:root{--navy:#10243e;--navy2:#173553;--cyan:#27b7c6;--cream:#f5f2eb;--paper:#fffdf8;--ink:#172231;--muted:#6d7884;--line:#dfe4e7;--red:#bd5e4d;--green:#2f7869;--amber:#a57023;--shadow:0 12px 35px rgba(26,40,55,.08);--radius:18px}*{box-sizing:border-box}html{min-height:100%;background:#d9e8e3 url("/static/images/flight_background_4K_3840x2160.png") center/cover fixed no-repeat}body{margin:0;min-height:100vh;color:var(--ink);font-family:"Noto Sans SC","Microsoft YaHei",Arial,sans-serif;background:linear-gradient(135deg,rgba(5,20,40,.06),rgba(5,20,40,.1));font-variant-numeric:tabular-nums}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{display:grid;grid-template-columns:246px 1fr;min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:246px;background:rgba(16,36,62,.4992);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border-right:1px solid rgba(255,255,255,.2);box-shadow:10px 0 30px rgba(16,36,62,.18);color:white;padding:30px 22px;display:flex;flex-direction:column;z-index:4}.brand{position:relative;display:flex;align-items:center;gap:15px;width:max-content;isolation:isolate}.brand-mark{display:grid;place-items:center;width:46px;height:46px;flex:0 0 46px;border:1px solid rgba(255,255,255,.46);font:700 16px Georgia,serif;letter-spacing:1px;color:white;transition:border-color .35s ease,transform .35s ease}.brand-mark>span{display:block}.brand-copy{display:grid;gap:4px;min-width:0}.brand-title,.brand-subtitle{display:block;white-space:nowrap;opacity:1;transform:none;clip-path:none}.brand-title{font:700 19px/26px Georgia,"Songti SC",serif;letter-spacing:2px;color:#fff}.brand-subtitle{color:#a7bdcd;font-size:10px;line-height:16px;letter-spacing:1.8px}.brand:hover .brand-mark{border-color:rgba(255,255,255,.85);transform:translateY(-1px)}
.sidebar nav{display:grid;gap:8px;margin-top:42px}.sidebar nav .nav-card{position:relative;isolation:isolate;overflow:visible;display:flex;align-items:center;gap:12px;min-height:72px;padding:12px 13px;border:1px solid rgba(255,255,255,.08);border-radius:9px;color:rgba(236,244,250,.84);background-position:center;background-size:cover;background-repeat:no-repeat;box-shadow:inset 0 1px rgba(255,255,255,.05),inset 0 -1px rgba(0,0,0,.28);transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease,filter .18s ease}.sidebar nav .nav-card::before{content:"";position:absolute;inset:0;z-index:-1;border-radius:inherit;background:linear-gradient(90deg,rgba(5,17,31,.96) 0%,rgba(5,17,31,.84) 54%,rgba(5,17,31,.38) 100%);transition:background .18s ease}.sidebar nav .nav-card::after{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--cyan);box-shadow:0 0 9px rgba(39,183,198,.72);opacity:0;transition:opacity .18s ease}.sidebar nav .nav-overview{background-image:url("/static/images/nav-overview.png");background-position:66% center}.sidebar nav .nav-flights{background-image:url("/static/images/nav-flights.png");background-position:63% center}.sidebar nav .nav-simulators{background-image:url("/static/images/nav-simulators.png");background-position:55% center}.sidebar nav .nav-reports{background-image:url("/static/images/nav-reports.png");background-position:70% center}.sidebar nav .nav-card img{position:relative;z-index:1;width:29px;height:29px;flex:0 0 29px;object-fit:contain;filter:grayscale(1) brightness(1.9);opacity:.41}.sidebar nav .nav-card span{position:relative;z-index:1;display:grid;gap:2px;min-width:0}.sidebar nav .nav-card strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:14px;line-height:20px;font-weight:650;color:rgba(255,255,255,.9)}.sidebar nav .nav-card small{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:9px;line-height:13px;letter-spacing:.65px;color:rgba(210,228,240,.56)}.sidebar nav .nav-card:hover{transform:translateX(2px);border-color:rgba(65,210,229,.44);filter:brightness(1.05)}.sidebar nav .nav-card:hover::before{background:linear-gradient(90deg,rgba(5,17,31,.92),rgba(5,17,31,.73) 54%,rgba(5,17,31,.26))}.sidebar nav .nav-card.active{border-color:rgba(55,210,230,.86);box-shadow:0 0 12px rgba(39,183,198,.28),inset 0 0 18px rgba(39,183,198,.1);filter:brightness(1.09)}.sidebar nav .nav-card.active::before{background:linear-gradient(90deg,rgba(5,17,31,.9),rgba(5,17,31,.65) 54%,rgba(5,17,31,.18))}.sidebar nav .nav-card.active::after{opacity:1}.sidebar nav .nav-card.active img{opacity:.5;filter:grayscale(1) brightness(2.35)}
