:root{--accent:var(--calc-cyan);--accent-bg:#22d3ee14;--accent-glow:#22d3ee33;--purple:var(--calc-purple);--purple-bg:#a855f714;--purple-glow:#a855f733;--emerald:var(--calc-emerald);--emerald-bg:#34d39914;--rose:var(--calc-rose,#fb7185);--rose-bg:#fb718514;--gold:var(--calc-gold,#fbbf24);--gold-bg:#fbbf2414;--amber:var(--calc-amber);--amber-bg:#f59e0b14;--text-primary:var(--calc-text-primary);--text-secondary:var(--calc-text-secondary,#cbd5e1);--text-tertiary:var(--calc-text-dim);--border-subtle:#ffffff12;--border-card:#ffffff1a;--shadow-card:0 4px 24px #00000073;--radius-card:16px;--radius-chip:20px;--font:"Inter", -apple-system, sans-serif;--font-mono:var(--calc-font-mono)}[data-theme=light]{--accent:#0891b2;--accent-bg:#0891b214;--accent-glow:#0891b226;--purple:#7c3aed;--purple-bg:#7c3aed14;--purple-glow:#7c3aed26;--emerald:#047857;--emerald-bg:#05966914;--rose:#e11d48;--rose-bg:#e11d4814;--gold:#b45309;--gold-bg:#b4530914;--amber:#b45309;--amber-bg:#b4530914;--text-primary:#0f172a;--text-secondary:#334155;--text-tertiary:#64748b;--border-subtle:#00000014;--border-card:#0000001a;--shadow-card:0 2px 12px #00000014}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:linear-gradient(180deg, var(--calc-bg-page) 0%, var(--calc-bg-page-alt,#0a0e1a) 100%);min-height:100vh;color:var(--text-primary);-webkit-font-smoothing:antialiased;line-height:1.5}.dashboard-container{max-width:1300px;margin:0 auto;padding:16px 24px 32px}.calc-progress-bar{background:linear-gradient(90deg, var(--accent), var(--purple));z-index:2000;height:3px;transition:width .1s linear;position:fixed;top:0;left:0}.calc-header{margin-bottom:20px}.calc-title{color:var(--text-primary);letter-spacing:-.5px;margin-bottom:4px;font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;line-height:1.2}.calc-subtitle{color:var(--text-secondary);font-size:.92rem}.preset-row{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:18px;display:flex}.preset-label{text-transform:uppercase;letter-spacing:1px;color:var(--text-tertiary);font-size:.7rem;font-weight:700;font-family:var(--font-mono)}.preset-chip{border-radius:var(--radius-chip);font-size:.78rem;font-weight:600;font-family:var(--font);border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;white-space:nowrap;background:0 0;padding:5px 14px;transition:color .2s,border-color .2s,background .2s}.preset-chip:hover{border-color:var(--accent);color:var(--accent)}.preset-chip.active{background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}[data-theme=light] .preset-chip{color:#475569;border-color:#0000001f}[data-theme=light] .preset-chip:hover{color:#0891b2;background:#eff9fb;border-color:#0891b2}[data-theme=light] .preset-chip.active{color:#0891b2;background:#0891b214;border-color:#0891b2}.tab-strip{border:1px solid var(--border-subtle);background:#ffffff08;border-radius:12px;flex-wrap:wrap;gap:4px;margin-bottom:20px;padding:4px;display:flex}[data-theme=light] .tab-strip{background:#edf2f9;border-color:#0000001a}.tab-strip .tab-btn{min-width:120px;color:var(--text-tertiary);cursor:pointer;font-size:.83rem;font-weight:600;font-family:var(--font);text-align:center;background:0 0;border:none;border-radius:8px;flex:1;padding:9px 16px;transition:color .2s,background .2s}.tab-strip .tab-btn:hover{color:var(--text-primary);background:#ffffff0a}.tab-strip .tab-btn.active{background:var(--accent-bg);color:var(--accent);box-shadow:0 0 0 1px var(--accent-glow);border-bottom:none}[data-theme=light] .tab-strip .tab-btn:hover{color:#0f172a;background:#e2eaf4}[data-theme=light] .tab-strip .tab-btn.active{color:#0891b2;background:#0891b217;box-shadow:0 0 0 1px #0891b233}.tab-content{display:none}.tab-content.active{display:block}.calc-grid{grid-template-columns:340px 1fr;align-items:start;gap:18px;margin-bottom:18px;display:grid}@media (width<=900px){.calc-grid{grid-template-columns:1fr}}.input-card,.result-card,.chart-section{background:var(--calc-bg-card);backdrop-filter:blur(20px);border:1px