/* =============================================================================
   LE LABO · Checkout V2 Editorial System
   Namespace: .checkout-flow-v2
   Inherits: subpage-layout.css unified system. Page-specific layouts here.
   ============================================================================= */

.checkout-flow-v2 {
  background: var(--color-bg);
  color: var(--color-text);
}

/* =============================================================================
   01. Checkout Hero — handled by subpage-layout.css `.cinematic-hero`
   ============================================================================= */

/* =============================================================================
   02. Checkout Main Layout (Form + Sidebar)
   ============================================================================= */
.checkout-main-v2 {
  padding-block: clamp(56px, 7vw, 88px) clamp(72px, 8vw, 112px);
}

.checkout-layout-v2 {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 420px);
  gap: clamp(40px, 5vw, 80px);
  align-items: start;
}

/* --- Express Tray (Apple/Kakao Pay) --------------------- */
.express-tray-v2 {
  padding: clamp(28px, 3vw, 40px);
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  margin-bottom: clamp(40px, 5vw, 56px);
  text-align: center;
  position: relative;
}

.express-tray-v2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--color-accent);
}

.express-eyebrow-v2 {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.24em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-20);
  text-transform: uppercase;
  padding: 0;
  position: relative;
}

.express-btns-v2 {
  display: flex;
  gap: var(--space-12);
}

.express-btns-v2 .btn {
  flex: 1;
  min-height: 52px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 0;
  border-radius: 1px;
  cursor: pointer;
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.express-btns-v2 .btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn.is-kakao { background: #fee500; color: #000; }
.btn.is-apple { background: #000; color: #fff; }

/* --- Auth Divider Between Express + Manual --- */
.checkout-form-area-v2 .auth-divider-v2 {
  position: relative;
  text-align: center;
  margin: clamp(32px, 4vw, 48px) 0;
}

.checkout-form-area-v2 .auth-divider-v2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  background: var(--color-line);
  z-index: 1;
}

.checkout-form-area-v2 .auth-divider-v2 span {
  position: relative;
  z-index: 2;
  background: var(--color-bg);
  padding: 0 var(--space-16);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* --- Form Groups ---------------------------------------- */
.checkout-group-v2 {
  margin-bottom: clamp(40px, 5vw, 56px);
}

.checkout-group-v2:last-of-type {
  margin-bottom: var(--space-32);
}

.group-title-v2 {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.28em;
  margin: 0 0 var(--space-24);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-primary);
  text-transform: uppercase;
  width: 100%;
}

.group-title-v2::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--color-accent);
}

.grid-2-v2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
}

.field-v2 {
  margin-bottom: var(--space-16);
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  position: relative;
}

.field-v2:last-child {
  margin-bottom: 0;
}

.field-v2 .input-v2 {
  width: 100%;
  height: 48px;
  background: var(--color-white);
  border: 1px solid var(--color-line-strong);
  border-radius: 1px;
  padding: 0 var(--space-16);
  font-family: var(--font-family-sans);
  font-size: var(--font-body);
  color: var(--color-primary);
  letter-spacing: 0.01em;
  transition: border-color 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.field-v2 .input-v2::placeholder {
  color: var(--color-text-muted);
  opacity: 0.5;
}

.field-v2 .input-v2:hover:not(:focus) {
  border-color: var(--color-primary);
}

.field-v2 .input-v2:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 36, 33, 0.08);
}

.field-label-v2 {
  display: inline-flex;
  align-items: center;
  gap: var(--space-6, 6px);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.input-with-btn-v2 {
  display: flex;
  gap: var(--space-8);
}

.input-with-btn-v2 .input-v2 {
  flex: 1;
}

.field-link-v2 {
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 1px;
  padding: 0 var(--space-16);
  height: 48px;
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-white);
  cursor: pointer;
  white-space: nowrap;
  text-transform: uppercase;
  transition: background 0.25s ease, border-color 0.25s ease;
  flex-shrink: 0;
}

