-color:#00f3ff}.preset-chip.active{color:#67e8f9;background:#00f3ff2e;border-color:#00f3ff;box-shadow:0 0 0 2px #00f3ff26}.context-row{flex-wrap:wrap;align-items:center;gap:10px;margin:10px 0 4px;display:flex}.context-badge{letter-spacing:.04em;text-transform:uppercase;white-space:nowrap;border-radius:20px;padding:3px 10px;font-size:.72rem;font-weight:700;transition:background .4s,color .4s}.badge-vacuum{color:#60a5fa;background:#60a5fa26;border:1px solid #60a5fa4d}.badge-sub{color:#34d399;background:#34d39926;border:1px solid #34d3994d}.badge-atm{color:#a3e635;background:#a3e63526;border:1px solid #a3e6354d}.badge-moderate{color:#fbbf24;background:#fbbf2426;border:1px solid #fbbf244d}.badge-high{color:#f87171;background:#f8717126;border:1px solid #f871714d}.badge-ultra{color:#ef4444;background:#ef44442e;border:1px solid #ef444466}.pressure-level-bar-wrap{flex:1;min-width:100px}.pressure-level-bar{background:#ffffff12;border-radius:3px;height:5px;position:relative;overflow:hidden}.pressure-level-fill{background:linear-gradient(90deg,#60a5fa 0%,#34d399 25%,#a3e635 45%,#fbbf24 65%,#f87171 85%,#ef4444 100%);border-radius:3px;width:0%;height:100%;transition:width .5s;position:absolute;top:0;left:0}.pressure-level-labels{color:#52525b;justify-content:space-between;margin-top:2px;font-size:.66rem;display:flex}.all-units-panel{margin-top:16px}.units-list{flex-direction:column;display:flex}.unit-row{cursor:pointer;border-bottom:1px solid #ffffff0a;grid-template-columns:4px 1fr 52px auto 28px;align-items:center;gap:10px;padding:8px 12px;transition:background .15s;display:grid}.unit-row:last-child{border-bottom:none}.unit-row:hover{background:#ffffff08}.unit-row.active-unit{background:#00f3ff14}.unit-color-bar{border-radius:2px;flex-shrink:0;width:4px;height:26px}.unit-name{color:#a1a1aa;font-size:.83rem}.unit-symbol{color:#52525b;font-family:JetBrains Mono,Courier New,monospace;font-size:.73rem}.unit-value{color:#fafafa;text-align:right;word-break:break-all;font-family:JetBrains Mono,Courier New,monospace;font-size:.9rem;font-weight:700}.unit-copy-btn{color:#3f3f46;cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:3px;transition:color .15s;display:flex}.unit-copy-btn:hover{color:#00f3ff}.unit-copy-btn svg{pointer-events:none}.pressure-toast{color:#fafafa;z-index:3000;opacity:0;pointer-events:none;white-space:nowrap;background:#27272a;border:1px solid #3f3f46;border-radius:8px;padding:9px 20px;font-size:.84rem;font-weight:600;transition:opacity .2s,transform .2s;position:fixed;bottom:24px;left:50%;transform:translate(-50%)translateY(16px);box-shadow:0 4px 16px #00000080}.pressure-toast.show{opacity:1;transform:translate(-50%)translateY(0)}.ref-grid-visual{grid-template-columns:repeat(auto-fit,minmax(180px,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:#88a;text-transform:uppercase;letter-spacing:.05em;margin-bottom:.2rem;font-size:.75rem;display:block}.ref-card-v .ref-val{color:#00f3ff;font-size:.95rem;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:#00f3ff;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 tr:hover td{color:#fff;background:#00f3ff0f}.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)}.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:#fff}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:1fr 1.4fr;align-items:start;gap:20px;display:grid}@media (width<=700px){.calc-layout{grid-template-columns:1fr}}.input-card{border-left:3px solid #00f3ff}.result-card{border-left:3px solid #bc13fe}.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-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}.btn{cursor:pointer;border:none;border-radius:8px;padding:10px 20px;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)}.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-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}.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 tr:hover td{background:#ffffff08}.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:#00f3ff;font-family:Courier New,monospace;font-size:1rem}.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}.