:root{
  --ink:#061426;
  --ink-2:#233244;
  --muted:#657385;
  --line:#D7DEE7;
  --panel:#FFFFFF;
  --bg:#F3F6F9;
  --soft:#F8FAFC;
  --brand:#082A57;
  --brand-2:#123E75;
  --ok:#237258;
  --warn:#B88214;
  --danger:#B94035;
  --shadow:0 1px 2px rgba(15,23,42,.06);
  --font:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:var(--font);background:var(--bg);color:var(--ink);font-size:15px}
body{overflow-x:hidden}
button,input,select{font:inherit}
button{min-height:44px;border-radius:5px;border:1px solid transparent;padding:10px 14px;font-weight:700;cursor:pointer}
button:disabled{opacity:.55;cursor:not-allowed}
input,select{width:100%;min-height:44px;border:1px solid #C6D0DB;border-radius:5px;background:#fff;color:var(--ink);padding:10px}
input::placeholder{color:#7A8796;font-weight:650;opacity:1}
input:focus,select:focus,button:focus-visible{outline:2px solid #7EA6D8;outline-offset:2px}
label{display:grid;gap:6px;font-size:12px;font-weight:800;color:#4A5A6A;letter-spacing:.02em}
.field-help{font-size:11px;font-weight:700;letter-spacing:0;color:#657385;line-height:1.35}

.app-shell{min-height:100vh}
.topbar{background:linear-gradient(120deg,#061426,#082A57);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px clamp(14px,3vw,28px);border-bottom:1px solid #A9B4C0}
.brand{display:flex;align-items:center;gap:14px;min-width:0}
.brand img{width:128px;height:58px;object-fit:contain;filter:drop-shadow(0 1px 0 rgba(255,255,255,.22)) drop-shadow(0 8px 18px rgba(0,0,0,.20))}
.brand p{margin:0;color:#B9C7D5;font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.brand h1{margin:0;font-size:22px;line-height:1.05}
.session{display:flex;align-items:center;gap:10px;font-size:13px;color:#DDE7F0}
.session button{background:#fff;color:var(--brand);min-height:36px;padding:7px 12px}

main{width:min(1220px,100%);margin:0 auto;padding:18px clamp(12px,2.4vw,24px) 60px}
.tabs{display:flex;gap:6px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px;margin-bottom:18px;box-shadow:var(--shadow);overflow:auto}
.tab{background:transparent;color:#5A6A7B;border:0;white-space:nowrap;padding-inline:18px}
.tab.active{background:#EAF0F7;color:var(--brand);box-shadow:inset 0 0 0 1px #D7E2EF}
.view{display:none}
.view.active{display:block}

