/* ============================================
   NBM EDU KONCEPT – CHECKOUT PAGE
   ============================================ */

#checkoutForm,
#eventRegisterForm {
  max-width: none;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
}

/* ── Section base ─────────────────────────── */
.co-hero,
.co-main,
.co-empty {
  font-family: 'Montserrat', sans-serif;
  color: var(--nbm-text);
  line-height: 1.6;
}

/* ── Container ────────────────────────────── */
.co-hero .container,
.co-main .container,
.co-empty .container {
  max-width: var(--page-content-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   HERO
   ============================================ */
.co-hero {
  background: var(--nbm-white);
  padding: 80px 0 48px;
  text-align: center;
}

.co-page-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 4vw, 2.75rem);
  font-weight: 600;
  color: var(--nbm-indigo);
  margin: 0 0 1.25rem;
  line-height: 1.2;
}

.co-divider {
  width: 72px;
  height: 3px;
  background: var(--nbm-indigo);
  border-radius: 2px;
  margin: 0 auto;
}

/* ============================================
   EMPTY STATE
   ============================================ */
.co-empty {
  background: var(--nbm-bg-alt);
  padding: 80px 0 100px;
}

.co-empty-inner {
  text-align: center;
  max-width: 380px;
  margin: 0 auto;
}

.co-empty-inner i {
  font-size: 3rem;
  color: var(--nbm-indigo);
  opacity: 0.2;
  display: block;
  margin-bottom: 1.25rem;
}

.co-empty-inner p {
  font-size: 1.05rem;
  color: var(--nbm-muted);
  margin: 0 0 1.75rem;
}

/* ============================================
   MAIN SECTION
   ============================================ */
.co-main {
  background: var(--nbm-bg-alt);
  padding: 48px 0 100px;
}

/* ============================================
   STEPPER
   ============================================ */
.co-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 44px;
}

.co-step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  cursor: default;
  flex-shrink: 0;
}

.co-step-item.is-done {
  cursor: pointer;
}

.co-step-num {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 2px solid var(--nbm-border);
  background: var(--nbm-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--nbm-muted);
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
  font-family: 'Montserrat', sans-serif;
}

.co-step-num-check {
  display: none;
  font-size: 0.8rem;
}

.co-step-item.is-active .co-step-num {
  background: var(--nbm-indigo);
  border-color: var(--nbm-indigo);
  color: var(--nbm-white);
}

.co-step-item.is-done .co-step-num {
  background: var(--nbm-indigo);
  border-color: var(--nbm-indigo);
  color: var(--nbm-white);
}

.co-step-item.is-done .co-step-num-text {
  display: none;
}

.co-step-item.is-done .co-step-num-check {
  display: block;
}

.co-step-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--nbm-muted);
  text-align: center;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  white-space: nowrap;
}

.co-step-item.is-active .co-step-label {
  color: var(--nbm-indigo);
}

.co-step-item.is-done .co-step-label {
  color: var(--nbm-indigo);
  opacity: 0.65;
}

.co-step-connector {
  flex: 1;
  height: 2px;
  background: var(--nbm-border);
  min-width: 28px;
  max-width: 80px;
  margin-bottom: 22px;
  transition: background 0.25s ease;
}

.co-step-connector.is-done {
  background: var(--nbm-indigo);
  opacity: 0.35;
}

/* ============================================
   STEP SECTIONS
   ============================================ */
.co-step {
  display: none;
}

.co-step.is-active {
  display: block;
}

.co-step-inner {
  max-width: 860px;
  margin: 0 auto;
}

.co-step-heading {
  font-family: 'Playfair Display', serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  margin: 0 0 1.5rem;
}

.co-step-desc {
  color: var(--nbm-muted);
  margin: -0.75rem 0 1.25rem;
  font-size: 0.9375rem;
}

.co-step-error {
  background: #fff0f0;
  border: 1px solid #fca5a5;
  border-radius: 8px;
  padding: 0.625rem 0.875rem;
  color: var(--nbm-danger);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

/* ============================================
   GENERIC CARD
   ============================================ */
.co-card {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.5rem 1.625rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

