@import url('https://fonts.googleapis.com/css2?family=DM+Mono:wght@400;500&family=Manrope:wght@400;500;600;700;800&display=swap');

:root{color-scheme:light;--ink:#173448;--muted:#647985;--line:#d5e0e5;--paper:#fff;--canvas:#edf3f5;--teal:#007e83;--aqua:#71dfcf;--orange:#dd6347;--navy:#102b3d;--mono:'DM Mono',ui-monospace,SFMono-Regular,Consolas,monospace;--sans:'Manrope',system-ui,-apple-system,'Segoe UI',sans-serif}
*{box-sizing:border-box}
html{background:var(--canvas);scroll-behavior:smooth}
body{margin:0;color:var(--ink);font-family:var(--sans);font-size:15px;-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
.topbar{height:66px;max-width:1120px;padding:0 28px;margin:auto;display:flex;align-items:center;justify-content:space-between}
.brand{text-decoration:none;color:var(--navy);font-weight:800;letter-spacing:.04em;display:flex;align-items:center;gap:10px;font-size:14px}
.brand-mark{width:31px;height:31px;display:grid;place-items:center;background:var(--navy);color:var(--aqua);font-size:18px;font-weight:800}
.brand-light{font-weight:500;color:var(--muted)}
.sample-label{font:500 10px var(--mono);letter-spacing:.08em;color:#627984;display:flex;align-items:center;gap:8px}
.sample-dot{width:7px;height:7px;background:#cf8c36;border-radius:50%}
main{width:min(1064px,calc(100% - 56px));margin:14px auto 0}
.trip-summary{position:relative;overflow:hidden;min-height:160px;background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr minmax(280px,.74fr);align-items:center;padding:24px 33px;margin-bottom:20px}
.summary-time{display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-items:baseline}
.summary-kicker{grid-column:1/-1;color:#94b8c2;font:500 10px var(--mono);letter-spacing:.11em;margin-bottom:9px}
.summary-time strong{font:400 clamp(38px,6vw,57px)/1 var(--mono);letter-spacing:-.07em;color:#fff}
.summary-caption{font-size:12px;color:#b4c7cf}
.summary-stats{border-left:1px solid #365362;padding-left:31px;display:grid;gap:14px;max-width:315px;margin-left:auto;width:100%}
.summary-stat{display:flex;align-items:baseline;justify-content:space-between;gap:16px}
.summary-stat span{font-size:12px;color:#b4c7cf}.summary-stat strong{font:500 18px var(--mono);white-space:nowrap}
.summary-stat small{font-size:11px;line-height:1.35;color:#b4c7cf}
.summary-stat.reserve-stat{grid-column:1/-1}
.summary-rule{position:absolute;bottom:0;left:0;width:100%;height:3px;background:#294555}.summary-rule span{display:block;background:var(--aqua);height:100%;width:34%}
.planner{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:18px;align-items:start}
.panel{background:var(--paper);border:1px solid var(--line);padding:23px 25px}
.panel>summary.section-heading{list-style:none;display:flex;align-items:flex-start;cursor:pointer}.panel>summary.section-heading::-webkit-details-marker{display:none}.panel>summary.section-heading::after{content:'＋';margin-left:auto;padding:1px 0 0 10px;color:var(--teal);font:500 16px var(--mono)}.panel[open]>summary.section-heading::after{content:'−'}.panel:not([open])>summary.section-heading{margin-bottom:0}.panel-content{display:block}
.aircraft{grid-column:1;grid-row:1}.route{grid-column:1;grid-row:2}.flight-side{grid-column:2;grid-row:1/3;display:grid;gap:14px;position:sticky;top:14px}
.section-heading{display:flex;gap:13px;align-items:flex-start;margin-bottom:20px}.section-index{font:500 11px var(--mono);color:var(--teal);padding-top:4px;letter-spacing:.04em;flex:none}
