:root{
  --bg:#f5f7fb; --panel:#fff; --ink:#182230; --muted:#697386; --line:#e5e9f0;
  --brand:#0f4c81; --brand2:#1f6aa5; --ok:#198754; --warn:#b7791f; --shadow:0 10px 28px rgba(18,38,63,.08);
}
*{box-sizing:border-box} body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:var(--bg);color:var(--ink)}
button,input,select,textarea{font:inherit}
.hidden{display:none!important}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:28px;background:linear-gradient(135deg,#eef5fb,#f8fafc)}
.login-card{width:min(430px,100%);background:#fff;border-radius:18px;padding:32px;box-shadow:var(--shadow);border:1px solid var(--line)}
.brand{font-size:24px;font-weight:800;color:var(--brand);margin-bottom:5px}.sub{color:var(--muted);font-size:14px}
.field{margin-top:18px}.field label{display:block;font-size:13px;font-weight:700;margin-bottom:7px}
.field input,.field textarea,.desc-input{width:100%;padding:12px 13px;border:1px solid #cfd7e3;border-radius:10px;outline:none}
.field input:focus,.field textarea:focus,.desc-input:focus{border-color:var(--brand2)}
.desc-input{padding:8px 10px;margin-top:8px;text-transform:uppercase}
.btn{border:0;border-radius:10px;padding:11px 16px;cursor:pointer;font-weight:700;display:inline-block;text-decoration:none;text-align:center}
.btn-primary{background:var(--brand);color:#fff}.btn-light{background:#eef3f8;color:var(--brand)}
.btn-danger{background:#fff0f0;color:#b42318}.btn:disabled{opacity:.55;cursor:not-allowed}
.login-card .btn{width:100%;margin-top:20px}
.demo{margin-top:14px;background:#f6f8fb;border:1px dashed #ccd5e1;padding:10px 12px;border-radius:10px;font-size:12px;color:var(--muted)}
.error{background:#fff0f0;color:#b42318;padding:10px 12px;border-radius:10px;margin-top:14px;font-size:13px;font-weight:700}
.ok{background:#edf9f1;color:#176b3a;padding:10px 12px;border-radius:10px;margin-bottom:16px;font-size:13px;font-weight:700}
.app{min-height:100vh}.topbar{height:70px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 28px;position:sticky;top:0;z-index:5}
.top-left .brand{font-size:20px;margin:0}.top-left .sub{font-size:12px}.user{display:flex;align-items:center;gap:12px}.badge{background:#e9f2fb;color:#15558a;padding:6px 9px;border-radius:999px;font-size:12px;font-weight:700}
.shell{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 70px)}
.side{background:#14314a;color:#dfeaf3;padding:22px 14px}.side h4{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#8da6ba;margin:8px 12px 10px}
.nav{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:9px;color:#dfeaf3;text-decoration:none;margin:5px 0;cursor:pointer}.nav:hover,.nav.active{background:#214967;color:#fff}.nav-ico{display:inline-flex;width:18px;height:18px;flex:0 0 18px;opacity:.92}.nav-ico svg{width:18px;height:18px;display:block}
.main{padding:26px;max-width:1500px;width:100%}.title-row{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
h1{font-size:25px;margin:0 0 5px}.muted{color:var(--muted)}.search{width:310px;max-width:100%;padding:10px 12px;border:1px solid #ccd5e1;border-radius:10px;background:#fff}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:0 4px 16px rgba(18,38,63,.04)}
.project-card{cursor:pointer;transition:.15s;color:inherit;text-decoration:none}.project-card:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.kicker{font-size:12px;font-weight:800;color:var(--brand2);text-transform:uppercase;letter-spacing:.06em}.project-card h3{margin:8px 0 12px;font-size:18px}
.meta{display:grid;grid-template-columns:100px 1fr;gap:7px;font-size:13px}.meta b{color:#455467}.status{display:inline-block;margin:14px 8px 0 0;padding:6px 9px;border-radius:999px;background:#e9f8ef;color:#137a3f;font-size:12px;font-weight:800}.status-sent{background:#e9f2fb;color:#15558a}
.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:18px}.section-title{font-size:16px;font-weight:800;margin:0 0 14px}
