:root{color-scheme:light;--ink:#172b43;--muted:#52647a;--brand:#075c68;--teal:#0d756d;--bg:#f5f7fa;--line:#dce4ec;--shadow:0 5px 24px rgb(23 43 67 / 4%)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:var(--bg);font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;line-height:1.6}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,select{cursor:pointer}button{touch-action:manipulation}:is(a,button,input,select):focus-visible{outline:3px solid #007f91;outline-offset:4px}::selection{background:#caece5;color:#123a39}[hidden]{display:none!important}
.container{max-width:1216px;margin-inline:auto;padding-inline:32px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;inset-block-start:12px;inset-inline-start:16px;z-index:100;padding:12px 20px;border-radius:8px;background:var(--ink);color:#fff;font-weight:700;transform:translateY(-180%)}.skip-link:focus{transform:translateY(0)}
/* A quiet header keeps language selection available on every screen. */
.header{background:#fff;border-bottom:1px solid var(--line)}.headinner{min-height:56px;display:flex;justify-content:space-between;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:9px;font-size:18px;font-weight:800;letter-spacing:-.8px;white-space:nowrap}.brandico{display:grid;place-items:center;flex:0 0 30px;height:30px;border-radius:9px;background:var(--ink);color:#b9f1de;font-size:26px;font-weight:600}.rightnav{display:flex;align-items:center;gap:24px}.navhome{color:var(--muted);font-size:12px;font-weight:650}.navhome:hover,.footer a:hover,.bread a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:4px}.langpicker{min-height:44px;max-width:168px;border:1px solid var(--line);border-radius:8px;padding:9px 12px;background:#fff;color:var(--ink);font-size:14px}
/* The landing page pairs a clear introduction with a prominent search. */
.hero,.hero.compact-hero{position:relative;overflow:hidden;background:radial-gradient(ellipse at 85% 40%,#def2eb,transparent 46%),#eef3f6;border-bottom:1px solid var(--line);padding:30px 0 28px}.hero>.container{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,.8fr);column-gap:56px;align-items:center}.eyebrow{grid-column:1;justify-self:start;display:inline-flex;align-items:center;gap:8px;color:var(--brand);text-transform:uppercase;font-size:11px;font-weight:800;letter-spacing:1.5px}.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:#168171}.hero h1,.compact-hero h1{grid-column:1;font-size:clamp(28px,3.1vw,40px);line-height:1.14;letter-spacing:-1.5px;max-width:660px;margin:12px 0;font-weight:800;text-wrap:balance}.lead,.compact-hero .lead{grid-column:1;max-width:610px;color:var(--muted);margin:0;font-size:14px;line-height:1.7}.search,.compact-hero .search{grid-column:2;grid-row:2/span 2;display:flex;gap:12px;align-items:center;width:100%;margin:0;padding-inline:18px;min-height:56px;border:1px solid #c4d7d5;border-radius:12px;background:#fff;box-shadow:0 3px 8px rgb(7 92 104 / 3%),0 12px 32px rgb(7 92 104 / 4%)}.search>span{font-size:30px;color:var(--brand);line-height:1}.search input,.compact-hero .search input{width:100%;min-width:0;min-height:54px;border:0;padding-block:12px;color:var(--ink);background:transparent;font-size:15px}.search:focus-within{border-color:var(--brand);outline:3px solid #007f91;outline-offset:4px}.search input:focus-visible{outline:0}input::placeholder{color:#62748a;opacity:1}.ticks,.compact-hero .ticks{grid-column:1/-1;display:flex;gap:12px 24px;flex-wrap:wrap;margin-top:16px;color:#4a625e;font-size:12px}.ticks b{color:#087661;margin-inline-end:3px}