.sidebar nav .nav-icon-burst{--burst-color:#8b979f;position:relative;z-index:1;display:grid;place-items:center;width:29px;height:29px;flex:0 0 29px;overflow:visible;isolation:isolate}
.sidebar nav .nav-card.active .nav-icon-burst{--burst-color:#58cbe8}
.sidebar nav .nav-icon-burst img{z-index:2;transition:transform .18s ease,opacity .18s ease,filter .18s ease}
.sidebar nav .nav-icon-burst::before{position:absolute;content:"";z-index:1;left:-31px;right:-31px;top:-31px;bottom:-31px;pointer-events:none;background-repeat:no-repeat;background-image:radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%);background-size:0 0;background-position:18% 40%,20% 31%,30% 30%,40% 30%,50% 30%,57% 30%,65% 30%,80% 32%,15% 60%,83% 60%,18% 70%,25% 70%,41% 70%,50% 70%,64% 70%,80% 71%;opacity:0}
.sidebar nav .nav-icon-burst.is-bursting::before{animation:navIconBubbles .62s ease-in-out forwards}
.sidebar nav .nav-card.is-clicking .nav-icon-burst img{transform:scale(.86);opacity:.85;filter:grayscale(1) brightness(2.65) drop-shadow(0 0 6px var(--burst-color))}
.sidebar .brand-click-burst{--burst-color:#91b8c7;position:absolute;z-index:-1;inset:-32px;display:block;pointer-events:none;background-repeat:no-repeat;background-image:radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,transparent 20%,var(--burst-color) 21%,transparent 31%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%),radial-gradient(circle,var(--burst-color) 20%,transparent 21%);background-size:0 0;background-position:18% 40%,20% 31%,30% 30%,40% 30%,50% 30%,57% 30%,65% 30%,80% 32%,15% 60%,83% 60%,18% 70%,25% 70%,41% 70%,50% 70%,64% 70%,80% 71%;opacity:0}
.sidebar .brand-click-burst.is-bursting{animation:navIconBubbles .62s ease-in-out forwards}
.sidebar .brand.is-clicking .brand-mark{transform:scale(.88);border-color:#b9d4dd;box-shadow:0 0 12px rgba(145,184,199,.62)}
.sidebar .brand.is-clicking .brand-copy{filter:drop-shadow(0 0 5px rgba(145,184,199,.55))}

@keyframes navIconBubbles{0%{opacity:.9;background-size:11% 11%,17% 20%,12% 19%,19% 20%,13% 15%,13% 20%,17% 16%,12% 16%,19% 20%,10% 13%,18% 11%,17% 13%,15% 17%,20% 20%,17% 13%,10% 11%;background-position:18% 40%,20% 31%,30% 30%,40% 30%,50% 30%,57% 30%,65% 30%,80% 32%,15% 60%,83% 60%,18% 70%,25% 70%,41% 70%,50% 70%,64% 70%,80% 71%}55%{opacity:1;background-position:10% 44%,0 20%,15% 5%,30% 0,42% 0,62% -2%,75% 0,95% -2%,0 80%,95% 55%,7% 100%,24% 100%,41% 100%,55% 95%,68% 96%,95% 100%}100%{opacity:0;background-position:5% 44%,-5% 20%,7% 5%,23% 0,37% 0,58% -2%,80% 0,100% -2%,-5% 80%,100% 55%,2% 100%,23% 100%,42% 100%,60% 95%,70% 96%,100% 100%;background-size:0 0}}
@media(prefers-reduced-motion:reduce){.sidebar nav .nav-icon-burst::before,.sidebar .brand-click-burst{display:none}.sidebar nav .nav-icon-burst img{transition:none}}.sidebar nav .nav-card.active strong{color:#fff}.sidebar nav .nav-card:focus-visible{outline:2px solid #fff;outline-offset:2px}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.12);padding-top:20px}.sidebar-foot p,.sidebar-foot small{color:#93abba;font-size:11px;margin:0}.sidebar-foot strong{font-size:13px;display:block;margin:7px 0}.text-button{border:0;background:none;color:#9fb4c3;padding:20px 0 0;cursor:pointer}.shell main{grid-column:2;padding:36px clamp(24px,4vw,64px) 70px;max-width:1600px;width:100%;margin:auto}.topbar{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:30px}.eyebrow{font-size:10px;letter-spacing:2.3px;color:var(--cyan);font-weight:800;margin:0 0 8px;-webkit-text-stroke:0;text-shadow:none}.topbar h1{font:700 clamp(27px,3vw,38px) Georgia,"Songti SC",serif;margin:0;letter-spacing:.5px}.button{border:0;border-radius:7px;padding:11px 16px;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;font-weight:700;font-size:13px}.button.primary{background:var(--cyan);color:#062c36}.button.secondary{background:white;border:1px solid var(--line);color:var(--navy);margin-left:7px}.button.wide{width:100%}.flash{padding:13px 16px;margin-bottom:18px;border-radius:8px;background:#edf7f4;color:var(--green)}.flash.error{background:#fbefec;color:var(--red)}.hero-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.month-select label,.filters label,.form-grid label,.stack label{display:grid;gap:7px;color:var(--muted);font-size:11px;font-weight:700;letter-spacing:.4px}.month-select input,input,select,textarea{border:1px solid