:root{
  --bg:#f3f6fb;
  --panel:#ffffff;
  --panel-soft:#f8fbff;
  --line:#e5ebf3;
  --text:#1f2a37;
  --muted:#6b7a90;
  --accent:#4f7df7;
  --accent-2:#7c6ff2;
  --good:#27ae60;
  --warn:#f39c12;
  --bad:#e74c3c;
}
.fleet-detail-list{display:grid;gap:18px}
.fleet-detail-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:22px 24px;box-shadow:0 4px 16px rgba(31,42,55,.025)}
.fleet-card-heading,.fleet-card-identity,.fleet-card-badges{display:flex;align-items:center;gap:12px}
.fleet-card-heading{justify-content:space-between;flex-wrap:wrap}
.fleet-card-identity h3{margin:0 0 5px;font-size:21px}.fleet-card-identity span{font-size:15px;color:var(--muted)}
.fleet-card-facts{display:grid;grid-template-columns:1.1fr 1.6fr 1fr 1fr;gap:24px;margin:22px 0}
.fleet-card-facts>div{display:flex;flex-direction:column;gap:8px}.fleet-card-facts span{color:var(--muted);font-size:14px}.fleet-card-facts strong{font-size:17px;font-weight:600;line-height:1.4}.fleet-card-facts small{font-size:13px;line-height:1.6;color:var(--muted)}
.fleet-card-maintenance{display:flex;align-items:center;gap:24px;padding-top:18px;border-top:1px solid var(--line)}.fleet-card-maintenance .mileage-main{flex:1}.fleet-card-maintenance>span{flex-shrink:0;font-size:12px;font-weight:700}
.fleet-card-footer{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-top:18px;color:var(--muted);font-size:13px;line-height:1.8}.fleet-card-footer>div:first-child{display:flex;flex-wrap:wrap;gap:4px 18px}.fleet-card-controls{display:flex;align-items:center;gap:10px}
.fleet-detail-card .mileage-line{font-size:15px}.fleet-detail-card .mileage-percent{font-size:21px}.fleet-detail-card .mileage-meta{font-size:14px}.fleet-detail-card .priority-badge,.fleet-card-maintenance>span{font-size:13px}
@media(max-width:800px){.fleet-card-facts{grid-template-columns:1fr 1fr;gap:16px}.fleet-detail-card{padding:18px}.fleet-card-maintenance{gap:12px}.fleet-card-badges{flex-wrap:wrap}}
*{box-sizing:border-box}
body{margin:0;font-family:Segoe UI,Arial,sans-serif;background:linear-gradient(180deg,#fbfdff 0%,var(--bg) 100%);color:var(--text)}
.app-shell{min-height:100vh}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:24px 32px;background:rgba(255,255,255,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar h1{margin:0;font-size:30px}
.topbar p{margin:8px 0 0;color:var(--muted);font-size:15px}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button,select,input{border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:11px 14px;box-shadow:0 1px 2px rgba(17,24,39,.04)}
button{cursor:pointer;font-weight:600}
button:hover{border-color:#c9d4e6;box-shadow:0 4px 16px rgba(79,125,247,.08)}
button.secondary{background:#f5f8fd}
.danger{color:#b42318;background:#fff5f4;border-color:#f3c4bf}
.layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 90px)}
.sidebar{padding:18px;border-right:1px solid var(--line);background:rgba(255,255,255,.55);display:flex;flex-direction:column;gap:10px}
.nav{width:100%;text-align:left;padding:13px 14px;background:#fff}
.nav.active{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#fff;border-color:transparent}
.content{padding:24px}
.tab-panel{display:none}.tab-panel.active{display:block}
.hero{display:flex;justify-content:space-between;align-items:flex-start;gap:18px;margin-bottom:22px}
.eyebrow{color:#8b99b0;font-size:13px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}
.hero h2{margin:10px 0 10px;font-size:46px;line-height:1.06}
.hero .sub{margin:0;color:var(--muted);font-size:18px}
.live-pill{display:flex;align-items:center;gap:10px;padding:14px 18px;border-radius:999px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 30px rgba(17,24,39,.05);min-width:210px;justify-content:center;font-weight:700}
