:root{--bg: #ffffff;--bg-secondary: #f8f9fa;--bg-card: #ffffff;--text: #1a1a2e;--text-secondary: #6c757d;--border: #e2e8f0;--accent: #2563eb;--accent-hover: #1d4ed8;--accent-light: #dbeafe;--success: #16a34a;--error: #dc2626;--shadow: 0 1px 3px rgba(0,0,0,.1);--shadow-lg: 0 4px 12px rgba(0,0,0,.1);--radius: 8px;--radius-lg: 12px;--max-width: 1200px;--font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", "Cascadia Code", "Consolas", monospace;--input-bg: #f1f5f9;--input-border: #cbd5e1;--affix-bg: #e2e8f0;--footer-bg: #f8fafc;--footer-text: #475569;--footer-link: #2563eb}[data-theme=dark]{--bg: #0f172a;--bg-secondary: #1e293b;--bg-card: #1e293b;--text: #e2e8f0;--text-secondary: #94a3b8;--border: #334155;--accent: #3b82f6;--accent-hover: #60a5fa;--accent-light: #1e3a5f;--shadow: 0 1px 3px rgba(0,0,0,.3);--shadow-lg: 0 4px 12px rgba(0,0,0,.4);--input-bg: #1e293b;--input-border: #334155;--affix-bg: #0f172a;--footer-bg: #0f172a;--footer-text: #94a3b8;--footer-link: #60a5fa}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}@media(prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh;transition:background-color .2s}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}a{color:var(--accent);text-decoration:none}a:hover{color:var(--accent-hover);text-decoration:underline}.site-header{background:var(--bg-card);border-bottom:1px solid var(--border);padding:.75rem 1rem;position:sticky;top:0;z-index:100}.header-inner{max-width:var(--max-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:1rem;overflow:hidden}.site-logo{font-size:1.25rem;font-weight:400;color:var(--text);display:flex;align-items:center;gap:.5rem;flex-shrink:0}.site-logo img{height:40px;width:auto}@media(max-width:768px){.site-logo img{height:36px}}.site-logo:hover{text-decoration:none;color:var(--accent)}.site-tagline{font-size:1.25rem;font-weight:700;font-style:normal;color:var(--text)}@media(max-width:768px){.site-tagline{display:none}}.mobile-hero{font-size:1.75rem;font-weight:700;margin-bottom:.25rem}.brand-this{font-weight:700;color:var(--accent);font-size:1.05em;letter-spacing:-.01em}.site-logo .brand-this{font-weight:700}.theme-toggle:before{content:"\263e";font-size:1.1rem}.theme-toggle:not(:empty):before{content:none}[data-theme=dark] .site-logo img{content:url(/img/logo-dark.svg)}[data-theme=light] .site-logo img,:root:not([data-theme=dark]) .site-logo img{content:url(/img/logo-light.svg)}.header-nav{display:flex;align-items:center;gap:.5rem}.header-nav a{color:var(--text-secondary);font-size:.875rem;padding:.375rem .75rem;border-radius:var(--radius)}.header-nav a:hover{background:var(--bg-secondary);color:var(--text);text-decoration:none}.theme-toggle{background:var(--bg-secondary);border:none;border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.125rem;color:var(--text);line-height:1;flex-shrink:0}.theme-toggle:hover{background:var(--border)}.accent-picker{display:flex;gap:4px;align-items:center;margin-right:4px}.accent-dot{width:18px;height:18px;border-radius:50%;border:2px solid transparent;cursor:pointer;transition:transform .15s;padding:0;background:none}.accent-dot:hover{transform:scale(1.25)}.accent-dot.active{border-color:var(--text)}@media(max-width:768px){.accent-picker{gap:2px}.accent-dot{width:14px;height:14px}}.page-wrapper{max-width:var(--max-width);margin:0 auto;padding:1.5rem 1rem}.content-grid{display:grid;grid-template-columns:1fr;gap:1.5rem}@media(min-width:1024px){.content-grid{grid-template-columns:1fr 300px}}.main-content{min-width:0}.ad-slot{background:var(--bg-secondary);border:1px dashed var(--border);border-radius:var(--radius);padding:1rem;text-align:center;color:var(--text-secondary);font-size:.75rem;min-height:90px;display:flex;align-items:center;justify-content:center}.ad-slot-banner{min-height:90px;margin-bottom:1.5rem}.ad-slot-sidebar{min-height:250px;position:sticky;top:5rem}.ad-slot-inline{min-height:100px;margin:1.5rem 