.co-card-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 1.125rem;
}

/* ============================================
   ITEM GROUPS (Step 1)
   ============================================ */
.co-group {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
  overflow: hidden;
}

.co-group-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.75rem 1.375rem;
  border-bottom: 1px solid var(--nbm-border);
  background: var(--nbm-bg-alt);
}

.co-group-header i {
  color: var(--nbm-indigo);
  opacity: 0.6;
  font-size: 0.875rem;
  flex-shrink: 0;
}

.co-group-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0;
}

/* ============================================
   ITEM CARDS
   ============================================ */
.co-item-card {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.125rem 1.375rem;
  border-bottom: 1px solid var(--nbm-border-lt);
  align-items: flex-start;
}

.co-item-card:last-child {
  border-bottom: none;
}

/* Image */
.co-item-img-wrap {
  flex-shrink: 0;
  width: 72px;
  height: 72px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--nbm-bg-alt);
  border: 1px solid var(--nbm-border);
  display: flex;
  align-items: center;
  justify-content: center;
}

.co-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.co-item-img-placeholder {
  font-size: 1.375rem;
  color: var(--nbm-muted);
  opacity: 0.3;
}

/* Body */
.co-item-body {
  flex: 1;
  min-width: 0;
}

.co-item-title {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  line-height: 1.3;
  margin-bottom: 0.3rem;
}

.co-item-variant {
  font-size: 0.8125rem;
  color: var(--nbm-muted);
  font-style: italic;
  margin-bottom: 0.3rem;
}

.co-item-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.2rem 0.75rem;
  margin-top: 0.35rem;
}

.co-item-meta-row {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8rem;
  color: var(--nbm-muted);
}

.co-item-meta-row i {
  color: var(--nbm-indigo);
  opacity: 0.5;
  width: 12px;
  text-align: center;
  flex-shrink: 0;
}

.co-item-qty-row {
  margin-top: 0.5rem;
  font-size: 0.8125rem;
  color: var(--nbm-muted);
}

/* Pricing */
.co-item-pricing {
  flex-shrink: 0;
  text-align: right;
  min-width: 108px;
}

.co-item-unit-price {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  margin-bottom: 0.2rem;
}

.co-item-subtotal-val {
  display: block;
  font-size: 1rem;
  font-weight: 700;
  color: var(--nbm-indigo);
}

.co-item-discount-row {
  margin-top: 0.25rem;
}

.co-item-discount-val {
  font-size: 0.8125rem;
  color: var(--nbm-success);
  font-weight: 600;
}

.co-item-vat {
  margin-top: 0.3rem;
  font-size: 0.73rem;
  color: var(--nbm-muted);
  line-height: 1.45;
}

/* ============================================
   INLINE ATTENDEE SECTION (inside item card)
   ============================================ */
.co-item-card-attendees {
  flex-basis: 100%;
  width: 100%;
  border-top: 1px solid var(--nbm-border-lt);
  padding-top: 0.875rem;
  margin-top: 0.125rem;
}

.co-attendee-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.co-attendee-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================
   DISCOUNT CODE (Step 1)
   ============================================ */
.co-discount-wrap {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

.co-discount-heading {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.75rem;
}

.co-discount-row {
  display: flex;
  gap: 0.5rem;
}

.co-discount-input {
  flex: 1;
  padding: 0.625rem 0.875rem;
  border: 1.5px solid var(--nbm-border);
  border-radius: 9px;
  font-size: 0.9375rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--nbm-indigo);
  background: var(--nbm-white);
  text-transform: uppercase;
  outline: none;
  transition: border-color 0.2s;
  box-sizing: border-box;
  width: 100%;
  max-width: none;
}

.co-discount-input:focus {
  border-color: var(--nbm-indigo);
}

.co-discount-apply-btn {
  padding: 0.625rem 1.25rem;
  background: var(--nbm-indigo);
  color: var(--nbm-white);
  border: none;
  border-radius: 9px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.2s;
}

.co-discount-apply-btn:hover {
  background: var(--nbm-indigo-dk);
}

.co-discount-apply-btn:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.co-discount-msg {
  font-size: 0.85rem;
  min-height: 1.2em;
  margin: 0.5rem 0 0;
}

