/* ==========================================
   VANGUARD IMPACT ACADEMY
   REGISTRATION PORTAL
   Theme: Green, White and Red
   ========================================== */

:root {
  --via-green: #16A34A;
  --via-forest: #228B32;
  --via-red: #DC143C;
  --via-white: #FFFFFF;
  --via-text: #243329;
  --via-muted: #647067;
  --via-border: #D9E8DC;
  --via-light-green: #F1F9F2;
  --via-error: #B42318;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--via-text);
  background: var(--via-white);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  line-height: 1.6;
  background: var(--via-white);
}

/* HEADER AND LOGO */

header {
  background: var(--via-white);
  color: var(--via-green);
  text-align: center;
  padding: 28px 16px 24px;
  border-bottom: 4px solid var(--via-green);
}

.brand-logo {
  display: block;
  width: 110px;
  height: 110px;
  max-width: 45vw;
  object-fit: contain;
  margin: 0 auto 12px;
}

header h1 {
  margin: 4px 0;
  color: var(--via-green);
  font-family: Copperplate, "Copperplate Gothic Light", Georgia, serif;
  font-size: clamp(23px, 5vw, 36px);
  line-height: 1.3;
}

header p {
  margin: 8px 0 0;
  color: var(--via-forest);
  font-size: 15px;
}

/* PAGE LAYOUT */

main {
  width: min(94%, 760px);
  margin: 28px auto;
}

.intro,
form {
  background: var(--via-white);
  border: 1px solid var(--via-border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 5px 20px rgba(34, 139, 50, 0.07);
}

.intro {
  margin-bottom: 20px;
  border-top: 4px solid var(--via-green);
}

h2 {
  color: var(--via-green);
  line-height: 1.3;
  font-family: Copperplate, "Copperplate Gothic Light", Georgia, serif;
}

.intro h2 {
  margin-top: 0;
}

.notice {
  padding: 12px 14px;
  border-left: 3px solid var(--via-red);
  background: #FFF7F8;
  border-radius: 4px;
  font-size: 14px;
}

/* PROGRESS INDICATOR */

.progress {
  margin-bottom: 28px;
}

.progress-track {
  width: 100%;
  height: 9px;
  overflow: hidden;
  border-radius: 20px;
  background: #E7F0E8;
}

#progress-fill {
  width: 25%;
  height: 100%;
  border-radius: inherit;
  background: var(--via-green);
  transition: width 0.25s ease;
}

#step-counter {
  margin: 8px 0 0;
  color: var(--via-forest);
  font-size: 13px;
  font-weight: 700;
  text-align: right;
}

/* FORM FIELDS */

.form-step[hidden],
button[hidden] {
  display: none !important;
}

.form-step h2 {
  margin: 0 0 20px;
}

label {
  display: block;
  margin: 16px 0 6px;
  font-weight: 600;
  font-size: 14px;
}

input:not([type="checkbox"]),
select {
  display: block;
  width: 100%;
  min-height: 46px;
  padding: 11px 12px;
  border: 1px solid #C8D8CB;
  border-radius: 7px;
  background: var(--via-white);
  color: var(--via-text);
  font: inherit;
}

input[type="file"] {
  padding: 8px;
  font-size: 13px;
}

input:focus,
select:focus {
  outline: 2px solid rgba(22, 163, 74, 0.25);
  border-color: var(--via-green);
}

input:disabled,
select:disabled {
  background: #F3F5F3;
  cursor: not-allowed;
}

/* UTME SUBJECTS */

fieldset {
  margin: 24px 0;
  padding: 16px;
  border: 1px solid var(--via-border);
  border-radius: 10px;
  background: var(--via-white);
}

legend {
  padding: 0 8px;
  color: var(--via-green);
  font-weight: 700;
  font-size: 16px;
}

fieldset p {
  margin: 4px 0 14px;
  color: var(--via-muted);
  font-size: 13px;
}

.subject-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

fieldset label.subject-option {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  margin: 0;
  padding: 12px 10px;
  border: 1px solid var(--via-border);
  border-radius: 8px;
  background: var(--via-white);
  font-weight: 500;
  cursor: pointer;
}

.subject-option:has(input:checked) {
  border-color: var(--via-green);
  background: var(--via-light-green);
}

fieldset input[type="checkbox"],
.consent input[type="checkbox"] {
  appearance: auto;
  -webkit-appearance: checkbox;
  display: inline-block;
  width: 19px;
  height: 19px;
  min-height: 19px;
  flex: 0 0 19px;
  margin: 0;
  padding: 0;
  accent-color: var(--via-green);
  cursor: pointer;
}

/* CONSENT AND FINAL CONFIRMATION */

.consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin: 24px 0;
  font-weight: 400;
  line-height: 1.5;
}

