:root{--midnight:#101827;--cyan:#23c7f3;--ink:#15253c;--muted:#64748b;--border:#dce5ed;--bg:#f3f6fa;--white:#fff}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;color:var(--ink)}body{margin:0;background:#fff}.wrap{width:min(100% - 40px,960px);margin:auto}.site-header{border-bottom:1px solid #e9eef4}.header-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;color:var(--midnight);text-decoration:none;font-size:24px;font-weight:800;letter-spacing:-1px}.brand-accent{color:#008bb2}.brand-icon{width:42px;height:42px;border-radius:12px;background:var(--midnight);padding:5px}.brand-icon svg{width:100%;height:100%}.header-note{font-size:13px;color:var(--muted)}main{padding-top:52px}.eyebrow{font-size:12px;font-weight:800;letter-spacing:.1em;color:#1682a3;display:flex;align-items:center;gap:12px}.eyebrow-dot{background:var(--cyan);height:5px;width:5px;border-radius:50%}h1{font-size:clamp(38px,5vw,58px);letter-spacing:-.05em;line-height:1.08;margin:14px 0 14px;color:var(--midnight)}.lead{font-size:17px;color:#536479;line-height:1.65;max-width:740px;margin:0 0 35px}.tool{border:1px solid var(--border);border-radius:20px;overflow:hidden;background:white;box-shadow:0 16px 50px rgba(16,24,39,.06)}.tabs{display:flex;background:#f8fafc;border-bottom:1px solid var(--border);padding:10px;gap:8px}.tab{flex:1;padding:15px 12px;border:1px solid transparent;border-radius:10px;background:transparent;font:inherit;font-weight:700;color:#697b8d;cursor:pointer}.tab.active{background:#fff;color:var(--midnight);border-color:#dde5ee;box-shadow:0 2px 6px #1018270b}.tab:focus-visible,.btn:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #23c7f3;outline-offset:2px}.tool-body{padding:32px}.panel{min-height:150px}.hidden{display:none!important}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}label{font-size:14px;font-weight:700;color:#24374c;display:block}input,select{display:block;margin-top:9px;width:100%;height:55px;font:inherit;color:var(--midnight);background:white;border:1px solid #cdd9e4;border-radius:11px;padding:0 16px}input[type=time]{font-size:21px;font-weight:700}input[type=number]{font-variant-numeric:tabular-nums}.optional{margin-top:22px;max-width:330px}.optional>span{font-weight:400;color:var(--muted)}.unit-input{position:relative}.unit-input input{padding-right:96px}.unit-input>span{position:absolute;right:17px;top:18px;color:var(--muted);font-size:13px}.hint{color:#7c8998;font-size:13px;line-height:1.5;margin:19px 0 0}.result{background:var(--midnight);color:white;border-radius:14px;padding:30px;margin-top:24px}.result-top{display:flex;align-items:start;justify-content:space-between;gap:12px;color:#99b3c4;font-size:12px;font-weight:800;letter-spacing:.11em}.format-label{display:flex;align-items:center;gap:8px;color:#b8c9d7;font-size:12px;letter-spacing:0;font-weight:500}.format-label select{margin:0;height:31px;width:auto;border:1px solid #455a70;border-radius:7px;padding:0 10px;background:#1d2b40;color:white;font-size:12px}.answer{font-size:clamp(24px,4vw,42px);font-weight:800;letter-spacing:-.04em;margin-top:12px;line-height:1.2}.subanswer{color:#bdd0de;font-size:15px;margin-top:11px}.error{color:#ffd5d5;margin-top:13px}.actions{display:flex;gap:13px;margin-top:24px}.btn{border-radius:11px;padding:17px 24px;min-height:55px;border:1px solid var(--border);font-size:15px;font-weight:800;display:inline-flex;align-items:center;justify-content:center;gap:10px;cursor:pointer}.btn svg{height:20px;width:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.btn.secondary{background:white;color:#25384d;flex:1}.btn.primary{background:var(--midnight);color:white;border-color:var(--midnight);flex:1}.btn.primary:hover{background:#20344e}.btn:disabled{opacity:.45;cursor:not-allowed}.notice{font-size:13px;color:#007a68;text-align:center;min-height:15px;margin-top:12px}.below{padding:56px 