h1,h2,p{margin:0}.section-heading h1,.section-heading h2,.side-heading h2{font-size:19px;line-height:1.25;letter-spacing:-.035em;font-weight:800;color:var(--navy)}
.section-heading p,.side-deck{font-size:12px;line-height:1.5;color:var(--muted);margin-top:4px}
.input-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:14px;row-gap:15px}
.field{min-width:0;display:grid;gap:6px}.field label{font-size:11px;color:#5d737e;font-weight:700}
.input-shell{height:45px;display:flex;align-items:center;border-bottom:1px solid #afc0c8;background:#f7fafb;padding:0 11px;gap:9px;transition:border-color .15s,background .15s}
.input-shell:focus-within{border-color:var(--teal);background:#f1f9f8}.input-shell input{width:100%;min-width:0;border:0;outline:0;background:transparent;font:500 17px var(--mono);font-variant-numeric:tabular-nums;padding:0}
.input-shell>span{font:400 11px var(--mono);color:#758892;white-space:nowrap}
input[type=number]{appearance:textfield;-moz-appearance:textfield}input::-webkit-inner-spin-button,input::-webkit-outer-spin-button{-webkit-appearance:none;margin:0}
.fuel-start-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end;margin:0 0 15px}
.engine-start-button,.ack-hour-button{min-height:46px;padding:0 16px;border:1px solid var(--teal);background:#e8f5f3;color:#075c62;font-size:14px;font-weight:800;cursor:pointer;touch-action:manipulation}
.engine-start-button:hover,.ack-hour-button:hover{background:#d8eeeb}
.engine-monitor{margin-top:16px;padding:14px 15px;border-left:3px solid var(--teal);background:#f1f6f7;display:grid;gap:10px}
.engine-readouts{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.engine-readouts>div{display:grid;gap:4px;min-width:0}
.engine-readouts span{font-size:12px;color:#58717c}
.engine-readouts strong{font:500 18px var(--mono);color:var(--navy);font-variant-numeric:tabular-nums}
.engine-info,.burn-info,.hourly-reminder p{font-size:13px;line-height:1.45;color:#4f6873}
.burn-info{padding-top:9px;border-top:1px solid #d7e2e6;color:#075c62;font-weight:700}
.hourly-reminder{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hourly-reminder p{flex:1}
.ack-hour-button{min-height:42px;font-size:13px;white-space:nowrap}
.engine-monitor.reminder-due{border-left-color:var(--orange);background:#fff3ee}
.engine-monitor.reminder-due .hourly-reminder p{color:#973f2a;font-weight:800}
.engine-start-button[aria-pressed=true]{border-color:#8a9da5;background:#e5ecef;color:#34515d}
.field-wide{grid-column:1/-1}
.launch-estimate{margin:0;background:#f7fafb;border:1px solid #dfe8eb}.launch-estimate>summary{list-style:none;padding:14px 16px;cursor:pointer;font-size:14px;font-weight:800;color:var(--navy)}.launch-estimate>summary::-webkit-details-marker{display:none}.launch-estimate>summary::after{content:'＋';float:right;color:var(--teal);font:500 16px var(--mono)}.launch-estimate[open]>summary::after{content:'−'}.launch-estimate-body{padding:0 16px 15px}.launch-estimate-body>p{margin:0 0 11px;color:var(--muted);font-size:12px;line-height:1.45}.launch-fields{display:grid;grid-template-columns:1fr;gap:12px}
.engine-time-setting{display:grid;gap:6px}.engine-time-fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}.engine-time-setting input[type=time]{width:100%;height:47px;padding:0 9px;background:#fff;border:1px solid #cbd9df;font:500 15px var(--mono);font-variant-numeric:tabular-nums}.engine-time-setting input:focus{outline:2px solid #8ccbc5;border-color:var(--teal)}.engine-time-setting>span{font-size:12px;line-height:1.4;color:var(--muted)}