var(--line);border-radius:7px;background:white;padding:10px 11px;color:var(--ink);outline:none;min-height:42px}input:focus,select:focus,textarea:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(39,183,198,.12)}.status-note{color:var(--muted);font-size:12px}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:20px}.metrics article,.detail-summary article{background:rgba(255,253,248,.4224);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border:1px solid rgba(255,255,255,.58);border-radius:var(--radius);padding:20px;box-shadow:0 0.3px 0.7px rgba(0,0,0,.126),0 0.9px 1.7px rgba(0,0,0,.12),0 1.8px 3.5px rgba(0,0,0,.1),0 3.7px 7.3px rgba(0,0,0,.09),0 10px 20px rgba(16,36,62,.12)}.metrics span,.detail-summary span{font-size:11px;color:var(--muted);font-weight:700}.metrics strong,.detail-summary strong{display:block;font:700 30px Georgia,serif;margin:12px 0 5px;color:var(--navy)}.metrics small,.detail-summary small{color:var(--muted);font-size:11px}.metrics .attention{border-top:3px solid var(--amber)}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:minmax(0,1.25fr) minmax(330px,.75fr)}.panel{background:rgba(255,253,248,.4224);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border:1px solid rgba(255,255,255,.58);border-radius:var(--radius);box-shadow:0 0.3px 0.7px rgba(0,0,0,.126),0 0.9px 1.7px rgba(0,0,0,.12),0 1.8px 3.5px rgba(0,0,0,.1),0 3.7px 7.3px rgba(0,0,0,.09),0 10px 20px rgba(16,36,62,.12);padding:22px;transition:box-shadow .5s ease,background-color .5s ease}.panel:hover{box-shadow:0 .7px 1px rgba(0,0,0,.1),0 1.7px 2.6px rgba(0,0,0,.12),0 3.5px 5.3px rgba(0,0,0,.12),0 7.3px 11px rgba(16,36,62,.13),0 20px 30px rgba(16,36,62,.17);background:rgba(255,253,248,.4608)}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:18px}.panel-head h2{font:700 20px Georgia,"Songti SC",serif;margin:0}.panel-head>a{font-size:12px;color:var(--cyan);font-weight:700;-webkit-text-stroke:0;text-shadow:none;transition:color .18s ease}
.panel-head>a:hover{color:#168e9b;text-shadow:none}.flight-list{display:grid}.flight-row{display:grid;grid-template-columns:48px 1fr auto auto;align-items:center;gap:13px;padding:13px 4px;border-top:1px solid var(--line)}.flight-row:first-child{border-top:0}.date-badge{border-right:1px solid var(--line)}.date-badge b{font:700 20px Georgia,serif;display:block}.date-badge small,.route small,.time small,td small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.route strong{font-size:14px}.route strong span{color:var(--cyan);margin:0 5px}.time{text-align:right}.time strong{font:700 17px Georgia,serif}.pill{font-size:10px;padding:5px 8px;border-radius:99px;background:#f2eadc;color:var(--amber);white-space:nowrap}.pill.confirmed{background:#e6f3ef;color:var(--green)}.pill.void{background:#eee;color:#777}.month-bars{display:grid;gap:14px}.bar-row{display:grid;grid-template-columns:35px 1fr 50px;align-items:center;gap:10px;font-size:11px}.bar-row strong{font:700 12px Georgia,serif;text-align:right}.bar-track{height:7px;background:#e9eceb;border-radius:99px;overflow:hidden}.bar-track i{display:block;height:100%;background:var(--cyan)}.definition{background:#eef3f1;border-radius:10px;padding:14px;margin-top:22px}.definition strong{font-size:12px}.definition p{font-size:11px;line-height:1.7;color:var(--muted);margin:6px 0 0}.filters{display:grid;grid-template-columns:1.4fr repeat(4,1fr) auto;align-items:end;gap:12px;margin-bottom:16px}.list-summary{display:flex;justify-content:space-between;align-items:center;margin:17px 4px;font-size:12px;color:var(--muted)}.list-summary strong{color:var(--navy);font:700 18px Georgia,serif}.table-panel{padding:0;overflow:hidden}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px}th{text-align:left;padding:13px 16px;background:#f0eee8;color:var(--muted);font-size:10px;letter-spacing:.7px}td{padding:14px 16px;border-top:1px solid var(--line)}tbody tr{cursor:pointer}tbody tr:hover{background:#f7faf9}.numeric{font:700 14px Georgia,serif}.form-panel{max-width:1050px}.form-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.form-grid .full{grid-column:1/-1}.form-actions{display:flex;justify-content:flex-end;gap:8px;padding-top:4px}.detail-summary{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}.detail-grid{grid-template-columns:minmax(0,2fr) minmax(280px,1fr)}.audit-item{display:grid;grid-template-columns:14px 1fr;gap:10px;padding:7px 