main,body:has(.compact-hero) main{padding-block:22px 56px}main:focus{outline:none}.sectionhead{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:16px}.sectionhead h2{font-size:21px;font-weight:750;letter-spacing:-.6px;margin:0}.sectionhead span{color:var(--muted);font-size:13px;font-variant-numeric:tabular-nums}.grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.calc-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;min-width:0;min-height:164px;padding:19px 18px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:border-color .18s,box-shadow .18s,transform .18s}.calc-card:hover{border-color:#6b9d9c;box-shadow:0 12px 24px rgb(23 43 67 / 8%);transform:translateY(-3px)}.calc-card:focus-visible{border-color:var(--brand)}.tileicon{display:grid;place-items:center;width:40px;height:40px;flex-shrink:0;margin-bottom:14px;border-radius:11px;background:#e7f3ee;color:#135e54;font-size:25px}.calc-card:nth-child(5n+2) .tileicon{background:#e8effa;color:#27578c}.calc-card:nth-child(5n+3) .tileicon{background:#f7eee1;color:#855d2b}.calc-card:nth-child(5n+4) .tileicon{background:#eee9f6;color:#655185}.calc-card:nth-child(5n+5) .tileicon{background:#f8e9ed;color:#934f61}.calc-card b{font-size:15px;line-height:1.4;font-weight:750}.calc-card small{display:block;color:var(--muted);font-size:12px;line-height:1.6;margin-top:6px}.arr{align-self:flex-end;margin-top:auto;padding-top:10px;color:var(--brand);font-weight:600;font-size:20px;line-height:1}.empty,.search-empty{grid-column:1/-1;padding:38px 24px;margin:0;border:1px dashed #adbdcb;border-radius:12px;background:#fff;text-align:center;color:var(--muted)}
/* Calculator inputs and results use distinct surfaces and a shared rhythm. */
 .pagehead{padding:14px 0 18px;background:#fff;border-bottom:1px solid var(--line)}.bread{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;color:var(--muted);font-size:11px}.bread a{color:var(--brand)}.ptop{display:flex;align-items:flex-start;gap:12px}.ptop .tileicon{width:38px;height:38px;margin:1px 0 0;background:#e8f4f0;border:1px solid #d9eae3;font-size:22px}.ptop h1{font-size:clamp(24px,2.6vw,30px);line-height:1.2;letter-spacing:-.9px;margin:0 0 6px;text-wrap:balance}.ptop p{max-width:870px;margin:0;color:var(--muted);font-size:13px;line-height:1.65}.workarea{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(300px,.8fr);gap:20px;align-items:start}.panel{min-width:0;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff;box-shadow:var(--shadow)}.panel h2{margin:0 0 20px;font-size:16px;letter-spacing:-.3px}.formgrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:8px;min-width:0}.field.full,.full{grid-column:1/-1}.field label,.lbl{color:#3e5168;font-size:13px;font-weight:650;line-height:1.5}.field input,.field select{width:100%;min-width:0;min-height:48px;padding:11px 12px;color:var(--ink);background:#fbfcfe;border:1px solid #c8d3df;border-radius:8px;font-size:16px;font-variant-numeric:tabular-nums}.field input:focus,.field select:focus{border-color:var(--brand);background:#fff}.field input:user-invalid,.field input[aria-invalid=true]{border-color:#ab2847}.inclusive-check{display:flex;align-items:center;gap:10px}.inclusive-check input{width:20px;min-height:20px;accent-color:var(--brand)}.act{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap}.primary{min-height:48px;border:1px solid var(--brand);border-radius:8px;padding:12px 24px;background:var(--brand);color:#fff;font-size:15px;font-weight:700;box-shadow:0 3px 8px rgb(7 92 104 / 12%);transition:background .15s}.primary:hover{background:#064752}.primary:active{transform:translateY(1px);box-shadow:0 2px 0 #03404a}.results{position:sticky;top:16px;overflow:hidden;border:1px solid #174b4f;background:linear-gradient(145deg,#154b4f,#10383c);color:#fff;min-height:240px;box-shadow:0 12px 30px rgb(12 57 60 / 11%)}.kicker{color:#b7e1d3;font-size:11px;text-transform:uppercase;font-weight:800;letter-spacing:1.4px} .answer{margin:16px 0 10px;color:#fff;font-size:clamp(32px,3.6vw,46px);font-weight:800;line-height:1.25;letter-spacing:-1px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.answer.is-error{color:#ffbcc7;font-size:21px;letter-spacing:-.3px}.answer.is-pending{color:#b7d5d2;font-size:36px}.detail{white-space:pre-line;color:#d4e9e5;font-size:13px;line-height:1.75;overflow-wrap:anywhere} .resultnote{margin-top:20px;padding-top:16px;border-top:1px solid #376064;color:#bbd3d0;font-size:12px;line-height:1.8}.resultnote p:last-child{margin-bottom:0}.quick-guide{grid-column:1/-1;background:#f6f8fb;border:1px solid #e3e8f0;border-radius:12px;margin-top:24px;padding:18px}.quick-guide h3{margin:0 0 12px;color:#2a4560;font-size:13px}.quick-guide ol{margin:0;padding-inline-start:22px;color:var(--muted);font-size:12px;line-height:1.8}.quick-guide li+li{margin-top:4px}
.article{max-width:850px;margin-top:36px}.article h2{margin:30px 0 12px;font-size:23px;letter-spacing:-.5px}.article p,.article li{color:var(--muted);font-size:15px;line-height:1.9}.article a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}.example{margin-block:20px;padding:20px 24px;border-inline-start:3px solid #0d756d;border-radius:0 10px 10px 0;color:#355447;background:#eaf4ef;overflow-wrap:anywhere}.faq{padding:20px 0;border-bottom:1px solid var(--line)}.faq h3{margin:0 0 6px;font-size:15px}.faq p{margin:0}.home-seo{max-width:850px;padding-top:8px}.related{margin-top:36px;padding-top:16px;border-top:1px solid var(--line)}.related h2{margin-bottom:22px;font-size:23px;letter-spacing:-.5px}.related .calc-card{min-height:160px}.footer{padding:30px 0;border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:12px}.footrow{display:flex;justify-content:space-between;align-items:baseline;gap:16px;flex-wrap:wrap}.footer a{color:var(--brand);font-weight:650}
/* Controls remain comfortably tappable, including the scientific keypad. */
.smallbtn,.math-toggle{align-self:flex-start;min-height:44px;border:1px solid #b8d0cd;border-radius:8px;padding:9px 14px;background:#edf6f3;color:var(--brand);font-size:13px;font-weight:650}.smallbtn:hover,.math-toggle:hover{background:#deeee7}.courses{display:flex;flex-direction:column;gap:16px}.courserow{display:grid;grid-template-columns:1fr 1fr 44px;gap:12px;align-items:end}.remove{min-height:48px;padding:0;border:1px solid #e9bac5;border-radius:8px;background:#fdf0f2;color:#a62745;font-size:20px}.examples{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.examples button{min-height:44px;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:#38556e;background:#f5f8fb;font-size:13px}.note,.grade-note{color:var(--muted);font-size:12px;line-height:1.7;margin:8px 0 0}.grade-note{grid-column:1/-1}.add-course{margin-top:16px}.sci-pad{display:none;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;direction:ltr;padding:12px;border:1px solid #e3e8ef;border-radius:12px;background:#f2f5f9}.sci-wrap.keypad-open .sci-pad{display:grid}.sci-wrap .field{width:100%}.math-key{min-width:0;min-height:44px;padding:6px 1px;border:1px solid #d7dfe9;border-radius:8px;color:var(--ink);background:#fff;font-size:13px;font-weight:650;box-shadow:0 2px 0 #e0e6ee}.math-key:hover,.math-key:focus-visible{background:#dceee8;border-color:#6d9f91}.math-key.math-equals{color:#fff;background:var(--brand);border-color:var(--brand)}.languagegrid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:30px}.languagegrid a{padding:14px;border:1px solid var(--line);border-radius:8px;background:#fff;font-size:14px;font-weight:650}.root-lang-select{width:100%;max-width:440px;margin:24px auto 0;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}.root-lang-select label{display:block;margin-bottom:10px;font-size:14px;font-weight:700}.root-lang-select .langpicker{width:100%;max-width:none}.homepage-intro{margin-bottom:24px;color:var(--muted);font-size:14px}