.login-panel{position:fixed;inset:0;background:radial-gradient(circle at 18% 18%,rgba(96,165,250,.22),transparent 30%),radial-gradient(circle at 84% 76%,rgba(148,163,184,.20),transparent 34%),linear-gradient(135deg,#020A14 0%,#071426 46%,#0A2F61 100%);display:grid;place-items:center;padding:clamp(14px,3vw,32px);z-index:50;overflow:auto}
.login-panel[hidden]{display:none}
.login-shell{width:min(1040px,100%);min-height:min(650px,calc(100vh - 48px));display:grid;grid-template-columns:minmax(300px,.95fr) minmax(360px,1fr);background:#fff;border:1px solid rgba(226,232,240,.78);border-radius:12px;box-shadow:0 22px 56px rgba(0,0,0,.34);overflow:hidden}
.login-brand-panel{position:relative;background:linear-gradient(160deg,#030B16,#08234A 58%,#0C3D7A);color:#fff;padding:clamp(26px,4vw,46px);display:flex;flex-direction:column;justify-content:space-between;gap:28px;overflow:hidden}
.login-brand-panel::after{content:"";position:absolute;inset:auto -18% -28% 16%;height:260px;background:linear-gradient(135deg,rgba(255,255,255,.12),rgba(255,255,255,0));transform:skewY(-10deg);pointer-events:none}
.login-brand-panel > *{position:relative;z-index:1}
.login-brand-panel img{width:min(255px,86%);height:142px;object-fit:contain;align-self:flex-start}
.login-kicker{display:block;color:#91B9EA;font-size:11px;font-weight:900;letter-spacing:.14em;text-transform:uppercase}
.login-brand-panel h2,.login-card h2{margin:6px 0 0;font-size:28px;line-height:1.08;text-wrap:balance}
.login-brand-panel p{margin:12px 0 0;color:#E2EAF5;line-height:1.55;max-width:37ch}
.login-status-grid{display:grid;grid-template-columns:1fr;gap:9px}
.login-status-grid span{display:flex;align-items:center;gap:10px;color:#F0F6FC;font-size:13px;font-weight:850}
.login-status-grid span::before{content:"";width:9px;height:9px;border-radius:999px;background:#8AB9F3;box-shadow:0 0 0 5px rgba(138,185,243,.15)}
.login-card{padding:clamp(24px,4.6vw,48px);display:flex;flex-direction:column;justify-content:center;gap:16px;background:linear-gradient(180deg,#fff,#F8FAFC)}
.login-card-head{display:block}
.login-card h2{color:var(--ink);font-size:28px}
.login-card p{margin:0;color:#314255;line-height:1.5}
.password-wrap{display:grid;grid-template-columns:1fr auto}
.password-wrap input{border-top-right-radius:0;border-bottom-right-radius:0}
.password-wrap button{width:56px;min-width:56px;border-color:#C6D0DB;border-left:0;border-top-left-radius:0;border-bottom-left-radius:0;background:#EEF3F8;color:var(--brand);display:grid;place-items:center;padding:0}
.password-wrap button:hover{background:#E2EAF3}
.pin-eye-button svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.pin-eye-button .eye-off{display:none}
.pin-eye-button.is-visible .eye-open{display:none}
.pin-eye-button.is-visible .eye-off{display:block}
.login-submit{width:min(210px,100%);margin-top:4px}
.login-demo{border:1px solid #DCE4EE;background:#FFFFFF;border-radius:6px;padding:11px 12px;font-size:12px;color:#536477}
.login-credit{justify-self:start;color:var(--brand);font-size:13px;font-weight:900;text-decoration:none}
.login-credit:hover{text-decoration:underline}

.dashboard-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:7px;box-shadow:var(--shadow);padding:16px}
.unit-panel{grid-column:span 4;align-self:start}
.scan-panel{grid-column:span 8}
.route-panel,.monitor-panel{grid-column:span 6}
.panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;margin-bottom:14px}
.panel-head h2{margin:2px 0 0;font-size:18px}
.eyebrow{display:block;color:var(--muted);font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.09em}
.status-pill{display:inline-flex;align-items:center;min-height:28px;border:1px solid #CBD5DF;background:#F8FAFC;color:#4D5D6D;border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800;white-space:nowrap}
.status-pill.ok{background:#E7F2EC;color:var(--ok);border-color:#BFD9CD}
.status-pill.warn{background:#FFF4DA;color:#8A5F10;border-color:#E2C57F}
.status-pill.danger{background:#FBEDEC;color:var(--danger);border-color:#E5B8B3}

.unit-metrics,.route-summary,.monitor-grid,.data-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(132px,1fr));gap:10px}
.unit-metrics{grid-template-columns:1fr;gap:8px}
.unit-metrics div,.route-summary div,.monitor-grid div,.data-card{background:var(--soft);border:1px solid #E2E8F0;border-radius:5px;padding:12px}
.unit-metrics span,.route-summary span,.monitor-grid span,.data-card span{display:block;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.unit-metrics strong,.route-summary strong,.monitor-grid strong,.data-card strong{display:block;margin-top:5px;font-size:18px}
.route-summary strong.route-hint{font-size:14px;color:#657385;font-weight:800;line-height:1.35}