.detail-list{display:grid;grid-template-columns:170px 1fr;gap:10px 16px;font-size:14px}.detail-list .label{color:var(--muted);font-weight:700}
.flight-details{font-size:15px;line-height:1.5;font-weight:600}
.flight-details p{margin:0 0 6px}
.flight-details p:last-child{margin:0}
.flight-details table{border-collapse:collapse;width:auto;max-width:100%;margin:6px 0;font-size:13px;font-weight:600}
.flight-details th,.flight-details td{border:1px solid #cfd8e3;padding:6px 8px;text-align:left}
.file-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid var(--line);border-radius:10px;margin-top:9px;background:#fbfcfe}
.file-name{font-weight:700;font-size:13px}.file-info{font-size:12px;color:var(--muted);margin-top:3px}
.upload-box{border:2px dashed #aab7c6;border-radius:14px;padding:28px 18px;text-align:center;background:#fafcff;cursor:pointer;display:block}.upload-box:hover{border-color:var(--brand2)}
.upload-box input{display:none}.uploaded-list{margin-top:14px}.actions{display:flex;gap:10px;margin-top:16px;justify-content:flex-end}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:850px}th,td{padding:13px 14px;text-align:left;border-bottom:1px solid var(--line);font-size:13px}th{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:#687586;background:#f8fafc}tr:last-child td{border-bottom:0}
.empty{padding:36px;text-align:center;color:var(--muted)}
.back{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;cursor:pointer;margin-bottom:14px;text-decoration:none}
.toast{position:fixed;right:22px;bottom:22px;background:#142f46;color:#fff;padding:13px 16px;border-radius:10px;box-shadow:var(--shadow);z-index:50}
.project-filters{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin:0 0 18px}
.project-filters .filter-select{width:auto;min-width:170px;max-width:240px;flex:1 1 170px;padding:12px 13px;border:1px solid #cfd7e3;border-radius:10px;outline:none;background:#fff}
.project-filters .filter-select:disabled{opacity:.55;cursor:not-allowed}
.project-filters .btn{flex:0 0 auto}
.field select{width:100%;padding:12px 13px;border:1px solid #cfd7e3;border-radius:10px;outline:none;background:#fff}
.field select:focus{border-color:var(--brand2)}
.field textarea{min-height:90px;resize:vertical}
.stat-value{font-size:32px;margin:10px 0 0;color:var(--brand)}
.top-left{display:flex;align-items:center;gap:10px;min-width:0}
.nav-toggle{display:none;align-items:center;justify-content:center;width:40px;height:40px;border:0;border-radius:10px;background:#eef3f8;color:var(--brand);cursor:pointer;flex:0 0 40px;padding:0}
.nav-toggle .nav-ico,.nav-toggle .nav-ico svg{width:20px;height:20px}
.nav-scrim{display:none}
.side{overflow:auto}
@media(max-width:720px){.project-filters .filter-select,.project-filters .btn{max-width:none;min-width:0;width:100%;flex:1 1 100%}}
@media(max-width:1000px){.grid{grid-template-columns:1fr 1fr}.detail-grid{grid-template-columns:1fr}.shell{grid-template-columns:210px 1fr}}
@media(max-width:720px){
.nav-toggle{display:inline-flex}
.nav-scrim{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:8;opacity:0;pointer-events:none;transition:opacity .2s}
.nav-open{overflow:hidden}
.nav-open .nav-scrim{opacity:1;pointer-events:auto}
.shell{display:block}
.side{position:fixed;top:70px;left:0;bottom:0;width:min(260px,86vw);transform:translateX(-100%);z-index:9;transition:transform .2s ease;pointer-events:none}
.nav-open .side{transform:translateX(0);pointer-events:auto;box-shadow:8px 0 24px rgba(18,38,63,.18)}
.grid{grid-template-columns:1fr}
.main{padding:16px}
.topbar{padding:0 12px;z-index:10}
.top-left .brand{font-size:16px}
.user .badge{display:none}
.title-row{align-items:stretch;flex-direction:column}
.search{width:100%}
.detail-list{grid-template-columns:1fr}
.detail-list .label{margin-top:8px}
.actions{flex-wrap:wrap}
.actions .btn{flex:1 1 auto}
.file-row{flex-wrap:wrap}
h1{font-size:20px}
.meta{grid-template-columns:1fr}
.table-wrap{-webkit-overflow-scrolling:touch}
}