.dot{width:12px;height:12px;border-radius:50%;background:#2ecc71;box-shadow:0 0 0 5px rgba(46,204,113,.15)}
.filter-bar{display:grid;grid-template-columns:1.2fr 1fr auto;gap:16px;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 28px rgba(17,24,39,.05);margin-bottom:22px}
.field label{display:block;color:var(--muted);font-weight:700;margin-bottom:8px}
.field select,.field input{width:100%;padding:13px 14px}
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:22px}
.stat-card,.section-card{background:var(--panel);border:1px solid var(--line);border-radius:22px;box-shadow:0 10px 28px rgba(17,24,39,.04)}
.stat-card{padding:22px;min-height:150px;position:relative;overflow:hidden}
.stat-card::after{content:"";position:absolute;right:-30px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:var(--bubble,#eef3ff)}
.stat-title{color:var(--muted);font-size:15px}
.stat-value{font-size:48px;font-weight:800;margin:18px 0 8px}
.stat-note{color:var(--muted)}
.blue{--bubble:#eef3ff}.orange{--bubble:#fff2e3}.green{--bubble:#eaf7ef}.purple{--bubble:#f0ecff}
.two-col{display:grid;grid-template-columns:1.35fr .9fr;gap:16px;margin-bottom:22px}
.section-card{padding:18px 20px}
.section-head{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;margin-bottom:14px}
.section-head h3{margin:0;font-size:26px}
.section-head .small{color:var(--muted);font-size:14px}
table{width:100%;border-collapse:collapse;overflow:hidden}
th,td{padding:15px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
th{color:#8391a7;font-size:13px;text-transform:uppercase;letter-spacing:.08em}
td strong{display:block;font-size:18px}
td .subline{display:block;color:#8c99ac;margin-top:4px}
tr:hover td{background:var(--panel-soft)}
.tag{display:inline-flex;align-items:center;justify-content:center;min-width:72px;padding:7px 12px;border-radius:999px;font-weight:700;font-size:13px}
.good{background:rgba(39,174,96,.1);color:var(--good)}.warn{background:rgba(243,156,18,.12);color:var(--warn)}.bad{background:rgba(231,76,60,.12);color:var(--bad)}.gray{background:#eef2f7;color:#738299}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.actions button{padding:8px 12px;font-size:13px}
.feed{max-height:760px;overflow:auto;padding-right:6px}
.feed-item{display:grid;grid-template-columns:14px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.feed-dot{width:12px;height:12px;border-radius:50%;margin-top:6px}
.feed-title{font-weight:700}
.feed-meta{margin-top:6px;color:var(--muted);font-size:13px}
.gantt{display:grid;gap:10px}
.lane{display:grid;grid-template-columns:180px 1fr;gap:12px;align-items:center}
.lane-name{font-weight:800}
.timeline{position:relative;height:52px;background:#fbfdff;border:1px solid var(--line);border-radius:16px;overflow:hidden}
.slot{position:absolute;top:9px;height:34px;border-radius:10px;padding:8px 10px;font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.slot.flight{background:rgba(79,125,247,.12);border:1px solid rgba(79,125,247,.28)}
.hint{color:var(--muted);font-size:13px;line-height:1.6}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.maintenance-summary{color:var(--muted);font-size:14px}
.maintenance-summary b{color:var(--text);font-size:20px}
.maintenance-legend{display:flex;flex-wrap:wrap;gap:16px;align-items:center;margin:12px 0 14px;padding:12px 14px;background:#f8fbff;border:1px solid var(--line);border-radius:14px;color:var(--muted);font-size:13px}
.legend-dot{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:6px}
.legend-dot.green{background:#43b96d}.legend-dot.orange{background:#e99a39}.legend-dot.red{background:#e05252}