.scan-layout{display:grid;grid-template-columns:minmax(260px,1.12fr) minmax(260px,.88fr);gap:16px}
.photo-stack{display:grid;gap:10px;align-self:start}
.photo-box{min-height:360px;background:#F8FAFC;border:1px dashed #AEBAC7;border-radius:6px;display:flex;align-items:center;justify-content:center;color:var(--muted);text-align:center;overflow:hidden}
.photo-box img{width:100%;height:100%;object-fit:cover}
.dashboard-preview{min-height:330px;background:linear-gradient(180deg,#111827,#020617);border:1px solid #1E293B;border-radius:7px;display:grid;place-items:center;padding:16px;color:#fff;overflow:hidden}
.cluster-card{width:100%;max-width:620px;border-radius:16px;background:radial-gradient(circle at 50% 18%,#26354F,#0A1220 60%,#020617);border:1px solid rgba(148,163,184,.32);padding:18px;box-shadow:inset 0 0 28px rgba(255,255,255,.04),0 18px 42px rgba(0,0,0,.28)}
.cluster-screen{width:min(260px,72%);margin:0 auto 18px;background:#07101E;border:1px solid #314158;border-radius:8px;padding:14px 16px;text-align:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.04)}
.cluster-label{display:block;color:#93A4BA;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.12em}
.cluster-screen strong{display:block;margin-top:4px;color:#F8FAFC;font-size:clamp(30px,6vw,48px);font-weight:950;font-variant-numeric:tabular-nums}
.cluster-screen small{color:#8FA2BA;font-size:13px;font-weight:900;text-transform:uppercase}
.cluster-gauges{display:grid;grid-template-columns:1fr 1.2fr 1fr;gap:12px;align-items:center}
.gauge,.fuel-gauge{min-height:126px;border:1px solid rgba(148,163,184,.28);background:rgba(15,23,42,.72);border-radius:12px;padding:12px;text-align:center}
.gauge span,.fuel-gauge span{display:block;color:#A8B6C8;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.dial{position:relative;width:86px;height:86px;margin:10px auto 0;border-radius:50%;border:10px solid #273449;background:radial-gradient(circle,#101827 44%,#050A12 46%);box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}
.dial::before{content:"";position:absolute;inset:10px;border-radius:50%;border:1px dashed rgba(203,213,225,.32)}
.dial i{position:absolute;left:50%;bottom:50%;width:3px;height:34px;background:#E5E7EB;border-radius:999px;transform-origin:bottom center;transform:translateX(-50%) rotate(-58deg)}
.dial.speed i{transform:translateX(-50%) rotate(48deg)}
.fuel-gauge strong{display:block;margin:12px 0 10px;font-size:32px;font-weight:950;color:#F8FAFC}
.mini-fuel-track{height:26px;background:#1E293B;border:1px solid #475569;border-radius:6px;padding:3px;overflow:hidden}
.mini-fuel-track div{height:100%;width:50%;background:#2F8062;border-radius:4px;transition:width .18s ease-out,background .18s ease-out}
.cluster-card p{margin:14px 0 0;color:#C5D0DE;font-size:12px;text-align:center;line-height:1.35}
.enhanced-box{border:1px solid #C4D0DC;background:#071426;color:#F8FAFC;border-radius:6px;padding:10px;display:grid;gap:7px}
.enhanced-box[hidden]{display:none}
.enhanced-box span{font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em;color:#AFC5DE}
.enhanced-box div{min-height:104px;background:#000;border-radius:4px;display:grid;place-items:center;overflow:hidden}
.enhanced-box img{width:100%;height:100%;object-fit:contain;image-rendering:auto}
.enhanced-box small{font-size:11px;line-height:1.35;color:#D6E2EF}
.evidence-box{background:#F8FAFC;color:var(--ink);border-color:#D9E2EC}
.evidence-box span{color:#536477}
.evidence-box div{min-height:46px;background:#fff;color:#526173;border:1px solid #E2E8F0;padding:10px;text-align:center;font-weight:800}
.evidence-box small{color:#64748B}
.scan-data{display:grid;gap:12px}
.scan-action{min-height:54px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.route-panel{padding:18px}
.route-panel .panel-head{align-items:center;margin-bottom:18px;padding-bottom:12px;border-bottom:1px solid #E7EDF4}
.route-panel .panel-head h2{font-size:20px}
.route-panel .status-pill{min-height:34px;padding:6px 13px;background:#fff;border-color:#C9D4E1;box-shadow:inset 0 0 0 1px rgba(255,255,255,.65)}
.route-form{grid-template-columns:minmax(170px,.9fr) minmax(280px,1.35fr);gap:14px 16px}
.route-form .destination-field input{font-weight:850}
.route-form .destination-field input::placeholder{font-weight:700;color:#738195}
.route-summary-panel{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:14px}
.route-summary-panel .route-stat{min-height:78px;background:linear-gradient(180deg,#FFFFFF,#F7FAFD);border-color:#D9E2EC;padding:14px 15px}
.route-summary-panel .route-state{background:#F5F8FC}
.route-summary-panel span{color:#566A80}
.route-summary-panel strong{font-size:20px;line-height:1.2}
.route-summary-panel strong.route-hint{font-size:15px;color:#5C6C7D}
.trip-checklist{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}
.check-item{display:flex;align-items:center;gap:7px;min-height:36px;border:1px solid #DCE5EF;background:#F8FAFC;color:#5D6E80;border-radius:6px;padding:7px 9px;font-size:12px;font-weight:850}
.check-item span{width:14px;height:14px;border-radius:999px;border:2px solid #AAB8C7;background:#fff;flex:0 0 auto}
.check-item.ok{background:#EAF5EF;border-color:#BFD9CD;color:#1F654D}
.check-item.ok span{border-color:var(--ok);background:var(--ok);box-shadow:inset 0 0 0 3px #EAF5EF}
.check-item.warn{background:#FFF7E6;border-color:#E5C77E;color:#806016}
.check-item.warn span{border-color:var(--warn)}
.route-actions{display:grid;grid-template-columns:minmax(120px,.85fr) minmax(190px,1.3fr) minmax(130px,1fr);gap:12px;margin-top:16px}
.route-actions button{width:100%;min-height:56px;font-size:15px}
.route-help{margin:10px 0 0;color:#536477;background:#F7FAFD;border:1px solid #DDE6F0;border-radius:6px;padding:10px 12px;font-size:12px;line-height:1.45}
.fuel-meter{display:grid;grid-template-columns:70px 1fr;gap:10px;align-items:center;border:1px solid #E2E8F0;background:#F8FAFC;border-radius:5px;padding:12px}
.fuel-value{font-size:20px;font-weight:900;font-variant-numeric:tabular-nums}
.fuel-track{height:28px;background:#E9EEF4;border:1px solid #CDD6E1;border-radius:5px;overflow:hidden;padding:3px}
.fuel-track div{height:100%;width:50%;background:var(--ok);border-radius:3px;transition:width .18s ease-out,background .18s ease-out}
.fuel-meter p{grid-column:1/-1;margin:0;color:var(--muted);font-size:12px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.primary:hover{background:var(--brand-2)}
.secondary{background:#fff;color:var(--ink);border-color:#BBC6D1}
.secondary:hover{background:#F4F7FA}
.danger{background:#fff;color:var(--danger);border-color:#DDA49E}
.danger:hover{background:#FBEDEC}
.form-note{color:var(--muted);font-size:13px;margin:8px 0 0}
.form-note.error{color:var(--danger);font-weight:700}
.form-note.ok{color:var(--ok);font-weight:700}
.form-note.warn{color:#9A6B10;font-weight:800}