0}.calc-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;box-shadow:var(--shadow);transition:box-shadow .15s ease,transform .15s ease}.calc-card h1{font-size:1.5rem;font-weight:700;margin-bottom:.25rem;line-height:1.3}.calc-subtitle{color:var(--text-secondary);font-size:.9375rem;margin-bottom:1.25rem}.instructions-link{display:inline-flex;align-items:center;gap:.35rem;min-height:44px;padding:.5rem 1rem;margin-bottom:1rem;font-size:.875rem;font-weight:600;color:var(--accent);background:transparent;border:1px solid var(--border);border-radius:var(--radius);text-decoration:none;cursor:pointer;transition:border-color .15s,color .15s}.instructions-link:hover{border-color:var(--accent);color:var(--accent-hover);text-decoration:none}.form-group{margin-bottom:1rem}.form-group label{display:block;font-size:.875rem;font-weight:600;margin-bottom:.375rem;color:var(--text)}.form-group .hint{font-size:.75rem;color:var(--text-secondary);font-weight:400}.input-row{display:flex;gap:.75rem}.input-row .form-group{flex:1}input[type=number],input[type=text],input[type=date],input[type=search],select{width:100%;padding:.625rem .75rem;font-size:1rem;font-family:var(--font);background:var(--input-bg);color:var(--text);border:1px solid var(--input-border);border-radius:var(--radius);transition:border-color .15s,box-shadow .15s;-moz-appearance:textfield}:root input[type=number],:root input[type=text],:root input[type=search],:root select{box-shadow:inset 0 1px 2px #0000000f}[data-theme=dark] input[type=number],[data-theme=dark] input[type=text],[data-theme=dark] input[type=search],[data-theme=dark] select{box-shadow:none}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}input::-webkit-outer-spin-button,input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}.input-with-affix{display:flex;align-items:stretch}.input-prefix,.input-suffix{background:var(--affix-bg);border:1px solid var(--input-border);padding:.625rem .75rem;font-size:.875rem;color:var(--text-secondary);display:flex;align-items:center;white-space:nowrap}.input-prefix{border-right:none;border-radius:var(--radius) 0 0 var(--radius)}.input-suffix{border-left:none;border-radius:0 var(--radius) var(--radius) 0}.input-with-affix input{border-radius:0;flex:1}.input-with-affix input:first-child{border-radius:var(--radius) 0 0 var(--radius)}.input-with-affix input:last-child{border-radius:0 var(--radius) var(--radius) 0}input[type=range]{width:100%;height:6px;-webkit-appearance:none;background:var(--border);border-radius:3px;outline:none;margin:.5rem 0}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:20px;height:20px;background:var(--accent);border-radius:50%;cursor:pointer}.result-box{background:var(--accent-light);border:1px solid var(--accent);border-radius:var(--radius);padding:1rem 1.25rem;margin-top:1.25rem}.result-label{font-size:.8125rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;margin-bottom:.25rem}.result-value{font-size:1.75rem;font-weight:700;color:var(--accent);font-family:var(--font-mono)}.result-detail{font-size:.875rem;color:var(--text-secondary);margin-top:.375rem}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:.75rem;margin-top:1rem}.result-grid .result-box{margin-top:0}@media(max-width:480px){.result-grid{grid-template-columns:1fr}.input-row{flex-direction:column;gap:0}.btn-group{display:grid;grid-template-columns:repeat(3,1fr)}input[type=number],input[type=text],input[type=date],select{min-height:44px;font-size:16px}}.skip-link{position:absolute;top:-100%;left:0;background:var(--accent);color:#fff;padding:.75rem 1.5rem;z-index:200;font-weight:600;border-radius:0 0 var(--radius) 0}.skip-link:focus{top:0;outline:none}button:focus-visible,.btn:focus-visible,.category-btn:focus-visible,.theme-toggle:focus-visible,.faq-question:focus-visible,.sci-btn:focus-visible,.mode-btn:focus-visible,.remove-btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.breakdown-table{width:100%;border-collapse:collapse;margin-top:1rem;font-size:.875rem}.breakdown-table