0 18px}.audit-item i{width:8px;height:8px;border-radius:50%;background:var(--cyan);margin-top:5px;box-shadow:0 0 0 4px rgba(39,183,198,.12)}.audit-item strong{font-size:12px}.audit-item small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.audit-item p{font-size:11px;margin:7px 0 0}.reports{grid-template-columns:minmax(0,calc(60% + 58.4px)) minmax(0,calc(40% - 58.4px))}.reports>article{min-width:0}.full-span{grid-column:1/-1}.route-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.route-grid div{border:1px solid var(--line);padding:14px;border-radius:9px}.route-grid strong{display:block;font:700 15px Georgia,serif}.route-grid span,.route-grid small{font-size:10px;color:var(--muted);margin-right:8px}.empty{text-align:center;color:var(--muted);padding:40px 15px}.login-page{min-height:100vh;background:url("/static/images/flight_background_4K_3840x2160.png") center 45%/cover fixed no-repeat;display:grid;place-items:center;padding:25px}.login-card{width:min(410px,100%);background:rgba(255,253,248,.4352);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border:1px solid rgba(255,255,255,.58);border-radius:20px;padding:36px;box-shadow:0 0.3px 0.7px rgba(0,0,0,.126),0 0.9px 1.7px rgba(0,0,0,.179),0 1.8px 3.5px rgba(0,0,0,.16),0 3.7px 7.3px rgba(0,0,0,.14),0 10px 20px rgba(0,0,0,.2);transition:box-shadow .5s ease}.login-card:hover{box-shadow:0 .7px 1px rgba(0,0,0,.12),0 1.7px 2.6px rgba(0,0,0,.16),0 3.5px 5.3px rgba(0,0,0,.15),0 7.3px 11px rgba(0,0,0,.17),0 20px 30px rgba(0,0,0,.22)}.login-brand{color:var(--navy)}.login-brand .brand-mark{background:var(--navy)}.login-brand small{color:var(--muted)}.login-card h1{font:700 31px Georgia,"Songti SC",serif;margin:35px 0 7px}.login-card>p{color:var(--muted);font-size:13px;margin-bottom:25px}.stack{display:grid;gap:15px}.privacy{display:block;color:var(--muted);font-size:10px;text-align:center;margin-top:20px}.mobile-nav{display:none}@media(max-width:1000px){.metrics,.detail-summary{grid-template-columns:repeat(2,1fr)}.grid.two,.detail-grid,.reports{grid-template-columns:1fr}.filters{grid-template-columns:repeat(3,1fr)}.route-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:720px){.shell{display:block}.sidebar{display:none}.shell main{padding:24px 15px 92px}.topbar{align-items:center}.topbar .button{display:none}.hero-row{align-items:flex-start;gap:10px}.status-note{text-align:right;max-width:170px}.metrics{grid-template-columns:repeat(2,1fr);gap:9px}.metrics article{padding:15px}.metrics strong{font-size:25px}.panel{padding:16px}.flight-row{grid-template-columns:43px 1fr auto}.flight-row>.pill{display:none}.grid.two{display:block}.grid.two>.panel{margin-bottom:14px}.filters{grid-template-columns:repeat(2,1fr)}.filters label:first-child{grid-column:1/-1}.filters button{min-height:42px}.list-summary{align-items:flex-start;gap:8px;flex-wrap:wrap}.form-grid{grid-template-columns:repeat(2,1fr);gap:12px}.detail-summary{grid-template-columns:repeat(2,1fr);gap:8px}.detail-summary article{padding:14px}.detail-summary strong{font-size:20px}.route-grid{grid-template-columns:1fr 1fr}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);align-items:center;inset:auto 0 0;background:rgba(255,255,255,.4608);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border-top:1px solid rgba(255,255,255,.58);padding:8px 10px calc(8px + env(safe-area-inset-bottom));z-index:5}.mobile-nav a,.mobile-nav button{border:0;background:none;text-align:center;font-size:11px;color:var(--muted)}.mobile-nav .add{justify-self:center;display:grid;place-items:center;width:44px;height:44px;border-radius:50%;background:var(--cyan);color:var(--navy);font-size:24px;margin-top:-24px;box-shadow:0 7px 22px rgba(39,183,198,.35)}.table-wrap table{min-width:760px}}@media(max-width:430px){.metrics{grid-template-columns:1fr 1fr}.metrics article{min-width:0}.metrics strong{font-size:23px}.form-grid{grid-template-columns:1fr}.route-grid{grid-template-columns:1fr}.panel-head{gap:12px}.status-note{font-size:10px}}


/* Flight month navigation */
.flights-layout{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:5px;align-items:start}
.flights-layout .table-panel{min-width:0}
