:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#132f3c;background:#eff3f5;font-size:16px;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,a{font:inherit}button,a{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #e0a642;outline-offset:3px}header{background:#132f3c;color:white;padding:20px max(24px,calc((100vw - 1120px)/2));display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:max(20px,env(safe-area-inset-top))}.brand{display:flex;align-items:center;gap:12px}.brand img{border-radius:8px;object-fit:contain;background:white}.brand strong{display:block;font-size:21px;letter-spacing:-.5px}.brand span{font-size:11px;letter-spacing:2px;color:#b5c7ce}#offline{font-size:13px;color:#c8d9de;text-align:right}main{max-width:1120px;margin:auto;padding:0 24px}nav{display:flex;gap:24px;border-bottom:1px solid #cdd8dd;margin-bottom:32px}nav button{background:none;border:0;padding:20px 2px 16px;color:#546974;font-weight:600;border-bottom:3px solid transparent;font-size:15px}nav button.selected{border-color:#147b73;color:#132f3c}#count{font-size:12px;padding:2px 6px;border-radius:4px;background:#dce6e9;margin-left:4px}.page-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px}.eyebrow{font-size:11px;letter-spacing:1.7px;font-weight:750;color:#58707a;margin:0 0 8px}h1{font-size:30px;letter-spacing:-1px;font-weight:650;margin:0}h2{font-size:20px;margin:0 0 4px;letter-spacing:-.4px}p{line-height:1.55}.workspace{display:grid;grid-template-columns:1.08fr 1fr;gap:24px;align-items:start}.bearing-card,.result-card{background:white;border:1px solid #d6e0e5;border-radius:14px;padding:24px}.bearing-card{margin-bottom:16px}.card-heading{display:flex;gap:12px;align-items:center;margin-bottom:24px}.card-heading p{font-size:14px;color:#58707a;margin:0}.letter{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;color:white;font-weight:700;flex-shrink:0}.back-color{background:#147b73}.fore-color{background:#c47722}.bearing-entry{display:grid;grid-template-columns:55px 1fr 1fr 1fr 55px;gap:10px;align-items:end}.direction{display:flex;flex-direction:column;gap:5px}.direction button{height:37px;border:1px solid #cbd8df;border-radius:6px;background:white;color:#526973;font-size:15px;font-weight:700}.direction button[aria-pressed=true]{background:#132f3c;color:white;border-color:#132f3c}.number-field label{font-size:12px;color:#526973;display:block;margin-bottom:8px}.number-field input{width:100%;min-width:0;height:79px;text-align:center;font-size:26px;font-variant-numeric:tabular-nums;border:1px solid #b8c9d1;border-radius:8px;background:#fafcfd;color:#132f3c;padding:2px}.bearing-preview{font-size:14px;color:#58707a;margin-top:12px;min-height:20px;font-variant-numeric:tabular-nums}.actions{display:flex;gap:10px;margin-top:14px}.actions .primary{flex:1}.primary,.outline,.text-button{border-radius:8px;padding:14px 18px;font-weight:650;min-height:48px;border:1px solid transparent}.primary{background:#147b73;color:#fff}.primary:hover{background:#11675f}.outline{background:white;border-color:#cbd8df;color:#132f3c}.text-button{background:none;color:#147b73;font-size:14px;padding:8px}.note{font-size:13px;color:#5a707a;line-height:1.6}.error{color:#a02e28;font-size:14px;margin:8px 0;min-height:0}.result-card{border-top:4px solid #147b73}.result-heading{display:flex;justify-content:space-between;gap:10px;align-items:center}.result-heading .eyebrow{margin:0}#result-label{font-size:12px;color:#607681}#result-empty{padding:25px 0 0}#result-empty h2{font-size:28px;font-weight:550;line-height:1.25}#result-empty