th,.breakdown-table td{padding:.625rem .75rem;text-align:left;border-bottom:1px solid var(--border)}.breakdown-table th{font-weight:600;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);background:var(--bg-secondary)}.breakdown-table td{font-family:var(--font-mono);font-size:.8125rem}.breakdown-table tr:last-child td{border-bottom:none;font-weight:700}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.625rem 1.25rem;font-size:.875rem;font-weight:600;font-family:var(--font);border:none;border-radius:var(--radius);cursor:pointer;transition:background .15s,transform .1s}.btn:active{transform:scale(.98)}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}.btn-secondary{background:var(--bg-secondary);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-group{display:flex;gap:.5rem;margin-top:1rem;flex-wrap:wrap}.content-section{margin-top:2rem}.content-section h2{font-size:1.25rem;font-weight:700;margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid var(--border)}.content-section h3{font-size:1rem;font-weight:600;margin:1rem 0 .5rem}.content-section p{margin-bottom:.75rem;color:var(--text-secondary);line-height:1.7}.content-section ul,.content-section ol{margin:.5rem 0 1rem 1.25rem;color:var(--text-secondary)}.content-section li{margin-bottom:.375rem}.faq-section{margin-top:2rem}.faq-item{border-bottom:1px solid var(--border)}.faq-question{width:100%;background:none;border:none;padding:1rem 0;font-size:.9375rem;font-weight:600;font-family:var(--font);color:var(--text);text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem}.faq-question:after{content:"+";font-size:1.25rem;font-weight:400;color:var(--text-secondary);flex-shrink:0;transition:transform .2s}.faq-item.open .faq-question:after{content:"-"}.faq-answer{display:none;padding:0 0 1rem;color:var(--text-secondary);line-height:1.7;font-size:.9375rem}.faq-item.open .faq-answer{display:block}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem;margin-top:1rem}.tool-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.25rem;transition:box-shadow .2s,transform .15s;display:flex;flex-direction:column;gap:.5rem}.tool-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);text-decoration:none}.tool-card .tool-icon{font-size:2rem;line-height:1}.tool-card .tool-name{font-size:1rem;font-weight:600;color:var(--text)}.tool-card .tool-desc{font-size:.8125rem;color:var(--text-secondary);line-height:1.5}.tool-card .tool-tag{display:inline-block;font-size:.6875rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;padding:.125rem .5rem;border-radius:9999px;background:var(--accent-light);color:var(--accent);margin-top:auto;align-self:flex-start}.category-filter{display:flex;gap:.375rem;flex-wrap:wrap;margin-bottom:1rem}.category-btn{padding:.375rem .75rem;font-size:.8125rem;font-weight:500;border:1px solid var(--border);border-radius:9999px;background:var(--bg);color:var(--text-secondary);cursor:pointer;transition:all .15s;font-family:var(--font)}.category-btn:hover,.category-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.site-footer{max-width:var(--max-width);margin:3rem auto 0;padding:2rem 1rem;border-top:1px solid var(--border);font-size:.8125rem;color:var(--text-secondary)}.footer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1.5rem;margin-bottom:1.5rem}.footer-col h4{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text);margin-bottom:.75rem}.footer-col a{display:block;color:var(--text-secondary);padding:.25rem 0;font-size:.8125rem}.footer-col a:hover{color:var(--accent)}.footer-bottom{text-align:center;padding-top:1rem;border-top:1px solid var(--border)}.share-section{margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}.share-url{display:flex;gap:.5rem}.share-url