:root{--accent:var(--calc-color-environment);--bg-app:#050510;--bg-card:#0d0d1f;--bg-input:#111128;--text-primary:#fff;--text-secondary:#88a;--text-muted:#557;--green:#22d3ee;--border:#ffffff14;--radius:12px}[data-theme=light]{--bg-app:#e8edf5;--bg-card:#fff;--bg-input:#f0f4f9;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--green:#15803d;--border:#0000001a}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-app);color:var(--text-primary);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}input[type=number]{-moz-appearance:textfield}.main-container{max-width:1200px;margin:0 auto;padding:24px}.calc-breadcrumb{color:var(--text-muted);padding:10px 0 4px;font-size:.79rem}.calc-breadcrumb a{color:var(--text-secondary)}.calc-title{color:var(--text-primary);margin-bottom:6px;font-size:2rem;font-weight:700}.calc-subtitle{color:var(--text-secondary);margin-bottom:22px;font-size:.95rem}.tab-nav{border-bottom:1px solid var(--border);margin-bottom:24px;display:flex;overflow-x:auto}.tab-btn{color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:color .2s}.tab-btn:hover{color:var(--text-primary)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:1fr 1.2fr;align-items:start;gap:24px;display:grid}@media (width<=1024px){.calc-layout{grid-template-columns:1fr}}.input-col{flex-direction:column;gap:18px;display:flex}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}[data-theme=light] .card{box-shadow:0 2px 10px #00000012}.section-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:10px;font-size:.78rem;font-weight:700}.form-group{margin-bottom:14px}.form-group:last-child{margin-bottom:0}.form-label{color:var(--text-secondary);margin-bottom:6px;font-size:.82rem;font-weight:600;display:block}.glass-input{background:var(--bg-input);border:1px solid var(--border);width:100%;color:var(--text-primary);border-radius:8px;outline:none;padding:10px 14px;font-family:inherit;font-size:.92rem;transition:border-color .2s}.glass-input:focus{border-color:var(--accent)}[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#00000026}[data-theme=light] .glass-input:focus{border-color:var(--accent)}.preset-row{flex-wrap:wrap;gap:8px;margin-top:10px;display:flex}.preset-chip{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:#ffffff0f;border-radius:20px;padding:5px 14px;font-size:.78rem;font-weight:600;transition:all .2s}.preset-chip:hover{color:var(--text-primary);border-color:var(--accent);background:#ffffff1f}[data-theme=light] .preset-chip{color:#334155;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .preset-chip:hover{border-color:var(--accent);color:#0f172a;background:#15803d1a}.alert{border:1px solid #0000;border-radius:8px;padding:10px 14px;font-size:.82rem;line-height:1.6}.alert-warn{color:#fbbf24;background:#f59e0b1a;border-color:#f59e0b4d}[data-theme=light] .alert-warn{color:#78350f;background:#fffbeb;border-color:#d9770659}#alertBox{margin-top:4px;display:none}.result-col{flex-direction:column;gap:16px;display:flex}.hero-stat{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);text-align:center;padding:22px 20px;position:relative;overflow:hidden}.hero-stat:before{content:"";pointer-events:none;background:radial-gradient(at 50% 0,#22c55e14 0%,#0000 70%);position:absolute;inset:0}[data-theme=light] .hero-stat{box-shadow:0 2px 10px #00000012}[data-theme=light] .hero-stat:before{background:radial-gradient(at 50% 0,#15803d0d 0%,#0000 70%)}.hero-label{letter-spacing:.1em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;font-size:.75rem;font-weight:700}.hero-value{color:var(--accent);font-family:JetBrains Mono,monospace;font-size:2.2rem;font-weight:800;line-height:1.1}.hero-sub{color:var(--text-secondary);margin-top:6px;font-size:.8rem}[data-theme=light] .hero-value{color:#15803d}.stat-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}@media (width<=480px){.stat-grid{grid-template-columns:repeat(2,1fr)}}.stat-card{background:var(--bg-card);border:1px solid var(--border);text-align:center;border-radius:10px;padding:12px 14px}[data-theme=light] .stat-card{background:#f0f4f9;border-color:#0000001a}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px;font-size:.72rem;font-weight:600}.stat-value{color:var(--text-primary);font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700}[data-theme=light] .stat-value{color:#0f172a}[data-theme=light] .stat-label{color:#64748b}.formula-strip{flex-wrap:wrap;gap:8px;display:flex}.formula-pill{color:#4ade80;background:#22c55e14;border:1px