.consent input[type="checkbox"] {
  margin-top: 4px;
}

.consent span {
  flex: 1;
}

.final-confirmation {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid var(--via-border);
  border-left: 4px solid var(--via-red);
  border-radius: 8px;
  background: #FFF9FA;
}

.final-confirmation p {
  margin-top: 0;
}

/* REVIEW DETAILS */

.review-details {
  margin: 20px 0;
}

.review-details dt {
  margin-top: 14px;
  color: var(--via-forest);
  font-size: 13px;
  font-weight: 700;
}

.review-details dd {
  margin: 4px 0 0;
  padding: 10px 12px;
  overflow-wrap: anywhere;
  border: 1px solid var(--via-border);
  border-radius: 6px;
  background: #FAFCFA;
}

/* ERRORS AND STATUS MESSAGES */

.field-error {
  color: var(--via-error);
  font-size: 13px;
  font-weight: 600;
}

#step-error:empty,
#subjects-error:empty {
  display: none;
}

#form-message {
  margin-top: 16px;
  font-weight: 600;
  overflow-wrap: anywhere;
}

#form-message:empty {
  display: none;
}

/* NAVIGATION BAR: BACK LEFT, NEXT RIGHT */

.navigation-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  margin-top: 28px;
  padding: 10px;
  border-radius: 9px;
  background: var(--via-green);
}

.navigation-bar button {
  width: auto;
  min-width: 115px;
  max-width: 48%;
  margin: 0;
}

.navigation-bar #back-button[hidden] {
  display: none !important;
}

.navigation-bar #next-button {
  margin-left: auto;
}

/* BUTTONS */

button {
  display: block;
  width: 100%;
  min-height: 48px;
  padding: 12px 18px;
  border: 0;
  border-radius: 7px;
  background: var(--via-green);
  color: var(--via-white);
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.15s ease;
}

button:hover {
  background: var(--via-forest);
}

button:active {
  transform: scale(0.99);
}

button:focus-visible {
  outline: 3px solid rgba(22, 163, 74, 0.35);
  outline-offset: 3px;
}

button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
  transform: none;
}

.secondary-button {
  border: 1px solid var(--via-white);
  background: var(--via-white);
  color: var(--via-green);
}

.secondary-button:hover {
  background: var(--via-light-green);
  color: var(--via-forest);
}

/* SUBMIT BUTTON BELOW NAVIGATION */

.submit-area {
  margin-top: 16px;
}

#submit-button {
  min-height: 52px;
  background: var(--via-red);
  color: var(--via-white);
}

#submit-button:hover {
  background: #B51232;
}

/* SMALL PRINT AND FOOTER */

.small-print {
  margin-top: 12px;
  color: var(--via-muted);
  font-size: 12px;
}

footer {
  margin-top: 36px;
  padding: 22px 16px;
  border-top: 1px solid var(--via-border);
  color: var(--via-forest);
  font-size: 13px;
  text-align: center;
}

footer p {
  margin: 0;
}

footer p::before {
  content: "";
  display: block;
  width: 48px;
  height: 3px;
  margin: 0 auto 12px;
  border-radius: 3px;
  background: var(--via-red);
}

/* MOBILE LAYOUT */

@media (max-width: 480px) {
  header {
    padding: 22px 14px;
  }

  .brand-logo {
    width: 92px;
    height: 92px;
  }

  main {
    width: 94%;
    margin: 16px auto;
  }

  .intro,
  form {
    padding: 18px;
    border-radius: 10px;
  }

  .subject-list {
    grid-template-columns: 1fr;
  }

  fieldset {
    padding: 12px;
  }

  .navigation-bar {
    gap: 8px;
    padding: 8px;
  }

  .navigation-bar button {
    min-width: 0;
    padding: 12px 10px;
    font-size: 14px;
  }
    }

/* RECEIPT LIST (add / remove receipts) */

.receipt-list {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.receipt-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--via-border);
  border-radius: 8px;
  background: var(--via-light-green);
}

.receipt-icon {
  flex: 0 0 auto;
  font-size: 20px;
}

.receipt-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.receipt-name {
  font-size: 14px;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.receipt-size {
  color: var(--via-muted);
  font-size: 12px;
}

button.receipt-remove {
  display: inline-block;
  flex: 0 0 auto;
  width: auto;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--via-red);
  border-radius: 6px;
  background: var(--via-white);
  color: var(--via-red);
  font-size: 13px;
}

button.receipt-remove:hover {
  background: #FFF0F2;
  color: #B51232;
}

.receipt-count {
  color: var(--via-forest);
  font-size: 13px;
  font-weight: 600;
}

.receipt-error:empty {
  display: none;
}