/* Staging-only Aviator's Time Calculator. All selectors are feature-scoped. */
#timeCalculatorPanel{max-width:100%;background:radial-gradient(circle at 90% 0,rgba(45,212,145,.10),transparent 35%),#07111d;color:#e8f0f7;min-height:100vh;color-scheme:dark}
#timeCalculatorPanel *{box-sizing:border-box}
.atc-shell{max-width:1440px;margin:0 auto;padding:18px 0 40px;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
.atc-header{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;margin-bottom:22px;padding:20px 22px;border:1px solid rgba(118,150,177,.22);border-radius:16px;background:linear-gradient(135deg,rgba(19,38,55,.96),rgba(10,23,36,.96));box-shadow:0 18px 44px rgba(0,0,0,.18)}
.atc-kicker{color:#51e3a4;font-size:12px;font-weight:800;letter-spacing:.14em}
.atc-header h1{margin:5px 0 2px;font-size:clamp(26px,3vw,40px);line-height:1;color:#fff;letter-spacing:.03em}
.atc-header p,.atc-section-heading p{margin:6px 0 0;color:#9db0c1;font-size:14px}
.atc-utc-badge,.atc-method,.atc-rollover{min-height:36px;display:inline-flex;align-items:center;padding:0 13px;border-radius:999px;border:1px solid rgba(81,227,164,.5);background:rgba(81,227,164,.11);color:#81f3bd;font-size:12px;font-weight:800;letter-spacing:.08em;white-space:nowrap}
.atc-tool-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;margin-bottom:24px;padding:7px;border:1px solid rgba(118,150,177,.2);border-radius:14px;background:#0b1724}
#timeCalculatorPanel button{font:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
#timeCalculatorPanel .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}
.atc-tool,.atc-primary,.atc-secondary,.atc-danger-quiet{min-height:46px;border-radius:10px;font-weight:800;letter-spacing:.03em}
.atc-tool{border:1px solid transparent;background:transparent;color:#9cb0c2;padding:8px 10px;font-size:12px}
.atc-tool:hover{color:#fff;background:rgba(255,255,255,.05)}
.atc-tool.active{color:#07150f;background:#51e3a4;border-color:#76efbb;box-shadow:0 6px 18px rgba(49,211,143,.18)}
.atc-pane{animation:atc-in .16s ease-out}
@keyframes atc-in{from{opacity:.3;transform:translateY(4px)}to{opacity:1;transform:none}}
.atc-section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin:0 2px 12px}
.atc-section-heading h2,.atc-table-title h3,.atc-totals-title h3,.atc-card h3{margin:0;color:#f5f8fb;font-size:16px;letter-spacing:.06em}
.atc-card,.atc-table-card,.atc-totals{border:1px solid rgba(118,150,177,.22);border-radius:15px;background:rgba(13,29,44,.95);box-shadow:0 12px 34px rgba(0,0,0,.16)}
.atc-card{padding:18px;margin-bottom:14px}
.atc-field-grid{display:grid;gap:12px}
.atc-field-grid.atc-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.atc-field-grid.atc-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.atc-route-grid{grid-template-columns:minmax(170px,.75fr) minmax(180px,1fr) minmax(180px,1fr);margin-bottom:12px}
.atc-field{position:relative;display:flex;flex-direction:column;gap:6px;min-width:0;color:#a9bbca;font-size:11px;font-weight:800;letter-spacing:.08em}
.atc-field input,.atc-math-row input,.atc-math-row select{width:100%;min-height:48px;border:1px solid #31465a;border-radius:9px;background:#07131f;color:#fff;padding:9px 12px;font-size:18px;font-weight:750;outline:none;font-variant-numeric:tabular-nums}
.atc-field input::placeholder,.atc-math-row input::placeholder{color:#5f7486}
.atc-field input:focus,.atc-math-row input:focus,.atc-math-row select:focus{border-color:#51e3a4;box-shadow:0 0 0 3px rgba(81,227,164,.12)}
.atc-airport-field input{text-transform:uppercase}