.fault-text{color:var(--bad);font-weight:700}
.maintenance-board{display:grid;gap:10px}
.maintenance-row{display:grid;grid-template-columns:190px minmax(260px,1fr) 130px;gap:18px;align-items:center;padding:17px 18px;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 5px 18px rgba(17,24,39,.035)}
.maintenance-row.is-maintenance{background:#fffaf1;border-color:rgba(243,156,18,.32)}
.maintenance-row.is-fault{background:#fff7f7;border-color:rgba(231,76,60,.32)}
.maintenance-aircraft{display:flex;align-items:center;gap:11px;min-width:0}
.aircraft-status-icon{display:grid;place-items:center;width:36px;height:36px;border-radius:11px;background:#eef5ff;color:var(--accent);font-size:18px}
.is-maintenance .aircraft-status-icon{background:#fff0d7;color:#b86d00}
.is-fault .aircraft-status-icon{background:#ffe1e1;color:var(--bad);font-weight:800}
.maintenance-aircraft strong,.maintenance-aircraft span{display:block}
.maintenance-aircraft strong{font-size:16px}
.maintenance-aircraft span{margin-top:4px;color:var(--muted);font-size:12px}
.mileage-main{min-width:0}
.mileage-line,.mileage-meta{display:flex;justify-content:space-between;gap:12px;align-items:center}
.mileage-line{font-size:13px;color:var(--muted)}
.mileage-line b{color:var(--text)}
.mileage-percent{font-size:18px;font-weight:800;color:var(--text)}
.mileage-track{height:12px;margin:9px 0 7px;background:#edf1f6;border-radius:999px;overflow:hidden}
.mileage-fill{height:100%;min-width:3px;border-radius:999px;transition:width .25s ease}
.mileage-meta{font-size:12px;color:var(--muted)}
.maintenance-state{text-align:right;font-size:12px;font-weight:700;display:flex;flex-direction:column;align-items:flex-end;gap:8px}.priority-badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}.priority-A{color:#b42318;background:#fee4e2}.priority-B{color:#9a6700;background:#fff1c2}.priority-C{color:#176b3a;background:#dcfce7}
.maintenance-mark,.fault-mark,.mileage-due,.mileage-normal{display:inline-flex;align-items:center;justify-content:center;padding:7px 10px;border-radius:999px}
.maintenance-mark{background:#fff0d7;color:#b86d00}
.fault-mark{background:#ffe1e1;color:var(--bad)}
.mileage-due{background:#ffe4e4;color:#c0392b}
.mileage-normal{background:#eaf7ef;color:var(--good)}
.metric{font-size:28px;font-weight:800;margin:10px 0}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.modal-backdrop{position:fixed;inset:0;background:rgba(15,23,42,.35);z-index:20}
.modal{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);width:min(860px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:0;z-index:21;box-shadow:0 24px 70px rgba(15,23,42,.2);overflow:hidden}
.login-layout{display:grid;grid-template-columns:1.02fr 1fr;min-height:450px}
.login-visual{position:relative;min-height:450px;background:#dfeeff;overflow:hidden}
.login-visual img{width:100%;height:100%;display:block;object-fit:cover}
.login-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,36,72,.04),rgba(7,36,72,.72))}
.login-visual-copy{position:absolute;left:30px;bottom:30px;color:#fff;z-index:1}
.login-visual-copy span{display:block;font-size:11px;letter-spacing:.18em;font-weight:700;opacity:.82;margin-bottom:12px}
.login-visual-copy strong{font-size:27px;line-height:1.28}
.login-panel{display:flex;flex-direction:column;justify-content:center;padding:46px 48px;background:#fff}
.login-panel h3{margin:0;font-size:29px;color:var(--text)}
.login-subtitle{margin:10px 0 28px;color:var(--muted);font-size:14px}
.login-fields{display:grid;gap:8px}
.login-fields label{font-size:13px;color:#64748b;font-weight:700;margin-top:8px}
.login-fields input{width:100%;height:48px;border-radius:9px;background:#f8fafc;padding:12px 14px}
