/* =============================================
   VALT Academy — Registration Form Styles
   ============================================= */

.register-section {
  background: linear-gradient(135deg, #0a2342 0%, #0d3060 50%, #0a2342 100%);
  min-height: 100vh;
  padding: 60px 0 80px;
}

.register-card {
  background: #fff;
  border-radius: 18px;
  box-shadow: 0 24px 64px rgba(10,35,66,0.22);
  overflow: hidden;
}

/* --- Step Indicator --- */
.step-indicator {
  background: #f8fafc;
  border-bottom: 1px solid #eef1f5;
  padding: 28px 36px 0;
}

.step-indicator .steps {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  position: relative;
}

.step-indicator .steps::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 10%;
  width: 80%;
  height: 2px;
  background: #e0e6ef;
  z-index: 0;
}

.step-indicator .step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  z-index: 1;
  flex: 1;
}

.step-indicator .step-circle {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: #e0e6ef;
  color: #aab;
  font-size: 15px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px #e0e6ef;
}

.step-indicator .step-item.active .step-circle {
  background: #2a9d8f;
  color: #fff;
  box-shadow: 0 0 0 2px #2a9d8f;
}

.step-indicator .step-item.completed .step-circle {
  background: #0a2342;
  color: #fff;
  box-shadow: 0 0 0 2px #0a2342;
}

.step-indicator .step-label {
  font-size: 11px;
  font-weight: 600;
  color: #aab;
  margin-top: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  text-align: center;
}

.step-indicator .step-item.active .step-label {
  color: #2a9d8f;
}

.step-indicator .step-item.completed .step-label {
  color: #0a2342;
}

.step-indicator .progress-bar-wrap {
  height: 3px;
  background: #e0e6ef;
  margin-top: 20px;
  border-radius: 0;
}

.step-indicator .progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #2a9d8f, #0a2342);
  border-radius: 0;
  transition: width 0.4s ease;
}

/* --- Form Body --- */
.register-body {
  padding: 40px 48px 36px;
}

.register-body .section-title {
  margin-bottom: 32px;
}

.register-body .section-title h3 {
  color: #0a2342;
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
}

.register-body .section-title p {
  color: #7a8ba0;
  font-size: 14px;
  margin: 0;
}

/* --- Form Groups --- */
.reg-form-group {
  margin-bottom: 22px;
  position: relative;
}

.reg-form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #3a4a5c;
  margin-bottom: 7px;
  letter-spacing: 0.2px;
}

.reg-form-group label span.required {
  color: #e74c3c;
  margin-left: 2px;
}

.reg-form-group .reg-input,
.reg-form-group .reg-select {
  width: 100%;
  padding: 13px 16px;
  border: 1.5px solid #dde3ec;
  border-radius: 8px;
  font-size: 14px;
  color: #2c3e50;
  background: #fff;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.reg-form-group .reg-input:focus,
.reg-form-group .reg-select:focus {
  border-color: #2a9d8f;
  box-shadow: 0 0 0 3px rgba(42,157,143,0.12);
}

.reg-form-group .reg-input.is-valid,
.reg-form-group .reg-select.is-valid {
  border-color: #27ae60;
}

.reg-form-group .reg-input.is-invalid,
.reg-form-group .reg-select.is-invalid {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231,76,60,0.08);
}

.reg-form-group .field-error {
  font-size: 12px;
  color: #e74c3c;
  margin-top: 5px;
  display: none;
}

.reg-form-group .field-error.show {
  display: block;
}

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '\f107';
  font-family: 'FontAwesome';
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: #7a8ba0;
  pointer-events: none;
  font-size: 16px;
}

/* --- Checkbox Group --- */
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 4px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1.5px solid #dde3ec;
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 13px;
  color: #3a4a5c;
  font-weight: 500;
}

.checkbox-item input[type="checkbox"] {
  accent-color: #2a9d8f;
  width: 16px;
  height: 16px;
  cursor: pointer;
}

.checkbox-item:has(input:checked) {
  border-color: #2a9d8f;
  background: #f0faf9;
  color: #2a9d8f;
}

/* --- Navigation Buttons --- */
.form-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid #eef1f5;
}

.btn-reg-prev {
  padding: 12px 28px;
  border: 1.5px solid #dde3ec;
  background: transparent;
  color: #5a6a7a;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-reg-prev:hover {
  border-color: #0a2342;
  color: #0a2342;
}

.btn-reg-next,
.btn-reg-submit {
  padding: 13px 36px;
  background: #2a9d8f;
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: 0.3px;
}

.btn-reg-next:hover,
.btn-reg-submit:hover {
  background: #238577;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(42,157,143,0.3);
}

.btn-reg-submit {
  background: #0a2342;
}

.btn-reg-submit:hover {
  background: #0d2e55;
  box-shadow: 0 6px 18px rgba(10,35,66,0.3);
}

/* --- Step Panes --- */
.step-pane {
  display: none;
}

.step-pane.active {
  display: block;
  animation: fadeInUp 0.3s ease;
}

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

/* --- Password Strength --- */
.password-strength {
  margin-top: 6px;
  height: 4px;
  border-radius: 4px;
  background: #e0e6ef;
  overflow: hidden;
}

.strength-bar {
  height: 100%;
  width: 0;
  border-radius: 4px;
  transition: width 0.3s, background 0.3s;
}

/* --- Success Page --- */
.register-success {
  text-align: center;
  padding: 60px 40px;
}

.register-success .success-icon {
  width: 90px;
  height: 90px;
  background: linear-gradient(135deg, #2a9d8f, #0a2342);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 28px;
}

.register-success .success-icon i {
  font-size: 40px;
  color: #fff;
}

.register-success h2 {
  color: #0a2342;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}

.register-success p {
  color: #6a7a8c;
  font-size: 16px;
  line-height: 1.8;
  max-width: 440px;
  margin: 0 auto 20px;
}

.student-id-box {
  background: #f0faf9;
  border: 2px dashed #2a9d8f;
  border-radius: 10px;
  padding: 20px 30px;
  display: inline-block;
  margin: 20px auto;
}

.student-id-box .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #888;
  margin-bottom: 6px;
}

.student-id-box .sid {
  font-size: 30px;
  font-weight: 800;
  color: #0a2342;
  letter-spacing: 3px;
}

/* --- Server Errors --- */
.server-errors {
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: 8px;
  padding: 16px 20px;
  margin-bottom: 24px;
}

.server-errors p {
  color: #dc2626;
  margin: 0;
  font-size: 14px;
}

/* --- Nav Register Button --- */
.nav-register-btn {
  background: #2a9d8f !important;
  color: #fff !important;
  padding: 8px 20px !important;
  border-radius: 6px !important;
  font-weight: 600 !important;
  transition: background 0.2s !important;
}

.nav-register-btn:hover {
  background: #238577 !important;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .register-body { padding: 28px 24px 24px; }
  .checkbox-group { grid-template-columns: 1fr; }
  .step-indicator { padding: 20px 20px 0; }
  .step-label { display: none; }
}