.atc-suggestions{display:none;position:absolute;left:0;right:0;top:72px;z-index:40;border:1px solid #405b70;border-radius:10px;background:#0c1b29;box-shadow:0 16px 32px rgba(0,0,0,.38);overflow:hidden}
.atc-suggestions.open{display:block}
.atc-suggestions button{display:block;width:100%;min-height:46px;border:0;border-bottom:1px solid rgba(118,150,177,.14);background:transparent;color:#e8f0f7;text-align:left;padding:8px 11px;font-size:12px}
.atc-suggestions button:last-child{border-bottom:0}
.atc-suggestions button strong{color:#68e9ad;margin-right:8px}
.atc-airport-status{min-height:22px;margin:-3px 0 10px;color:#8298ab;font-size:12px}
.atc-actions{display:flex;align-items:center;flex-wrap:wrap;gap:9px;margin-top:16px}
.atc-primary{border:1px solid #78efbc;background:#51e3a4;color:#06150f;padding:10px 18px}
.atc-primary:hover{background:#72efb8}
.atc-secondary{border:1px solid #41586b;background:#142637;color:#dce7ef;padding:10px 16px}
.atc-secondary:hover{border-color:#617b90;background:#1a3044}
.atc-danger-quiet{border:1px solid rgba(250,112,112,.38);background:rgba(114,29,38,.15);color:#ffaaaa;padding:10px 16px}
.atc-result-grid{display:grid;gap:10px}
.atc-result-grid.atc-four{grid-template-columns:repeat(4,minmax(0,1fr))}
.atc-result{min-height:116px;display:flex;flex-direction:column;justify-content:center;border:1px solid rgba(118,150,177,.22);border-radius:13px;background:linear-gradient(155deg,#11273a,#0b1927);padding:14px 16px}
.atc-result span,.atc-hero-result span{color:#98abba;font-size:11px;font-weight:800;letter-spacing:.09em}
.atc-result strong,.atc-hero-result strong{margin-top:6px;color:#72efb8;font-size:clamp(26px,3vw,38px);line-height:1;font-variant-numeric:tabular-nums}
.atc-result small,.atc-hero-result small{min-height:16px;margin-top:7px;color:#758b9d;font-size:11px}
.atc-rollover{margin-top:10px}
.atc-rollover[hidden]{display:none!important}
.atc-message{display:none;margin:0 0 14px;padding:11px 14px;border-radius:10px;border:1px solid rgba(255,119,119,.45);background:rgba(107,24,34,.28);color:#ffc0c0;font-size:13px;font-weight:700}
.atc-message.show{display:block}
.atc-message.success{border-color:rgba(81,227,164,.4);background:rgba(31,95,67,.24);color:#9af4ca}
.atc-table-card{margin:15px 0;overflow:hidden;contain:inline-size}
.atc-table-title,.atc-totals-title{min-height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 15px;border-bottom:1px solid rgba(118,150,177,.18)}
.atc-table-title span{color:#8da2b4;font-size:11px;font-weight:600;letter-spacing:.08em}
.atc-table-scroll{max-width:100%;overflow-x:auto;contain:layout paint;-webkit-overflow-scrolling:touch}
.atc-sector-table{width:100%;min-width:1240px;border-collapse:separate;border-spacing:0;font-size:12px;font-variant-numeric:tabular-nums}
.atc-sector-table th{padding:9px 8px;background:#091520;color:#a3b3c1;text-align:center;font-size:11px;font-weight:600;letter-spacing:.05em;white-space:nowrap}
.atc-sector-table .atc-group-head th{height:40px;border-bottom:1px solid rgba(118,150,177,.24);font-size:11px;letter-spacing:.07em}
.atc-group-head small{margin-left:5px;color:#90a4b5;font-size:11px;font-weight:500}
.atc-group-sector,.atc-group-actions{background:#0b1926!important}.atc-group-aircraft{background:rgba(48,96,132,.24)!important;color:#b9d4e8!important}.atc-group-totals{background:rgba(45,143,102,.20)!important;color:#8de7bd!important}.atc-group-breakdown{background:rgba(92,104,168,.19)!important;color:#c5cbf4!important}.atc-group-factored{background:rgba(102,81,166,.22)!important;color:#c9bcfa!important}
.atc-label-head .atc-col-aircraft{background:rgba(48,96,132,.14)}.atc-label-head .atc-col-total{background:rgba(45,143,102,.13);color:#8de7bd}.atc-label-head .atc-col-day{background:rgba(152,125,49,.13);color:#e4d38f}.atc-label-head .atc-col-night{background:rgba(74,89,157,.18);color:#b5c2ff}
