:root{--ink:#192b38;--muted:#71808b;--blue:#315d78;--teal:#16877c;--line:#e8edf0;--paper:#fff;--wash:#f6f8f9;--shadow:0 7px 24px #1c38440d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font:15px 'DM Sans',sans-serif;background:#fff}.ad{height:112px;background:#fafbfc;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#a6afb5;font-size:11px;letter-spacing:.08em}.ad div{width:min(728px,94vw);height:72px;border:1px dashed #dce2e5;display:grid;place-items:center;font-size:12px;letter-spacing:0;color:#a1aab0;background:#fff}.topbar{height:76px;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 max(calc((100vw - 1190px)/2),5.5vw);gap:34px;position:sticky;top:0;background:#ffffffed;backdrop-filter:blur(14px);z-index:4}.brand{display:flex;align-items:center;gap:9px;font:800 22px Manrope,sans-serif;letter-spacing:-1px;color:var(--ink);text-decoration:none;white-space:nowrap}.brand>span:last-child>span{color:var(--teal)}.brand-mark{display:grid;place-items:center;background:#e6f4f1;color:var(--teal);width:34px;height:34px;border-radius:10px;font-size:23px}.search{height:42px;border:1px solid #e2e8eb;background:#f8fafb;border-radius:8px;display:flex;align-items:center;gap:10px;padding:0 12px;max-width:490px;flex:1;color:#87949c}.search>span{font-size:24px;line-height:0;transform:rotate(-20deg)}.search input{border:0;outline:0;background:transparent;flex:1;min-width:0;font:14px inherit;color:var(--ink)}.search kbd{font:11px 'DM Sans';border:1px solid #e1e6e8;border-radius:4px;padding:3px 5px;color:#89959c;background:white}.country{margin-left:auto;background:white;border:1px solid var(--line);padding:10px 13px;border-radius:7px;color:var(--ink);font:500 13px 'DM Sans';display:flex;align-items:center;gap:8px}.country b{color:#91a0a8}.menu{display:none;border:0;background:none;font-size:21px}.hero{max-width:1190px;margin:0 auto;padding:66px 20px 38px;text-align:center;background:radial-gradient(ellipse at 50% 10%,#edf8f6 0,transparent 53%)}.eyebrow{color:#398579;font-size:10px;font-weight:800;letter-spacing:.13em}.hero .eyebrow{display:flex;align-items:center;justify-content:center;gap:8px}.hero h1{font:800 clamp(34px,5vw,54px) Manrope,sans-serif;letter-spacing:-2.5px;margin:15px 0 10px}.hero h1 em{font-style:normal;color:var(--teal)}.hero>p{color:#71808b;font-size:16px;margin:0 auto 24px}.locale{font-size:12px;color:#85929a;display:flex;align-items:center;justify-content:center;gap:7px;flex-wrap:wrap}.locale strong{font-weight:600;color:#465966}.locale i{font-style:normal;color:#c1cbd0;padding:0 2px}.categories{max-width:1190px;padding:0 20px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.category{border:1px solid var(--line);border-radius:9px;overflow:hidden;background:#fff;box-shadow:var(--shadow);min-width:0}.cat-head{height:48px;display:flex;align-items:center;gap:11px;padding:0 16px;background:var(--cat-color);color:#fff;font-weight:700;font-size:14px}.cat-icon{font-size:17px}.cat-links{padding:10px 15px 13px;display:flex;flex-direction:column;gap:1px}.cat-links button{border:0;background:transparent;text-align:left;padding:5px 0;color:#426d87;font:500 13px 'DM Sans';cursor:pointer}.cat-links button:hover{color:var(--teal);text-decoration:underline}.more{font-size:11px!important;color:#98a3a9!important;padding-top:4px!important}.popular-section{max-width:1190px;padding:57px 20px 60px;margin:auto}.section-heading{display:flex;align-items:end;justify-content:space-between;margin:0 0 20px}.section-heading h2,.why h2{font:800 27px Manrope,sans-serif;letter-spacing:-1px;margin:5px 0 0}.muted{font-size:12px;color:#8b989f}.popular{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.popular button{border:1px solid var(--line);border-radius:8px;background:#fff;display:flex;align-items:center;gap:13px;padding:16px;text-align:left;cursor:pointer;box-shadow:var(--shadow);transition:.15s}.popular button:hover{transform:translateY(-2px);border-color:#9accc2}.popular .pop-icon{height:38px;width:38px;border-radius:9px;background:#edf7f5;display:grid;place-items:center;color:var(--teal);font-size:19px;flex:none}.popular strong{display:block;font-size:13px;color:#304654}.popular small{display:block;font-size:11px;color:#89959c;margin-top:3px}.why{position:relative;overflow:hidden;max-width:1150px;margin:0 auto 58px;padding:40px 52px;background:#eff7f5;border-radius:12px;display:flex;align-items:center;justify-content:space-between}.why p{max-width:410px;line-height:1.7;font-size:14px;color:#6c7e86;margin:0 90px 0 20px}.big-sigma{position:absolute;right:34px;bottom:-50px;font:180px Georgia;color:#dbeeea}footer{border-top:1px solid var(--line);padding:24px max(calc((100vw - 1150px)/2),5.5vw);display:flex;align-items:center;justify-content:space-between;color:#839098;font-size:12px;gap:20px}footer .brand{font-size:18px}footer .brand-mark{width:29px;height:29px;font-size:19px}.cookie{position:fixed;z-index:10;bottom:18px;left:50%;transform:translateX(-50%);width:min(780px,calc(100% - 32px));background:#fff;border:1px solid #e3e9eb;border-radius:10px;box-shadow:0 12px 44px #16334224;padding:15px 17px;display:flex;align-items:center;gap:13px}.cookie-icon{font-size:23px}.cookie strong{font-size:13px}.cookie p{font-size:11px;color:#7c898f;line-height:1.5;margin:3px 0 0}.cookie button{border:1px solid #dce4e7;background:#fff;border-radius:6px;padding:9px 12px;white-space:nowrap;font:600 12px 'DM Sans';cursor:pointer;color:#566770}.cookie .accept{background:var(--teal);border-color:var(--teal);color:#fff}dialog{border:0;border-radius:13px;box-shadow:0 20px 80px #0b26354d;padding:30px;width:min(480px,calc(100% - 32px));color:var(--ink)}dialog::backdrop{background:#172c38a3;backdrop-filter:blur(2px)}dialog .close{position:absolute;right:16px;top:11px;border:0;background:none;font-size:25px;color:#73828a;cursor:pointer}dialog h2{font:800 23px Manrope;margin:0 0 8px}dialog p{color:#77858c;font-size:13px}dialog label{display:block;color:#536671;font-size:12px;font-weight:600;margin-top:15px}dialog input,dialog select{width:100%;padding:11px;border:1px solid #dce5e8;border-radius:6px;margin-top:6px;font:14px 'DM Sans'}dialog .calculate{margin-top:18px;background:var(--teal);border:0;color:white;border-radius:6px;padding:11px 18px;font:700 13px 'DM Sans';cursor:pointer}.result{margin-top:16px;background:#eff8f5;padding:15px;border-radius:7px;font-size:14px;color:#35695f}.result strong{font-size:21px;display:block;margin-top:4px}.no-results{color:#829098;padding:25px;grid-column:1/-1}
@media(max-width:900px){.categories{grid-template-columns:repeat(2,1fr)}.popular{grid-template-columns:repeat(2,1fr)}.topbar{gap:18px}.why{margin:0 20px 45px;padding:32px}.why p{margin-right:30px}.big-sigma{opacity:.5}}
@media(max-width:560px){.ad{height:88px}.ad div{height:54px;font-size:10px}.topbar{height:64px;padding:0 16px;gap:12px}.brand{font-size:20px}.brand-mark{width:30px;height:30px}.search{height:38px}.search kbd{display:none}.country{padding:8px;font-size:0;border:0}.country span{display:none}.country b{display:none}.menu{display:block}.hero{padding:47px 18px 29px}.hero h1{letter-spacing:-1.7px}.hero>p{font-size:14px;line-height:1.6}.locale{font-size:11px}.categories{padding:0 14px;gap:10px}.cat-head{padding:0 11px;font-size:12px;gap:7px;height:44px}.cat-links{padding:8px 11px 10px}.cat-links button{font-size:12px}.popular-section{padding:42px 14px}.section-heading{align-items:start;flex-direction:column;gap:8px}.section-heading h2,.why h2{font-size:23px}.popular{gap:8px}.popular button{padding:11px 9px;gap:8px}.popular .pop-icon{width:31px;height:31px;font-size:16px}.popular strong{font-size:11px}.popular small{font-size:10px}.why{margin:0 14px 35px;padding:24px;display:block}.why p{margin:16px 0 0;max-width:80%;font-size:13px}.big-sigma{font-size:135px;right:10px;bottom:-42px}footer{padding:20px 15px;flex-wrap:wrap;font-size:10px}footer .brand{font-size:16px}.cookie{bottom:10px;padding:12px;gap:8px;flex-wrap:wrap}.cookie>div:nth-child(2){flex:1 1 calc(100% - 40px)}.cookie p{font-size:10px}.cookie button{flex:1;padding:9px}.cookie-icon{align-self:flex-start} }