.month-rail{grid-column:2;grid-row:1;position:sticky;top:24px;height:80vh;min-height:520px;max-height:900px;background:rgba(255,253,248,.4224);-webkit-backdrop-filter:blur(20px) saturate(135%);backdrop-filter:blur(20px) saturate(135%);border:1px solid rgba(255,255,255,.58);border-radius:var(--radius);box-shadow:0 10px 20px rgba(16,36,62,.12);padding:18px 12px;display:flex;flex-direction:column;align-items:center;gap:7px}
.month-rail>strong{font-size:12px;color:var(--muted)}
.month-rail output{font-weight:800;color:var(--navy);white-space:nowrap}
.month-rail>small{font-size:9px;color:var(--muted);line-height:1.5;text-align:center;white-space:nowrap}
.month-links-title{font-size:10px;letter-spacing:1px;color:var(--muted);margin-top:5px}
.month-links{width:100%;flex:1;min-height:0;overflow-y:auto;display:flex;flex-direction:column;gap:4px;padding:4px 2px 8px;scrollbar-width:thin;scroll-behavior:smooth;overscroll-behavior:contain}
.month-links a{display:grid;place-items:center;min-height:36px;padding:7px 2px;border-radius:9px;color:var(--muted);font-size:12px;font-weight:700;white-space:nowrap;transition:.15s ease;scroll-margin-block:70px}
.month-links a:hover{background:#eef6f6;color:var(--navy)}
.month-links a.active{background:var(--navy);color:white;box-shadow:0 4px 12px rgba(16,36,62,.18)}
.month-slider-rail{grid-column:2;grid-row:1;align-self:start;justify-self:end;position:sticky;top:24px;z-index:3;width:44px;height:80vh;min-height:520px;max-height:900px;border:0;background:transparent;box-shadow:none;padding:0;overflow:visible;pointer-events:none}
.month-slider-rail .month-controls{position:absolute;inset:0;width:44px;height:100%;display:grid;place-items:center;border:0;padding:0;background:transparent;pointer-events:none}
.month-slider-rail .month-range-wrap{width:44px;height:100%;display:grid;place-items:center;padding:0;pointer-events:none}
.month-slider-rail input[type=range]{width:42px!important;min-width:0!important;max-width:none!important;height:calc(100% - 50px)!important;min-height:0!important;margin:25px 0!important;padding:0!important;display:block!important;visibility:visible!important;opacity:1!important;writing-mode:vertical-lr;direction:rtl;appearance:slider-vertical;transform:none!important;accent-color:var(--cyan);cursor:ns-resize;pointer-events:auto}
.month-slider-rail #month-slider-label{display:block;position:absolute;z-index:4;right:48px;top:50%;transform:translateY(-50%);opacity:0;visibility:hidden;pointer-events:none;background:var(--navy);color:white;border-radius:8px;padding:7px 9px;font-size:11px;font-weight:800;white-space:nowrap;transition:opacity .12s ease}
.month-slider-rail.is-dragging #month-slider-label{opacity:1;visibility:visible}
@media(max-width:900px){.flights-layout{grid-template-columns:minmax(0,1fr) 88px;gap:4px}.month-rail{height:80vh;min-height:460px;padding:14px 8px}.month-links a{min-height:34px;font-size:11px}.month-slider-rail{width:36px;height:80vh;min-height:460px}.month-slider-rail .month-controls,.month-slider-rail .month-range-wrap{width:36px}.month-slider-rail input[type=range]{width:34px!important}}

/* Small right nudge requested for the overlaid master slider. */
.month-slider-rail{transform:translateX(50px)}

.month-slider-rail>span{position:absolute;left:50%;transform:translateX(-50%);font-size:9px;color:var(--muted);white-space:nowrap;writing-mode:vertical-rl;pointer-events:none}.month-slider-rail>#month-slider-newest{top:4px}.month-slider-rail>#month-slider-oldest{bottom:4px}

/* Simulator records use the same clickable month navigator; master range is retired. */
.simulators-layout{display:grid;grid-template-columns:minmax(0,1fr) 118px;gap:5px;align-items:start}.simulators-layout>section{min-width:0}.simulators-layout .month-rail{grid-column:2;grid-row:1;position:sticky;top:24px;height:80vh}.flights-layout{grid-template-columns:minmax(0,1fr) 118px!important}.month-slider-rail{display:none!important}@media(max-width:900px){.simulators-layout{grid-template-columns:minmax(0,1fr) 88px;gap:4px}}

/* Clickable two-way table sorting */
.sort-link{display:inline-flex;align-items:center;gap:4px;white-space:nowrap;color:inherit;font-weight:inherit}
.sort-link span{color:#9aa5ad;font-size:11px}
.sort-link:hover,.sort-link.active{color:var(--cyan)}
.sort-link.active span{color:var(--cyan)}
.sortable-table th{white-space:nowrap}

/* Language switch and wider English labels */
