/* ============================================================
   Custom Styles
   Mobile-first, minimal overrides on top of Pico CSS.
   No JavaScript required — conditional sections use CSS only.
   ============================================================ */

/* Language switcher */
.lang-switcher {
  text-align: right;
  font-size: 0.85rem;
  margin-bottom: var(--pico-spacing);
}

/* Conditional sections: hidden by default */
.section-ride,
.section-food {
  display: none;
}

/* Show ride section when a ride-type radio is checked.
   Requires radio inputs to be siblings of the section divs. */
#type-school:checked ~ .section-ride,
#type-work:checked ~ .section-ride,
#type-medical_legal:checked ~ .section-ride,
#type-other:checked ~ .section-ride {
  display: block;
}

/* Show food section when food radio is checked */
#type-food:checked ~ .section-food {
  display: block;
}

/* Radio inputs are visually hidden but accessible.
   Labels act as the clickable element. */
.radio-cards {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.radio-cards input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.radio-cards label {
  display: block;
  padding: 0.75rem 1rem;
  border: 2px solid var(--pico-form-element-border-color);
  border-radius: var(--pico-border-radius);
  cursor: pointer;
  font-weight: normal;
  transition: border-color 0.15s, background-color 0.15s;
}

.radio-cards input[type="radio"]:checked + label {
  border-color: var(--pico-primary);
  background-color: var(--pico-primary-background);
  font-weight: bold;
}

.radio-cards input[type="radio"]:focus + label {
  outline: 3px solid var(--pico-primary-focus);
}

/* Error messages */
.field-error {
  color: var(--pico-del-color);
  font-size: 0.85rem;
  margin-top: -0.75rem;
  margin-bottom: 0.5rem;
}

.form-error-banner {
  background: var(--pico-del-color);
  color: white;
  padding: var(--pico-spacing);
  border-radius: var(--pico-border-radius);
  margin-bottom: var(--pico-spacing);
}

/* Receipt page */
.receipt-number {
  font-size: 3rem;
  font-weight: bold;
  text-align: center;
  letter-spacing: 0.1em;
  color: var(--pico-primary);
  padding: 1rem;
}

.receipt-box {
  border: 2px solid var(--pico-primary);
  border-radius: var(--pico-border-radius);
  padding: 2rem;
  text-align: center;
  margin: 2rem auto;
  max-width: 400px;
}

/* Instruction block at top of form */
.instructions {
  background: var(--pico-card-background-color);
  border-left: 4px solid var(--pico-primary);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
  border-radius: 0 var(--pico-border-radius) var(--pico-border-radius) 0;
}