.route{padding-bottom:19px}.route .section-heading{margin-bottom:15px}
.route-columns,.leg-row{display:grid;grid-template-columns:28px minmax(80px,.72fr) minmax(95px,1fr) 34px;gap:8px;align-items:center}
.route-columns{padding:0 0 7px 0;color:#82939b;font:500 9px var(--mono);letter-spacing:.055em}.route-columns span:nth-child(2),.route-columns span:nth-child(3){text-align:left}
.legs{display:grid;gap:8px}.leg-row{border-top:1px solid #e4ebee;padding-top:8px}.leg-number{font:400 11px var(--mono);color:#78909a}.leg-input{height:42px;width:100%;min-width:0;border:1px solid #dce5e9;border-radius:0;background:#f8fafb;padding:0 9px;outline:0;font:500 15px var(--mono);font-variant-numeric:tabular-nums}.leg-input:focus{border-color:var(--teal);background:#f1f9f8}.leg-unit{font-size:9px;color:#788d97;margin-left:4px}.leg-cell{display:flex;align-items:center;min-width:0}.remove-leg{height:40px;width:34px;border:0;background:transparent;color:#7d9099;font-size:20px;cursor:pointer}.remove-leg:hover{color:var(--orange)}
.leg-result{grid-column:2/4;color:#6a808a;font-size:10px;min-height:13px;margin-top:-3px}.leg-result strong{font:500 10px var(--mono);color:var(--teal);margin-right:8px}
.add-leg{height:42px;margin-top:13px;width:100%;border:1px dashed #b8c9d0;background:#f8fafb;color:#31636b;text-align:left;padding:0 12px;font-size:12px;font-weight:700;cursor:pointer}.add-leg span{font-size:18px;vertical-align:-1px;margin-right:8px}.add-leg:hover{background:#f0f7f6;border-color:var(--teal)}
.route-totals{margin-top:16px;padding-top:12px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:7px 12px;font-size:11px;color:var(--muted)}.route-totals strong{font:500 12px var(--mono);color:var(--ink);text-align:right}
.pnr-panel{background:#dcefee;border-top:3px solid var(--teal);padding:21px 23px 18px}.side-heading{display:flex;align-items:flex-start;gap:10px}.side-heading .section-index{color:#167b78}.side-heading h2{font-size:16px}.side-deck{margin:5px 0 15px 24px}
.pnr-primary{display:flex;align-items:baseline;gap:11px;padding:14px 0 12px;border-top:1px solid #c5dfdd;border-bottom:1px solid #c5dfdd}.pnr-primary strong{font:400 36px/1 var(--mono);letter-spacing:-.07em;color:#075c62}.pnr-primary span{font-size:11px;color:#55777b}
.pnr-secondary{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding-top:13px}.pnr-secondary div{display:grid;gap:4px}.pnr-secondary span{font-size:10px;color:#607a7e;line-height:1.35}.pnr-secondary strong{font:500 14px var(--mono);color:var(--navy)}
.method-note{margin-top:13px;font-size:10px;line-height:1.5;color:#61777e}
.wind-panel{padding:19px 22px 17px;background:#fff;border:1px solid var(--line)}.wind-panel .side-heading{list-style:none;margin-bottom:13px;cursor:pointer}.wind-panel .side-heading::-webkit-details-marker{display:none}.wind-panel .side-heading::after{content:'＋';margin-left:auto;color:var(--teal);font:500 16px var(--mono)}.wind-panel[open] .side-heading::after{content:'−'}.wind-inputs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:0 0 10px}.wind-inputs .field:last-child{grid-column:1/-1}.wind-instrument{margin-top:8px}