input{flex:1;min-width:0;font-size:.8125rem;font-family:var(--font-mono);background:var(--bg-secondary);overflow:hidden;text-overflow:ellipsis}.sci-display{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);padding:1rem 1.25rem;margin-bottom:1rem;text-align:right;min-height:80px;display:flex;flex-direction:column;justify-content:flex-end}.sci-expr{font-size:.875rem;color:var(--text-secondary);word-break:break-all;min-height:1.25rem}.sci-result{font-size:2rem;font-weight:700;font-family:var(--font-mono);color:var(--text);word-break:break-all}.sci-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.375rem;max-width:100%;overflow:hidden}.sci-btn{padding:.75rem .25rem;font-size:.9375rem;font-weight:600;font-family:var(--font);border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);cursor:pointer;transition:background .1s;text-align:center}.sci-btn:hover{background:var(--bg-secondary)}.sci-btn:active{transform:scale(.97)}.sci-btn.op{background:var(--accent-light);color:var(--accent)}.sci-btn.op:hover{background:var(--accent);color:#fff}.sci-btn.fn{background:var(--bg-secondary);font-size:.8125rem}.sci-btn.eq{background:var(--accent);color:#fff;grid-column:span 2}.sci-btn.eq:hover{background:var(--accent-hover)}.sci-btn.clear{background:var(--error);color:#fff}.sci-btn.clear:hover{opacity:.9}@media(max-width:480px){.sci-grid{grid-template-columns:repeat(4,1fr)}.sci-btn{padding:.625rem .125rem;font-size:.8125rem}.sci-result{font-size:1.5rem}}.mode-toggle{display:flex;gap:.375rem;margin-bottom:.75rem}.mode-btn{padding:.375rem .75rem;font-size:.75rem;font-weight:600;border:1px solid var(--border);border-radius:9999px;background:var(--bg);color:var(--text-secondary);cursor:pointer;font-family:var(--font)}.mode-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.bmi-scale{display:flex;margin-top:1rem;border-radius:var(--radius);overflow:hidden;height:32px;position:relative}.bmi-range{display:flex;align-items:center;justify-content:center;font-size:.6875rem;font-weight:600;color:#fff}.bmi-marker{position:absolute;top:-6px;width:3px;height:44px;background:var(--text);border-radius:2px;transition:left .3s}.op-select{width:60px;text-align:center;font-size:1.25rem;font-weight:700}.course-row{display:grid;grid-template-columns:1fr 100px 80px 32px;gap:.5rem;align-items:end;margin-bottom:.5rem}.course-row input,.course-row select{padding:.5rem;font-size:.875rem}.remove-btn{background:none;border:1px solid var(--border);border-radius:var(--radius);color:var(--error);cursor:pointer;font-size:1rem;padding:.5rem;display:flex;align-items:center;justify-content:center}.remove-btn:hover{background:var(--error);color:#fff}@media(max-width:480px){.course-row{grid-template-columns:1fr 80px 65px 28px;gap:.25rem}.course-row input,.course-row select{padding:.375rem;font-size:.8125rem}}.btn-toggle-active{background:var(--accent)!important;color:#fff!important;border-color:var(--accent)!important}@media(max-height:500px)and (orientation:landscape){.site-header{padding:.375rem 1rem;position:relative}.page-wrapper{padding:.75rem 1rem}.calc-card{padding:1rem}.calc-card h1{font-size:1.25rem;margin-bottom:.125rem}.calc-subtitle{font-size:.8125rem;margin-bottom:.75rem}.form-group{margin-bottom:.625rem}.result-box{padding:.75rem 1rem;margin-top:.75rem}.result-value{font-size:1.5rem}.ad-slot-banner{min-height:50px;margin-bottom:.75rem}.content-grid{gap:1rem}.input-row{flex-direction:row;gap:.75rem}.result-grid{grid-template-columns:1fr 1fr}}@media(min-width:768px)and (max-width:1023px){.content-grid{grid-template-columns:1fr}.tools-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}.input-row{flex-direction:row;gap:.75rem}.result-grid{grid-template-columns:1fr 1fr}}.content-section,.faq-section,.site-footer{content-visibility:auto;contain-intrinsic-size:auto 500px}@media