.login-fields input:focus{outline:2px solid rgba(79,125,247,.2);border-color:var(--accent);background:#fff}
.login-error{min-height:25px;margin-top:10px;color:var(--bad)}
.login-actions{margin-top:8px}
.login-actions button{min-width:104px}
.hidden{display:none}
.toast{position:fixed;right:18px;bottom:18px;min-width:220px;max-width:360px;padding:12px 14px;border-radius:12px;background:#fff;border:1px solid var(--line);z-index:30;box-shadow:0 10px 24px rgba(17,24,39,.12)}
.toast.good{border-color:rgba(39,174,96,.35)}.toast.bad{border-color:rgba(231,76,60,.35)}
@media (max-width:1100px){
  .stats,.two-col,.filter-bar{grid-template-columns:1fr}
  .layout{grid-template-columns:1fr}
  .sidebar{flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--line)}
  .topbar{flex-direction:column;align-items:flex-start}
  .hero{flex-direction:column}
  .hero h2{font-size:34px}
  .maintenance-row{grid-template-columns:1fr}
  .maintenance-state{text-align:left}
}
@media (max-width:640px){
  .modal{width:min(94vw,430px);max-height:90vh;overflow:auto}
  .login-layout{grid-template-columns:1fr;min-height:0}
  .login-visual{min-height:175px;max-height:175px}
  .login-visual-copy{left:22px;bottom:20px}
  .login-visual-copy strong{font-size:21px}
  .login-panel{padding:28px 24px 30px}
}

.aircraft-pagination{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;padding:14px 0;color:var(--muted);font-size:14px}.aircraft-pagination button:disabled{opacity:.4;cursor:not-allowed}
.assignment-picker{min-width:620px;max-width:920px}.assignment-picker .actions{display:flex;flex-wrap:wrap;gap:8px}.assignment-picker .actions button{min-width:68px}.assignment-pagination{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:9px;color:var(--muted);font-size:12px}.assignment-pagination button{padding:5px 9px}.assignment-pagination button:disabled{opacity:.4;cursor:not-allowed}
.report-table-card{margin-top:0}.report-progress{display:inline-block;vertical-align:middle;width:min(220px,45vw);height:8px;border-radius:99px;background:#e8eef8;overflow:hidden;margin-right:10px}.report-progress span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,#5b7cfa,#27ae60)}
.aircraft-maintenance-detail td{background:#fff;padding:0 18px 24px;border-top:0}.aircraft-maintenance-inline{display:flex;align-items:center;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:12px}.aircraft-maintenance-inline strong{color:var(--text);font-size:13px}.inline-progress{width:130px;height:7px;border-radius:99px;background:#e8eef8;overflow:hidden}.inline-progress i{display:block;height:100%;background:#f39c12;border-radius:inherit}
#aircraft .maintenance-summary{padding:16px 0;line-height:1.8}
.priority-explain{margin-top:8px;font-size:13px;color:var(--muted);font-weight:400}
#aircraft table{table-layout:fixed;width:100%}
#aircraft th,#aircraft td{overflow-wrap:anywhere}
#aircraft .aircraft-maintenance-detail .maintenance-row{grid-template-columns:180px minmax(0,1fr) 110px;padding:18px;background:#f8fbff;box-shadow:none;border-radius:12px}
#aircraft .aircraft-maintenance-detail .maintenance-row.is-maintenance{background:#fffaf1}
#aircraft .aircraft-maintenance-detail .maintenance-row.is-fault{background:#fff7f7}
#aircraft .mileage-main>.hint{margin-top:6px;font-size:12px;line-height:1.6}
@media(max-width:1100px){#aircraft .aircraft-maintenance-detail .maintenance-row{grid-template-columns:1fr}#aircraft .maintenance-state{flex-direction:row;align-items:center}}


.aircraft-pagination{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;margin-top:18px;padding:14px 0;color:var(--muted);font-size:14px}.aircraft-pagination button:disabled{opacity:.4;cursor:not-allowed}