solid var(--border-card);border-radius:var(--radius-card);box-shadow:var(--shadow-card);padding:20px}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .chart-section{backdrop-filter:none;background:#fff;border-color:#00000017;box-shadow:0 2px 12px #00000017}.input-card{border-left:3px solid var(--accent);height:fit-content;position:sticky;top:68px}.result-card{border-left:3px solid var(--accent)}.chart-section{margin-bottom:18px}.card-section-header{text-transform:uppercase;letter-spacing:1.5px;color:var(--accent);border-bottom:1px solid var(--border-subtle);margin-bottom:14px;padding-bottom:8px;font-size:.62rem;font-weight:700}[data-theme=light] .card-section-header{border-color:#00000014}.input-section-header{text-transform:uppercase;letter-spacing:1.2px;color:var(--calc-text-muted,#94a3b8);margin:14px 0 8px;font-size:.6rem;font-weight:700}.input-section-header:first-of-type{margin-top:0}.input-group{margin-bottom:12px}.input-group label{color:var(--text-secondary);margin-bottom:5px;font-size:.8rem;font-weight:500;display:block}.input-note{color:var(--text-tertiary);margin-top:3px;font-size:.72rem;line-height:1.4;display:block}.glass-input{border:1px solid var(--border-subtle);width:100%;color:var(--text-primary);font-size:.9rem;font-family:var(--font);background:#ffffff0a;border-radius:10px;outline:none;padding:9px 12px;transition:border-color .2s,background .2s}.glass-input:focus{border-color:var(--accent);background:#ffffff12}.glass-input::placeholder{color:#ffffff40}[data-theme=light] .glass-input{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .glass-input:focus{background:#fff;border-color:#0891b2}[data-theme=light] .glass-input::placeholder{color:#00000059}.glass-select{appearance:none;cursor:pointer}.input-with-unit{align-items:center;display:flex;position:relative}.input-prefix{color:var(--text-tertiary);pointer-events:none;font-size:.9rem;position:absolute;left:12px}.input-with-unit .glass-input{padding-left:24px}.hero-result{text-align:center;background:var(--accent-bg);border:1px solid var(--accent-glow);border-radius:12px;margin-bottom:16px;padding:20px 16px}[data-theme=light] .hero-result{background:#0891b20f;border-color:#0891b22e}.hero-label{letter-spacing:.15em;text-transform:uppercase;color:var(--calc-text-muted,#94a3b8);font-size:.65rem;font-weight:700;font-family:var(--font-mono);margin-bottom:6px;display:block}.hero-value{color:var(--accent);font-size:clamp(2.2rem,5vw,3.2rem);font-weight:800;font-family:var(--font-mono);letter-spacing:-1px;line-height:1.1;display:block}.hero-sub{color:var(--text-tertiary);margin-top:6px;font-size:.8rem;line-height:1.5;display:block}.stat-grid{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;display:grid}.stat-cell{border:1px solid var(--border-subtle);background:#ffffff08;border-radius:10px;padding:12px;transition:background .2s}.stat-cell:hover{background:#ffffff0d}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#00000014}[data-theme=light] .stat-cell:hover{background:#e2eaf4}.stat-label{text-transform:uppercase;letter-spacing:.8px;color:var(--calc-text-muted,#94a3b8);font-size:.68rem;font-weight:600;font-family:var(--font-mono);margin-bottom:4px;display:block}.stat-value{color:var(--text-primary);font-size:1.05rem;font-weight:700;font-family:var(--font-mono);display:block}.stat-sub{color:var(--text-tertiary);margin-top:2px;font-size:.7rem;display:block}.formula-strip{flex-wrap:wrap;gap:6px;margin:12px 0 10px;display:flex}.formula-pill{font-size:.72rem;font-family:var(--font-mono);background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-glow);border-radius:20px;padding:4px 10px}[data-theme=light] .formula-pill{color:#0891b2;background:#0891b214;border-color:#0891b233}.inner-chart-nav{border:1px solid