.map-placeholder{margin-top:12px;min-height:170px;border:1px dashed #B5C0CC;background:#F8FAFC;border-radius:6px;display:grid;place-items:center;text-align:center;color:var(--muted);padding:20px}
.mini-gps-head{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;text-align:left}
.mini-gps-head span{display:block;color:#657385;font-size:11px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
.mini-gps-head strong{display:block;color:var(--ink);font-size:15px;margin-top:2px}
.mini-gps-head a{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:5px;background:var(--brand);color:#fff;text-decoration:none;font-weight:900;padding:9px 12px;white-space:nowrap}
.map-placeholder iframe{width:100%;min-height:260px;border:0;border-radius:5px}
.close-trip-box{margin-top:14px;border:1px solid #E4C1BD;background:#FFF8F7;border-radius:7px;padding:14px;display:grid;gap:12px}
.close-trip-box[hidden]{display:none}
.close-trip-box h3{margin:2px 0 0;font-size:18px}
.close-trip-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.close-photo-field{grid-column:1/-1;display:grid;gap:8px}
.close-photo-action{width:100%;min-height:48px}
.close-photo-preview{min-height:86px;background:#fff;border-style:solid;display:grid;gap:4px;align-content:center}
.close-photo-preview strong{display:block;color:var(--ink);font-size:15px}
.close-photo-preview span{display:block;color:var(--muted);font-size:12px;font-weight:800}
.close-fuel-readout{border:1px solid #E2E8F0;background:#F8FAFC;border-radius:5px;padding:12px;display:grid;gap:8px}
.close-fuel-readout span{display:block;color:var(--muted);font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.05em}
.close-fuel-readout strong{font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums}
.close-readonly-track{height:28px}
.close-note-field{grid-column:1/-1}
.close-fuel-row{display:flex;align-items:center;gap:10px;color:#667789}
.close-fuel-row strong{font-size:22px;color:var(--ink);font-variant-numeric:tabular-nums}
.close-confirm{width:100%;min-height:52px;background:#B94035;color:#fff;border-color:#B94035}
.close-confirm:hover{background:#A8322A}
.alerts-list,.admin-list{display:grid;gap:10px}
.alert-item{border:1px solid #E1E7EE;border-radius:6px;padding:12px;background:#fff;display:grid;gap:4px}
.alert-item.danger{border-color:#E5B8B3;background:#FDF3F2}
.alert-item.warn{border-color:#E2C57F;background:#FFF9E9}
.alert-item strong{font-size:15px}
.alert-item span{color:var(--muted);font-size:12px}
.admin-destination{display:grid;grid-template-columns:1fr auto;gap:8px;align-items:center;border:1px solid #E1E7EE;border-radius:5px;padding:10px;background:#fff}