.zakat-form{display:block}.zakat-section{margin-bottom:18px;padding:18px;border:1px solid #e3e8ef;border-radius:12px;background:#fbfcfe}.zakat-section h3{display:flex;align-items:center;gap:9px;margin:0 0 16px;font-size:14px;letter-spacing:-.2px}.zakat-section .formgrid{gap:16px}.field-hint{display:block;margin:12px 0 0;color:var(--muted);font-size:12px;line-height:1.8}.zakat-section #z-price-wrap,.zakat-section #z-custom-wrap,.zakat-section #lz-price-wrap,.zakat-section #lz-custom-wrap{min-width:0}.zakat-breakdown{margin-top:20px;padding-top:16px;border-top:1px solid #376064}.zakat-breakdown h3{margin:0 0 12px;font-size:14px}.z-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid #376064;color:#d4e9e5;font-size:13px}.z-row strong{color:#fff;text-align:end;font-size:13px;overflow-wrap:anywhere;min-width:0}.z-status{margin-top:20px;padding:16px;border:1px solid #c7dcd0;border-radius:9px;background:#fff;color:#365c4d;font-size:12px;line-height:1.8}.z-status p{margin:7px 0 0}
[dir=rtl] .brand{letter-spacing:0}[dir=rtl] .hero h1,[dir=rtl] .ptop h1{letter-spacing:0;line-height:1.35}[dir=rtl] .example{border-radius:10px 0 0 10px}[dir=rtl] .arr{transform:scaleX(-1)}
@media(max-width:1050px){.grid{grid-template-columns:repeat(3,minmax(0,1fr))}.hero>.container{column-gap:32px;grid-template-columns:minmax(0,1.4fr) minmax(250px,1fr)}.hero h1{font-size:34px}.panel{padding:22px}}
@media(max-width:760px){.container{padding-inline:22px}.headinner{min-height:56px;gap:12px}.brand{font-size:18px;gap:8px}.brandico{height:30px;flex-basis:30px;font-size:22px;border-radius:9px}.rightnav{gap:14px}.navhome{display:none}.langpicker{max-width:142px}.hero,.hero.compact-hero{padding-block:24px}.hero>.container{display:block}.hero h1,.compact-hero h1{max-width:600px;font-size:clamp(28px,5.5vw,36px);letter-spacing:-1px;margin-block:12px 10px}.lead,.compact-hero .lead{font-size:14px}.search,.compact-hero .search{margin-top:20px;max-width:520px;min-height:52px}.search input,.compact-hero .search input{min-height:50px}.ticks,.compact-hero .ticks{margin-top:16px;gap:8px 16px;font-size:11px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.calc-card{min-height:164px;padding:17px 16px 14px}.workarea{grid-template-columns:1fr;gap:20px}.results{position:static;min-height:210px}.answer{font-size:36px}.pagehead{padding-block:12px 16px}.ptop{gap:10px}.ptop .tileicon{width:34px;height:34px;font-size:22px}.ptop h1{font-size:26px}.languagegrid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:460px){.container{padding-inline:16px}.headinner{min-height:56px;gap:8px}.brand{font-size:18px}.brandico{flex-basis:28px;height:28px;font-size:20px}.langpicker{max-width:116px;font-size:13px;padding-inline:7px}.sectionhead h2{font-size:21px}.calc-card{padding:17px 13px 13px}.calc-card b{font-size:14px}.calc-card small{font-size:12px}.formgrid,.zakat-section .formgrid{grid-template-columns:1fr}.panel{padding:20px 18px}.primary{width:100%}.ptop{gap:10px}.ptop .tileicon{width:32px;height:32px;font-size:20px}.ptop h1{font-size:24px}.courserow{grid-template-columns:1fr 1fr 44px;gap:8px}.sci-pad{padding:8px;gap:4px}.math-key{font-size:12px}.zakat-section{padding:16px}.z-row{gap:10px}.article h2,.related h2{font-size:22px}}