solid #22c55e33;border-radius:20px;padding:4px 12px;font-family:JetBrains Mono,monospace;font-size:.74rem}[data-theme=light] .formula-pill{color:#15803d;background:#15803d14;border-color:#15803d33}.chart-wrap{height:var(--chart-height,220px);position:relative}.action-bar{flex-wrap:wrap;gap:8px;display:flex}.action-btn{border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:#ffffff0f;border-radius:8px;padding:8px 16px;font-family:inherit;font-size:.82rem;font-weight:600;transition:all .2s}.action-btn:hover{color:var(--text-primary);border-color:var(--accent);background:#ffffff1f}[data-theme=light] .action-btn{color:#334155;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .action-btn:hover{border-color:var(--accent);color:#0f172a;background:#15803d1a}.species-tab{flex-direction:column;gap:20px;display:flex}.climate-note{color:var(--text-muted);margin-top:8px;font-size:.8rem;font-style:italic}.comp-table-wrap{overflow-x:auto}table.comp-table{border-collapse:collapse;width:100%;font-size:.84rem}.comp-table th{text-align:left;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg-card);white-space:nowrap;padding:10px 12px;font-size:.72rem;font-weight:700}.comp-table td{border-bottom:1px solid var(--border);color:var(--text-primary);vertical-align:top;padding:10px 12px}.comp-table tr:last-child td{border-bottom:none}.comp-table tr.row-current td{background:#22c55e0f}[data-theme=light] .comp-table tr.row-current td{background:#15803d0f}.comp-table tr:hover td{background:#ffffff08}[data-theme=light] .comp-table tr:hover td{background:#00000006}.desc-cell{color:var(--text-muted);max-width:200px;font-size:.78rem}.na-cell{color:var(--text-muted);font-style:italic}[data-theme=light] .comp-table th{background:#f0f4f9}[data-theme=light] .comp-table td{color:#0f172a}.land-tab{flex-direction:column;gap:20px;display:flex}.land-inputs{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=600px){.land-inputs{grid-template-columns:1fr}}.land-results{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}@media (width<=768px){.land-results{grid-template-columns:repeat(2,1fr)}}@media (width<=480px){.land-results{grid-template-columns:1fr}}.land-stat{background:var(--bg-card);border:1px solid var(--border);text-align:center;border-radius:10px;padding:14px 16px}[data-theme=light] .land-stat{background:#f0f4f9;border-color:#0000001a}.land-stat-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:6px;font-size:.72rem;font-weight:700}.land-stat-val{color:var(--accent);font-family:JetBrains Mono,monospace;font-size:1.05rem;font-weight:700}[data-theme=light] .land-stat-val{color:#15803d}.constraint-note{color:var(--text-secondary);text-align:center;padding:8px 0;font-size:.8rem;font-style:italic}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--text-primary);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";color:var(--text-muted);flex-shrink:0;margin-left:16px;font-family:JetBrains Mono,monospace;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--accent)}.faq-item__answer{color:var(--text-secondary);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#15803d4d}[data-theme=light] .faq-item[open]{border-color:#15803d66 #15803d66 #15803d66 #15803d;border-left-style:solid;border-left-width:3px}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#15803d}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.how-section,.gloss-section,.ex-section,.article-section,.faq-section{margin-bottom:32px}.section-heading{color:var(--text-primary);margin-bottom:16px;font-size:1.4rem;font-weight:700}[data-theme=light] .section-heading{color:#0f172a}.how-steps{flex-direction:column;gap:12px;display:flex}.how-step{align-items:flex-start;gap:14px;display:flex}.step-num{background:var(--accent);color:#000;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:28px;height:28px;font-size:.82rem;font-weight:800;display:flex}[data-theme=light] .step-num{color:#fff;background:#15803d}.step-body{color:var(--text-secondary);font-size:.88rem;line-height:1.65}.step-body strong{color:var(--text-primary)}[data-theme=light] .step-body strong{color:#0f172a}[data-theme=light] .step-body{color:#475569}.calc-progress-bar{background:var(--accent);z-index:9999;height:3px;transition:width .2s;position:fixed;top:0;left:0}