.clv-calculator{--clv-ink:#203147;--clv-line:#dce3eb;max-width:700px;margin:0 0 25px;padding:24px;background:#fff;border:1px solid var(--clv-line);border-radius:18px;box-shadow:0 8px 28px #142c4309;color:var(--clv-ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif}.clv-calculator *{box-sizing:border-box}.clv-calculator h1{font:700 clamp(21px,3vw,29px)/1.2 system-ui,sans-serif;color:var(--clv-ink);margin:10px 0 22px;letter-spacing:-.6px}.clv-badge{font-size:11px;color:#2c6350;background:#eef7f1;padding:5px 9px;border-radius:14px}.clv-input-label{display:block;font-size:12px;color:#60728a;font-weight:600}.clv-expression{width:100%;min-height:52px;border:0;border-bottom:2px solid var(--clv-line);border-radius:0;box-shadow:none;background:white;color:var(--clv-ink);padding:8px 0;font:24px/1.4 ui-monospace,Consolas,monospace}.clv-output{display:flex;align-items:center;justify-content:space-between;gap:10px;background:#f1f5f9;border-radius:12px;padding:12px 16px;margin-top:14px}.clv-output>div{min-width:0}.clv-result-label{font-size:10px;letter-spacing:1.3px;color:#697d94}.clv-output output{display:block;min-height:45px;padding:0;border:0;box-shadow:none;background:none;overflow-wrap:anywhere;color:#203147;font:700 32px/1.4 system-ui,sans-serif}.clv-copy{border:0;background:none;color:#ad3f18;font:600 12px/1.4 system-ui,sans-serif;cursor:pointer;padding:9px;min-height:44px}.clv-status{min-height:23px;margin:7px 0;color:#a52d26;font-size:12px}.clv-power-keys,.clv-keys,.clv-science-keys,.clv-memory-keys{display:grid;gap:8px}.clv-power-keys{grid-template-columns:repeat(5,minmax(0,1fr));margin-bottom:10px}.clv-keys,.clv-memory-keys{grid-template-columns:repeat(4,minmax(0,1fr))}.clv-science-keys{grid-template-columns:repeat(5,minmax(0,1fr));margin:12px 0}.clv-calculator button{touch-action:manipulation}.clv-keys button,.clv-power-keys button,.clv-science-keys button,.clv-memory-keys button{min-width:0;min-height:48px;padding:10px 4px;border:1px solid var(--clv-line);border-radius:10px;box-shadow:0 2px 0 #142c4305;background:#fff;color:var(--clv-ink);font:600 22px/1 system-ui,sans-serif;cursor:pointer}.clv-power-keys button{font-size:19px;background:#f0f4f8}.clv-keys button:hover,.clv-power-keys button:hover,.clv-science-keys button:hover,.clv-memory-keys button:hover{background:#e9eef4}.clv-keys .clv-key-op{background:#fff0e7;color:#a93e17;border-color:#f3d5c7}.clv-keys .clv-key-equals{grid-column:span 2;background:#d95125;border-color:#d95125;color:white}.clv-keys .clv-key-equals:hover{background:#b23b17}.clv-science-toggle{display:flex;align-items:center;justify-content:space-between;width:100%;min-height:46px;border:1px solid var(--clv-line);border-radius:10px;margin-top:15px;padding:10px 12px;background:#f6f8fb;color:#304763;cursor:pointer;font:600 13px/1.4 system-ui,sans-serif;text-align:left}.clv-science{background:#f6f8fb;padding:14px;margin-top:8px;border-radius:10px}.clv-science[hidden],.clv-history[hidden]{display:none}.clv-science label{display:flex;gap:10px;align-items:center;justify-content:space-between;font-size:12px}.clv-science select{min-height:44px;max-width:58%;border:1px solid var(--clv-line);border-radius:7px;padding:7px;color:#304763;background:white;font:13px system-ui,sans-serif}.clv-science-keys button,.clv-memory-keys button{font-size:15px;min-height:44px}.clv-science>p{font-size:12px;margin:10px 0 0}.clv-tip{font-size:11px;color:#6a7e95;margin:16px 0 8px}.clv-help{font-size:12px;color:#50657e}.clv-help summary{cursor:pointer;min-height:36px;padding:7px 0;color:#a93e17}.clv-help p{line-height:1.7;margin:10px 0}.clv-history{margin-top:18px;padding-top:15px;border-top:1px solid var(--clv-line)}.clv-history h2{font:600 15px system-ui,sans-serif;margin:0 0 8px}.clv-history-item{display:block;width:100%;text-align:left;min-height:36px;border:0;border-bottom:1px solid #edf1f5;background:none;padding:8px 0;color:#50657e;font:13px/1.5 system-ui,sans-serif;overflow-wrap:anywhere;cursor:pointer}.clv-calculator :focus-visible{outline:3px solid #e29248;outline-offset:3px}.clv-expression[aria-invalid=true]{border-color:#b63328}@media(max-width:480px){.clv-calculator{padding:16px 12px;border-radius:14px}.clv-calculator h1{font-size:22px}.clv-keys,.clv-power-keys,.clv-science-keys,.clv-memory-keys{gap:6px}.clv-keys button{min-height:50px}.clv-science{padding:10px}.clv-science-keys button{font-size:13px}.clv-output{padding:10px 12px}.clv-output output{font-size:30px}}
/* Keep navigation and the equals key within easier reach on small screens. */
@media(max-width:767px){
.clv-home-native .header-nav-ins{display:flex;flex-direction:column;align-items:center;gap:0;padding:5px 0!important}
.clv-home-native .navbar-header{float:none;width:auto}
.clv-home-native .navbar-brand{float:none;display:flex;align-items:center;justify-content:center;height:48px;padding:4px 10px}
.clv-home-native .navbar-brand img{max-width:230px;max-height:40px;width:auto;height:auto}
.clv-home-native .header-nav .navbar-nav{display:flex;flex-wrap:wrap;justify-content:center;float:none;margin:0!important;gap:0}
.clv-home-native .header-nav .navbar-nav>li{float:none}
.clv-home-native .header-nav .navbar-nav>li>a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:9px 10px!important;font-size:13px;line-height:1.3}
.clv-home-native .navbar{margin-bottom:0}
.clv-home-native .clv-calculator{padding:14px 12px}
.clv-home-native .clv-calculator h1{font-size:22px;margin:9px 0 14px}
.clv-home-native .clv-expression{min-height:44px;padding:5px 0;font-size:22px}
.clv-home-native .clv-output{margin-top:10px;padding:9px 12px}
.clv-home-native .clv-output output{min-height:37px;font-size:28px;line-height:1.3}
.clv-home-native .clv-status{min-height:18px;margin:4px 0;font-size:12px}
.clv-home-native .clv-keys button,.clv-home-native .clv-power-keys button{min-height:44px;padding:8px 4px}
.clv-home-native .clv-science-toggle{margin-top:12px;min-height:44px}
}