@media(max-width:340px){.grid{grid-template-columns:1fr}.calc-card{min-height:156px}.brand{font-size:16px}.langpicker{max-width:108px}.sci-pad{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.calc-card:hover,.primary:active{transform:none}}
@media print{body{background:#fff}.header,.footer,.hero,.related,.act,.math-toggle,.sci-pad,.skip-link{display:none!important}.container{max-width:none;padding:0}main{padding:20px 0}.panel{box-shadow:none}.results{position:static;break-inside:avoid;margin-top:20px}.workarea{display:block}}
.noscript-note{padding:16px 18px;border:1px solid #d5ab60;border-radius:8px;background:#fff6e4;color:#634811;font-size:14px;line-height:1.7}
/* Shared icons use the same line weight across every calculator. */
.brandico svg{width:21px;height:21px}.tileicon svg{width:23px;height:23px}.ptop .tileicon svg{width:23px;height:23px}.search>span{display:flex;align-items:center;justify-content:center}.search svg{width:21px;height:21px}.arr{width:25px;height:25px;padding-top:0;display:grid;place-items:center;border-radius:50%;background:#eef6f3;font-size:17px;margin-block-start:12px}.calc-card:hover .arr{background:#d9eee5}
/* The workspace toolbar keeps optional actions separate from the main task. */
.control-actions{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin:0 0 18px}.secondary{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:44px;padding:9px 13px;border:1px solid #d6e0ea;border-radius:8px;background:#fff;color:#3d536b;font-size:12px;font-weight:650;line-height:1.4}.secondary:hover{background:#f1f6f8;border-color:#9fb9c3}.secondary svg{width:15px;height:15px}.secondary:disabled{opacity:.55;cursor:default}.control-actions .secondary{flex:0 1 auto}.act .secondary{background:#f7f9fc}.copy-result{color:#d2ece5;border-color:#4e7578;background:transparent}.copy-result:hover{background:#285b60;border-color:#87aaa7}.results .secondary{color:#e2f2ec;border-color:#4e7578;background:#285459}.results .secondary:hover{background:#35686c;border-color:#83aaa8}.results .control-actions{margin-top:16px;margin-bottom:0}.results .field-hint{color:#c4ddd5}
.mode-switch{display:flex;gap:4px;align-items:center;padding:4px;border:1px solid #dce4ee;border-radius:10px;background:#f3f6f9;grid-column:1/-1;justify-self:start;max-width:100%}.mode-switch button,.unit-mode{min-height:40px;padding:8px 14px;border:1px solid transparent;border-radius:7px;background:transparent;color:#52667e;font-size:12px;font-weight:700;flex:1;line-height:1.4}.mode-switch [aria-pressed=true],.mode-switch .active,.unit-mode[aria-pressed=true]{background:#fff;color:var(--brand);border-color:#dce4ec;box-shadow:0 2px 5px #243f5710}.field-hint{font-size:11px;line-height:1.65}.step-number{width:24px;height:24px;flex:0 0 24px;display:grid;place-items:center;border-radius:7px;background:#e5f1ed;color:#0b6558;font-size:11px;font-variant-numeric:tabular-nums}
/* Results have one clear number, then a visual explanation and supporting values. */
.result-visual{margin-block:18px}.result-visual p,.result-visual label{color:#d4e9e5;font-size:12px;line-height:1.7}.bmi-meter{display:block;width:100%;height:12px;overflow:hidden;border:0;border-radius:20px;background:#527674}.bmi-meter::-webkit-meter-bar{height:12px;border:0;background:#527674;border-radius:20px}.bmi-meter::-webkit-meter-optimum-value{background:#9de2bf;border-radius:20px}.bmi-meter::-webkit-meter-suboptimum-value{background:#f3d88f;border-radius:20px}.bmi-meter::-webkit-meter-even-less-good-value{background:#f2a4ab;border-radius:20px}.bmi-meter::-moz-meter-bar{background:#9de2bf;border-radius:20px}.result-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:18px}.result-metric{min-width:0;padding:12px;border:1px