:root{--ink:#243f38;--muted:#687a72;--green:#267c66;--mint:#e5f5ed;--peach:#fff0e5;--line:#dce7df;--paper:#fff;--bg:#fbfcfa}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 Arial,Helvetica,sans-serif}button,input,select,textarea{font:inherit}a{color:var(--green);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid #79ba9e;outline-offset:3px}input:focus,textarea:focus,select:focus{outline:2px solid #6db798;outline-offset:2px}.wrap{max-width:1080px;margin:0 auto;padding:0 24px}.site-header{background:var(--mint);border-bottom:1px solid #d3e7da}.header-inner{height:75px;display:flex;align-items:center;justify-content:space-between;gap:20px}.logo{display:inline-flex;align-items:center;gap:9px;font-size:26px;font-weight:700;letter-spacing:-1px;color:var(--ink)}.logo:hover{text-decoration:none}.logo b{color:var(--green)}.logo-mark{display:grid;grid-template-columns:repeat(2,5px);gap:4px;background:var(--green);padding:10px;border-radius:7px}.logo-mark i{width:5px;height:5px;background:white;border-radius:1px}.logo-mark i:last-child{background:#ffcbaa}.header-nav{display:flex;gap:25px;font-size:13px}.header-nav a{color:#547361}.header-nav a.active{color:var(--green);font-weight:700}.intro{padding:35px 0 25px;text-align:center}.intro h1{font-size:33px;line-height:1.3;letter-spacing:-1px;margin:0 0 9px;font-weight:700}.intro p{font-size:14px;color:var(--muted);margin:0}.top-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:28px;align-items:stretch;margin-bottom:38px}.box{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:24px}.box-title{display:flex;justify-content:space-between;align-items:center;gap:15px;margin-bottom:15px}.box-title h2{font-size:17px;margin:0}.degrees{font-size:11px;color:var(--muted);display:flex;gap:9px}.degrees label{display:flex;align-items:center;gap:4px}.degrees input{accent-color:var(--green);margin:0}.calc-display{background:#f5faf6;border:1px solid #dce9df;border-radius:5px;padding:8px 13px 10px;text-align:right;margin-bottom:12px}.calc-display input{background:transparent;border:0;width:100%;text-align:right;color:#718379;outline:none;font-size:12px;height:25px}.calc-display input:focus{outline:none}.calc-display output{display:block;white-space:nowrap;overflow:auto;font-size:30px;line-height:1.45;min-height:44px;letter-spacing:-.5px}.calc-keys{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.calc-keys button{height:36px;border:1px solid #e3eae1;background:#f5f7f2;border-radius:4px;color:#385245;font-size:13px}.calc-keys button:hover{background:#e3f1e7}.calc-keys button.number{background:#fff}.calc-keys button.op{background:#e1f2e8;color:var(--green);border-color:#d9eade}.calc-keys button.clear{background:#ffefe3;border-color:#f4ddcb;color:#a9714b}.calc-keys button.equal{background:var(--green);border-color:var(--green);color:white}.calc-help{margin:10px 0 0;font-size:10px;color:#7c8c81;min-height:16px}.finder{background:var(--peach);border:1px solid #f2dfd0;border-radius:10px;padding:25px;display:flex;flex-direction:column}.finder h2{font-size:20px;margin:0 0 7px;letter-spacing:-.3px}.finder p{font-size:12px;color:#8b796b;margin:0 0 18px}.search-field{display:flex;border:1px solid #e4d7ca;background:white;border-radius:5px;overflow:hidden}.search-field input{flex:1;min-width:0;border:0;background:white;padding:11px 12px;font-size:12px;outline:none;color:var(--ink)}.search-field input:focus{outline:none}.search-field button{background:#fff;border:0;padding:0 13px;color:var(--green);font-size:20px}.popular-title{font-size:11px;color:#9a806c;text-transform:uppercase;letter-spacing:1px;margin:24px 0 9px}.popular-links{display:grid;grid-template-columns:1fr 