p{color:#5a707a;font-size:14px;max-width:300px}.result-caption{margin:25px 0 3px;color:#4c6571;font-size:14px}.big-angle{display:block;font-size:clamp(27px,4vw,43px);letter-spacing:-1.5px;line-height:1.25;font-weight:650;font-variant-numeric:tabular-nums;color:#116b64}.side-results{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:20px;border-top:1px solid #e1e8eb;padding-top:15px}.side-results span{display:block;color:#5a707a;font-size:12px;margin-bottom:5px}.side-results strong{font-size:20px;font-weight:550;font-variant-numeric:tabular-nums}#diagram{display:block;width:100%;max-width:330px;margin:18px auto 3px;font:13px system-ui}.legend{display:flex;gap:24px;justify-content:center;color:#4e6671;font-size:13px}.legend span{display:flex;align-items:center;gap:7px}.legend i{width:9px;height:9px;border-radius:50%}#save-controls{border-top:1px solid #e1e8eb;margin-top:20px;padding-top:18px}#save-controls 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max(24px,env(safe-area-inset-bottom));gap:12px}#toast{position:fixed;bottom:max(24px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);background:#132f3c;color:white;padding:14px 20px;border-radius:10px;box-shadow:0 4px 20px #0003;max-width:90vw;width:max-content;z-index:10;font-size:14px}[hidden]{display:none!important}@media(max-width:760px){header{padding:16px 18px;padding-top:max(16px,env(safe-area-inset-top))}main{padding:0 16px}nav{gap:20px;margin-bottom:24px}nav button{font-size:14px}.page-title{align-items:flex-start;flex-direction:column;gap:8px}h1{font-size:26px}.page-title .text-button{padding:0;min-height:32px}.workspace,.help-grid{grid-template-columns:1fr}.bearing-card,.result-card{padding:20px}.card-heading{margin-bottom:18px}.bearing-entry{grid-template-columns:47px 1fr 1fr 1fr 47px;gap:8px}.number-field input{font-size:24px}.result-card{margin-top:0}.big-angle{font-size:40px}.history-item{flex-direction:column}.brand 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.rotation-choice{min-width:0;text-align:left;border:1px solid #cbd8df;border-radius:9px;background:#fff;padding:12px;min-height:96px;color:#132f3c}.rotation-choice[aria-pressed=true]{border:2px solid #147b73;background:#eff9f7;padding:11px}#show-left[aria-pressed=true]{border-color:#7254a3;background:#f6f2fb}.rotation-choice small{display:block;font-size:12px;color:#5a707a;margin-top:7px}.rotation-choice strong{overflow-wrap:anywhere}.rotation-caption{font-size:14px;text-align:center;font-weight:600;line-height:1.6}#diagram{max-width:400px;font-size:14px}#diagram-hint{margin-bottom:0}@media(max-width:380px){.rotation-choice{padding:8px}.rotation-choice[aria-pressed=true]{padding:7px}.side-results strong{font-size:18px}}

.entry-settings{margin-bottom:22px}.entry-title{display:block;font-size:14px;font-weight:650;margin-bottom:10px}.entry-toggle{display:inline-flex;flex-wrap:wrap;gap:6px;padding:5px;border:1px solid #cbd8df;background:#e4ecef;border-radius:10px}.entry-toggle button{background:transparent;border:0;border-radius:7px;color:#405965;padding:12px 16px;font-weight:600;min-height:46px;font-size:14px}.entry-toggle button[aria-pressed=true]{background:#132f3c;color:white}.entry-settings .note{margin:10px 0 0}.compact-entry label{display:block;font-size:14px;color:#526973;margin-bottom:9px}.compact-value{width:100%;min-height:66px;padding:14px 16px;background:#fafcfd;border:1px solid #b8c9d1;border-radius:8px;font-size:28px;color:#132f3c;font-variant-numeric:tabular-nums;letter-spacing:1px}.compact-value::placeholder{color:#8a9da6}.bearing-preview{font-weight:600;color:#147b73}