.wind-instrument{display:grid;grid-template-columns:156px 1fr;gap:13px;align-items:center;margin-top:8px}.wind-dial{width:100%;overflow:visible}.wind-dial text{font:500 9px var(--mono);fill:#657c86}.wind-result{display:grid;gap:4px;padding:9px 0;border-bottom:1px solid #e6edef}.wind-result:last-child{border:0}.wind-result>span{font:500 9px var(--mono);letter-spacing:.05em;color:#788b94}.wind-result strong{font:500 22px var(--mono);line-height:1;color:var(--navy)}.wind-result small{font-size:10px;color:#70828a}.cross-result strong{color:var(--orange)}
.converter{border-top:1px solid #cbd8dd;background:#f6f9fa}.converter summary{list-style:none;padding:13px 16px;cursor:pointer;font-size:11px;font-weight:700;color:#40616d}.converter summary::-webkit-details-marker{display:none}.converter summary:after{content:'＋';float:right;font:500 16px var(--mono)}.converter[open] summary:after{content:'−'}.converter-content{padding:2px 16px 16px;display:grid;grid-template-columns:1fr 1fr;gap:10px}.converter-content .field label{font-size:10px}.converter-content input,.converter-content select{height:39px;min-width:0;width:100%;border:1px solid #d5e0e5;border-radius:0;background:white;padding:0 8px;font-size:13px;outline:0}.converter-pair{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:10px}.converter-output{grid-column:1/-1;color:var(--teal);font:500 19px var(--mono);padding-top:3px}
.disclaimer{margin:17px auto 28px;max-width:780px;text-align:center;color:#778991;font-size:10px;line-height:1.55}
.trip-summary{grid-template-rows:auto auto;row-gap:16px}
.summary-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:13px 20px}
.summary-stat{display:grid;gap:5px;justify-items:start}
.summary-stat span{font-size:12px;line-height:1.35}
.summary-stat strong{font-size:16px}
.trip-summary.over-plan .summary-time strong{color:#ffad91}
.trip-summary.over-plan .summary-caption{color:#ffd2c5}
.field label{font-size:13px}
.section-heading p,.side-deck{font-size:13px}
.leg-result{font-size:13px;color:#315e65;line-height:1.4}
.leg-result strong{font-size:12px}
.route-columns{font-size:10px}
.method-note{font-size:12px}
.wind-result>span{font-size:10px}
.wind-result small{font-size:12px}
.pnr-secondary-panel{padding:0;overflow:hidden}
.pnr-secondary-panel>summary{list-style:none;padding:15px 19px;cursor:pointer;color:var(--navy);font-size:14px;font-weight:800}
.pnr-secondary-panel>summary::-webkit-details-marker{display:none}
.pnr-secondary-panel>summary::after{content:'＋';float:right;color:var(--teal);font:500 16px var(--mono)}
.pnr-secondary-panel[open]>summary::after{content:'−'}
.pnr-body{padding:0 19px 17px}
.pnr-body .side-deck{margin:0 0 12px}
.pnr-body .method-note{margin-top:11px}
.converter{margin:0;border:1px solid var(--line);background:var(--paper)}
.converter summary{padding:15px 18px;font-size:14px;color:var(--navy)}
.converter-content{padding:0 18px 17px;gap:12px}
.converter-content .field label{font-size:13px}
.converter-content input,.converter-content select{height:46px;font-size:16px}
.converter-output{padding:5px 0 0;font-size:20px}
@media(max-width:760px){main{width:min(100% - 32px,560px);margin-top:5px}.topbar{height:54px;padding:0 16px}.planner{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px}.panel{padding:19px}.flight-side{gap:12px}.trip-summary{min-height:144px;padding:21px 23px;grid-template-columns:1fr minmax(205px,.72fr)}.summary-stats{padding-left:20px}.wind-instrument{grid-template-columns:minmax(115px, .9fr) minmax(95px,1fr);gap:7px}.wind-panel{padding:17px}.pnr-panel{padding:19px}}