var(--border-subtle);background:#ffffff08;border-radius:8px;gap:4px;margin-bottom:10px;padding:3px;display:flex}[data-theme=light] .inner-chart-nav{background:#edf2f9;border-color:#00000014}.inner-tab-btn{color:var(--text-tertiary);cursor:pointer;font-size:.75rem;font-weight:600;font-family:var(--font);text-align:center;white-space:nowrap;background:0 0;border:none;border-radius:6px;flex:1;padding:5px 10px;transition:color .2s,background .2s}.inner-tab-btn:hover{color:var(--text-primary)}.inner-tab-btn.active{background:var(--accent-bg);color:var(--accent)}[data-theme=light] .inner-tab-btn:hover{color:#0f172a}[data-theme=light] .inner-tab-btn.active{color:#0891b2;background:#0891b21a}.chart-wrap{height:220px;margin-bottom:12px;position:relative}.chart-wrap-tall{height:700px;margin-bottom:12px;position:relative}.alert-stack{flex-direction:column;gap:6px;margin:12px 0;display:flex}.alert{border-left:3px solid;border-radius:8px;align-items:flex-start;gap:8px;padding:8px 12px;font-size:.8rem;line-height:1.5;display:flex}.alert-icon{flex-shrink:0;font-size:.9rem;line-height:1.5}.alert-warn{background:var(--amber-bg);border-color:var(--amber);color:var(--amber)}.alert-info{background:var(--accent-bg);border-color:var(--accent);color:var(--accent)}.alert-good{background:var(--emerald-bg);border-color:var(--emerald);color:var(--emerald)}[data-theme=light] .alert-warn{color:#92400e;background:#fffbeb;border-color:#d97706}[data-theme=light] .alert-info{color:#0e7490;background:#eff9fb;border-color:#0891b2}[data-theme=light] .alert-good{color:#065f46;background:#f0fdf4;border-color:#059669}.action-bar{border-top:1px solid var(--border-subtle);flex-wrap:wrap;gap:8px;margin-top:12px;padding-top:12px;display:flex}[data-theme=light] .action-bar{border-color:#00000012}.action-btn{border:1px solid var(--border-subtle);color:var(--text-secondary);cursor:pointer;font-size:.8rem;font-family:var(--font);white-space:nowrap;background:#ffffff0a;border-radius:8px;padding:7px 14px;font-weight:600;transition:color .2s,border-color .2s,background .2s}.action-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-bg)}[data-theme=light] .action-btn{color:#475569;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .action-btn:hover{color:#0891b2;background:#0891b214;border-color:#0891b2}.section-title{color:var(--text-primary);margin-bottom:10px;font-size:1rem;font-weight:700}.section-desc{color:var(--text-secondary);margin-bottom:14px;font-size:.82rem;line-height:1.6}.comp-table{overflow-x:auto}.data-table{border-collapse:collapse;width:100%;font-size:.83rem}.data-table th{color:var(--calc-text-muted,#94a3b8);text-align:left;border-bottom:1px solid var(--border-subtle);text-transform:uppercase;letter-spacing:.5px;white-space:nowrap;background:#ffffff0a;padding:8px 12px;font-size:.75rem;font-weight:600}.data-table td{color:var(--text-primary);vertical-align:top;border-bottom:1px solid #ffffff08;padding:9px 12px}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover{background:#ffffff05}[data-theme=light] .data-table th{color:#475569;background:#edf2f9;border-color:#00000014}[data-theme=light] .data-table td{color:#0f172a;border-color:#0000000a}[data-theme=light] .data-table tr:hover{background:#f0f4f9}.comparison-note{color:var(--text-secondary);margin-bottom:14px;font-size:.82rem;line-height:1.5}[data-theme=light] .comparison-note{color:#475569}.btype-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px;margin-top:16px;display:grid}.btype-card{background:var(--calc-bg-card);border:1px solid var(--border-card);border-radius:14px;padding:18px;transition:border-color .2s,box-shadow .2s}.btype-card:hover{border-color:#ffffff2e}.btype-cyan{border-left:3px solid var(--accent)}.btype-purple{border-left:3px solid var(--purple)}.btype-rose{border-left:3px solid var(--rose)}.btype-gold{border-left:3px solid var(--gold)}.btype-emerald{border-left:3px solid var(--emerald)}[data-theme=light] .btype-card{background:#fff;border-color:#00000017;box-shadow:0 