1fr;gap:10px 15px;font-size:12px}.finder-note{font-size:11px;color:#9b8271;border-top:1px solid #ecd8c8;padding-top:14px;margin-top:auto}.section-title{font-size:22px;letter-spacing:-.5px;margin:0 0 20px;text-align:center}.directory{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.category-block h3{font-size:15px;margin:0 0 12px;padding:11px 0;border-bottom:2px solid #d4eade;display:flex;align-items:center;gap:8px}.category-icon{font-size:15px;display:grid;place-items:center;background:#e2f2e8;width:28px;height:28px;border-radius:5px;color:#52876a}.category-block.health h3{border-color:#f1dece}.category-block.health .category-icon{background:#fff0e4;color:#bb8c66}.category-block.math h3{border-color:#e4e7d4}.category-block.math .category-icon{background:#f0f2e3;color:#8d9671}.category-block.life h3{border-color:#e2e6f0}.category-block.life .category-icon{background:#eef1f8;color:#8797aa}.category-block ul{list-style:none;padding:0;margin:0}.category-block li{margin:0 0 9px;font-size:13px;line-height:1.5}.category-more{font-size:11px!important;font-weight:700;margin-top:15px!important}.empty{grid-column:1/-1;padding:30px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:6px}.assist{margin:34px 0;background:#edf7f0;border:1px solid #dcecdf;border-radius:8px;padding:19px 22px;display:flex;gap:25px;align-items:center}.assist-copy{min-width:215px}.assist h2{font-size:14px;margin:0 0 4px}.assist p{font-size:11px;color:#7a8d7d;margin:0}.assist form{display:flex;flex:1;gap:8px}.assist input{width:100%;min-width:0;border:1px solid #d8e4d7;padding:10px 12px;border-radius:5px;background:white;font-size:12px;color:var(--ink)}.primary{border:1px solid var(--green);background:var(--green);color:#fff;padding:10px 19px;border-radius:5px;font-size:13px;font-weight:700;white-space:nowrap}.primary:hover{background:#206852}.assist-reply{font-size:13px;line-height:1.8;white-space:pre-line;background:#f5faf5;border:1px solid var(--line);border-radius:6px;padding:17px;margin-top:-24px;margin-bottom:30px}.about-short{border-top:1px solid var(--line);padding:26px 0 6px;font-size:13px;line-height:1.9;color:var(--muted)}.about-short h2{color:var(--ink);font-size:16px;margin:0 0 8px}.about-short p{margin:0}.site-footer{margin-top:30px;border-top:1px solid var(--line);background:#f3f7f1;padding:22px 0;font-size:11px;color:#839080}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}.footer-inner nav{display:flex;gap:18px}.footer-inner a{color:#6a836f}.breadcrumb{font-size:11px;color:#87998b;margin:28px 0 12px}.breadcrumb a{color:#6c8d74}.page-title{font-size:30px;line-height:1.3;letter-spacing:-.7px;margin:0 0 9px}.page-lead{font-size:13px;color:var(--muted);margin:0 0 24px}.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:35px;align-items:start}.tool-form .field{display:grid;grid-template-columns:180px 1fr;align-items:center;gap:16px;margin-bottom:16px}.field label{font-size:13px}.field input,.field select,.field textarea{background:#fff;border:1px solid #cedccd;border-radius:5px;padding:10px 12px;min-width:0;width:100%;color:var(--ink);font-size:13px}.field textarea{min-height:85px}.form-actions{display:flex;gap:15px;align-items:center;margin:22px 0 0;padding-left:196px}.secondary{font-size:12px;border:0;background:transparent;color:#879588;padding:8px}.result-box{background:#e8f6ee;border:1px solid #cde4d3;border-radius:8px;padding:22px;margin-top:22px}.result-caption{font-size:12px;color:#62816a}.result-number{font-size:29px;color:var(--green);line-height:1.5;font-weight:700;overflow-wrap:anywhere;margin:3px 0 