.language-switch{margin-left:auto}.language-switch button{border:1px solid var(--line);background:var(--paper);color:var(--navy);border-radius:999px;padding:8px 13px;font-size:12px;font-weight:800;cursor:pointer;box-shadow:var(--shadow)}.language-switch button:hover{border-color:var(--cyan);color:var(--cyan)}
.login-language-switch{position:fixed;top:20px;right:20px;z-index:5}.mobile-language-switch{display:none}
.lang-en .sidebar{width:220px}.lang-en .shell{grid-template-columns:220px minmax(0,1fr)}.lang-en .shell main{max-width:none;margin:0;padding-left:24px;padding-right:24px;zoom:.94}.lang-en .brand{gap:8px;max-width:100%}.lang-en .brand-mark{width:42px;height:42px;flex-basis:42px}.lang-en .brand-copy{overflow:visible}.lang-en .brand-title{font-size:15px;line-height:22px;letter-spacing:0;overflow:visible;text-overflow:clip}.lang-en .sidebar nav .nav-card{padding-inline:11px}.lang-en .sidebar nav .nav-card strong{font-size:13px}.lang-en .sidebar nav .nav-card small{font-size:8.5px;letter-spacing:.45px}.lang-en th,.lang-en .list-summary,.lang-en .status-note{font-size:11px}.lang-en .metrics article span,.lang-en .detail-summary article span{letter-spacing:.1px}.lang-en .panel{padding:20px}.lang-en .metrics,.lang-en .detail-summary{gap:12px}.lang-en .metrics article,.lang-en .detail-summary article{padding:17px 13px}.lang-en .metrics strong,.lang-en .detail-summary strong{font-size:27px}.lang-en .filters{gap:10px}.lang-en .list-summary{gap:12px}.lang-en td{padding:12px 11px}.lang-en th{padding:11px}
.lang-en .overview-page{min-width:0}.lang-en .overview-page .metrics{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.lang-en .overview-page .metrics article{padding:17px 15px;min-width:0}.lang-en .overview-page .metrics article span{font-size:10px}.lang-en .overview-page .metrics article strong{font-size:clamp(20px,1.8vw,28px)}.lang-en .overview-sectors{padding:18px}.lang-en .overview-sectors .table-wrap{overflow-x:visible}.lang-en .overview-sectors table{width:100%;table-layout:fixed}.lang-en .overview-sectors th,.lang-en .overview-sectors td{padding:10px 7px;font-size:11px;overflow-wrap:anywhere}.lang-en .overview-sectors th:nth-child(1){width:9%}.lang-en .overview-sectors th:nth-child(2){width:15%}.lang-en .overview-sectors th:nth-child(3){width:12%}.lang-en .overview-sectors th:nth-child(4),.lang-en .overview-sectors th:nth-child(5),.lang-en .overview-sectors th:nth-child(6),.lang-en .overview-sectors th:nth-child(7),.lang-en .overview-sectors th:nth-child(9){width:9%}.lang-en .overview-sectors th:nth-child(8){width:7%}.lang-en .overview-sectors th:nth-child(10){width:12%}.lang-en .overview-sectors .sort-link{white-space:normal;line-height:1.15}
.lang-en .overview-page .bar-row>span{white-space:nowrap;min-width:58px}.lang-en .reports{grid-template-columns:1fr;align-items:start}.lang-en .reports>article{grid-column:1;min-width:0}.lang-en .reports .table-wrap{overflow-x:visible}.lang-en .reports .table-wrap table{width:100%;min-width:0;table-layout:fixed}.lang-en .reports .sort-link{white-space:normal;line-height:1.15}.lang-en .reports th{min-width:0;padding:10px 6px;font-size:9px;overflow-wrap:anywhere}.lang-en .reports td{padding:11px 7px;font-size:11px}.lang-en .reports>article:nth-child(1) .table-wrap table,.lang-en .reports>article:nth-child(2) .table-wrap table{min-width:0}.lang-en .reports>article:nth-child(3){grid-column:1/-1}
@media(max-width:1180px) and (min-width:761px){.lang-en .overview-page .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.lang-en .shell main{padding-left:22px;padding-right:22px}.lang-en .overview-sectors th,.lang-en .overview-sectors td{padding:8px 4px;font-size:10px}}
@media(max-width:760px){.topbar .language-switch{display:block}.mobile-language-switch{display:block}.mobile-nav{gap:2px}.mobile-nav a,.mobile-nav button{font-size:10px;padding:9px 5px}.lang-en .shell{display:block}.lang-en .shell main{padding-left:16px;padding-right:16px;zoom:1}.lang-en .overview-page .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}.lang-en .overview-sectors .table-wrap{overflow-x:auto}.lang-en .overview-sectors table{min-width:920px;table-layout:auto}.login-language-switch{top:12px;right:12px}}

@supports not ((-webkit-backdrop-filter:blur(1px)) or (backdrop-filter:blur(1px))){.sidebar{background:rgba(16,36,62,.6144)}.panel,.metrics article,.detail-summary article,.month-rail,.login-card{background:rgba(255,253,248,.6016)}.mobile-nav{background:rgba(255,255,255,.6144)}}