.empty-search{max-width:1150px;margin:22px auto 0;padding:18px 20px;border:1px solid var(--line);border-radius:8px;color:var(--muted);background:var(--wash)}
.tool-notes{margin-top:20px;padding:15px;background:var(--wash);border-radius:8px}.tool-notes h3{margin:0 0 6px;font-size:14px}.tool-notes p{margin:0;line-height:1.6}
@media(max-width:560px){.ad{height:0;display:none}}
/* Calculator detail pages: original CalcGuru visual system */
.calc-page{max-width:1080px;margin:0 auto;padding:32px 22px 64px}.crumb{display:flex;gap:10px;color:#829098;font-size:12px;margin:0 0 30px}.crumb a,.back-link{color:#217c70;text-decoration:none}.crumb a:hover,.back-link:hover{text-decoration:underline}.calc-heading{max-width:750px;margin-bottom:25px}.calc-heading h1{font:800 clamp(30px,4vw,44px) Manrope,'DM Sans',sans-serif;letter-spacing:-1.5px;margin:8px 0}.calc-heading p{font-size:16px;line-height:1.65;color:#6d7c84;margin:0}.calc-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(250px,.75fr);gap:18px;align-items:start}.calc-card,.calc-aside,.calc-explainer{border:1px solid #e4ebed;border-radius:12px;background:#fff;box-shadow:0 7px 24px #1c38440b}.calc-card{padding:24px}.calc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.calc-fields label{display:block;color:#536671;font-size:12px;font-weight:700}.calc-fields input,.calc-fields select{width:100%;height:44px;padding:0 12px;border:1px solid #dce5e8;border-radius:7px;margin-top:7px;background:#fff;color:#192b38;font:14px 'DM Sans',sans-serif}.calc-fields input:focus,.calc-fields select:focus{outline:3px solid #16877c30;border-color:#16877c}.calc-fields input[name=expression],.calc-fields input[name=values],.calc-fields input[name=grades]{font-family:ui-monospace,Consolas,monospace}.form-actions{display:flex;gap:10px;margin-top:19px}.calc-card .calculate{margin:0;padding:12px 20px}.calc-card .reset{margin:0;padding:11px 16px;border:1px solid #dce5e8;border-radius:7px;background:white;color:#4c616d;font:700 13px 'DM Sans',sans-serif;cursor:pointer}.calc-result{display:block;margin-top:18px;padding:16px;border:1px solid #cde9df;border-radius:9px;background:#eff8f5;color:#285d51;font-size:18px;font-weight:700;line-height:1.55;overflow-wrap:anywhere}.calc-result.invalid{background:#fff2ef;color:#9d3f35;border-color:#f3d1cb}.calc-aside{padding:22px;background:#f6faf9}.calc-aside h2{font:800 19px Manrope,sans-serif;margin:10px 0}.calc-aside h3,.calc-explainer h3{font-size:14px;margin:20px 0 6px}.calc-aside p,.calc-explainer p,.calc-explainer li{font-size:13px;line-height:1.7;color:#697a82}.calc-aside .assumption{padding-top:12px;border-top:1px solid #e1e9e7;font-size:12px}.calc-explainer{margin-top:20px;padding:23px 25px}.calc-explainer h2{font:800 20px Manrope,sans-serif;margin:0}.calc-explainer ol{padding-left:20px}.calc-ad-space{margin:22px 0;padding:15px;min-height:80px;border:1px dashed #d8e0e3;border-radius:8px;background:#fafbfc;text-align:center;color:#9aa5ab;font-size:11px}.calc-ad-space p{margin:5px 0 0;font-size:11px;color:#8c999f}.back-link{font-size:13px;font-weight:700}
@media(max-width:760px){.calc-layout{grid-template-columns:1fr}.calc-page{padding:25px 16px 44px}.calc-heading p{font-size:14px}.calc-card{padding:18px}.calc-aside{padding:18px}}
@media(max-width:480px){.calc-fields{grid-template-columns:1fr;gap:12px}.calc-page{padding:20px 14px 35px}.crumb{margin-bottom:22px}.calc-explainer{padding:18px}.form-actions{flex-direction:column}.form-actions button{width:100%}}
/* Professional CalcGuru finish: deep ink, crisp type, and confident teal actions. */
.calc-page{--page-ink:#102c38;--page-teal:#087f73;max-width:1120px;padding:38px 24px 72px}.calc-page.category-math-calculators{--page-teal:#326b8a}.calc-page.category-finance-calculators{--page-teal:#087f73}.calc-page.category-health-calculators{--page-teal:#bf5b4c}.calc-page.category-date-time{--page-teal:#7050a2}.calc-page.category-unit-converters{--page-teal:#c65b18}.calc-page.category-geometry{--page-teal:#087567}.calc-page.category-everyday-calculators{--page-teal:#7737a3}.calc-page.category-cooking-calculators{--page-teal:#a86f13}