@media(max-width:600px){body{font-size:14px}.topbar{height:52px}.brand{font-size:12px}.brand-mark{width:28px;height:28px}.sample-label{font-size:9px}main{width:100%;margin:0 auto}.trip-summary{margin:0 0 10px;min-height:0;padding:20px 18px 19px;grid-template-columns:1fr;gap:15px}.summary-time{grid-template-columns:auto 1fr;column-gap:12px}.summary-kicker{font-size:10px;margin-bottom:7px}.summary-time strong{font-size:44px}.summary-caption{font-size:12px}.summary-stats{border:0;border-top:1px solid #365362;padding:12px 0 0;margin:0;max-width:none;grid-template-columns:1fr 1fr;gap:12px}.summary-stat{display:grid;gap:5px}.summary-stat span{font-size:12px}.summary-stat small{font-size:11px}.summary-stat strong{font-size:15px}.summary-formula{font-size:12px;margin-top:-6px}.planner{display:flex;flex-direction:column;gap:10px}.aircraft{order:0}.route{order:1}.flight-side{order:2;position:static;display:grid;gap:10px}.panel{border-left:0;border-right:0;padding:19px 18px}.section-heading{gap:11px;margin-bottom:16px}.section-heading h1,.section-heading h2{font-size:18px}.section-heading p{font-size:13px}.input-grid{column-gap:12px;row-gap:13px}.field label{font-size:13px;line-height:1.3}.input-shell{height:47px;padding:0 10px}.input-shell input{font-size:16px}.fuel-start-row{grid-template-columns:minmax(0,1fr) auto;gap:9px}.engine-start-button{padding:0 11px;font-size:13px}.launch-estimate>summary{padding:14px 16px}.launch-estimate-body{padding:0 13px 14px}.launch-fields{gap:9px}.engine-monitor{margin-top:13px;padding:13px 12px}.engine-time-setting input{font-size:16px}.engine-readouts{gap:8px}.engine-readouts strong{font-size:16px}.engine-readouts span,.engine-info,.burn-info,.hourly-reminder p{font-size:12px}.hourly-reminder{align-items:stretch;flex-direction:column}.ack-hour-button{width:100%;font-size:14px}.route{padding-bottom:17px}.route-columns,.leg-row{grid-template-columns:26px minmax(75px,.78fr) minmax(91px,1fr) 34px;gap:6px}.route-columns{font-size:10px}.leg-row{padding-top:8px}.leg-input{height:44px;font-size:16px;padding:0 7px}.remove-leg{height:44px;width:34px}.leg-result{font-size:13px}.add-leg{height:46px;margin-top:12px;font-size:14px}.route-totals{font-size:13px}.route-totals strong{font-size:13px}.pnr-secondary-panel>summary{padding:15px 18px}.pnr-body{padding:0 18px 17px}.wind-panel{padding:18px}.wind-inputs{gap:10px}.wind-inputs .field:last-child{grid-column:auto}.wind-instrument{grid-template-columns:minmax(130px,.92fr) minmax(115px,1fr);gap:12px;max-width:410px;margin:7px auto 0}.wind-result{padding:10px 0}.wind-result strong{font-size:22px}.wind-panel .method-note{margin-top:7px}.disclaimer{margin:13px 20px 23px;font-size:12px}}
@media(max-width:360px){.route-columns,.leg-row{grid-template-columns:21px minmax(66px,.78fr) minmax(82px,1fr) 30px;gap:5px}.leg-input{padding:0 5px;font-size:14px}.wind-instrument{grid-template-columns:minmax(116px,.9fr) minmax(100px,1fr);gap:7px}.summary-time strong{font-size:39px}}
.return-deadline{grid-column:1/-1;display:grid;gap:4px;padding:11px 13px;border-left:3px solid var(--aqua);background:#16384b;margin-top:2px}.return-deadline>span{font:500 9px var(--mono);letter-spacing:.08em;color:#9cbac4}.return-deadline>strong{font:500 23px var(--mono);color:#fff;font-variant-numeric:tabular-nums}.return-deadline>small{font-size:11px;line-height:1.4;color:#b4c7cf}.return-deadline.deadline-passed{border-left-color:#ffad91;background:#422f32}.return-deadline.deadline-passed>strong{color:#ffad91}