/* ============================================
   ORDER TOTAL PANEL (Step 1)
   ============================================ */
.co-total-panel {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.375rem 1.625rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

.co-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0.475rem 0;
  font-size: 0.9375rem;
}

.co-total-row + .co-total-row {
  border-top: 1px solid var(--nbm-border-lt);
}

.co-total-row span:first-child {
  color: var(--nbm-muted);
}

.co-total-row span:last-child {
  font-weight: 600;
  color: var(--nbm-text);
}

.co-total-row.is-discount span:first-child,
.co-total-row.is-discount span:last-child {
  color: var(--nbm-success);
}

.co-total-row.is-vat span:first-child {
  color: var(--nbm-muted);
  font-size: 0.85rem;
}

.co-total-row.is-vat span:last-child {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--nbm-muted);
}

.co-total-row.is-grand {
  border-top: 2px solid var(--nbm-border) !important;
  padding-top: 0.875rem;
  margin-top: 0.125rem;
}

.co-total-row.is-grand span:first-child {
  font-size: 1rem;
  font-weight: 700;
  color: var(--nbm-indigo);
}

.co-total-row.is-grand span:last-child {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--nbm-indigo);
}

.co-total-note {
  font-size: 0.8125rem;
  color: var(--nbm-muted);
  margin: 0.625rem 0 0;
}

/* ============================================
   STEP NAVIGATION
   ============================================ */
.co-step-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--nbm-border-lt);
}

.co-btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  color: var(--nbm-indigo);
  border: 2px solid var(--nbm-indigo);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.co-btn-back:hover {
  background: var(--nbm-indigo);
  color: var(--nbm-white);
}

.co-btn-continue {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  background: var(--nbm-indigo);
  color: var(--nbm-white);
  border: 2px solid var(--nbm-indigo);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.co-btn-continue:hover {
  background: var(--nbm-indigo-dk);
  border-color: var(--nbm-indigo-dk);
  transform: translateY(-1px);
}

#placeOrderBtn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 2.25rem;
  border-radius: 10px;
  font-family: 'Montserrat', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  background: var(--nbm-indigo);
  color: var(--nbm-white);
  border: 2px solid var(--nbm-indigo);
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

#placeOrderBtn:hover {
  background: var(--nbm-indigo-dk);
  border-color: var(--nbm-indigo-dk);
  transform: translateY(-1px);
}

#placeOrderBtn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ============================================
   FORM GROUPS
   ============================================ */
.co-form-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.co-form-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  letter-spacing: 0.02em;
}

.co-form-group input[type="text"],
.co-form-group input[type="email"],
.co-form-group input[type="tel"],
.co-form-group select {
  padding: 0.65rem 0.875rem;
  border: 1.5px solid var(--nbm-border);
  border-radius: 9px;
  font-size: 0.9375rem;
  font-family: 'Montserrat', sans-serif;
  color: var(--nbm-text);
  background: var(--nbm-white);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 100%;
  box-sizing: border-box;
  max-width: none;
  margin: 0;
}

.co-form-group input:focus,
.co-form-group select:focus {
  border-color: var(--nbm-indigo);
  box-shadow: 0 0 0 3px rgba(32, 43, 82, 0.07);
}

.co-form-grid {
  display: grid;
  gap: 0.875rem;
  margin-bottom: 0.875rem;
}

.co-form-grid--2 {
  grid-template-columns: 1fr 1fr;
}

.co-form-grid--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.co-form-grid--last-wide {
  grid-template-columns: 1fr 1fr;
}

.co-form-single {
  margin-bottom: 0.875rem;
}

/* ============================================
   REGISTRANT GROUPS (Step 2)
   ============================================ */
.co-reg-group {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.25rem 1.375rem;
  margin-bottom: 1.125rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

.co-reg-group-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
  padding-bottom: 0.875rem;
  border-bottom: 1px solid var(--nbm-border-lt);
}

.co-reg-event-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  margin: 0;
  flex: 1;
  min-width: 0;
}

