:root{
  --vesselping-navy:#0A1628;
  --vesselping-cyan:#00B4D8;
  --vesselping-blue:#1478e8;
  --vesselping-light:#f5f9fc;
  --vesselping-text:#0A1628;
  --vesselping-muted:#5c6f82;
}

*{
  box-sizing:border-box;
}

body{
  margin:0;
  font-family:Arial,sans-serif;
  background:#ffffff;
  color:var(--vesselping-text);
}

.auth-body{
  min-height:100vh;
  display:grid;
  place-items:center;
  background:#ffffff;
  padding:32px 16px;
}

.auth-card{
  width:420px;
  max-width:calc(100vw - 32px);
  background:#ffffff;
  border:1px solid rgba(10,22,40,.08);
  border-radius:18px;
  padding:32px;
  text-align:center;
  box-shadow:0 18px 50px rgba(10,22,40,.14);
}

.auth-logo{
  display:block;
  width:180px;
  max-width:70%;
  height:auto;
  margin:0 auto 14px;
}

.auth-card h1{
  margin:0;
  color:var(--vesselping-navy);
  font-size:42px;
  line-height:1.05;
  letter-spacing:.5px;
}

.tagline{
  color:var(--vesselping-muted);
  margin:8px 0 0;
  font-weight:600;
  letter-spacing:.4px;
}

.tabs{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:8px;
  margin:24px 0 20px;
  padding:4px;
  background:var(--vesselping-light);
  border-radius:10px;
}

.tabs button{
  background:transparent;
  color:var(--vesselping-navy);
  box-shadow:none;
}

.tabs button.active{
  background:var(--vesselping-navy);
  color:#ffffff;
}

form{
  display:grid;
  gap:12px;
}

input,textarea{
  width:100%;
  background:#ffffff;
  color:var(--vesselping-navy);
  border:1px solid rgba(10,22,40,.18);
  border-radius:8px;
  padding:11px 12px;
  font:inherit;
}

input:focus,textarea:focus{
  outline:2px solid rgba(0,180,216,.22);
  border-color:var(--vesselping-cyan);
}

.hidden{
  display:none;
}

header{
  height:74px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 18px;
  background:var(--vesselping-navy);
  border-bottom:3px solid var(--vesselping-cyan);
  color:#ffffff;
}

.brand-header{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}

.nav-logo{
  width:40px;
  height:40px;
  object-fit:cover;
  border-radius:50%;
  background:#ffffff;
  box-shadow:0 0 0 2px rgba(255,255,255,.75);
}

h1{
  margin:0;
  color:inherit;
  letter-spacing:.5px;
}

header h1{
  font-size:24px;
}

header p{
  margin:2px 0 0;
  color:#bdefff;
  font-size:13px;
}

.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
}

#userBadge{
  color:#bdefff;
  font-size:13px;
}

main{
  display:grid;
  grid-template-columns:1fr 390px;
  height:calc(100vh - 74px);
  background:#ffffff;
}

#map{
  height:100%;
}

aside{
  padding:16px;
  overflow:auto;
  background:#ffffff;
  border-left:1px solid rgba(10,22,40,.12);
  box-shadow:-8px 0 24px rgba(10,22,40,.05);
}

aside h2{
  color:var(--vesselping-navy);
  margin-bottom:8px;
}

button{
  background:var(--vesselping-blue);
  color:#ffffff;
  border:0;
  border-radius:8px;
  padding:10px 12px;
  cursor:pointer;
  font-weight:700;
  box-shadow:0 6px 14px rgba(20,120,232,.18);
}

button:hover{
  background:var(--vesselping-cyan);
}

button.secondary{
  background:#24364f;
}

button.secondary:hover{
  background:#35516f;
}

textarea{
  height:90px;
  resize:vertical;
}

pre,#answer{
  white-space:pre-wrap;
  background:var(--vesselping-light);
  border:1px solid rgba(10,22,40,.12);
  border-radius:8px;
  padding:10px;
  color:var(--vesselping-navy);
}

.small{
  color:var(--vesselping-muted);
  font-size:13px;
}

#authMessage{
  min-height:20px;
  color:var(--vesselping-navy);
}

@media(max-width:900px){
  header{
    height:auto;
    min-height:74px;
    flex-wrap:wrap;
    gap:10px;
    padding:12px 18px;
  }

  main{
    grid-template-columns:1fr;
    height:calc(100vh - 98px);
  }

  aside{
    height:420px;
    border-left:0;
    border-top:1px solid rgba(10,22,40,.12);
  }
}