print{.site-header,.site-footer,.ad-slot,.theme-toggle,.share-section,.instructions-link{display:none}body{background:#fff;color:#000}.calc-card{border:1px solid #ccc;box-shadow:none}.result-box{background:#f8f8f8;border-color:#ccc}.breakdown-table th{background:#eee}.breakdown-table td,.breakdown-table th{border-color:#ccc}}.calc-theme-selector{display:flex;gap:.25rem;margin-bottom:.75rem;flex-wrap:wrap}.theme-chip{padding:.25rem .625rem;font-size:.6875rem;font-weight:600;border:1px solid var(--border);border-radius:9999px;background:var(--bg);color:var(--text-secondary);cursor:pointer;font-family:var(--font);transition:all .15s}.theme-chip:hover{border-color:var(--accent);color:var(--accent)}.theme-chip.active{background:var(--accent);color:#fff;border-color:var(--accent)}.constants-panel{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:.5rem;display:grid;grid-template-columns:1fr 1fr;gap:.25rem;margin-bottom:.5rem;box-shadow:var(--shadow-lg, 0 4px 12px rgba(0,0,0,.1))}.constants-panel button{padding:.5rem;font-size:.75rem;text-align:left;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;font-family:var(--font);color:var(--text)}.constants-panel button:hover{background:var(--accent-light)}.history-section{border:1px solid var(--border);border-radius:var(--radius);padding:.5rem;margin-top:.75rem;background:var(--bg-card)}.calc-card[data-calc-theme=ti84] .sci-display{background:#c8d8c0;border-color:#a0b098;color:#1a1a1a;font-family:Consolas,Courier New,monospace;position:relative}.calc-card[data-calc-theme=ti84] .sci-display:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.03) 2px,rgba(0,0,0,.03) 4px);pointer-events:none;border-radius:inherit}.calc-card[data-calc-theme=ti84] .sci-result{color:#1a1a1a}.calc-card[data-calc-theme=ti84] .sci-expr{color:#3a4a3a}.calc-card[data-calc-theme=ti84] .sci-btn{background:#e8e8e8;color:#1a1a1a;border-radius:4px}.calc-card[data-calc-theme=ti84] .sci-btn.fn{background:#2d2d2d;color:#e0e0e0;border-color:#2d2d2d}.calc-card[data-calc-theme=ti84] .sci-btn.fn:hover{background:#404040}.calc-card[data-calc-theme=ti84] .sci-btn.op{background:#1a5276;color:#fff;border-color:#1a5276}.calc-card[data-calc-theme=ti84] .sci-btn.eq{background:#1a8c1a;border-color:#1a8c1a}.calc-card[data-calc-theme=ti84] .sci-btn.clear{background:#c0392b}.calc-card[data-calc-theme=ti84] .mode-btn{background:#2d2d2d;color:#e0e0e0;border-color:#2d2d2d}.calc-card[data-calc-theme=ti84] .mode-btn.active{background:#1a5276;color:#fff;border-color:#1a5276}.calc-card[data-calc-theme=casio] .sci-display{background:#e8eee8;border-color:#b8c8b8;font-family:Courier New,monospace;position:relative}.calc-card[data-calc-theme=casio] .sci-display:before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent,transparent 1px,rgba(0,0,0,.02) 1px,rgba(0,0,0,.02) 3px),repeating-linear-gradient(0deg,transparent,transparent 1px,rgba(0,0,0,.02) 1px,rgba(0,0,0,.02) 3px);pointer-events:none;border-radius:inherit}.calc-card[data-calc-theme=casio] .sci-result{color:#222;font-weight:400}.calc-card[data-calc-theme=casio] .sci-btn{border-radius:3px;padding:.625rem .25rem}.calc-card[data-calc-theme=casio] .sci-btn.fn{background:#4a4a4a;color:#f0f0f0;border-color:#4a4a4a}.calc-card[data-calc-theme=casio] .sci-btn.op{background:#2980b9;color:#fff;border-color:#2980b9}.calc-card[data-calc-theme=casio] .sci-btn.eq{background:#e67e22;border-color:#e67e22}.calc-card[data-calc-theme=casio] .sci-btn.clear{background:#e74c3c}.calc-card[data-calc-theme=casio] .mode-btn{background:#4a4a4a;color:#f0f0f0;border-color:#4a4a4a}.calc-card[data-calc-theme=casio] .mode-btn.active{background:#2980b9;color:#fff;border-color:#2980b9}.calc-card[data-calc-theme=hp48]{background:#1a1a2e;border-color:#333;color:#d0d0e0}.calc-card[data-calc-theme=hp48] .calc-subtitle{color:#a0a0c0}.calc-card[data-calc-theme=hp48] .sci-display{background:#2a2a1a