.co-reg-event-date {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.attendee-seat-summary {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  font-style: italic;
  margin-left: auto;
  flex-shrink: 0;
}

.co-reg-row {
  background: var(--nbm-bg-alt);
  border: 1px solid var(--nbm-border);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  margin-bottom: 0.625rem;
}

.co-reg-fields {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0.75rem;
  align-items: end;
}

.co-reg-remove-wrap {
  display: flex;
  justify-content: flex-end;
  margin-top: 0.625rem;
}

.attendee-remove {
  font-size: 0.8rem;
  color: var(--nbm-danger);
  background: transparent;
  border: 1px solid #fca5a5;
  border-radius: 7px;
  padding: 0.3rem 0.75rem;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  transition: background 0.18s, border-color 0.18s;
}

.attendee-remove:hover {
  background: #fef2f2;
  border-color: var(--nbm-danger);
}

.attendee-remove:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.attendee-add {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  background: transparent;
  border: 1.5px dashed var(--nbm-indigo);
  border-radius: 9px;
  padding: 0.5rem 1rem;
  cursor: pointer;
  font-family: 'Montserrat', sans-serif;
  margin-top: 0.25rem;
  transition: background 0.18s;
}

.attendee-add:hover {
  background: rgba(32, 43, 82, 0.05);
}

/* ============================================
   CONTACT & ADDRESS (Step 3)
   ============================================ */
.co-company-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.5rem;
  margin-bottom: 0.75rem;
}

.co-company-field {
  font-size: 0.9375rem;
  color: var(--nbm-text);
}

.co-company-field strong {
  color: var(--nbm-indigo);
}

.co-company-note {
  font-size: 0.8125rem;
  color: var(--nbm-muted);
  margin: 0;
}

.co-same-as-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--nbm-text);
}

.co-same-as-wrap input[type="checkbox"] {
  width: 17px;
  height: 17px;
  max-width: none;
  margin: 0;
  cursor: pointer;
  accent-color: var(--nbm-indigo);
  flex-shrink: 0;
}

.co-account-tip {
  background: #e8f4fd;
  border-radius: 9px;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  margin-bottom: 1.25rem;
  color: #0c4a6e;
}

.co-account-tip a {
  color: var(--nbm-indigo);
  font-weight: 600;
}

/* ============================================
   PAYMENT (Step 4)
   ============================================ */
.co-payment-secure {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--nbm-muted);
  margin-bottom: 1.375rem;
}

.co-payment-secure i {
  color: var(--nbm-success);
  font-size: 0.9rem;
}

.co-saved-cards-label {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 0 0 0.875rem;
}

.co-payment-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1.375rem;
}

/* Each tile is a <label> wrapping a radio + body */
.co-payment-tile {
  display: block;
  cursor: pointer;
  position: relative;
}

.co-payment-tile input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.co-payment-tile-body {
  background: linear-gradient(135deg, #202B52 0%, #2d3f78 100%);
  color: var(--nbm-white);
  border-radius: 14px;
  padding: 1.125rem 1.375rem;
  width: 200px;
  min-height: 114px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 2.5px solid transparent;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 14px var(--nbm-shadow-md);
  position: relative;
  overflow: hidden;
}

.co-payment-tile-body::before {
  content: '';
  position: absolute;
  top: -20px;
  right: -20px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  pointer-events: none;
}

.co-payment-tile input:checked ~ .co-payment-tile-body,
.co-payment-tile input:checked + .co-payment-tile-body {
  border-color: var(--nbm-accent);
  box-shadow: 0 0 0 3px rgba(160, 196, 247, 0.4);
}

.co-payment-tile-brand {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  opacity: 0.9;
}

.co-payment-tile-number {
  font-size: 0.875rem;
  letter-spacing: 0.12em;
  opacity: 0.85;
  margin-top: 0.5rem;
}

.co-payment-tile-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.5rem;
}

.co-payment-tile-expiry {
  font-size: 0.75rem;
  opacity: 0.65;
}

.co-payment-tile-default-badge {
  font-size: 0.6rem;
  background: rgba(255, 255, 255, 0.18);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* New card tile */
.co-payment-tile--new .co-payment-tile-body {
  background: var(--nbm-white);
  color: var(--nbm-indigo);
  border: 2px dashed var(--nbm-border);
  box-shadow: none;
  align-items: center;
  justify-content: center;
  flex-direction: row;
  gap: 0.625rem;
}