.atc-sector-table td{padding:11px 8px;border-top:1px solid rgba(118,150,177,.13);color:#dce7ef;text-align:center;white-space:nowrap}
.atc-sector-table tbody th.atc-sector-identity{padding:11px 8px;border-top:1px solid rgba(118,150,177,.13);background:#0d1d2b;color:#dce7ef;font-size:12px;font-weight:400;letter-spacing:normal;white-space:nowrap}
.atc-sector-table tbody tr:hover td,.atc-sector-table tbody tr:hover th.atc-sector-identity{filter:brightness(1.07)}
.atc-sector-identity{position:sticky;left:0;z-index:2;min-width:124px;background:#0d1d2b;text-align:left!important;box-shadow:7px 0 12px rgba(2,8,14,.18)}
.atc-sector-identity span{display:block;color:#edf5fa;font-size:12px;font-weight:650;letter-spacing:.03em}.atc-sector-identity small{display:block;margin-top:4px;color:#90a4b5;font-size:11px;font-weight:500;letter-spacing:.03em}
.atc-group-sector{position:sticky;left:0;z-index:4;min-width:124px;box-shadow:7px 0 12px rgba(2,8,14,.18)}
.atc-sector-table td.atc-col-aircraft{background:rgba(48,96,132,.055)}.atc-sector-table td.atc-col-total{background:rgba(45,143,102,.07);color:#79e7b6;font-weight:650}.atc-sector-table td.atc-col-day{background:rgba(152,125,49,.055);color:#e5d69a}.atc-sector-table td.atc-col-night{background:rgba(74,89,157,.085);color:#b5c2ff}.atc-sector-table td.atc-col-factored{background:rgba(102,81,166,.09);color:#c9bcfa;font-weight:650}
.atc-sector-identity+.atc-col-aircraft,.atc-col-aircraft+.atc-col-total,.atc-col-total+.atc-col-day,.atc-col-night+.atc-col-factored,.atc-col-factored+.atc-row-actions{border-left:1px solid rgba(142,166,188,.30)}
.atc-row-actions{display:flex;gap:5px;background:#0b1926}.atc-row-actions button{min-height:44px;min-width:50px;border:1px solid #3c5366;border-radius:8px;background:#122537;color:#d7e2eb;font-size:11px;font-weight:600}
.atc-empty{padding:24px;color:#7f94a6;text-align:center;font-size:13px}
.atc-swipe-hint{display:none;color:#72efb8!important}
.atc-totals-title .atc-copy{min-height:44px}
.atc-totals-layout{display:grid;grid-template-columns:minmax(230px,.72fr) minmax(410px,1.28fr);gap:12px;padding:14px}
.atc-total-summary,.atc-breakdown-panel{border:1px solid rgba(118,150,177,.22);border-radius:13px;background:#0a1926;overflow:hidden}
.atc-total-summary h4,.atc-breakdown-panel h4{margin:0;padding:11px 13px;border-bottom:1px solid rgba(118,150,177,.18);color:#aebdca;font-size:11px;font-weight:600;letter-spacing:.09em}
.atc-summary-stack{display:grid;grid-template-columns:1fr}
.atc-summary-value{min-height:104px;display:flex;flex-direction:column;justify-content:center;padding:14px 16px;background:linear-gradient(145deg,rgba(39,111,80,.17),rgba(7,23,34,.45))}.atc-summary-value+.atc-summary-value{border-top:1px solid rgba(118,150,177,.18)}
.atc-summary-value span,.atc-factored-strip span{color:#9eb1bf;font-size:11px;font-weight:600;letter-spacing:.07em}.atc-summary-value strong{margin-top:5px;color:#72efb8;font-size:34px;line-height:1;font-variant-numeric:tabular-nums}.atc-summary-value small{margin-top:7px;color:#90a4b5;font-size:11px;font-weight:500}
.atc-breakdown-matrix{width:100%;border-collapse:collapse;table-layout:fixed;font-variant-numeric:tabular-nums}
.atc-breakdown-matrix th,.atc-breakdown-matrix td{height:70px;border-top:1px solid rgba(118,150,177,.14);border-left:1px solid rgba(118,150,177,.14);text-align:center}