;border-color:#555530;position:relative}.calc-card[data-calc-theme=hp48] .sci-display:before{content:"";position:absolute;inset:0;background:#c8a03214;pointer-events:none;border-radius:inherit}.calc-card[data-calc-theme=hp48] .sci-result{color:#e8a832;font-family:Consolas,monospace}.calc-card[data-calc-theme=hp48] .sci-expr{color:#b8862a}.calc-card[data-calc-theme=hp48] .sci-btn{background:#2d2d3e;color:#d0d0e0;border-color:#444;border-radius:2px}.calc-card[data-calc-theme=hp48] .sci-btn:hover{background:#3d3d4e}.calc-card[data-calc-theme=hp48] .sci-btn.fn{background:#1a1a2e;color:#a0a0c0;border-color:#333}.calc-card[data-calc-theme=hp48] .sci-btn.op{background:#4a3520;color:#e8a832;border-color:#6a4a30}.calc-card[data-calc-theme=hp48] .sci-btn.eq{background:#2a6a2a;border-color:#3a8a3a}.calc-card[data-calc-theme=hp48] .sci-btn.clear{background:#8a2020}.calc-card[data-calc-theme=hp48] .mode-btn{color:#a0a0c0;border-color:#444;background:#1a1a2e}.calc-card[data-calc-theme=hp48] .mode-btn.active{background:#4a3520;color:#e8a832;border-color:#6a4a30}.calc-card[data-calc-theme=hp48] .theme-chip{background:#2d2d3e;color:#a0a0c0;border-color:#444}.calc-card[data-calc-theme=hp48] .theme-chip.active{background:#4a3520;color:#e8a832;border-color:#6a4a30}.calc-card[data-calc-theme=ti30] .sci-display{background:#d4dcd4;border-color:#a0b0a0;font-family:Courier New,monospace}.calc-card[data-calc-theme=ti30] .sci-result{color:#222}.calc-card[data-calc-theme=ti30] .sci-btn{border-radius:6px}.calc-card[data-calc-theme=ti30] .sci-btn.fn{background:#e8e0d0;color:#333;border-color:#c8c0b0}.calc-card[data-calc-theme=ti30] .sci-btn.op{background:#5b8cb8;color:#fff;border-color:#4a7ba8}.calc-card[data-calc-theme=ti30] .sci-btn.eq{background:#2a7a2a}.calc-card[data-calc-theme=ti30] .sci-btn.clear{background:#c0392b}.calc-card[data-calc-theme=ti30] .mode-btn{background:#e8e0d0;color:#333;border-color:#c8c0b0}.calc-card[data-calc-theme=ti30] .mode-btn.active{background:#5b8cb8;color:#fff;border-color:#4a7ba8}.feedback-widget{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg, 12px);padding:1.25rem;margin:1.5rem 0;box-shadow:var(--shadow);position:relative;overflow:hidden}.feedback-header{display:flex;align-items:center;gap:.5rem;font-size:.9375rem;font-weight:600;color:var(--text);margin-bottom:.75rem}.feedback-reactions{display:flex;justify-content:center;gap:1.5rem;margin-bottom:.25rem}.reaction-btn{background:none;border:2px solid transparent;border-radius:var(--radius-lg, 12px);padding:.75rem 1rem;cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:.375rem;transition:transform .15s,border-color .15s,box-shadow .15s;min-width:80px;min-height:44px}.reaction-emoji{font-size:2rem;line-height:1;transition:transform .2s}.reaction-label{font-size:.6875rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.03em}@media(prefers-reduced-motion:no-preference){.reaction-btn:hover .reaction-emoji{transform:scale(1.2) translateY(-2px)}.reaction-btn:active .reaction-emoji{transform:scale(.95)}}.reaction-btn.selected{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light, rgba(37,99,235,.15));background:var(--accent-light, rgba(37,99,235,.08))}.reaction-btn.cooldown{opacity:.5;cursor:default;pointer-events:none}.feedback-comment{max-height:0;overflow:hidden;transition:max-height .3s ease-out,margin-top .3s;margin-top:0}.feedback-comment.open{max-height:200px;margin-top:1rem}.feedback-textarea{width:100%;padding:.625rem .75rem;font-size:.875rem;font-family:var(--font);background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);resize:vertical;min-height:56px;max-height:150px;transition:border-color .15s,box-shadow .15s;margin-bottom:.5rem;box-sizing:border-box}.feedback-textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light, rgba(37,99,235,.15))}@keyframes