.co-payment-tile--new .co-payment-tile-body::before {
  display: none;
}

.co-payment-tile--new input:checked ~ .co-payment-tile-body,
.co-payment-tile--new input:checked + .co-payment-tile-body {
  border-color: var(--nbm-indigo);
  border-style: solid;
  background: rgba(32, 43, 82, 0.04);
  box-shadow: 0 0 0 3px rgba(32, 43, 82, 0.08);
}

.co-payment-tile--new .co-tile-new-icon {
  font-size: 1.125rem;
  opacity: 0.65;
}

.co-payment-tile--new .co-tile-new-label {
  font-size: 0.875rem;
  font-weight: 600;
}

/* Card element */
.co-card-element-wrap {
  padding: 0.875rem 1rem;
  border: 1.5px solid var(--nbm-border);
  border-radius: 10px;
  background: var(--nbm-white);
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.co-card-element-wrap:focus-within {
  border-color: var(--nbm-indigo);
}

/* Save card */
.co-save-card-row {
  margin-bottom: 1rem;
}

.co-save-card-row label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-size: 0.9rem;
  color: var(--nbm-text);
}

.co-save-card-row input[type="checkbox"] {
  width: 17px;
  height: 17px;
  max-width: none;
  margin: 0;
  accent-color: var(--nbm-indigo);
}

/* Card errors */
#cardErrors {
  color: var(--nbm-danger);
  font-size: 0.875rem;
  min-height: 1.2em;
  margin-bottom: 0.5rem;
}

/* No gateway */
.co-no-gateway {
  background: #f0f7ff;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  color: var(--nbm-text);
  font-size: 0.9rem;
}

/* Buttons override for submit */
button[type="submit"]#placeOrderBtn {
  background: var(--nbm-indigo);
  color: var(--nbm-white);
  padding: 0.9rem 2.25rem;
  border: 2px solid var(--nbm-indigo);
}

/* ============================================
   RESPONSIVE – 860px (tablet landscape)
   ============================================ */
@media (max-width: 860px) {
  .co-step-label {
    font-size: 0.65rem;
  }

  .co-step-connector {
    min-width: 16px;
    max-width: 48px;
  }

  .co-payment-tile-body {
    width: 180px;
  }
}

/* ============================================
   RESPONSIVE – 680px (tablet portrait)
   ============================================ */
@media (max-width: 680px) {
  .co-hero {
    padding: 60px 0 36px;
  }

  .co-main {
    padding: 32px 0 72px;
  }

  .co-hero .container,
  .co-main .container,
  .co-empty .container {
    padding: 0 16px;
  }

  .co-stepper {
    margin-bottom: 28px;
  }

  /* Hide labels on mobile stepper, show numbers only */
  .co-step-label {
    display: none;
  }

  .co-step-num {
    width: 36px;
    height: 36px;
    font-size: 0.8rem;
  }

  .co-step-connector {
    min-width: 10px;
    max-width: 28px;
    margin-bottom: 18px;
  }

  /* Item cards stack vertically on mobile */
  .co-item-card {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .co-item-pricing {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 1rem;
    width: 100%;
    min-width: auto;
  }

  .co-item-img-wrap {
    width: 60px;
    height: 60px;
  }

  /* Form grids collapse to single column */
  .co-form-grid--2,
  .co-form-grid--3,
  .co-form-grid--last-wide {
    grid-template-columns: 1fr;
  }

  /* Registrant fields */
  .co-reg-fields {
    grid-template-columns: 1fr 1fr;
  }

  /* Payment tiles stack */
  .co-payment-tiles {
    flex-direction: column;
  }

  .co-payment-tile-body {
    width: 100%;
  }

  /* Nav buttons stack on mobile */
  .co-step-nav {
    flex-direction: column-reverse;
    gap: 0.75rem;
  }