.calc-page .crumb{margin-bottom:25px;font-size:12px;color:#819099}.calc-page .crumb a{font-weight:700;color:var(--page-teal)}.calc-heading{position:relative;isolation:isolate;overflow:hidden;max-width:none;margin:0 0 25px;padding:25px 30px 28px;border:1px solid #e4ebed;border-radius:16px;background:linear-gradient(112deg,#fff 0%,#f5faf9 67%,#edf6f4 100%)}.calc-heading:after{content:'∑';position:absolute;z-index:-1;right:34px;top:-45px;font:190px Georgia,serif;color:var(--page-teal);opacity:.07}.calc-heading .eyebrow{color:var(--page-teal)}.calc-heading h1{font-size:clamp(32px,4vw,46px);letter-spacing:-1.8px;color:var(--page-ink);margin:9px 0 7px}.calc-heading p{max-width:690px;font-size:15px;color:#647680}.calc-layout{grid-template-columns:minmax(0,1.28fr) minmax(275px,.72fr);gap:20px}.calc-card,.calc-aside,.calc-explainer{border-color:#e2e9eb;border-radius:15px;box-shadow:0 10px 30px #173b480d}.calc-card{padding:27px}.calc-fields{column-gap:18px;row-gap:19px}.calc-fields label{color:#435965;font-size:11px;letter-spacing:.045em;text-transform:uppercase}.calc-fields input,.calc-fields select{height:47px;margin-top:8px;border-color:#d8e2e5;border-radius:8px;background:#fbfcfc;color:#142e3a;font-size:14px;box-shadow:inset 0 1px 1px #173b4806}.calc-fields input:focus,.calc-fields select:focus{outline:3px solid color-mix(in srgb,var(--page-teal),transparent 82%);border-color:var(--page-teal)}.form-actions{margin-top:23px}.calc-card .calculate{min-width:150px;padding:13px 22px;border-radius:8px;background:var(--page-teal);box-shadow:0 5px 12px color-mix(in srgb,var(--page-teal),transparent 80%);transition:transform .15s,box-shadow .15s}.calc-card .calculate:hover{transform:translateY(-1px);box-shadow:0 8px 16px color-mix(in srgb,var(--page-teal),transparent 72%)}.calc-card .reset{border-radius:8px}.calc-result{min-height:70px;padding:17px 19px;border:1px solid #264954;border-left:4px solid #42c6a5;border-radius:10px;background:#122f3b;color:#f1faf7;font-size:16px;box-shadow:0 7px 18px #102c381c}.calc-result.invalid{border-color:#f2c8bf;border-left-color:#d96355;background:#fff4f1;color:#8f3028}.calc-aside{padding:25px;background:#f7faf9}.calc-aside>.eyebrow{font-size:9px;color:var(--page-teal)}.calc-aside h2{font-size:20px;letter-spacing:-.3px;color:var(--page-ink);margin:12px 0 8px}.calc-aside h3,.calc-explainer h3{color:#314b58;font-size:12px;letter-spacing:.07em;text-transform:uppercase}.calc-aside p,.calc-explainer p,.calc-explainer li{font-size:13px;line-height:1.75;color:#61737c}.calc-aside .assumption{background:#fff;border:1px solid #e5eceb;border-radius:9px;padding:12px;margin:17px 0 0}.calc-explainer{margin-top:22px;padding:25px 28px}.calc-explainer h2{color:var(--page-ink);font-size:21px;letter-spacing:-.35px}.calc-explainer ol{margin:12px 0}.calc-ad-space{margin:24px 0;min-height:88px;border-color:#d8e2e4;border-radius:10px;background:#f7f9fa}.back-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--page-teal)}
.calc-page :focus-visible{outline:3px solid #16877c;outline-offset:3px}
@media(max-width:760px){.calc-heading{padding:22px}.calc-heading:after{right:10px;font-size:145px}.calc-card{padding:22px}.calc-layout{gap:14px}.calc-aside{padding:21px}}
@media(max-width:480px){.calc-page{padding:20px 14px 42px}.calc-heading{padding:20px 18px;border-radius:13px}.calc-heading:after{right:-12px;top:-26px;font-size:112px}.calc-heading h1{font-size:31px}.calc-fields{gap:15px}.calc-card{padding:17px}.calc-aside{padding:18px}.calc-explainer{padding:19px}.form-actions{flex-direction:row}.form-actions button{width:auto}.calc-card .calculate{flex:1}}