0 80px}.below h2{font-size:26px;letter-spacing:-.025em;margin:35px 0 20px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.steps>div,.examples>div{background:#f7f9fc;border:1px solid #e8eef3;border-radius:13px;padding:20px}.steps b{color:#159cc6;font-size:14px}.steps h3{font-size:16px;margin:11px 0 7px}.steps p,.below p{line-height:1.7;color:#64748b}.steps p{font-size:14px;margin:0}.examples{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.examples strong,.examples span{display:block}.examples span{margin-top:7px;color:#65768a;font-size:13px;line-height:1.5}details{border-bottom:1px solid #e5ebf1;padding:16px 0}summary{font-weight:700;cursor:pointer}details p{font-size:14px}.disclaimer{font-size:12px;margin-top:35px}.site-footer{border-top:1px solid var(--border);background:#f9fbfd}.footer-inner{display:flex;justify-content:space-between;padding:30px 0;font-size:13px;color:#708197}@media(max-width:600px){.wrap{width:min(100% - 28px,960px)}.header-note{display:none}main{padding-top:32px}.lead{font-size:15px}.tool-body{padding:19px}.tabs{gap:3px;padding:6px}.tab{font-size:12px;padding:12px 5px}.field-grid{grid-template-columns:1fr;gap:15px}.result{padding:20px;margin-top:20px}.result-top{flex-wrap:wrap}.actions{flex-direction:column}.steps,.examples{grid-template-columns:1fr}.below{padding-top:28px}h1{font-size:41px}.footer-inner{flex-direction:column;gap:8px}}
/* Profit margin tool additions */
.top-options{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:25px}.currency-label{display:flex;align-items:center;gap:12px}.currency-label select{margin:0;width:150px;height:46px}.private-note{font-size:12px;color:#64748b;display:flex;align-items:center;gap:7px}.privacy-dot{width:7px;height:7px;border-radius:50%;background:#10b981;display:inline-block;flex:none}.label-extra{font-weight:400;color:#76879b;font-size:12px}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:15px;border-top:1px solid #34465e;margin-top:24px;padding-top:20px}.result-stats>div{display:flex;flex-direction:column;gap:7px}.result-stats span{font-size:12px;color:#adc3d4}.result-stats strong{font-size:24px;color:white;letter-spacing:-.025em}.live-indicator{display:inline-flex;gap:8px;align-items:center;letter-spacing:0;font-weight:500}.result .subanswer{margin-top:7px}.result .error:not(.hidden){font-weight:600}.tool-body>.field-grid input{font-size:20px;font-weight:650}.btn:focus-visible{outline:3px solid var(--cyan);outline-offset:3px}@media(max-width:600px){.top-options{flex-wrap:wrap;gap:12px}.private-note{margin-left:auto}.currency-label select{width:130px}.result-stats strong{font-size:19px}}
/* Percentage tool: clean tabs and balanced inputs */
.mode-tabs{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;background:#f5f8fb;border-bottom:1px solid var(--border);padding:12px}.mode-tab{appearance:none;background:transparent;border:1px solid transparent;border-radius:10px;min-height:62px;font:inherit;font-size:14px;line-height:1.3;font-weight:750;color:#536679;padding:10px;cursor:pointer}.mode-tab.active{background:#fff;color:var(--midnight);border-color:#dce5ed;box-shadow:0 2px 9px rgba(16,24,39,.06)}.mode-tab:focus-visible{outline:3px solid var(--cyan);outline-offset:2px}.result-stats{grid-template-columns:1fr}.result-stats strong{font-size:19px}.input-suffix{font-size:12px;color:#7b8999;font-weight:400}.example-lead{padding:18px;border-radius:12px;background:#f7f9fc;border:1px solid #e8eef3}.example-lead strong{color:#15253c}@media(max-width:600px){.mode-tabs{padding:7px;gap:4px}.mode-tab{font-size:12px;min-height:57px;padding:8px 5px}}