8px}.result-details{font-size:12px;white-space:pre-line;line-height:1.9;color:#65816b}.copy-button{margin-top:12px;background:transparent;border:0;color:var(--green);font-size:11px;cursor:pointer;padding:0;text-decoration:underline}.error{color:#b44c38;font-size:12px;background:#fff0e8;border:1px solid #f3d8c8;padding:13px;border-radius:6px;margin:18px 0 0}.explanation{font-size:13px;line-height:1.9;color:var(--muted);margin-top:30px}.explanation h2{font-size:18px;color:var(--ink);margin:26px 0 8px}.explanation p{margin:0 0 14px}.formula{background:#f2f6ef;padding:14px 18px;border-left:3px solid #afd0b5;border-radius:3px;overflow-wrap:anywhere;color:#58765e;font-size:13px}.related{background:#f5f8f2;border:1px solid var(--line);border-radius:7px;padding:20px}.related h2{font-size:14px;margin:0 0 13px}.related ul{padding:0;margin:0;list-style:none}.related li{font-size:12px;line-height:1.6;margin:0 0 9px}.category-list{display:grid;grid-template-columns:1fr 1fr;gap:0 35px}.category-item{display:block;padding:19px 0;border-bottom:1px solid var(--line)}.category-item h2{margin:0 0 5px;font-size:16px}.category-item p{margin:0;font-size:12px;color:var(--muted)}.category-item:hover{text-decoration:none}.category-item:hover h2{text-decoration:underline}.article-page{max-width:760px;min-height:50vh;padding:25px 0;font-size:14px;line-height:1.9;color:var(--muted)}.article-page h1,.article-page h2{color:var(--ink)}.article-page h2{font-size:18px;margin:24px 0 8px}.preview-note{font-size:10px;color:#8b9489;text-align:center;margin-top:10px}.hidden,[hidden]{display:none!important}.copy-status{font-size:11px;color:#6b8973}.mobile-menu{display:none}@media(max-width:850px){.top-grid{gap:20px;grid-template-columns:1.3fr 1fr}.wrap{padding:0 20px}.box,.finder{padding:20px}.directory{gap:20px;grid-template-columns:repeat(2,1fr)}.header-nav{gap:15px;font-size:12px}.tool-layout{grid-template-columns:1fr 210px;gap:20px}.tool-form .field{grid-template-columns:1fr;gap:6px}.form-actions{padding-left:0}.assist{gap:15px}.assist-copy{min-width:180px}}@media(max-width:600px){.header-inner{height:auto;min-height:65px;flex-wrap:wrap;gap:0;padding-top:14px;padding-bottom:11px}.logo{font-size:25px}.header-nav{order:2;width:100%;padding-top:11px;gap:20px;overflow:auto;font-size:11px}.intro{padding:27px 0 23px}.intro h1{font-size:28px}.intro p{font-size:12px}.top-grid{grid-template-columns:1fr;gap:18px;margin-bottom:28px}.box,.finder{padding:19px}.finder h2{font-size:18px}.popular-title{margin-top:18px}.finder-note{margin-top:19px;padding-top:11px}.popular-links{font-size:12px}.calc-keys button{height:39px}.directory{gap:21px 18px}.category-block h3{font-size:13px}.category-block li{font-size:12px}.section-title{font-size:19px;margin-bottom:14px}.assist{flex-direction:column;align-items:stretch;gap:13px;padding:18px}.assist-copy{min-width:0}.assist form{width:100%}.assist input{font-size:11px}.primary{font-size:12px;padding:10px 16px}.footer-inner{flex-direction:column;gap:12px;align-items:flex-start}.footer-inner nav{gap:18px}.tool-layout{grid-template-columns:1fr;gap:30px}.related{display:none}.page-title{font-size:26px}.category-list{grid-template-columns:1fr}.tool-form .field{margin-bottom:14px}.result-number{font-size:26px}.article-page{padding-top:10px}.box-title h2{font-size:16px}.degrees{font-size:10px;gap:6px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

.tool-faq{margin-top:28px}.tool-faq details{border-bottom:1px solid #dce6e1;padding:13px 0}.tool-faq summary{cursor:pointer;font-weight:600;line-height:1.5}.tool-faq details p{margin:12px 0 4px}.logo span:last-child{white-space:nowrap}
@media(max-width:480px){.logo{font-size:20px}.logo-mark{flex-shrink:0}.header-inner{gap:12px}}