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:#00f3ff;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:#88a;margin:0;font-size:.85rem;line-height:1.6}.formula-pills{flex-wrap:wrap;gap:8px;display:flex}.fp{background:#bc13fe14;border:1px solid #bc13fe40;border-radius:8px;align-items:baseline;gap:8px;padding:9px 14px;display:inline-flex}.fp-eq{color:#bc13fe;font-family:Courier New,monospace;font-size:.88rem}.fp-desc{color:#88a;font-size:.78rem}.gloss-grid{grid-template-columns:repeat(auto-fit,minmax(195px,1fr));gap:10px;margin:0;display:grid}.g-item{background:#ffffff05;border:1px solid #ffffff12;border-radius:10px;padding:13px 14px}.g-item dt{color:#00f3ff;text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px;font-size:.76rem;font-weight:700}.g-item dd{color:#88a;margin:0;font-size:.84rem;line-height:1.55}.ex-grid{grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:14px;display:grid}.ex-card{background:#ffffff05;border:1px solid #ffffff12;border-radius:12px;padding:18px}.ex-badge{color:#bc13fe;text-transform:uppercase;letter-spacing:.06em;margin-bottom:9px;font-size:.73rem;font-weight:700}.ex-scenario{color:#fff;margin-bottom:7px;font-size:.92rem;font-weight:600;line-height:1.4}.ex-calc{color:#00f3ff;background:#00f3ff0d;border-radius:6px;margin-bottom:7px;padding:7px 10px;font-family:Courier New,monospace;font-size:.82rem}.ex-result{color:#88a;font-size:.84rem;line-height:1.5}.article-body h3{color:#fff;margin:22px 0 8px;font-size:1.05rem;font-weight:700}.article-body p{color:#88a;margin:0 0 13px;font-size:.91rem;line-height:1.75}.chart-wrap{background:#ffffff05;border:1px solid #ffffff12;border-radius:12px;margin-top:4px;padding:18px}.chart-wrap h3{color:#88a;text-transform:uppercase;letter-spacing:.05em;margin:0 0 10px;font-size:.78rem;font-weight:700}.chart-canvas{height:190px;position:relative}.act-row{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.act-btn{color:#88a;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:#00f3ff;background:#00f3ff14;border-color:#00f3ff4d}.rel-grid{grid-template-columns:repeat(auto-fit,minmax(175px,1fr));gap:10px;display:grid}.rel-card{color:inherit;background:#ffffff05;border:1px solid #ffffff12;border-radius:10px;padding:13px;text-decoration:none;transition:all .2s;display:block}.rel-card:hover{background:#00f3ff0a;border-color:#00f3ff4d}.rc-title{color:#fff;margin-bottom:3px;font-size:.87rem;font-weight:700}.rc-desc{color:#88a;font-size:.79rem}.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:#bc13fe;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:#88a;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:#00f3ff;margin:0 0 4px;font-size:.85rem;font-weight:700;display:block}.g-item2 dd{color:#88a;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:#88a;margin:0 0 4px;font-size:.82rem}.ex-badge2{color:#00f3ff;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:#88a;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 .2s}.act-btn2:hover{color:#00f3ff;background:#00f3ff14;border-color:#00f3ff4d}.rel-grid2{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;display:grid}.rel-card2{color:#88a;background:#ffffff05;border:1px solid #ffffff12;border-radius:10px;padding:12px 14px;font-size:.87rem;text-decoration:none;transition:all .2s;display:block}.rel-card2:hover{color:#00f3ff;background:#00f3ff0f;border-color:#00f3ff40}.article-body2{color:#88a;font-size:.92rem;line-height:1.72}.article-body2 h3{color:#fff;margin:22px 0 8px;font-size:1.05rem;font-weight:700}.article-body2 p{margin:0 0 12px}.