/* CalcMango Walking Calorie Calculator — clean, mobile-first, no external assets. */
.cm-walk {
  max-width: 660px;
  margin: 0 auto;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #1f2937;
  line-height: 1.5;
  box-sizing: border-box;
}
.cm-walk *, .cm-walk *::before, .cm-walk *::after { box-sizing: inherit; }

.cm-walk-units {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
}
.cm-walk-unit-btn {
  flex: 1;
  padding: 10px 12px;
  border: 2px solid #d1d5db;
  border-radius: 10px;
  background: #fff;
  color: #374151;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.cm-walk-unit-btn.is-active {
  border-color: #0B1220;
  background: #0B1220;
  color: #22D3EE;
}

.cm-walk-fieldset {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 16px;
  margin: 0 0 16px;
}
.cm-walk-fieldset legend {
  font-weight: 700;
  font-size: 16px;
  padding: 0 6px;
}
.cm-walk-row { margin-bottom: 12px; }
.cm-walk-row:last-child { margin-bottom: 0; }
.cm-walk-label {
  display: block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.cm-walk input[type="number"] {
  width: 100%;
  padding: 11px 12px;
  border: 1.5px solid #d1d5db;
  border-radius: 8px;
  font-size: 16px;
  background: #fff;
  color: #111827;
}
.cm-walk input[type="number"]:focus {
  outline: none;
  border-color: #22D3EE;
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.25);
}
.cm-walk-duration-row .cm-walk-inline {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 48%;
  font-size: 15px;
}
.cm-walk-duration-row .cm-walk-inline + .cm-walk-inline { margin-left: 3%; }
.cm-walk-duration-row input[type="number"] { width: 60%; }

.cm-walk-submit {
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: 10px;
  background: #0B1220;
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
}
.cm-walk-submit:hover { background: #1e293b; }

.cm-walk-errors {
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: 10px;
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #991b1b;
  font-size: 14px;
}
.cm-walk-errors p { margin: 4px 0; }

.cm-walk-results { margin-top: 24px; }
.cm-walk-results-title {
  font-size: 20px;
  margin: 0 0 12px;
}
.cm-walk-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.cm-walk-card {
  border: 1px solid #e5e7eb;
  border-radius: 12px;
  padding: 14px;
  background: #f9fafb;
}
.cm-walk-card-main {
  grid-column: 1 / -1;
  background: #0B1220;
  border-color: #0B1220;
  color: #fff;
  text-align: center;
}
.cm-walk-card-main .cm-walk-card-value { color: #22D3EE; }
.cm-walk-card-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  opacity: 0.85;
  margin-bottom: 4px;
}
.cm-walk-card-value {
  font-size: 22px;
  font-weight: 800;
}
.cm-walk-card-value small {
  font-size: 13px;
  font-weight: 600;
}
.cm-walk-card-main .cm-walk-card-value { font-size: 30px; }
.cm-walk-note {
  font-size: 13px;
  color: #6b7280;
  margin-top: 14px;
}

@media (max-width: 480px) {
  .cm-walk-cards { grid-template-columns: 1fr; }
  .cm-walk-card-main { grid-column: auto; }
}