solid #416c6b;border-radius:10px;background:#ffffff08}.result-metric label,.result-metric span{display:block;color:#c4ddd5;font-size:11px;line-height:1.5}.result-metric strong{display:block;margin-top:5px;color:#fff;font-size:17px;font-weight:700;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.result-equation{margin-top:16px;padding:12px 14px;border-radius:9px;background:#ffffff0b;color:#d4e9e5;font-size:12px;line-height:1.8;overflow-wrap:anywhere}.result-equation:empty,.result-visual:empty,.result-metrics:empty{display:none}.result-badge{display:inline-flex;margin-top:12px;padding:5px 10px;border-radius:99px;color:#d9f5e7;background:#ffffff14;font-size:11px;font-weight:650}.result-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:18px}
.sci-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;direction:ltr;margin-bottom:4px}.sci-toolbar select{min-height:44px;border:1px solid #d4dfe8;border-radius:8px;padding:8px 12px;font-size:12px;background:#fff;color:#3e566d}.sci-examples{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.sci-examples button{min-height:44px;padding:8px 11px;border:1px solid #dce4ed;border-radius:8px;background:#f6f8fc;font-size:12px;color:#4c627a}.math-key.operator{background:#e6f3ee;color:#0b6558;border-color:#c8e0d5}.math-key.function{background:#eef0f8;color:#4a547a}.math-key.math-equals{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 2px 0 #03404a}#expr{font-size:22px;min-height:62px;letter-spacing:.2px}
/* Guides stay close to the tool without getting between inputs and calculation. */
.quick-guide .guide-summary{margin:0 0 14px;color:#50647c;font-size:12px;line-height:1.8}.guide-steps li::marker{color:#0b6558;font-weight:750}.guide-steps li+li{margin-top:9px}.guide-examples{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:16px;padding-top:14px;border-top:1px solid #dfe6ee}.example-chip{min-height:44px;border:1px solid #bed8ce;border-radius:8px;padding:9px 13px;color:#0c6254;background:#fff;font-size:12px;font-weight:700;line-height:1.4}.example-chip:hover{background:#e7f4ed}.example-outcome{color:#536b62;font-size:12px;line-height:1.7}.table-wrap{max-width:100%;overflow-x:auto;margin-block:20px;border:1px solid #dce5ed;border-radius:11px;background:#fff}.guide-table{width:100%;border-collapse:collapse;min-width:320px;font-size:13px;line-height:1.65}.guide-table th{padding:12px 16px;text-align:start;background:#edf3f6;color:#35536a;font-size:12px;font-weight:700}.guide-table td{padding:12px 16px;border-top:1px solid #e7edf3;color:#52647a;vertical-align:top}.guide-table td:first-child{color:#243f57;font-weight:600}.article h3{font-size:17px;letter-spacing:-.2px;margin:26px 0 10px}.article .example-chip{display:inline-flex;align-items:center;text-decoration:none}.article .example-outcome{display:inline-block;margin-inline-start:10px}.guide-references{padding:18px 20px;background:#edf3f6;border-radius:10px;margin-top:24px}.guide-references p,.guide-references li{font-size:12px}.guide-references h3{font-size:13px;margin:0 0 10px}
@media(max-width:760px){.results{top:0}.result-metrics{gap:8px}.hero h1{max-width:570px}.workarea{gap:16px}.result-actions{justify-content:flex-start}.quick-guide{padding:16px}.control-actions{gap:6px}.secondary{padding-inline:11px}}
