/* ============================================================
   Registration Form Styles
   Extends main.css design tokens (forest/gold/cream palette)
   ============================================================ */

.register-page {
  background: var(--cream-100);
  min-height: 100vh;
  padding: 140px 0 80px;
}

.register-header {
  text-align: center;
  margin-bottom: 48px;
}

.register-header .section-label {
  margin-left: auto;
  margin-right: auto;
}

/* ---------------- Step Progress ---------------- */
.form-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  max-width: 640px;
  margin: 0 auto 56px;
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  position: relative;
  flex: 1;
}

.progress-step-circle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--cream-50);
  border: 2px solid rgba(15, 46, 28, 0.15);
  color: var(--ink-500);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  z-index: 2;
}

.progress-step-label {
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink-500);
  text-align: center;
  white-space: nowrap;
}

.progress-step.active .progress-step-circle {
  background: var(--gold-500);
  border-color: var(--gold-500);
  color: var(--forest-950);
  box-shadow: 0 0 0 6px rgba(212, 160, 23, 0.15);
}

.progress-step.active .progress-step-label {
  color: var(--forest-800);
  font-weight: 600;
}

.progress-step.complete .progress-step-circle {
  background: var(--forest-600);
  border-color: var(--forest-600);
  color: var(--cream-50);
}

.progress-step::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: rgba(15, 46, 28, 0.12);
  z-index: 1;
}

.progress-step:last-child::after {
  display: none;
}

.progress-step.complete::after {
  background: var(--forest-600);
}

/* ---------------- Form Card ---------------- */
.form-shell {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

.form-card {
  background: var(--cream-50);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-deep);
  border: 1px solid rgba(15, 46, 28, 0.06);
  padding: 48px;
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--forest-600), var(--gold-500));
}

.form-step {
  display: none;
}

.form-step.active {
  display: block;
  animation: fadeSlideIn 0.4s ease;
}

@keyframes fadeSlideIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

.form-step-title {
  font-size: 1.5rem;
  color: var(--forest-900);
  margin-bottom: 6px;
}

.form-step-desc {
  font-size: 0.9rem;
  color: var(--ink-700);
  margin-bottom: 32px;
}

/* ---------------- Form Fields ---------------- */
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--forest-800);
  margin-bottom: 8px;
}

.form-group label .required {
  color: var(--danger);
  margin-left: 2px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink-900);
  background: var(--cream-50);
  border: 1.5px solid rgba(15, 46, 28, 0.15);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.12);
}

.form-control.field-error {
  border-color: var(--danger);
}

.form-control.field-error:focus {
  box-shadow: 0 0 0 4px rgba(161, 58, 44, 0.1);
}

select.form-control {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235c655c' stroke-width='1.6' fill='none' fill-rule='evenodd'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.field-hint {
  font-size: 0.78rem;
  color: var(--ink-500);
  margin-top: 6px;
}

.field-error-msg {
  font-size: 0.78rem;
  color: var(--danger);
  margin-top: 6px;
  display: none;
}

.field-error-msg.show {
  display: block;
}

/* Mobile + OTP */
.mobile-input-group {
  display: flex;
  gap: 10px;
}

.mobile-input-group .form-control {
  flex: 1;
}

.btn-otp {
  white-space: nowrap;
  padding: 13px 20px;
  font-size: 0.85rem;
  background: var(--forest-700);
  color: var(--cream-50);
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.2s ease;
}

.btn-otp:hover {
  background: var(--forest-800);
}

.btn-otp:disabled {
  background: var(--ink-500);
  cursor: not-allowed;
  opacity: 0.6;
}

.otp-box {
  display: none;
  margin-top: 16px;
  padding: 18px;
  background: var(--cream-100);
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(15, 46, 28, 0.2);
}

.otp-box.show {
  display: block;
}

.otp-inputs {
  display: flex;
  gap: 10px;
  margin: 12px 0;
}

.otp-digit {
  width: 44px;
  height: 52px;
  text-align: center;
  font-size: 1.3rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(15, 46, 28, 0.2);
}

.otp-digit:focus {
  outline: none;
  border-color: var(--gold-500);
  box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.12);
}

.otp-resend {
  font-size: 0.82rem;
  color: var(--ink-500);
}

.otp-resend a {
  color: var(--gold-600);
  font-weight: 600;
}

.verified-badge {
  display: none;
  align-items: center;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--success);
  font-weight: 600;
  margin-top: 8px;
}

