:root{--bg:#000;--surface:#0a0a0a;--surface-2:#111214;--surface-3:#161719;--border:#242628;--border-hi:#38393c;--text:#fafafa;--text-2:#a0a0a3;--text-3:#68686c;--accent:#ca8a04;--accent-2:#eab308;--accent-dim:#ca8a0424;--good:#ca8a04;--good-dim:#ca8a041f;--radius:14px;--radius-sm:9px;--font-en:"Inter",ui-sans-serif,system-ui,-apple-system,sans-serif;--font-hi:"Noto Sans Devanagari","Inter",ui-sans-serif,system-ui,sans-serif;--font-mono:"JetBrains Mono",ui-monospace,"SF Mono",monospace}.marks-calc-wrapper{background:radial-gradient(ellipse 900px 500px at 50% -10%, #ca8a0414, transparent 60%), var(--bg);color:var(--text);font-family:var(--font-hi);-webkit-font-smoothing:antialiased;min-min-height:550px;border:1px solid var(--border);border-radius:20px;flex-direction:column;margin:0;padding:0 0 12px;display:flex;overflow:hidden;box-shadow:0 15px 35px -5px #0006}.marks-calc-wrapper.lang-en{font-family:var(--font-en)}::selection{background:var(--accent);color:#fff}img{max-width:100%}.shell{flex-direction:column;flex:1;width:100%;max-width:640px;margin:0 auto;padding:12px 10px 0;display:flex}.site-header{border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--border);background:#080809d9;position:relative}.header-inner{justify-content:space-between;align-items:center;gap:10px;max-width:640px;margin:0 auto;padding:10px 14px;display:flex}.brand{align-items:center;gap:12px;min-width:0;display:flex}.header-logo{object-fit:contain;flex-shrink:0;width:60px;height:60px}.brand-text{min-width:0;line-height:1.2}.brand-text b{white-space:nowrap;text-overflow:ellipsis;letter-spacing:-.01em;font-size:16px;font-weight:800;display:block;overflow:hidden}.brand-text span{color:var(--text-3);font-size:10px;font-family:var(--font-mono);letter-spacing:.04em}.header-right{flex:none;align-items:center;gap:8px;display:flex}.flag-icon{border:1px solid var(--border-hi);border-radius:3px;flex:none;width:28px;height:18px;overflow:hidden;box-shadow:0 1px 3px #0006}.flag-icon svg{width:100%;height:100%;display:block}.lang-toggle{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;flex:none;padding:3px;display:flex}.lang-toggle button{color:var(--text-3);font-family:var(--font-en);cursor:pointer;white-space:nowrap;background:0 0;border:0;border-radius:999px;padding:6px 11px;font-size:11px;font-weight:700;transition:background .25s,color .25s}.lang-toggle button.active{background:var(--text);color:#000}@media (width<=380px){.brand-text b{font-size:13px}.header-logo{width:46px;height:46px}.header-right{gap:6px}.lang-toggle button{padding:5px 8px;font-size:10px}}.hero{text-align:center;margin-bottom:12px}.marks-calc-wrapper h1{letter-spacing:-.01em;background:linear-gradient(#fff,#cfd3da 140%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 4px;font-size:22px;font-weight:800}.sub{color:var(--text-2);margin:0;padding:0 6px;font-size:13px;line-height:1.4}.progress-wrap{margin:10px 0 16px}.stepper{align-items:flex-start;display:flex}.step-item{flex-direction:column;flex:1;align-items:center;min-width:0;display:flex;position:relative}.step-line{background:var(--border);z-index:0;width:100%;height:2px;position:absolute;top:11px;left:-50%}.step-item:first-child .step-line{display:none}.step-line-fill{background:var(--accent);width:0%;transition:width .5s cubic-bezier(.16,1,.3,1);position:absolute;inset:0}.step-line.dotted{border-top:2px dotted var(--border-hi);background:0 0}.step-circle{z-index:1;background:var(--surface-2);border:1.5px solid var(--border-hi);width:22px;height:22px;font-family:var(--font-mono);color:var(--text-3);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:10px;font-weight:700;transition:background .4s cubic-bezier(.16,1,.3,1),border-color .4s cubic-bezier(.16,1,.3,1),color .4s,box-shadow .4s;display:flex;position:relative}.step-item.done .step-circle{background:var(--accent);border-color:var(--accent);color:#000}.step-item.current .step-circle{border-color:var(--accent);color:var(--accent-2);box-shadow:0 0 0 4px var(--accent-dim)}.step-item.done .step-line-fill,.step-item.current .step-line-fill{width:100%}.step-label{font-family:var(--font-mono);color:var(--text-3);text-align:center;letter-spacing:.02em;white-space:nowrap;text-overflow:ellipsis;max-width:64px;margin-top:6px;font-size:9px;transition:color .3s;overflow:hidden}.step-item.current .step-label{color:var(--text)}.step-item.done .step-label{color:var(--text-2)}@media (width<=380px){.step-label{max-width:40px;font-size:8px}.step-circle{width:18px;height:18px;font-size:9px}.step-line{top:9px}}.card{background:linear-gradient(180deg,var(--surface-2),var(--surface));border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;padding:16px 14px;display:flex;position:relative;overflow:hidden;box-shadow:inset 0 1px #ffffff0a,0 20px 50px -20px #000000b3}.card:before{content:"";border-radius:var(--radius);-webkit-mask-composite:xor;pointer-events:none;background:linear-gradient(155deg,#ffffff17,#0000 40%);padding:1px;position:absolute;inset:0;-webkit-mask-image:linear-gradient(#000 0 0),linear-gradient(#000 0 0);-webkit-mask-position:0 0,0 0;-webkit-mask-size:auto,auto;-webkit-mask-repeat:repeat,repeat;-webkit-mask-clip:content-box,border-box;-webkit-mask-origin:content-box,border-box;mask-composite:exclude;mask-mode:match-source,match-source}.step-panel{flex-direction:column;flex:1;animation:.42s cubic-bezier(.16,1,.3,1) enter;display:flex}@keyframes enter{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){.step-panel{animation:none}}.step-kicker{font-family:var(--font-mono);color:var(--text-3);letter-spacing:.04em;margin-bottom:4px;font-size:10.5px}.step-title{margin:0 0 4px;font-size:17px;font-weight:800}.step-desc{color:var(--text-2);margin:0 0 14px;font-size:12.5px;line-height:1.5}.post-grid{flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:4px;display:flex}.post-card{border:1px solid var(--border);background:var(--surface-3);border-radius:var(--radius-sm);cursor:pointer;text-align:center;-webkit-tap-highlight-color:transparent;flex-direction:column;flex:calc(50% - 4px);align-items:center;min-width:0;padding:10px 6px 8px;transition:border-color .18s,background .18s,transform .12s;display:flex;position:relative}.post-card:active{transform:scale(.97)}.post-card:hover{border-color:var(--border-hi)}.post-card.selected{border-color:var(--accent);background:linear-gradient(#ca8a0424,#ca8a040a)}.post-card .check{border:1.5px solid var(--border-hi);background:var(--surface-3);border-radius:50%;flex:none;justify-content:center;align-items:center;width:15px;height:15px;transition:all .2s;display:flex;position:absolute;top:6px;right:6px}.post-card.selected .check{background:var(--accent);border-color:var(--accent)}.check svg{opacity:0;stroke:#000;width:9px;height:9px;transition:all .2s;transform:scale(.5)}.post-card.selected .check svg{opacity:1;transform:scale(1)}.post-card b{justify-content:center;align-items:center;min-height:2.4em;margin:4px 0 6px;font-size:11.5px;font-weight:700;line-height:1.25;display:flex}.post-card .weights-preview{flex-wrap:wrap;justify-content:center;gap:3px;display:flex}.post-card .chip{font-family:var(--font-hi);color:var(--text-2);background:var(--surface);border:1px solid var(--border);white-space:nowrap;border-radius:4px;flex:none;padding:2px 4px;font-size:8px;font-weight:600;line-height:1.3}.post-card .chip b{font-family:var(--font-mono);color:var(--text);min-height:0;margin-left:2px;font-size:8px;font-weight:700;display:inline}.post-card.selected .chip{background:var(--surface-3);border-color:var(--border-hi);color:var(--text-2)}.post-card.selected .chip b{color:var(--accent-2)}.weight-badge{font-family:var(--font-mono);color:var(--accent-2);background:var(--accent-dim);border:1px solid #ca8a0447;border-radius:999px;align-self:flex-start;align-items:center;gap:6px;margin-bottom:14px;padding:4px 10px;font-size:11px;display:inline-flex}.mode-toggle{background:var(--surface-3);border:1px solid var(--border);border-radius:10px;gap:6px;margin-bottom:12px;padding:4px;display:flex}.mode-btn{color:var(--text-3);font-family:var(--font-hi);cursor:pointer;background:0 0;border:0;border-radius:7px;flex:1;padding:7px 10px;font-size:12.5px;font-weight:600;transition:background .2s,color .2s}.mode-btn.active{background:var(--surface);color:var(--text);box-shadow:inset 0 1px #ffffff0d,0 1px 3px #0000004d}.input-row{position:relative}.input-row input{background:var(--surface-3);border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);font-size:26px;font-weight:700;font-family:var(--font-mono);outline:none;padding:14px 44px 14px 14px;transition:border-color .2s,background .2s}.input-row input:focus{border-color:var(--accent);background:var(--surface)}.input-row input::-webkit-outer-spin-button,.input-row input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.input-row input[type=number]{-moz-appearance:textfield;appearance:textfield}.input-row input::-webkit-calendar-picker-indicator{display:none!important}.input-row .suffix{color:var(--text-3);font-family:var(--font-mono);pointer-events:none;font-size:16px;font-weight:700;position:absolute;top:50%;right:16px;transform:translateY(-50%)}.hint{color:var(--text-3);margin-top:10px;font-size:12px;line-height:1.5}.live-contrib{background:var(--surface-3);border:1px solid var(--border);border-radius:var(--radius-sm);justify-content:space-between;align-items:center;margin-top:12px;padding:10px 12px;display:flex}.live-contrib .lbl{color:var(--text-2);font-size:11.5px}.live-contrib .val{font-family:var(--font-mono);color:var(--good);font-size:14px;font-weight:700}.result-hero{text-align:center;border-radius:var(--radius-sm);background:linear-gradient(#ca8a041a,#0000);border:1px solid #ca8a0440;margin-bottom:14px;padding:20px 8px 16px}.result-hero .rlabel{font-family:var(--font-mono);color:var(--accent-2);letter-spacing:.05em;margin-bottom:6px;font-size:10.5px}.result-hero .rnum{font-size:40px;font-weight:800;font-family:var(--font-mono);letter-spacing:-.02em;background:linear-gradient(#fff,#f3d98a);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.result-hero .rpost{color:var(--text-2);margin-top:4px;font-size:12.5px}.breakdown-row{border-bottom:1px solid var(--border);grid-template-columns:1fr auto auto;align-items:center;gap:8px;padding:9px 4px;font-size:12px;display:grid}.breakdown-row:last-child{border-bottom:0}.breakdown-row .rw{font-family:var(--font-mono);color:var(--text-3);text-align:right;min-width:44px;font-size:11px}.breakdown-row .rc{font-family:var(--font-mono);text-align:right;min-width:52px;font-weight:700}.formula-note{color:var(--text-3);text-align:center;font-size:11px;font-family:var(--font-mono);margin-top:12px;line-height:1.5}.nav-row{gap:8px;margin-top:auto;padding-top:18px;display:flex}.btn{border-radius:var(--radius-sm);cursor:pointer;-webkit-tap-highlight-color:transparent;border:0;flex:1;justify-content:center;align-items:center;gap:6px;padding:12px 14px;font-family:inherit;font-size:13.5px;font-weight:700;transition:transform .12s,background .18s,opacity .18s,border-color .18s;display:flex}.btn:active{transform:scale(.96)}.btn-primary{color:#000;background:#fff}.btn-primary:hover{background:#e6e6e6}.btn-primary:disabled{opacity:.35;cursor:not-allowed;transform:none}.btn-ghost{background:var(--surface-3);color:var(--text);border:1px solid var(--border);flex:none;width:50px}.btn-ghost:hover{border-color:var(--border-hi)}.btn-secondary{color:var(--text-2);border:1px solid var(--border);background:0 0}.btn-secondary:hover{border-color:var(--border-hi);color:var(--text)}.actions{flex-wrap:wrap;gap:10px;margin-top:14px;display:flex}.actions .btn{flex:1;min-width:130px;padding:10px 12px;font-size:12px}.site-footer{text-align:center;border-top:1px solid var(--border);flex-direction:column;align-items:center;gap:4px;margin-top:10px;padding:14px 14px 8px;display:flex}.site-footer .made-by-text{color:var(--text-2);font-size:12px;font-weight:700;font-family:var(--font-mono);letter-spacing:.03em;flex-direction:column;align-items:center;gap:8px;margin:0;display:flex}.site-footer .made-by-text b{color:var(--accent-2)}.credit-avatar{object-fit:cover;border:1px solid var(--border-hi);border-radius:10px;width:120px;height:auto;box-shadow:0 4px 16px #00000080}.site-footer .tagline{color:var(--text-3);font-size:10px;font-family:var(--font-mono);letter-spacing:.04em;text-transform:uppercase;margin:0}@media print{@page{margin:16mm}.marks-calc-wrapper{padding:0;color:#111!important;background:#fff!important}.site-header,.progress-wrap,.actions,.nav-row,.site-footer,.hero .sub{display:none!important}.shell{max-width:100%;padding:0}.card{border-radius:6px;box-shadow:none!important;background:#fff!important;border:1px solid #ccc!important}.card:before{display:none}.marks-calc-wrapper h1{text-align:left;border-bottom:2px solid #111;margin-bottom:14px;padding-bottom:10px;font-size:20px;-webkit-text-fill-color:#111!important;color:#111!important;background:0 0!important}.hero{text-align:left;margin-bottom:10px}.step-kicker{color:#666!important}.step-title,.step-desc{color:#111!important}.result-hero{background:#f5f5f5!important;border:1px solid #ccc!important}.result-hero .rlabel{color:#555!important}.result-hero .rnum{-webkit-text-fill-color:#111!important;color:#111!important;background:0 0!important}.result-hero .rpost{color:#333!important}.breakdown-row{color:#111!important;border-bottom:1px solid #ddd!important}.breakdown-row .rw{color:#666!important}.breakdown-row .rc{color:#111!important}.formula-note{color:#666!important}}