.page-heading{position:relative;display:grid;justify-items:start;gap:9px}.page-heading .slide-bar{position:relative;color:transparent;overflow:hidden;isolation:isolate}.page-heading .slide-bar::before{position:absolute;content:"";inset:0;z-index:-1;background:#35b9f1;transform:scaleX(0);transform-origin:left;animation:pageSlideBar 2s cubic-bezier(.75,0,0,1) forwards}.page-heading .eyebrow{width:250px;height:18px;margin:0;font-size:10px;line-height:18px;letter-spacing:2.3px;animation:pageFillEyebrow 2s 1.6s forwards}.page-heading .eyebrow::before{background:#35b9f1}.page-heading .page-title{width:250px;height:42px;margin:0;font:700 clamp(27px,3vw,38px)/42px Georgia,"Songti SC",serif;letter-spacing:.5px;animation:pageFillTitle 2s 3.2s forwards}.page-heading .page-title::before{background:#ff4081;animation-delay:2s}.topbar{align-items:flex-end}.topbar h1{font:inherit;margin:0}@keyframes pageSlideBar{50%{transform:scaleX(1);transform-origin:left}50.1%{transform-origin:right}100%{transform:scaleX(0);transform-origin:right}}@keyframes pageFillEyebrow{to{color:var(--cyan)}}@keyframes pageFillTitle{to{color:var(--navy)}}@media(prefers-reduced-motion:reduce){.page-heading .slide-bar::before{display:none}.page-heading .eyebrow,.page-heading .page-title{animation:none;color:inherit}}.lang-en .page-heading .eyebrow{animation:enPageEyebrowReveal 2s 1.6s forwards}.lang-en .page-heading .page-title{animation:enPageTitleReveal 2s 3.2s forwards}@keyframes enPageEyebrowReveal{to{color:var(--cyan)}}@keyframes enPageTitleReveal{to{color:var(--navy)}}@media(prefers-reduced-motion:reduce){.lang-en .page-heading .eyebrow{color:var(--cyan)}.lang-en .page-heading .page-title{color:var(--navy)}}
/* Flight theme background: uses the user-provided local image without changing page content. */
.snow-field{position:fixed;inset:0;z-index:0;pointer-events:none;overflow:hidden;background-image:linear-gradient(rgba(5,20,40,.08),rgba(5,20,40,.14)),url("/static/images/flight_background_4K_3840x2160.png");background-size:cover;background-position:center 45%;background-repeat:no-repeat;transform:scale(1.01) translate3d(-.25%,0,0);will-change:transform;animation:flightBackgroundDrift 22s ease-in-out infinite alternate}
@keyframes flightBackgroundDrift{from{transform:scale(1.01) translate3d(-.25%,0,0)}to{transform:scale(1.035) translate3d(.5%,-.25%,0)}}
.shell,.login-page>form,.login-card{position:relative;z-index:1}.login-page>.snow-field{z-index:0}.login-page>.login-card{z-index:1}
@media(max-width:720px){.snow-field{inset:0;background-position:68% center;transform:scale(1.005);animation:flightBackgroundMobile 24s ease-in-out infinite alternate}@keyframes flightBackgroundMobile{from{transform:scale(1.005)}to{transform:scale(1.02)}}}
@media(prefers-reduced-motion:reduce){.snow-field{animation:none;transform:none}}

@media(min-width:1001px){.lang-zh .reports>article:nth-child(2){width:calc(100% + 30px)}}
/* English desktop polish: improve density, readability, and navigation rhythm. */
@media(min-width:761px){
.lang-en .sidebar{padding:26px 18px;overflow:hidden}
.lang-en .sidebar nav{margin-top:34px;gap:7px}
.lang-en .sidebar nav .nav-card{min-height:62px;padding:9px 11px;gap:10px}
.lang-en .sidebar nav .nav-icon-burst{width:25px;height:25px;flex-basis:25px}.lang-en .sidebar nav .nav-card img{width:25px;height:25px;flex-basis:25px}
.lang-en .sidebar nav .nav-card strong{font-size:13px;line-height:18px}
.lang-en .sidebar nav .nav-card small{font-size:9px;line-height:12px;color:rgba(225,237,245,.68)}
.lang-en .sidebar-foot p,.lang-en .sidebar-foot small{font-size:10px;line-height:1.45;color:#aec1ce}
.lang-en .sidebar-foot strong{font-size:12px}
.lang-en .text-button{padding-top:14px;color:#c3d2dc}
.lang-en .topbar{margin-bottom:22px}
.lang-en .page-heading{gap:6px}
.lang-en .page-heading .eyebrow{width:220px;letter-spacing:1.8px}
.lang-en .page-heading .page-title{width:auto;min-width:250px;max-width:520px;height:38px;font-size:30px;line-height:38px}
.lang-en .hero-row{margin-bottom:15px}
/* Keep the bilingual month label and value readable over the aviation background. */
.month-select label{color:#10243e;font-size:12px;font-weight:800;text-shadow:0 1px 0 rgba(255,255,255,.42)}
.month-select input[type=month]{color:#10243e;background:rgba(255,255,255,.96);border-color:rgba(16,36,62,.24);font-weight:700;box-shadow:0 3px 12px rgba(16,36,62,.12)}