.takeoff-panel{padding-top:10px;border-top:1px solid #d7e2e6}.takeoff-heading{display:flex;align-items:center;justify-content:space-between;gap:10px}.takeoff-heading>strong{font-size:13px;color:var(--navy)}.takeoff-button{min-height:38px;padding:0 12px;border:1px solid var(--teal);background:#e8f5f3;color:#075c62;font-size:12px;font-weight:800;cursor:pointer;touch-action:manipulation}.takeoff-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}.takeoff-fields[hidden]{display:none}.takeoff-fields input[type=time]{width:100%;height:45px;padding:0 9px;background:#fff;border:1px solid #cbd9df;font:500 15px var(--mono);font-variant-numeric:tabular-nums}.takeoff-fields>p{grid-column:1/-1;font-size:11px;line-height:1.4;color:var(--muted)}
@media(max-width:600px){.return-deadline{padding:10px 11px}.return-deadline>strong{font-size:22px}.return-deadline>small{font-size:11px}.takeoff-fields{gap:8px}.takeoff-button{min-height:42px}}
.top-actions{display:flex;align-items:center;gap:13px}.install-button,.reset-button{min-height:38px;padding:0 12px;border:1px solid #b8c9d0;background:#fff;color:#075c62;font-size:12px;font-weight:800;cursor:pointer;touch-action:manipulation}.install-button:hover,.reset-button:hover{background:#e8f5f3}.reset-button{border-color:#d7b9ae;color:#884a39}.reset-button:hover{background:#fff2ed}.install-button[hidden],.sound-off-button[hidden]{display:none}
.sound-dock{width:min(1064px,calc(100% - 56px));min-height:72px;margin:0 auto 12px;padding:11px 16px;display:flex;align-items:center;justify-content:space-between;gap:16px;border:1px solid #b8d9d5;border-left:4px solid var(--teal);background:#e2f2f0}.sound-copy{display:grid;gap:2px;min-width:0}.sound-copy>strong{font-size:13px;color:#12454c}.sound-state{font-size:12px;line-height:1.35;color:#315e65;font-weight:700}.sound-copy>small{font-size:11px;line-height:1.35;color:#58747b}.sound-actions{display:flex;gap:8px;flex:none}.sound-button,.sound-off-button{min-height:48px;padding:0 16px;border:1px solid #075c62;background:#075c62;color:white;font-size:13px;font-weight:800;cursor:pointer;touch-action:manipulation}.sound-button:active,.sound-off-button:active,.install-button:active{transform:translateY(1px)}.sound-off-button{border-color:#bac9cf;background:#fff;color:#536c77}
.install-dialog{width:min(420px,calc(100% - 32px));padding:0;border:1px solid var(--line);background:var(--paper);color:var(--ink);box-shadow:0 18px 60px #102b3d55}.install-dialog::backdrop{background:#102b3d88}.install-dialog-content{display:grid;gap:14px;padding:22px}.install-dialog h2{font-size:19px;color:var(--navy)}.install-dialog p{font-size:15px;line-height:1.55;color:#4f6873}.install-dialog button{min-height:46px;border:1px solid var(--teal);background:#e8f5f3;color:#075c62;font-weight:800;cursor:pointer}
@media(max-width:600px){.top-actions{gap:6px}.sample-label{display:none}.install-button,.reset-button{min-height:40px;padding:0 8px;font-size:10px}.sound-dock{width:100%;min-height:0;margin:0;padding:12px 16px;gap:12px;border-width:1px 0 1px 4px}.sound-copy{flex:1}.sound-copy>strong{font-size:12px}.sound-state,.sound-copy>small{font-size:11px}.sound-actions{flex-direction:column;gap:6px}.sound-button,.sound-off-button{min-height:46px;padding:0 11px;font-size:12px;white-space:nowrap}}