:root {
  --bg: #0b1628;
  --bg-card: #12213a;
  --bg-card-hover: #162844;
  --border: #20324f;
  --primary: #00e676;
  --primary-soft: rgba(0, 230, 118, 0.1);
  --text: #e6eefc;
  --text-muted: #9fb3d1;
  --danger: #ff5252;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, sans-serif;
  background: linear-gradient(180deg, #08101e 0%, #0b1628 100%);
  color: var(--text);
}

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  background: rgba(11, 22, 40, 0.9);
  backdrop-filter: blur(6px);
}

.brand h1 {
  margin: 0;
  font-size: 20px;
}

.sub {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.btn {
  border: 1px solid var(--border);
  background: #142544;
  color: var(--text);
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  transition: 0.2s;
}

.btn:hover {
  background: #1a3158;
}

.btn.active {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}

.wrap {
  max-width: 900px;
  margin: auto;
  padding: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px;
}

.card h2 {
  margin-top: 0;
}

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

.it {
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-top: 12px;
  padding: 14px;
  background: #0d1c33;
  cursor: pointer;
  transition: 0.2s;
}

.it:hover {
  background: var(--bg-card-hover);
}

.sig {
  font-weight: bold;
  color: var(--primary);
  font-size: 16px;
}

.meta {
  font-size: 13px;
  margin-top: 4px;
  color: var(--text-muted);
}

.legs {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
}

.leg {
  margin-top: 6px;
  font-size: 13px;
}

.leg .route {
  color: var(--primary);
  font-weight: bold;
}

.leg .time {
  color: #90caf9;
}

.noopt {
  margin-top: 10px;
  color: var(--text-muted);
}

/* Mobile */

@media (max-width: 700px) {

  .top {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .controls {
    width: 100%;
  }

  .btn {
    flex: 1;
    text-align: center;
  }

  .wrap {
    padding: 10px;
  }

  .card {
    padding: 14px;
  }

}