  .co-btn-back,
  .co-btn-continue,
  #placeOrderBtn {
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }
}

/* ============================================
   RESPONSIVE – 420px (small phones)
   ============================================ */
@media (max-width: 420px) {
  .co-page-title {
    font-size: 1.75rem;
  }

  .co-reg-fields {
    grid-template-columns: 1fr;
  }

  .co-item-img-wrap {
    display: none;
  }
}

/* ============================================
   STEP 1 – TOTAL NOTE (event lines caveat)
   ============================================ */
.co-step-total-note {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  font-style: italic;
  margin: 0.35rem 0 0;
  opacity: 0.8;
}

/* ============================================
   TOTAL PANEL LABEL (heading inside panel)
   ============================================ */
.co-total-panel-label {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.625rem;
}

/* ============================================
   REGISTRANT STEP – ORDER TOTAL PANEL
   ============================================ */
.co-reg-total-panel {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

/* Flash animation when attendees change */
@keyframes co-total-flash {
  0%   { background: var(--nbm-white); }
  25%  { background: #ecfdf5; }
  75%  { background: #ecfdf5; }
  100% { background: var(--nbm-white); }
}

.co-total-panel.is-flash,
.co-reg-total-panel.is-flash {
  animation: co-total-flash 0.55s ease;
}

/* Updated note (shown briefly after attendees change) */
.co-reg-updated-note {
  display: none;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--nbm-success);
  font-weight: 600;
  margin-top: 0.75rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--nbm-border-lt);
}

.co-reg-updated-note i {
  font-size: 0.875rem;
  flex-shrink: 0;
}

/* ============================================
   ORDER SUMMARY STEP – SECTION WRAPPER
   ============================================ */
.co-os-section {
  margin-bottom: 1.125rem;
}

.co-os-section-inner {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  padding: 1.25rem 1.5rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
}

/* Section title row */
.co-os-detail-title {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.co-os-detail-title i {
  color: var(--nbm-indigo);
  opacity: 0.55;
  font-size: 0.8rem;
}

/* Detail grid (contact/address) */
.co-os-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.375rem;
}

.co-os-detail-row {
  display: flex;
  gap: 0.75rem;
  font-size: 0.9rem;
  align-items: baseline;
}

.co-os-detail-row .co-os-muted {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  min-width: 72px;
  flex-shrink: 0;
}

.co-os-detail-row span:last-child {
  color: var(--nbm-text);
  font-weight: 500;
}

.co-os-muted {
  color: var(--nbm-muted);
}

/* ============================================
   ORDER SUMMARY – PRODUCT GROUPS
   ============================================ */
.co-os-group {
  background: var(--nbm-white);
  border: 1px solid var(--nbm-border);
  border-radius: 14px;
  margin-bottom: 0.75rem;
  box-shadow: 0 2px 8px var(--nbm-shadow);
  overflow: hidden;
}

.co-os-group-header {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.625rem 1.25rem;
  border-bottom: 1px solid var(--nbm-border);
  background: var(--nbm-bg-alt);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.co-os-group-header i {
  color: var(--nbm-indigo);
  opacity: 0.55;
  font-size: 0.8rem;
  flex-shrink: 0;
}

/* ============================================
   ORDER SUMMARY – REGISTRANT BLOCKS
   ============================================ */
.co-os-reg-block {
  padding: 0;
  border-bottom: 1px solid var(--nbm-border-lt);
}

.co-os-reg-block:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.co-os-reg-header {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  margin-bottom: 0.5rem;
}

.co-os-attendee {
  font-size: 0.875rem;
  color: var(--nbm-text);
  padding: 0.2rem 0;
}

.co-os-attendee .co-os-muted {
  font-size: 0.8rem;
}

.co-os-seat-count {
  margin: 0.25rem 0;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--nbm-indigo);
  opacity: 0.65;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================================
   ORDER SUMMARY – PAYMENT BADGE
   ============================================ */
.co-os-payment-badge {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-size: 0.9375rem;
}

.co-os-pm-brand {
  font-weight: 700;
  color: var(--nbm-indigo);
  text-transform: capitalize;
}