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:#88a;padding:0 16px 14px;font-size:.87rem;line-height:1.65;display:none}.faq-section-extra .faq-item.open .faq-a{display:block}[data-theme=light] .calc-breadcrumb a{color:#334155}[data-theme=light] .calc-breadcrumb a:hover{color:#0e7490}[data-theme=light] .calc-title{color:#0f172a}[data-theme=light] .calc-subtitle{color:#475569}[data-theme=light] .tab-nav{background:#e2e8f0;border-color:#0000001a}[data-theme=light] .input-card{border-left-color:#0e7490}[data-theme=light] .result-card{border-left-color:#7c3aed}[data-theme=light] .form-label{color:#475569}[data-theme=light] .form-input{color:#0f172a;background:#e2e8f0;border-color:#00000026}[data-theme=light] .form-input:focus{border-color:#0e7490;box-shadow:0 0 0 3px #0e74901f}[data-theme=light] .btn-secondary{color:#334155;background:#e2e8f0;border-color:#00000026}[data-theme=light] .btn-secondary:hover{color:#0f172a;border-color:#0e7490}[data-theme=light] .hero-value{color:#0f172a}[data-theme=light] .hero-label,[data-theme=light] .hero-sub{color:#475569}[data-theme=light] .stat-card{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .stat-card .s-label{color:#64748b}[data-theme=light] .stat-card .s-value{color:#0f172a}[data-theme=light] .section-label{color:#475569;border-color:#0000001a}[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 tr:hover td{background:#f0f4f9}[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] .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] .chart-wrap{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .chart-wrap h3{color:#64748b}[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 tr:hover td{color:#0f172a;background:#f0f4f9}[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] .g-item{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .g-item dt{color:#0e7490}[data-theme=light] .g-item dd{color:#475569}[data-theme=light] .ex-card{background:#fff;border-color:#0000001f;box-shadow:0 1px 4px #0000000f}[data-theme=light] .ex-scenario{color:#0f172a}[data-theme=light] .ex-badge{color:#7c3aed}[data-theme=light] .ex-calc{color:#0e7490;background:#0e74900f}[data-theme=light] .ex-result{color:#475569}[data-theme=light] .article-body h3{color:#0f172a}[data-theme=light] .article-body p{color:#475569}[data-theme=light] .fp .fp-eq{color:#7c3aed}[data-theme=light] .fp .fp-desc{color:#475569}[data-theme=light] .fp,[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:#0000001f;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-card{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .rel-card:hover{background:#0e74900f;border-color:#0e7490}[data-theme=light] .rc-title{color:#0f172a}[data-theme=light] .rc-desc{color:#475569}[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-section-extra .faq-item{background:#fff;border-color:#0000001a}[data-theme=light] .faq-section-extra .faq-q{color:#0f172a}[data-theme=light] .faq-section-extra .faq-a{color:#475569}[data-theme=light] .gauge-label-top{color:#94a3b8}[data-theme=light] .preset-chip{color:#475569;background:#edf2f9;border-color:#0000001f}[data-theme=light] .preset-chip:hover{color:#4f46e5;background:#4f46e514;border-color:#4f46e5}[data-theme=light] .preset-chip.active{color:#4f46e5;background:#4f46e51f;border-color:#4f46e5;box-shadow:0 0 0 2px #4f46e51f}[data-theme=light] .preset-label{color:#94a3b8}[data-theme=light] .badge-vacuum{color:#2563eb;background:#60a5fa1f;border-color:#2563eb40}[data-theme=light] .badge-sub{color:#059669;background:#34d3991f;border-color:#05966940}[data-theme=light] .badge-atm{color:#65a30d;background:#65a30d1a;border-color:#65a30d40}[data-theme=light] .badge-moderate{color:#d97706;background:#d977061a;border-color:#d9770640}[data-theme=light] .badge-high{color:#dc2626;background:#dc262614;border-color:#dc262640}[data-theme=light] .badge-ultra{color:#dc2626;background:#fff1f2;border-color:#dc26264d}[data-theme=light] .pressure-level-bar{background:#00000014}[data-theme=light] .pressure-level-labels{color:#94a3b8}[data-theme=light] .unit-row{border-bottom-color:#0000000f}[data-theme=light] .unit-row:hover{background:#00000006}[data-theme=light] .unit-row.active-unit{background:#4f46e50f}[data-theme=light] .unit-name{color:#334155}[data-theme=light] .unit-symbol{color:#94a3b8}[data-theme=light] .unit-value{color:#0f172a}[data-theme=light] .unit-copy-btn{color:#cbd5e1}[data-theme=light] .unit-copy-btn:hover{color:#4f46e5}[data-theme=light] .pressure-toast{color:#0f172a;background:#fff;border-color:#0000001f;box-shadow:0 4px 16px #0000001f}