@media(max-width:460px){.pagehead .bread{font-size:10px;margin-bottom:8px}.pagehead .ptop p{font-size:12px;line-height:1.6}.ptop .tileicon svg{width:20px;height:20px}.result-metric strong{font-size:16px}.result-metric{padding:11px}.mode-switch{width:100%;justify-self:stretch}.mode-switch button{padding-inline:10px}.control-actions .secondary{font-size:11px;min-height:44px}.result-equation{font-size:11px}.article .example-outcome{display:block;margin-inline-start:0;margin-top:8px}.guide-table{min-width:280px;font-size:12px}.guide-table th,.guide-table td{padding:10px 12px}.act .primary{flex:1 1 100%}.sci-pad{gap:6px}.math-key{min-height:46px}}
/* Toolbar, measurement pairs, and supporting scale labels. */
.control-actions{justify-content:space-between;gap:10px;padding-bottom:15px;border-bottom:1px solid #e7edf3}.control-buttons{display:flex;gap:6px;flex-wrap:wrap}.live-hint{display:flex;align-items:center;gap:6px;max-width:250px;color:#64778a;font-size:11px;line-height:1.5}.live-hint::before{content:"";flex:0 0 5px;width:5px;height:5px;border-radius:50%;background:#278676}.sample-notice{padding:10px 12px;margin:0 0 16px;border:1px solid #e3d7ad;border-radius:8px;background:#fff9e9;color:#79612b;font-size:11px;line-height:1.6}.height-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.inline-actions{display:flex;flex-direction:row;flex-wrap:wrap;gap:8px}.checkbox-label{display:flex;align-items:center;gap:10px;min-height:44px}.field .checkbox-label .inclusive-check{display:inline-block;flex:0 0 18px;min-height:18px;width:18px;height:18px;padding:0;accent-color:var(--brand)}.courserow{grid-template-columns:24px minmax(0,1fr) minmax(0,1fr) 44px;gap:10px}.course-number{display:grid;place-items:center;width:24px;height:24px;align-self:end;margin-bottom:12px;border-radius:7px;background:#edf2f7;color:#61758a;font-size:11px;font-weight:700}.bmi-scale{margin-top:6px}.meter-labels{display:flex;justify-content:space-between;gap:8px;margin-top:8px;color:#bcd8ce;font-size:10px;font-variant-numeric:tabular-nums;direction:ltr}.grade-progress{display:block;width:100%;height:10px;margin-top:5px;overflow:hidden;border:0;border-radius:20px;background:#527674}.grade-progress::-webkit-progress-bar{background:#527674;border-radius:20px}.grade-progress::-webkit-progress-value{background:#9de2bf;border-radius:20px}.grade-progress::-moz-progress-bar{background:#9de2bf;border-radius:20px}.result-tools{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:18px}.copy-status{color:#c4ddd5;font-size:11px;line-height:1.6}.results .control-actions{border-color:#376064}.results .live-hint{color:#c4ddd5}.sci-toolbar .field{width:auto;min-width:90px;flex:0 1 auto}.sci-toolbar .math-toggle{margin-block-start:auto}.sci-toolbar .field select{min-height:44px;font-size:12px;padding-block:8px}
.calc-card{position:relative;min-height:174px;padding-bottom:43px}.calc-card .tileicon{width:36px;height:36px;margin-bottom:12px}.calc-card .tileicon svg{width:22px;height:22px}.calc-card .arr{position:absolute;inset-inline-end:16px;bottom:14px;margin:0}
@media(max-width:460px){.courserow{grid-template-columns:20px minmax(0,1fr) minmax(0,1fr) 40px;gap:6px}.course-number{width:20px;height:22px;font-size:10px}.courserow .field label{font-size:11px}.courserow .field input,.courserow .field select{padding-inline:8px}.courserow .remove{min-width:40px}.control-actions{gap:8px}.live-hint{font-size:10px;max-width:100%}.control-buttons{gap:6px}.control-buttons .secondary{padding-inline:10px}.result-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.sci-toolbar{align-items:flex-end}.sci-toolbar .field{min-width:0}.sci-toolbar .math-toggle{font-size:11px;padding-inline:9px}.height-pair{gap:8px}.calc-card{min-height:174px}}
/* Reading follows the result on small screens; it never separates inputs and answers. */