@media (max-width:860px){
  .topbar{align-items:flex-start}
  .brand img{width:112px;height:48px}
  .brand h1{font-size:18px}
  .session{display:grid;justify-items:end}
  .login-panel{align-items:start}
  .login-shell{grid-template-columns:1fr;min-height:auto}
  .login-brand-panel{padding:24px;gap:18px}
  .login-brand-panel img{width:185px;height:95px}
  .login-brand-panel h2{font-size:24px}
  .login-status-grid{grid-template-columns:repeat(3,1fr);gap:6px}
  .login-status-grid span{font-size:12px;align-items:flex-start}
  .dashboard-grid{grid-template-columns:1fr}
  .unit-panel,.scan-panel,.route-panel,.monitor-panel{grid-column:1}
  .unit-metrics{grid-template-columns:repeat(auto-fit,minmax(132px,1fr))}
  .scan-layout{grid-template-columns:1fr}
  .photo-box{min-height:190px}
  .dashboard-preview{min-height:auto;padding:12px}
  .cluster-card{border-radius:14px;padding:14px;max-width:100%}
  .cluster-screen{width:100%;margin-bottom:12px}
  .cluster-gauges{grid-template-columns:1fr}
  .cluster-gauges .gauge{display:none}
  .fuel-gauge{min-height:auto}
  .fuel-gauge strong{font-size:30px;margin:8px 0}
  .enhanced-box{display:none}
  .route-form{grid-template-columns:1fr}
  .route-summary-panel{grid-template-columns:1fr}
  .trip-checklist{grid-template-columns:repeat(2,minmax(0,1fr))}
  .route-actions{grid-template-columns:1fr}
  .close-trip-grid{grid-template-columns:1fr}
  .fuel-meter{grid-template-columns:1fr}
  .actions{display:grid}
  .actions button{width:100%}
}

@media (min-width:641px) and (max-width:860px){
  .route-form{grid-template-columns:minmax(170px,.9fr) minmax(280px,1.35fr)}
  .route-summary-panel{grid-template-columns:repeat(3,minmax(0,1fr))}
  .route-actions{grid-template-columns:minmax(120px,.85fr) minmax(190px,1.3fr) minmax(130px,1fr)}
  .route-actions button{min-height:54px}
}

@media (max-width:520px){
  main{padding-left:10px;padding-right:10px}
  .panel{padding:13px}
  .route-panel{padding:15px}
  .route-panel .panel-head{align-items:start}
  .route-actions button{min-height:52px}
  .trip-checklist{grid-template-columns:1fr}
  .scan-action{min-height:52px}
  .panel-head{display:grid}
  .topbar{display:grid}
  .session{justify-items:start}
  .tabs{position:sticky;top:0;z-index:20}
  .tabs .tab{min-width:max-content}
  .cluster-screen strong{font-size:34px}
  .dashboard-preview{padding:10px}
  .cluster-card{padding:12px}
  .cluster-card p{font-size:11px}
  .data-card{padding:11px}
  .login-panel{padding:0;background:linear-gradient(160deg,#061426,#082A57)}
  .login-shell{width:100%;min-height:100vh;border:0;border-radius:0;box-shadow:none}
  .login-brand-panel{padding:22px 20px 18px}
  .login-brand-panel img{width:170px;height:84px}
  .login-brand-panel h2{font-size:22px}
  .login-brand-panel p{font-size:14px}
  .login-status-grid{grid-template-columns:1fr}
  .login-card{padding:24px 20px 34px;justify-content:start}
  .login-card-head{display:block}
  .login-card h2{font-size:24px}
  .login-submit{width:100%}
}