* { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #ECEFF1;
  --card: #FFFFFF;
  --card2: #F3F5F7;
  --border: #DDE3E7;
  --accent: #1565C0;
  --accent-dark: #0D47A1;
  --accent-tint: #E3F2FD;
  --highlight: #FFC107;
  --highlight-tint: #FFF8E1;
  --green: #00C853;
  --green-dark: #1B5E20;
  --green-tint: #E8F5E9;
  --red: #E53935;
  --red-dark: #B71C1C;
  --red-tint: #FDECEA;
  --text: #263238;
  --muted: #66798A;
  --radius: 16px;
}
* { -webkit-tap-highlight-color: transparent; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}
header {
  background: linear-gradient(135deg, #FFFFFF, #E3F2FD);
  border-bottom: 2px solid var(--accent);
  padding: 16px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
header h1 { font-size: 1.35rem; color: var(--text); letter-spacing: -.01em; }
header h1 span { color: var(--accent); }
.brand { display: flex; align-items: center; gap: 10px; }
.brand svg, .brand img { display: block; flex-shrink: 0; }
header a { color: var(--muted); text-decoration: none; font-size: .88rem; transition: color .15s; }
header a:hover { color: var(--accent); }

main { max-width: 640px; margin: 0 auto; padding: 32px 20px 64px; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  padding: 28px 26px;
  margin-bottom: 20px;
  box-shadow: 0 1px 3px rgba(38,50,56,.06), 0 8px 24px rgba(38,50,56,.06);
  border: 1px solid var(--border);
}

h2 { font-size: 1.2rem; font-weight: 700; margin-bottom: 16px; color: var(--text); letter-spacing: -.01em; }
h2 + .muted { margin-top: -10px; margin-bottom: 20px; }

label { display: block; font-size: .82rem; font-weight: 600; color: var(--muted); margin: 20px 0 7px; letter-spacing: .01em; }
label:first-child { margin-top: 0; }

input, textarea, select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--card2);
  color: var(--text);
  font-size: .97rem;
  font-family: inherit;
  transition: border-color .15s, box-shadow .15s, background .15s;
}
input::placeholder, textarea::placeholder { color: #9AAAB4; }
input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--card);
  box-shadow: 0 0 0 3px var(--accent-tint);
}
textarea { resize: vertical; min-height: 64px; }

.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-top: 6px; }
.service-btn {
  background: var(--card2);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 8px;
  text-align: center;
  cursor: pointer;
  color: var(--text);
  font-weight: 600;
  font-size: .92rem;
  transition: border-color .15s, background .15s, transform .1s;
}
.service-btn .icon { font-size: 1.9rem; display: block; margin-bottom: 8px; line-height: 1; }
.service-btn.selected { border-color: var(--accent); background: var(--accent-tint); color: var(--accent-dark); }
.service-btn:hover { border-color: var(--accent); transform: translateY(-1px); }
.service-btn:active { transform: translateY(0); }

button { font-family: inherit; }
button.primary {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  letter-spacing: .01em;
  transition: background .15s, box-shadow .15s, transform .1s;
  box-shadow: 0 2px 8px rgba(21,101,192,.25);
}
button.primary:hover { background: var(--accent-dark); box-shadow: 0 4px 14px rgba(21,101,192,.3); }
button.primary:active { transform: translateY(1px); }
button.primary:disabled { opacity: .5; cursor: not-allowed; box-shadow: none; }
button.small {
  padding: 10px 18px;
  border: none;
  border-radius: 10px;
  background: var(--green);
  color: #fff;
  font-weight: 600;
  font-size: .92rem;
  cursor: pointer;
  transition: filter .15s, transform .1s;
}
button.small:hover { filter: brightness(1.08); }
button.small:active { transform: translateY(1px); }
button.ghost { background: transparent; border: 1.5px solid var(--border); color: var(--muted); }
button.ghost:hover { border-color: var(--accent); color: var(--accent); }

.offer, .req-item {
  background: var(--card2);
  border-radius: var(--radius);
  padding: 16px 18px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  border: 1px solid var(--border);
}
.offer-info { flex: 1; min-width: 200px; }
.offer-info .name { font-weight: 700; }
.offer-info .meta { font-size: .82rem; color: var(--muted); margin-top: 4px; line-height: 1.5; }
.price { font-size: 1.25rem; font-weight: 800; color: var(--accent); white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 4px 11px;
  border-radius: 99px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .01em;
}
.badge.taxi { background: var(--highlight-tint); color: #8A6100; }
.badge.moto { background: var(--accent-tint); color: var(--accent-dark); }
.badge.acarreo { background: var(--green-tint); color: var(--green-dark); }
.badge.accepted { background: var(--green-tint); color: var(--green-dark); }
.badge.pending { background: var(--card2); color: var(--muted); }
.badge.rejected { background: var(--red-tint); color: var(--red-dark); }

.muted { color: var(--muted); font-size: .9rem; }
.center { text-align: center; }

.spinner {
  display: inline-block; width: 22px; height: 22px;
  border: 3px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; vertical-align: middle; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

.success-box {
  border: 2px solid var(--green);
  border-radius: var(--radius);
  padding: 20px;
  background: var(--green-tint);
}
.error-msg { color: var(--red-dark); margin-top: 10px; font-size: .88rem; font-weight: 500; }
.hidden { display: none; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 480px) { .row2 { grid-template-columns: 1fr; } }