1px 4px #0000000d}[data-theme=light] .btype-card:hover{border-color:#0000002e;box-shadow:0 2px 10px #00000014}.btype-header{align-items:flex-start;gap:10px;margin-bottom:10px;display:flex}.btype-icon{flex-shrink:0;font-size:1.4rem;line-height:1}.btype-name{color:var(--text-primary);font-size:.9rem;font-weight:700;line-height:1.3}.btype-badge{font-size:.63rem;font-weight:700;font-family:var(--font-mono);background:var(--accent-bg);color:var(--accent);border:1px solid var(--accent-glow);letter-spacing:.5px;border-radius:10px;margin-top:3px;padding:1px 7px;display:inline-block}.btype-purple .btype-badge{background:var(--purple-bg);color:var(--purple);border-color:var(--purple-glow)}.btype-rose .btype-badge{background:var(--rose-bg);color:var(--rose);border-color:#fb718540}.btype-gold .btype-badge{background:var(--gold-bg);color:var(--gold);border-color:#fbbf2440}.btype-emerald .btype-badge{background:var(--emerald-bg);color:var(--emerald);border-color:#34d39933}.btype-desc{color:var(--text-secondary);margin-bottom:10px;font-size:.82rem;line-height:1.55}.btype-formula{font-size:.75rem;font-family:var(--font-mono);color:var(--accent);background:var(--accent-bg);border-radius:7px;margin-bottom:8px;padding:5px 9px;line-height:1.5}.btype-purple .btype-formula{color:var(--purple);background:var(--purple-bg)}.btype-rose .btype-formula{color:var(--rose);background:var(--rose-bg)}.btype-gold .btype-formula{color:var(--gold);background:var(--gold-bg)}.btype-emerald .btype-formula{color:var(--emerald);background:var(--emerald-bg)}.btype-example{color:var(--text-primary);font-size:.88rem;font-weight:700;font-family:var(--font-mono);margin-bottom:8px}.btype-note{color:var(--text-tertiary);font-size:.75rem;line-height:1.55}[data-theme=light] .btype-desc{color:#334155}[data-theme=light] .btype-name,[data-theme=light] .btype-example{color:#0f172a}[data-theme=light] .btype-note{color:#64748b}[data-theme=light] .btype-formula{color:#0891b2;background:#0891b212}[data-theme=light] .btype-purple .btype-formula{color:#7c3aed;background:#7c3aed12}[data-theme=light] .btype-rose .btype-formula{color:#be123c;background:#be123c12}[data-theme=light] .btype-gold .btype-formula{color:#b45309;background:#b4530912}[data-theme=light] .btype-emerald .btype-formula{color:#047857;background:#05966912}[data-theme=light] .btype-badge{color:#0891b2;background:#0891b214}[data-theme=light] .btype-purple .btype-badge{color:#7c3aed;background:#7c3aed14}[data-theme=light] .btype-rose .btype-badge{color:#be123c;background:#be123c14}[data-theme=light] .btype-gold .btype-badge{color:#b45309;background:#b4530914}[data-theme=light] .btype-emerald .btype-badge{color:#047857;background:#05966914}.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:"+";font-family:var(--font-mono);color:var(--text-tertiary);flex-shrink:0;margin-left:16px;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;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#0891b259;box-shadow:0 2px 10px #0891b214}[data-theme=light] .faq-item[open]{border-color:#0891b266 #0891b266 #0891b266 #0891b2;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0891b21a}[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:#0891b2}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.disclaimer{color:var(--text-tertiary);border:1px solid var(--border-subtle);background:#ffffff05;border-radius:8px;margin-top:14px;padding:12px 16px;font-size:.72rem;line-height:1.6}[data-theme=light] .disclaimer{color:#64748b;background:#f0f4f9;border-color:#00000014}@media (width<=768px){.dashboard-container{padding:12px 14px 24px}.stat-grid{grid-template-columns:1fr}.hero-value{font-size:2rem}.tab-strip .tab-btn{min-width:90px;padding:7px 10px;font-size:.78rem}.btype-grid{grid-template-columns:1fr}.chart-wrap-tall{height:900px}}@media (width<=480px){.preset-row{gap:6px}.preset-chip{padding:4px 10px;font-size:.74rem}}