.co-os-pm-number {
  color: var(--nbm-text);
  letter-spacing: 0.08em;
}

.co-os-pm-expiry {
  font-size: 0.8125rem;
  color: var(--nbm-muted);
}

.co-os-payment-new {
  font-size: 0.9375rem;
  color: var(--nbm-indigo);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.co-os-payment-new i {
  opacity: 0.65;
}

/* ============================================
   ORDER SUMMARY – DISCOUNT SECTION
   ============================================ */
.co-os-discount-body {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-top: 0.5rem;
}

.co-os-discount-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--nbm-text);
}

.co-os-discount-amount {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--nbm-success, #2e7d32);
}

.co-os-discount-edit {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  text-decoration: underline;
  text-decoration-color: transparent;
  transition: text-decoration-color 0.2s;
}

.co-os-discount-edit:hover {
  text-decoration-color: var(--nbm-indigo);
}

/* ============================================
   RESPONSIVE ADDITIONS
   ============================================ */
@media (max-width: 680px) {
  .co-os-detail-row {
    flex-direction: column;
    gap: 0.1rem;
  }

  .co-os-detail-row .co-os-muted {
    min-width: auto;
    font-size: 0.73rem;
  }

  .co-os-payment-badge {
    flex-wrap: wrap;
  }
}

/* ============================================
   ORDER TOTAL – DETAILED ITEM ROWS
   ============================================ */
.co-total-items-wrap {
  /* items separated by light rule; bottom margin before aggregate */
  margin-bottom: 0;
}

.co-total-item-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.875rem 0;
  border-bottom: 1px solid var(--nbm-border-lt);
}

.co-total-item-row:first-child {
  padding-top: 0;
}

.co-total-item-row:last-child {
  border-bottom: none;
  padding-bottom: 0.5rem;
}

/* Info column */
.co-total-item-info {
  flex: 1;
  min-width: 0;
}

.co-total-item-name {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--nbm-indigo);
  line-height: 1.3;
  margin-bottom: 0.2rem;
}

.co-total-item-variant {
  font-size: 0.8rem;
  color: var(--nbm-muted);
  font-style: italic;
  margin-bottom: 0.2rem;
}

/* Event meta inside the panel row */
.co-total-item-row .co-item-meta {
  margin-top: 0.3rem;
  margin-bottom: 0.35rem;
}

/* Attendee list (Step 2 + Final) */
.co-total-item-attendees {
  margin: 0.35rem 0;
}

.co-total-item-attendee {
  font-size: 0.8rem;
  color: var(--nbm-text);
  padding: 0.125rem 0;
  line-height: 1.4;
}

.co-total-item-attendee .co-os-muted {
  font-size: 0.78rem;
}

/* Tags (qty pill + VAT pill) */
.co-total-item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.35rem;
}

.co-total-item-qty-tag,
.co-total-item-vat-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 5px;
  letter-spacing: 0.025em;
  line-height: 1.5;
}

.co-total-item-qty-tag {
  background: rgba(32, 43, 82, 0.08);
  color: var(--nbm-indigo);
}

.co-total-item-vat-tag {
  background: transparent;
  color: var(--nbm-muted);
  border: 1px solid var(--nbm-border);
}

/* Pricing column */
.co-total-item-pricing {
  flex-shrink: 0;
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.15rem;
  padding-top: 0.1rem;
}

.co-total-item-unit {
  font-size: 0.775rem;
  color: var(--nbm-muted);
}

.co-total-item-sub {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--nbm-indigo);
}

.co-total-item-disc {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--nbm-success);
}

/* ============================================
   ORDER TOTAL – AGGREGATE ROWS SEPARATOR
   ============================================ */
.co-total-agg-wrap {
  border-top: 1px solid var(--nbm-border);
  padding-top: 0.125rem;
  margin-top: 0.25rem;
}

/* ============================================
   RESPONSIVE – item rows on small screens
   ============================================ */
@media (max-width: 420px) {
  .co-total-item-row {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .co-total-item-pricing {
    width: 100%;
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    text-align: left;
    gap: 0.75rem;
    flex-wrap: wrap;
  }
}