.sci-keys{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-top:19px;padding:15px;border-radius:12px;background:#f3f7f7;border:1px solid #e3ebec}.sci-key{height:42px;border:1px solid #dce5e8;border-radius:8px;background:#fff;color:#29434f;font:600 13px ui-monospace,Consolas,monospace;cursor:pointer;transition:background .12s,border-color .12s,transform .12s}.sci-key:hover{background:#e9f4f2;border-color:#9accc2}.sci-key:active{transform:translateY(1px)}.sci-key.operator{background:#e3eff0;color:#17675f}.sci-key[data-clear=true]{background:#fff2e8;border-color:#f0ddc7;color:#86571e}.sci-keys button:focus-visible{outline:3px solid #16877c;outline-offset:2px}@media(max-width:480px){.sci-keys{gap:6px;padding:10px}.sci-key{height:40px;font-size:12px}}
/* Brand system following the user-supplied CalcGuru direction. */
body.calculator-view{background:#f1f5f9;color:#12233b}.calculator-view .topbar{height:94px;padding:0 max(calc((100vw - 1320px)/2),4vw);gap:28px;border-bottom:0;background:#f1f5f9;backdrop-filter:none}.calculator-view .brand{font-size:34px;letter-spacing:-1.4px}.calculator-view .brand-mark{width:60px;height:60px;border-radius:17px;background:linear-gradient(145deg,#1674df,#0049a8);color:#fff;font-size:29px;box-shadow:0 7px 16px #06489c2a}.calculator-view .brand>span:last-child>span{color:#0875db}.calculator-view .tool-nav{display:flex;align-items:center;gap:17px;margin-left:auto;color:#22385a;font-size:15px}.calculator-view .tool-nav a{color:inherit;text-decoration:none}.calculator-view .tool-nav a:hover{color:#0875db}.calculator-view .tool-nav i{font-style:normal;color:#7488a3}.calculator-view .search,.calculator-view .country,.calculator-view .menu{display:none}
.calculator-view main#top{background:linear-gradient(180deg,#f1f5f9,#eaf0f7);min-height:calc(100vh - 160px);padding-bottom:30px}.scientific-page{max-width:1390px;padding:14px 28px 52px}.sci-layout{display:grid;grid-template-columns:minmax(0,1.62fr) minmax(330px,.92fr);gap:20px;align-items:start}.sci-machine,.sci-history{border:1px solid #263d5a;border-radius:20px;background:linear-gradient(145deg,#172a43 0%,#0b1a2d 100%);color:#f4f8ff;box-shadow:0 15px 35px #152a4420}.sci-machine{padding:25px 27px 26px}.sci-machine-head{display:flex;align-items:center;gap:16px;margin:0 0 22px}.sci-emblem{display:grid;place-items:center;width:54px;height:54px;border-radius:16px;color:#17d0dc;font-size:42px;line-height:1}.sci-machine-head h1{margin:0;font:750 clamp(23px,2.8vw,31px) Manrope,'DM Sans',sans-serif;letter-spacing:-.6px;flex:1}.angle-switch{display:flex;align-items:center;border:2px solid #34506f;border-radius:30px;background:#11243b;padding:3px 5px 3px 12px;gap:6px}.angle-switch span{color:#8fa9c7;font-size:9px;font-weight:800;letter-spacing:.1em}.angle-switch select{height:38px;min-width:103px;padding:0 16px;border:0;border-radius:24px;background:linear-gradient(135deg,#11bfd0,#06a9bd);color:#fff;font-weight:800;font-size:14px;cursor:pointer}.sci-display{min-height:154px;padding:15px 19px 12px;border:2px solid #3a5576;border-radius:15px;background:linear-gradient(145deg,#12243a,#182c45);box-shadow:inset 0 6px 20px #0612226b}.sci-display label{display:block;color:#8da6c4;font-size:9px;font-weight:800;letter-spacing:.15em}.sci-display input{width:100%;margin-top:13px;padding:0;border:0;outline:0;background:transparent;color:#eaf3ff;font:22px ui-monospace,Consolas,monospace}.sci-answer{display:block;min-height:51px;margin-top:5px;color:#fff;text-align:right;font:600 clamp(36px,5vw,55px) ui-monospace,Consolas,monospace;overflow-wrap:anywhere}.sci-answer.invalid{color:#ff9c91;font-size:20px}.sci-keypad{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;margin-top:20px}.sci-key{min-height:62px;border:1px solid #354f70;border-radius:13px;background:linear-gradient(145deg,#243d5c,#1b304b);color:#f5f8fd;font:600 19px 'DM Sans',Arial,sans-serif;cursor:pointer;box-shadow:0 4px 9px #050e1d55;transition:transform .12s,border-color .12s,filter .12s}.sci-key:hover{filter:brightness(1.2);border-color:#5a779a;transform:translateY(-1px)}.sci-key:active{transform:translateY(1px)}.sci-key.operator{background:linear-gradient(145deg,#1ab8cc,#00a9bd);border-color:#27c5d3;color:#fff;font-size:22px}.sci-key.memory{background:linear-gradient(145deg,#243d5c,#1b304b);border-color:#354f70;color:#e5effa;font-size:16px}.sci-key.utility{background:linear-gradient(145deg,#314862,#263d57);color:#d9e8f7}.sci-key:focus-visible,.angle-switch select:focus-visible,.history-clear:focus-visible{outline:3px solid #31e2e6;outline-offset:2px}.sci-form-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:14px 2px 0;color:#90a7c0;font-size:10px}.sci-clear{border:0;background:transparent;color:#a9c0d9;font-size:11px;text-decoration:underline;cursor:pointer}.sci-sidebar{display:flex;flex-direction:column;gap:16px}.sci-history{padding:20px 21px 8px}.side-title{display:flex;align-items:center;gap:13px;padding-bottom:15px;border-bottom:1px solid #344b68}.history-mark{font-size:32px;color:#d9e8f8}.side-title h2{flex:1;margin:0;color:#f4f8ff;font-size:19px}.history-clear{width:34px;height:34px;border:0;background:transparent;color:#e1ecf9;font-size:22px;cursor:pointer}.history-list{max-height:430px;overflow:auto}.history-empty{color:#91a5bd;font-size:12px;padding:10px 0}.history-item{position:relative;display:block;width:100%;min-height:76px;padding:13px 27px 12px 0;border:0;border-bottom:1px solid #344b68;background:transparent;color:#f4f8ff;text-align:left;cursor:pointer}.history-item span{display:block;max-width:88%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:15px}.history-item b{display:block;margin-top:4px;color:#45d8e3;font-size:16px}.history-item time{position:absolute;right:0;bottom:12px;color:#91a7c1;font-size:10px}.history-item i{position:absolute;right:2px;top:27px;color:#45d8e3;font-size:22px;font-style:normal}.history-item:last-child{border-bottom:0}.sci-tips{padding:18px 20px;border:1px solid #c8e2fa;border-radius:15px;background:linear-gradient(140deg,#e7f4ff,#dcebfa);color:#194987}.sci-tips h2{margin:0 0 9px;color:#0866c8;font-size:17px}.sci-tips h2 span{margin-right:7px;font-size:21px}.sci-tips ul{margin:0;padding-left:19px}.sci-tips li{padding:3px 0;color:#244b7d;font-size:12px;line-height:1.5}.sci-signoff{display:flex;align-items:center;gap:11px;padding:4px 14px;color:#193a65}.signoff-mark{font-size:38px;color:#0888bd}.sci-signoff b{display:block;font-size:21px}.sci-signoff small{display:block;color:#7188a7;font-size:10px}.scientific-page .calc-explainer{margin-top:20px}.scientific-page .calc-ad-space{max-width:750px;margin:22px auto}.scientific-page .back-link{color:#0866c8}
/* Other calculator tools use the same dark instrument panel and bright action color. */
.calculator-view .calc-page:not(.scientific-page){max-width:1280px;padding-top:16px}.calculator-view .calc-heading{padding:22px 28px;border-color:#dce6f0;background:linear-gradient(115deg,#fff,#e8f2fb)}.calculator-view .calc-heading:after{color:#167ada;opacity:.09}.calculator-view .calc-heading .eyebrow{color:#097bc8}.calculator-view .calc-heading h1{color:#152944}.calculator-view .calc-layout{grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:20px}.calculator-view .calc-card{border:1px solid #29435f;border-radius:18px;background:linear-gradient(145deg,#172a43,#0b1a2d);color:#f5f8ff;box-shadow:0 15px 35px #152a4420}.calculator-view .calc-fields label{color:#bed0e3}.calculator-view .calc-fields input,.calculator-view .calc-fields select{border:1px solid #405b7b;background:#102139;color:#f6f9ff;box-shadow:inset 0 3px 9px #08132377}.calculator-view .calc-fields input:focus,.calculator-view .calc-fields select:focus{border-color:#29c7d2;outline:3px solid #29c7d244}.calculator-view .calc-card .calculate{background:linear-gradient(135deg,#17bfce,#039daf);box-shadow:0 5px 15px #00afbf35}.calculator-view .calc-card .reset{border-color:#46617f;background:#223a56;color:#e5effa}.calculator-view .calc-result{border:1px solid #376076;border-left:4px solid #20d0dc;background:#10243a;color:#f5fbff}.calculator-view .calc-aside{border-color:#c8e2fa;background:linear-gradient(140deg,#e7f4ff,#dcebfa);color:#194987}.calculator-view .calc-aside h2,.calculator-view .calc-aside h3{color:#174a7f}.calculator-view .calc-aside p,.calculator-view .calc-explainer p,.calculator-view .calc-explainer li{color:#355676}.calculator-view .calc-aside .assumption{border-color:#ccdfef;background:#f6fbff}.calculator-view .calc-explainer{border-color:#d7e2ed;background:#fff}.calculator-view .calc-ad-space{border-color:#c9d8e6;background:#f7f9fb}