.verified-badge.show {
  display: inline-flex;
}

/* ---------------- Upload Zone (signature element) ---------------- */
.upload-zone {
  border: 2px dashed rgba(45, 107, 66, 0.35);
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 20% 20%, rgba(212, 160, 23, 0.06), transparent 40%),
    var(--cream-100);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.15s ease;
  position: relative;
}

.upload-zone:hover {
  border-color: var(--gold-500);
  background: rgba(212, 160, 23, 0.05);
}

.upload-zone.drag-over {
  border-color: var(--gold-500);
  background: rgba(212, 160, 23, 0.1);
  transform: scale(1.01);
}

.upload-zone.has-file {
  border-style: solid;
  border-color: var(--forest-600);
  background: rgba(45, 107, 66, 0.04);
  cursor: default;
}

.upload-zone-icon {
  font-size: 2.4rem;
  margin-bottom: 14px;
  display: block;
}

.upload-zone-text {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--forest-800);
  margin-bottom: 6px;
}

.upload-zone-hint {
  font-size: 0.82rem;
  color: var(--ink-500);
}

.upload-zone input[type="file"] {
  display: none;
}

.upload-preview {
  display: none;
  align-items: center;
  gap: 16px;
  text-align: left;
  padding: 6px;
}

.upload-preview.show {
  display: flex;
}

.upload-preview-thumb {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: var(--forest-800);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--gold-300);
  overflow: hidden;
  flex-shrink: 0;
}

.upload-preview-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-preview-info {
  flex: 1;
  min-width: 0;
}

.upload-preview-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--ink-900);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.upload-preview-size {
  font-size: 0.78rem;
  color: var(--ink-500);
  margin-top: 2px;
}

.upload-replace-btn {
  background: none;
  border: 1.5px solid rgba(15, 46, 28, 0.2);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--forest-800);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.upload-replace-btn:hover {
  border-color: var(--forest-600);
  background: rgba(45, 107, 66, 0.05);
}

.upload-content.hidden-by-file {
  display: none;
}

/* ---------------- Review Summary (Step 3) ---------------- */
.review-summary {
  background: var(--cream-100);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 28px;
}

.review-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px solid rgba(15, 46, 28, 0.08);
  font-size: 0.9rem;
}

.review-row:last-child {
  border-bottom: none;
}

.review-label {
  color: var(--ink-500);
}

.review-value {
  color: var(--ink-900);
  font-weight: 600;
  text-align: right;
}

/* Declaration */
.declaration-box {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--cream-100);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 28px;
}

.declaration-box input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--forest-600);
  cursor: pointer;
  flex-shrink: 0;
}

.declaration-box label {
  font-size: 0.86rem;
  color: var(--ink-700);
  line-height: 1.55;
  cursor: pointer;
}

/* ---------------- Step Navigation ---------------- */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  gap: 16px;
}

.btn-back {
  background: none;
  border: 1.5px solid rgba(15, 46, 28, 0.15);
  color: var(--forest-800);
  padding: 14px 28px;
}

.btn-back:hover {
  border-color: var(--forest-600);
  background: rgba(45, 107, 66, 0.04);
}

.btn-back:disabled {
  opacity: 0;
  pointer-events: none;
}

/* ---------------- Success Screen ---------------- */
.success-screen {
  display: none;
  text-align: center;
  padding: 24px 0;
}

.success-screen.show {
  display: block;
  animation: fadeSlideIn 0.5s ease;
}

.success-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
}

.success-screen h2 {
  font-size: 1.8rem;
  color: var(--forest-900);
  margin-bottom: 12px;
}

.success-screen p {
  color: var(--ink-700);
  margin-bottom: 24px;
}

.registration-id-box {
  display: inline-flex;
  flex-direction: column;
  gap: 6px;
  background: var(--forest-900);
  color: var(--cream-50);
  padding: 20px 36px;
  border-radius: var(--radius-md);
  margin-bottom: 32px;
}

.registration-id-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--gold-400);
}

.registration-id-value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* ---------------- Responsive ---------------- */
@media (max-width: 720px) {
  .register-page {
    padding: 120px 0 60px;
  }

  .form-card {
    padding: 32px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .progress-step-label {
    display: none;
  }

  .mobile-input-group {
    flex-direction: column;
  }

  .otp-inputs {
    justify-content: center;
  }

  .upload-preview {
    flex-direction: column;
    text-align: center;
  }

  .upload-preview-name {
    white-space: normal;
  }

  .form-nav {
    flex-direction: column-reverse;
  }

  .form-nav .btn {
    width: 100%;
  }

  .btn-back:disabled {
    display: none;
  }
}