feedback-pop-in{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.05)}to{transform:scale(1);opacity:1}}.feedback-thankyou,.feedback-request-thankyou{text-align:center;font-weight:600;color:var(--success, #16a34a);padding:1rem;font-size:.9375rem}@media(prefers-reduced-motion:no-preference){.feedback-thankyou,.feedback-request-thankyou{animation:feedback-pop-in .4s ease-out}}.feedback-thankyou .thankyou-check,.feedback-request-thankyou .thankyou-check{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;background:var(--success, #16a34a);color:#fff;border-radius:50%;font-size:.75rem;margin-right:.5rem;vertical-align:middle}.feedback-cooldown-msg{text-align:center;color:var(--text-secondary);font-size:.8125rem;padding:.5rem}.feedback-divider{border:none;border-top:1px solid var(--border);margin:.75rem 0}.feedback-request-toggle{text-align:center}.feedback-request-btn{background:none;border:none;color:var(--text-secondary);font-size:.8125rem;font-family:var(--font);cursor:pointer;padding:.375rem .75rem;border-radius:var(--radius);transition:background .15s,color .15s}.feedback-request-btn:hover{background:var(--bg-secondary);color:var(--accent)}.feedback-request{margin-top:.75rem}@media(max-width:480px){.feedback-reactions{gap:.75rem}.reaction-btn{padding:.5rem .625rem;min-width:70px}.reaction-emoji{font-size:1.75rem}}@media print{.feedback-widget{display:none!important}}.filter-btn,[class*=category-btn],[class*=filter] button{font-weight:500}.tool-card:hover,a.tool-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-1px)}.feedback-widget{border-top:1px solid var(--border)}.feedback-textarea{background:var(--input-bg);border-color:var(--input-border)}.feedback-request-btn{border:1px solid var(--accent);color:var(--accent)}.feedback-request-btn:hover{background:var(--accent);color:#fff}:root .ad-slot,[data-theme=light] .ad-slot{background:#f8fafc;border:1px dashed #cbd5e1;color:#94a3b8}[data-theme=dark] .ad-slot{background:#0f172a;border:1px dashed #334155;color:#475569}.site-footer{background:var(--footer-bg);color:var(--footer-text)}.footer-col a{color:var(--footer-text)}.footer-col a:hover{color:var(--footer-link)}#CybotCookiebotDialog{max-height:40vh!important;padding:12px 16px!important;font-size:13px!important}#CybotCookiebotDialogBodyContent{padding:0!important}#CybotCookiebotDialogBodyContentTitle{font-size:15px!important;margin:0 0 4px!important}#CybotCookiebotDialogBodyContentText{font-size:12px!important;line-height:1.3!important;margin:0 0 8px!important;max-height:3em!important;overflow:hidden!important}#CybotCookiebotDialogBodyLevelButtonsTable{margin:0!important;padding:0!important}#CybotCookiebotDialogBodyLevelButtonsSelectPane{padding:4px 0!important}#CybotCookiebotDialogBodyButtons{padding:4px 0 0!important;gap:6px!important}#CybotCookiebotDialogBodyButtons a,#CybotCookiebotDialogBodyButtons button{padding:8px 16px!important;font-size:13px!important;min-height:unset!important}#CybotCookiebotDialogBodyLevelDetailsWrapper{padding:0!important}@media(max-width:600px){#CybotCookiebotDialog{position:fixed!important;inset:auto 0 0!important;width:100%!important;max-width:100%!important;max-height:30vh!important;border-radius:12px 12px 0 0!important;transform:none!important;margin:0!important;overflow-y:auto!important}#CybotCookiebotDialogBodyContentText{max-height:2.6em!important}#CybotCookiebotDialogBodyButtons{flex-direction:row!important;flex-wrap:wrap!important}#CybotCookiebotDialogBodyButtons a,#CybotCookiebotDialogBodyButtons button{flex:1 1 auto!important;min-width:80px!important}}@media(prefers-contrast:more){:root{--text-secondary: #334155;--border: #94a3b8}[data-theme=dark]{--text-secondary: #cbd5e1;--border: #64748b}.calc-card,.content-section,.site-header,.category-btn,.faq-item,input,textarea,select{border-width:2px}:focus-visible{outline-width:3px;outline-offset:2px}.btn-primary{border:2px solid var(--accent-hover)}}
