:root {
  --blue: #1b4f7a;
  --gold: #f5a623;
  --cream: #fff8ed;
  --green: #0d7a3e;
  --red: #c0392b;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: linear-gradient(180deg, #e8f4fc 0%, #f5f5f5 100%);
  color: #222;
  min-height: 100vh;
}

.wrap {
  max-width: 420px;
  margin: 0 auto;
  padding: 16px 16px 32px;
}

header,
.brand-header {
  text-align: center;
  padding: 20px 0 8px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  object-fit: cover;
  border: 2px solid var(--blue);
  box-shadow: 2px 2px 0 var(--blue);
  flex-shrink: 0;
}

.brand-text {
  text-align: left;
}

.brand-name {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1.2;
}

.sub {
  font-size: 0.9rem;
  color: #555;
  margin-top: 4px;
}

.brand-lockup .sub {
  margin-top: 2px;
}

.card {
  background: #fff;
  border: 3px solid var(--blue);
  border-radius: 18px;
  padding: 20px;
  margin: 16px 0;
  box-shadow: 4px 4px 0 var(--blue);
}

.card h1, .card h2 {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 1.3rem;
}

.fuel-type {
  font-weight: 700;
  margin: 0;
}

.price {
  font-size: 2rem;
  font-weight: 800;
  color: var(--green);
  margin: 8px 0;
}

.hint { color: #666; font-size: 0.9rem; margin: 0; }

label {
  display: block;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--blue);
  margin: 12px 0 4px;
}

input {
  width: 100%;
  padding: 12px 14px;
  font-size: 1.1rem;
  border: 2px solid #ccc;
  border-radius: 10px;
}

input:focus {
  outline: none;
  border-color: var(--gold);
}

.estimate { margin: 16px 0 4px; }

.fine {
  font-size: 0.8rem;
  color: #777;
  margin: 4px 0 0;
}

.btn {
  width: 100%;
  padding: 14px;
  font-size: 1.05rem;
  font-weight: 700;
  border-radius: 999px;
  border: 2px solid var(--blue);
  cursor: pointer;
  margin-top: 16px;
}

.btn.primary {
  background: var(--gold);
  color: #1b2a3c;
}

.btn.primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn.secondary {
  background: #fff;
  color: var(--blue);
}

.hidden { display: none !important; }

.meter {
  text-align: center;
  padding: 20px 0;
}

.meter-val {
  font-size: 3rem;
  font-weight: 800;
  color: var(--blue);
}

.meter-unit {
  display: block;
  color: #666;
}

footer {
  text-align: center;
  font-size: 0.85rem;
  color: #666;
  margin-top: 24px;
}

.status-busy { color: var(--red); }
.status-ready { color: var(--green); }

.tabs {
  display: flex;
  gap: 8px;
  margin: 12px 0;
}

.tab {
  flex: 1;
  padding: 10px;
  border: 2px solid var(--blue);
  border-radius: 999px;
  background: #fff;
  font-weight: 700;
  cursor: pointer;
}

.tab.active {
  background: var(--blue);
  color: #fff;
}

select {
  width: 100%;
  padding: 12px 14px;
  font-size: 1rem;
  border: 2px solid #ccc;
  border-radius: 10px;
  background: #fff;
}

.account-bar { margin: 0; }

.btn.link {
  background: transparent;
  border: none;
  color: var(--blue);
  text-decoration: underline;
  margin-top: 8px;
  font-size: 0.9rem;
}