.workarea+.quick-guide{max-width:850px;margin-top:24px;padding:22px 24px;background:#fff}.quick-guide ol{font-size:13px;line-height:1.85}.quick-guide .guide-summary{font-size:13px}.quick-guide .example-outcome{font-size:13px}.guide-steps{list-style:none;counter-reset:guide-step;padding-inline-start:0!important;display:grid;gap:14px}.guide-steps li{counter-increment:guide-step;position:relative;padding-inline-start:32px;margin:0!important}.guide-steps li::before{content:counter(guide-step);position:absolute;inset-inline-start:0;inset-block-start:1px;display:grid;place-items:center;width:22px;height:22px;border-radius:7px;background:#e9f3ee;color:#106757;font-size:11px;font-weight:750;line-height:1}.guide-summary bdi{color:#375e52;font-weight:600}.guide-table caption{padding:12px 16px;text-align:start;color:#4a637c;font-size:12px;background:#fff;border-bottom:1px solid #e1e8ef}.article{margin-top:28px}.article>h2:first-child{margin-top:0}.workarea+.quick-guide+.article{margin-top:28px}
@media(min-width:1000px){.workarea+.quick-guide{max-width:none}.workarea+.quick-guide .guide-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.workarea+.quick-guide .guide-examples{margin-top:18px}.workarea+.quick-guide .guide-summary{max-width:800px}.workarea+.quick-guide .guide-steps li{font-size:12px}}
@media(max-width:460px){.workarea+.quick-guide{padding:20px 18px;margin-top:20px}.quick-guide ol{font-size:13px}.quick-guide .guide-summary{font-size:12px}.quick-guide .example-outcome{font-size:12px}.guide-steps{gap:12px}.guide-steps li{padding-inline-start:30px}}
.mode-switch button{min-height:44px}.workarea+.quick-guide .guide-steps li{font-size:13px}
@media(min-width:341px) and (max-width:380px){.sci-pad{grid-template-columns:repeat(5,minmax(0,1fr))}}
/* Optional Zakat assets remain available without crowding the first step. */
.other-assets{grid-column:1/-1;min-width:0;margin-block:3px 0;border:1px solid #dce6e5;border-radius:10px;background:#fff;overflow:visible}.other-assets>summary{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:48px;list-style:none;padding:12px 14px;border-radius:9px;color:#345b57;font-size:13px;font-weight:650;line-height:1.6;cursor:pointer;touch-action:manipulation}.other-assets>summary::-webkit-details-marker{display:none}.other-assets>summary::after{content:"";flex:0 0 7px;width:7px;height:7px;margin-inline-end:3px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:rotate(45deg);transform-origin:center}.other-assets>summary:hover{background:#f3f8f6;color:#0b6558}.other-assets>summary:focus-visible{outline:3px solid #007f91;outline-offset:4px}.other-assets[open]>summary{border-bottom:1px solid #e0e9e6;border-end-start-radius:0;border-end-end-radius:0;background:#f3f8f6}.other-assets[open]>summary::after{transform:rotate(225deg)}.other-assets>.formgrid{padding:16px}.other-assets .field label{font-size:12px}
@media(max-width:460px){.other-assets>summary{padding:12px;font-size:12px}.other-assets>.formgrid{padding:14px}}

/* Keep the first result within easy reach on phone screens. */
@media(max-width:760px){.calculator-panel>h2{margin-bottom:12px}.calculator-panel .control-actions{padding-bottom:10px;margin-bottom:12px}.calculator-panel .sample-notice{padding-block:8px;margin-bottom:12px}.calculator-panel .formgrid{gap:16px}.calculator-panel .act{margin-top:10px}}

@media print{.results,.results *{color:#172b43!important;background:transparent!important;box-shadow:none!important}.control-actions,.result-tools,.sample-notice{display:none!important}.result-metric,.z-status{border-color:#adb9c4}}