.atc-breakdown-matrix tr>*:first-child{width:30%;border-left:0}.atc-breakdown-matrix thead th{height:42px;border-top:0;color:#9fb1bf;font-size:11px;font-weight:600;letter-spacing:.08em}.atc-breakdown-matrix tbody th{text-align:left;padding-left:14px;color:#a9bac7;font-size:11px;font-weight:600;letter-spacing:.06em}
.atc-breakdown-matrix td strong{font-size:27px;font-weight:650}.atc-day-label{background:rgba(152,125,49,.12);color:#e4d38f!important}.atc-night-label{background:rgba(74,89,157,.17);color:#bcc7ff!important}.atc-day-value{background:rgba(152,125,49,.055);color:#e5d69a}.atc-night-value{background:rgba(74,89,157,.085);color:#b5c2ff}
.atc-factored-strip{grid-column:1/-1;min-height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:13px 16px;border:1px solid rgba(128,106,207,.38);border-radius:13px;background:linear-gradient(120deg,rgba(83,66,145,.18),#0a1926)}.atc-factored-strip div{display:flex;flex-direction:column;gap:5px}.atc-factored-strip small{color:#90a4b5;font-size:11px;font-weight:500;letter-spacing:.03em}.atc-factored-strip strong{color:#c0b3f7;font-size:30px;font-weight:650;font-variant-numeric:tabular-nums}
.atc-compact-card{max-width:820px}
.atc-hero-result{min-height:130px;display:flex;flex-direction:column;justify-content:center;align-items:center;margin-top:16px;border:1px solid rgba(81,227,164,.3);border-radius:13px;background:#081824;text-align:center}
.atc-math-rows{display:flex;flex-direction:column;gap:9px}
.atc-math-row{display:grid;grid-template-columns:128px minmax(140px,1fr) 48px;gap:8px}
.atc-math-row select{padding:8px 28px 8px 11px;font-size:13px;font-weight:500;letter-spacing:.03em}.atc-math-remove{min-height:48px;border:1px solid rgba(250,112,112,.35);border-radius:9px;background:rgba(114,29,38,.18);color:#ffaaaa;font-size:18px}
.atc-decimal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;max-width:1000px}
.atc-decimal-grid .atc-card h3{margin-bottom:14px}.atc-full{width:100%;margin-top:14px}
@media(max-width:900px){.atc-tool-nav{grid-template-columns:repeat(3,minmax(0,1fr))}.atc-field-grid.atc-four,.atc-result-grid.atc-four{grid-template-columns:repeat(2,minmax(0,1fr))}.atc-route-grid{grid-template-columns:1fr 1fr}.atc-route-grid .atc-field:first-child{grid-column:1/-1}.atc-swipe-hint{display:inline}}
@media(max-width:700px){.atc-totals-layout{grid-template-columns:1fr}.atc-summary-stack{grid-template-columns:repeat(2,minmax(0,1fr))}.atc-summary-value+.atc-summary-value{border-top:0;border-left:1px solid rgba(118,150,177,.18)}}
@media(max-width:560px){.atc-shell{padding:12px 0 40px}.atc-header{padding:16px;flex-direction:column;gap:12px}.atc-tool-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.atc-tool{font-size:11px;padding:6px}.atc-tool:last-child{grid-column:1/-1}.atc-section-heading{align-items:flex-start;flex-direction:column}.atc-field-grid.atc-four,.atc-field-grid.atc-two,.atc-route-grid,.atc-decimal-grid{grid-template-columns:1fr}.atc-result-grid.atc-four{grid-template-columns:repeat(2,minmax(0,1fr))}.atc-route-grid .atc-field:first-child{grid-column:auto}.atc-actions>*{flex:1 1 100%}.atc-card{padding:13px}.atc-result{min-height:100px;padding:12px}.atc-result strong{font-size:29px}.atc-math-row{grid-template-columns:128px minmax(0,1fr) 48px}.atc-utc-badge{align-self:flex-start}.atc-swipe-hint{display:inline}.atc-table-title{gap:8px}.atc-table-title h3{margin-right:auto}.atc-totals-layout{padding:10px}.atc-summary-value{min-height:92px;padding:12px}.atc-summary-value strong{font-size:29px}.atc-breakdown-matrix tr>*:first-child{width:26%}.atc-breakdown-matrix td strong{font-size:23px}.atc-breakdown-matrix tbody th{padding-left:10px}.atc-factored-strip{padding:12px}.atc-factored-strip strong{font-size:27px}.atc-sector-table{min-width:1180px}}