@media(max-width:900px){.calculator-view .topbar{height:82px;padding:0 22px}.calculator-view .brand{font-size:29px}.calculator-view .brand-mark{width:52px;height:52px}.sci-layout{grid-template-columns:minmax(0,1.35fr) minmax(280px,.85fr);gap:14px}.sci-machine{padding:20px}.sci-keypad{gap:7px}.sci-key{min-height:54px;border-radius:10px}.sci-history{padding:17px 16px 7px}}
@media(max-width:680px){.calculator-view .topbar{height:75px;padding:0 14px}.calculator-view .brand{font-size:25px}.calculator-view .brand-mark{width:45px;height:45px}.calculator-view .tool-nav{gap:8px;font-size:11px}.sci-layout,.calculator-view .calc-layout{grid-template-columns:1fr}.sci-machine{padding:16px}.sci-machine-head{gap:9px}.sci-emblem{width:38px;height:38px;font-size:32px}.sci-machine-head h1{font-size:21px}.angle-switch{padding-left:7px}.angle-switch span{display:none}.angle-switch select{min-width:87px;height:34px;padding:0 9px;font-size:12px}.sci-display{min-height:128px;padding:13px}.sci-display input{font-size:17px}.sci-keypad{gap:6px;margin-top:13px}.sci-key{min-height:48px;border-radius:9px;font-size:15px}.sci-sidebar{gap:12px}.sci-history{padding:15px}.sci-history .history-list{max-height:280px}.scientific-page{padding:12px 12px 34px}.calculator-view .calc-page:not(.scientific-page){padding:12px 13px 36px}.calculator-view .calc-heading{padding:19px 18px}.calculator-view .calc-fields{grid-template-columns:1fr}.sci-form-foot{font-size:9px}}
.sci-controls{display:flex;align-items:center;gap:8px}.sci-second{height:34px;padding:0 12px;border:1px solid #3a5576;border-radius:20px;background:#1d3551;color:#bfd0e4;font-size:10px;font-weight:800;letter-spacing:.08em;cursor:pointer}.sci-second[aria-pressed=true]{border-color:#39d6e0;background:#123f56;color:#4ce2e9}.sci-controls .angle-switch{margin:0}
.calculator-view .brand-mark{font-size:0;position:relative;display:grid;place-items:center}.calculator-view .brand-mark:before{content:'＋ −\A × ÷';white-space:pre;text-align:center;line-height:1.02;font:700 18px/1.02 Arial,sans-serif;color:#fff}
/* Learning content: worked examples, plain-language definitions, and related tools. */
.learning-panel{display:grid;gap:16px;margin:22px 0 24px}.learning-heading{padding:24px 28px;border:1px solid #dbe6ee;border-radius:16px;background:linear-gradient(115deg,#fff,#e8f2fb)}.learning-heading .eyebrow{color:#087bc3}.learning-heading h2{margin:7px 0 6px;color:#152944;font:750 25px Manrope,'DM Sans',sans-serif;letter-spacing:-.5px}.learning-heading p{margin:0;max-width:850px;color:#617789;font-size:13px;line-height:1.7}.learning-columns{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}.learning-card{padding:21px 23px;border:1px solid #dbe5ed;border-radius:15px;background:#fff;box-shadow:0 8px 24px #152a440a}.learning-label{display:block;margin-bottom:13px;color:#087bc3;font-size:9px;font-weight:800;letter-spacing:.14em}.formula-box{padding:14px 16px;border-left:4px solid #11b8ca;border-radius:8px;background:#eef5fa;color:#173a5b;font-size:14px;line-height:1.6;overflow-wrap:anywhere}.formula-box code{font:600 13px ui-monospace,Consolas,monospace}.worked-steps{margin:15px 0 0;padding-left:21px}.worked-steps li{padding:5px 0;color:#435d73;font-size:12px;line-height:1.65}.example-inputs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.example-inputs span{padding:9px 10px;border:1px solid #e0e9f0;border-radius:8px;background:#f7fafc;color:#405a71;font-size:10px;line-height:1.5}.example-inputs b{display:block;margin-bottom:2px;color:#70859a;font-size:9px;text-transform:uppercase;letter-spacing:.04em}.example-result{margin-top:13px;padding:14px 15px;border:1px solid #315570;border-left:4px solid #22c9d5;border-radius:9px;background:#122d42;color:#f5fbff}.example-result small{display:block;margin-bottom:4px;color:#69dce4;font-size:9px;font-weight:800;letter-spacing:.13em}.example-result strong{display:block;font-size:15px;line-height:1.5;overflow-wrap:anywhere}.example-card>p{margin:10px 0 0;color:#6a7e90;font-size:11px;line-height:1.6}.definitions-card dl{margin:0}.guide-row{display:grid;grid-template-columns:minmax(150px,.65fr) 1.35fr;gap:16px;padding:10px 0;border-bottom:1px solid #e8eef2}.guide-row:last-child{border-bottom:0}.guide-row dt{color:#274b69;font-size:11px;font-weight:700}.guide-row dd{margin:0;color:#617789;font-size:11px;line-height:1.6}.assumptions-note{padding:16px 20px;border:1px solid #c9e1f4;border-radius:12px;background:#e8f4fe;color:#234d72}.assumptions-note b{font-size:12px}.assumptions-note p{margin:6px 0 0;font-size:11px;line-height:1.7}.related-tools{padding:18px 20px;border:1px solid #dbe5ed;border-radius:12px;background:#fff}.related-tools h3{margin:0 0 11px;color:#183b58;font-size:14px}.related-tools>div{display:flex;flex-wrap:wrap;gap:8px}.related-tools a{display:inline-flex;gap:10px;align-items:center;padding:9px 12px;border:1px solid #dce8f1;border-radius:8px;background:#f7fafc;color:#17588c;font-size:11px;font-weight:700;text-decoration:none}.related-tools a:hover{border-color:#6cbfc8;background:#effbfb}.scientific-page .learning-heading{border-color:#c9d8e8}.scientific-page .example-inputs span{background:#f4f8fb}
.calculator-view .learning-panel{margin:22px 0}.calculator-view .learning-card,.calculator-view .related-tools{box-shadow:0 8px 24px #152a4409}
@media(max-width:700px){.learning-columns{grid-template-columns:1fr}.learning-heading{padding:20px}.learning-card{padding:18px}.guide-row{grid-template-columns:1fr;gap:4px}.example-inputs{grid-template-columns:1fr 1fr}}
@media(max-width:420px){.example-inputs{grid-template-columns:1fr}.learning-heading h2{font-size:22px}}


/* Original CalcGuru mortgage planner panels */
.mortgage-group h2,.calc-card .mortgage-result h2{font-size:1rem;margin:0 0 .8rem;color:#d8e8fa}.mortgage-group{margin-bottom:1rem}.mortgage-options{margin:1rem 0;padding:1rem;border:1px solid #344d69;border-radius:14px;background:#101f33}.mortgage-options summary,.amortization summary{cursor:pointer;color:#8de5ef;font-weight:700}.mortgage-options p{color:#a9bdd3;font-size:.9rem}.mortgage-result{margin-top:1.2rem;padding:1rem;border:1px solid #315173;border-radius:16px;background:#0c1a2b;color:#edf5ff}.mortgage-result[hidden]{display:none}.mortgage-summary{padding:1.2rem;border-radius:14px;background:linear-gradient(120deg,#123d64,#075d70);display:grid;gap:.25rem}.mortgage-summary span{font-size:.75rem;letter-spacing:.1em;color:#bceef3}.mortgage-summary strong{font-size:2rem}.mortgage-summary small,.mortgage-note{color:#c2d4e7}.mortgage-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.6rem;margin:1rem 0}.mortgage-stats div{padding:.8rem;border:1px solid #2d4560;border-radius:12px;display:grid;gap:.35rem}.mortgage-stats span{color:#a9bdd3;font-size:.82rem}.mortgage-stats b{font-size:1rem}.mortgage-breakdown{margin:.5rem 0 1rem}.mortgage-breakdown div{display:flex;justify-content:space-between;gap:1rem;padding:.55rem 0;border-bottom:1px solid #263a51}.mortgage-breakdown dt{color:#c7d8e9}.mortgage-breakdown dd{margin:0;font-weight:700}.amortization{padding:.8rem;border:1px solid #2d4560;border-radius:12px}.schedule-scroll{overflow:auto;margin-top:.7rem}.schedule-scroll table{border-collapse:collapse;width:100%;min-width:520px;font-size:.86rem}.schedule-scroll th,.schedule-scroll td{text-align:right;padding:.55rem;border-bottom:1px solid #263a51}.schedule-scroll th:first-child,.schedule-scroll td:first-child{text-align:left}.mortgage-note{font-size:.82rem;margin:.8rem 0 0}.mortgage-result.invalid{border-color:#e78c8c;color:#ffd0d0}@media(max-width:560px){.mortgage-stats{grid-template-columns:1fr}.mortgage-summary strong{font-size:1.65rem}}