.month-select input[type=month]::-webkit-datetime-edit,.month-select input[type=month]::-webkit-datetime-edit-fields-wrapper,.month-select input[type=month]::-webkit-datetime-edit-year-field,.month-select input[type=month]::-webkit-datetime-edit-month-field{color:#10243e;opacity:1}
.month-select input[type=month]::-webkit-calendar-picker-indicator{opacity:.85;filter:none}
.lang-en .metrics{gap:12px;margin-bottom:18px}
.lang-en .metrics article{min-height:118px;background:rgba(255,253,248,.5248);-webkit-backdrop-filter:blur(14px) saturate(125%);backdrop-filter:blur(14px) saturate(125%)}
.lang-en .metrics article span{font-size:11px;color:#52616e}
.lang-en .metrics article strong{margin:9px 0 4px;font-size:27px}
.lang-en .metrics article small{font-size:10.5px;line-height:1.4;color:#5f6c78}
.lang-en .panel{background:rgba(255,253,248,.5504);-webkit-backdrop-filter:blur(14px) saturate(120%);backdrop-filter:blur(14px) saturate(120%)}
.lang-en .panel-head{margin-bottom:14px}
.lang-en .panel-head h2{font-size:19px}
.lang-en .overview-sectors th,.lang-en .overview-sectors td{font-size:11px;line-height:1.35}
.lang-en .overview-sectors td small{font-size:9.5px;color:#5f6c78}
.lang-en .flight-row{padding:11px 4px}
.lang-en .flight-row .time small{display:none}
.lang-en .month-bars{gap:12px}
.lang-en .month-bars .bar-row{font-size:10.5px}
.lang-en .list-summary{font-size:11px;line-height:1.35}
/* Match flight and simulator summaries to the Report Month label style. */
.flights-summary,.simulators-layout .list-summary{margin:17px 4px;padding:0;border:0;border-radius:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;box-shadow:none;color:#273d4d;font-size:12px;font-weight:600;line-height:1.45;text-shadow:none;-webkit-text-stroke:.35px rgba(255,255,255,.9);paint-order:stroke fill}
.flights-summary span,.simulators-layout .list-summary span{display:inline-flex;align-items:baseline;gap:7px;white-space:nowrap}
.flights-summary strong,.simulators-layout .list-summary strong{color:#273d4d;font:700 18px/1.1 "Noto Sans SC","Microsoft YaHei",Arial,sans-serif;letter-spacing:.1px;font-variant-numeric:tabular-nums;text-shadow:none;-webkit-text-stroke:.45px rgba(255,255,255,.95);paint-order:stroke fill}
.lang-en .flights-summary,.lang-en .simulators-layout .list-summary{font-size:11px;color:#273d4d}
.lang-en .flights-summary strong,.lang-en .simulators-layout .list-summary strong{font-size:18px;color:#273d4d}
.lang-en .status-note{color:#536575;line-height:1.4}
.lang-en .filters.panel{background:rgba(255,253,248,.576)}
.lang-en .table-panel table{font-size:11px}
.lang-en .table-panel th{font-size:9.5px;line-height:1.25;padding:10px 8px}
.lang-en .table-panel td{padding:11px 8px;line-height:1.35}
.lang-en .table-panel td small{font-size:9px;color:#596976}
.lang-en .month-rail{background:rgba(255,253,248,.5504)}
}
@media(max-width:1180px) and (min-width:761px){
.lang-en .sidebar{width:210px}.lang-en .shell{grid-template-columns:210px minmax(0,1fr)}
.lang-en .shell main{padding-left:16px;padding-right:16px;zoom:.9}
.lang-en .flights-layout,.lang-en .simulators-layout{grid-template-columns:minmax(0,1fr)!important;gap:12px}
.lang-en .flights-layout .month-rail,.lang-en .simulators-layout .month-rail{grid-column:1;grid-row:1;position:static;width:100%;height:auto;min-height:0;max-height:none;padding:10px 12px;display:grid;grid-template-columns:auto auto minmax(0,1fr);align-items:center;gap:8px}
.lang-en .flights-layout .month-links,.lang-en .simulators-layout .month-links{display:flex;flex-direction:row;overflow-x:auto;overflow-y:hidden;gap:5px;padding:0;min-width:0;width:100%;max-width:100%;contain:inline-size}.lang-en .flights-layout .month-links>a:nth-child(n+13),.lang-en .simulators-layout .month-links>a:nth-child(n+13){display:none}
.lang-en .flights-layout .month-links a,.lang-en .simulators-layout .month-links a{min-width:72px;min-height:30px;padding:6px 8px}
.lang-en .flights-layout .month-links-title,.lang-en .simulators-layout .month-links-title,.lang-en .flights-layout .month-rail>small,.lang-en .simulators-layout .month-rail>small{display:none}
.lang-en .flights-layout .table-panel,.lang-en .simulators-layout>section{grid-column:1;grid-row:2}
.lang-en .table-panel table{font-size:10px}
.lang-en .table-panel th,.lang-en .table-panel td{padding-left:6px;padding-right:6px}
}