* { box-sizing: border-box; }
body {
  font-family: 'Segoe UI', Roboto, Arial, sans-serif;
  background: linear-gradient(135deg, #eaf4ff 0%, #fef9ef 100%);
  color: #2b3a4a;
  margin: 0;
  padding: 0 0 60px;
}
header {
  background: #1f6f78;
  color: #fff;
  padding: 24px 20px;
  text-align: center;
}
header h1 { margin: 0; font-size: 1.8rem; }
header p { margin: 6px 0 0; opacity: 0.9; }
main {
  max-width: 760px;
  margin: 30px auto;
  padding: 0 16px;
}
.card {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  padding: 20px 24px;
  margin-bottom: 20px;
}
h2 { margin-top: 0; color: #1f6f78; }
form label {
  display: block;
  font-weight: 600;
  margin: 12px 0 4px;
  font-size: 0.9rem;
}
form input, form textarea, form select {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid #cfd8dc;
  border-radius: 8px;
  font-size: 1rem;
}
form textarea { resize: vertical; min-height: 60px; }
.btn {
  display: inline-block;
  margin-top: 16px;
  background: #f2994a;
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: #d9822f; }
.btn-secondary { background: #607d8b; }
.btn-danger { background: #c0392b; }
.trip {
  border-left: 4px solid #1f6f78;
  padding: 12px 16px;
  margin-bottom: 14px;
  background: #f7fbfc;
  border-radius: 0 8px 8px 0;
}
.trip h3 { margin: 0 0 4px; color: #1f6f78; }
.trip .meta { font-size: 0.9rem; color: #55697a; margin-bottom: 6px; }
.trip .notas { font-size: 0.95rem; }
.trip .actions { margin-top: 8px; }
.trip .actions a, .trip .actions button {
  font-size: 0.85rem;
  margin-right: 8px;
}
.empty { text-align: center; color: #7a8a99; padding: 30px 0; }