.field-link-v2:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* --- Submit Button (Complete Transaction) --- */
.checkout-form-v2 .btn.btn-primary,
.checkout-form-v2 .btn-v2.btn-solid {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-8);
  width: 100%;
  min-height: 56px;
  margin-top: var(--space-16);
  padding: 0 var(--space-24);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  background: var(--color-primary);
  color: var(--color-white);
  border: 1px solid var(--color-primary);
  border-radius: 1px;
  cursor: pointer;
  transition: background 0.25s ease, border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.checkout-form-v2 .btn.btn-primary::after {
  content: "→";
  font-family: var(--font-family-sans);
  transition: transform 0.25s ease;
}

.checkout-form-v2 .btn.btn-primary:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.3);
}

.checkout-form-v2 .btn.btn-primary:hover::after {
  transform: translateX(3px);
}

.checkout-legal-v2 {
  margin: var(--space-20) 0 0;
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  text-align: center;
  text-transform: uppercase;
}

.checkout-legal-v2 a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.checkout-legal-v2 a:hover {
  color: var(--color-primary);
}

/* =============================================================================
   03. Order Summary Sidebar (sticky)
   ============================================================================= */
.checkout-sidebar-v2 {
  position: sticky;
  top: calc(var(--header-height, 72px) + var(--space-24));
}

.order-summary-v2 {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  padding: clamp(28px, 3vw, 40px);
  box-shadow: 0 24px 48px -32px rgba(0, 0, 0, 0.16);
  position: relative;
}

.order-summary-v2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 64px;
  height: 2px;
  background: var(--color-accent);
}

.summary-title-v2 {
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.24em;
  margin: 0 0 var(--space-24);
  padding-bottom: var(--space-16);
  border-bottom: 1px solid var(--color-line);
  color: var(--color-primary);
  text-transform: uppercase;
}

.order-items-v2 {
  display: flex;
  flex-direction: column;
  gap: var(--space-16);
  margin-bottom: var(--space-24);
  padding-bottom: var(--space-24);
  border-bottom: 1px dashed var(--color-line);
}

.order-item-v2 {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: var(--space-12);
  align-items: center;
}

.order-item-v2 img {
  width: 56px;
  height: 56px;
  object-fit: contain;
  background: var(--color-surface-soft);
  border: 1px solid var(--color-line);
  border-radius: 2px;
  padding: var(--space-6, 6px);
  mix-blend-mode: multiply;
}

.order-item-info-v2 {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.order-item-name-v2 {
  font-family: var(--font-family-display);
  font-size: var(--font-body);
  font-style: italic;
  font-weight: 500;
  margin: 0;
  color: var(--color-primary);
  letter-spacing: -0.005em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.order-item-meta-v2 {
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 600;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.order-item-price-v2 {
  font-family: var(--font-family-mono);
  font-size: var(--font-caption);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
  align-self: center;
  white-space: nowrap;
}

.summary-calc-v2 {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.summary-row-v2 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: var(--font-body);
}

.summary-row-v2 span:first-child {
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.summary-row-v2 span:last-child {
  font-family: var(--font-family-sans);
  color: var(--color-primary);
  font-weight: 600;
}

.summary-row-v2 .is-accent {
  color: var(--color-accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  text-transform: uppercase;
}

.summary-total-v2 {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-top: var(--space-16);
  padding-top: var(--space-16);
  border-top: 2px solid var(--color-primary);
}

.summary-total-v2 span:first-child {
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--color-primary);
  text-transform: uppercase;
}

.summary-total-v2 span:last-child {
  font-family: var(--font-family-display);
  font-size: clamp(1.35rem, 1.8vw, 1.6rem);
  font-style: italic;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: -0.02em;
}

.checkout-trust-v2 {
  list-style: none;
  padding: var(--space-24) 0 0;
  margin: var(--space-24) 0 0;
  border-top: 1px dashed var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-10, 10px);
}

.checkout-trust-v2 li {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  font-family: var(--font-family-mono);
  font-size: var(--font-label);
  font-weight: 600;
  color: var(--color-text-muted);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* =============================================================================
   Responsive
   ============================================================================= */
@media (max-width: 1100px) {
  .checkout-layout-v2 {
    grid-template-columns: 1fr;
    gap: clamp(40px, 5vw, 64px);
  }
  .checkout-sidebar-v2 {
    position: static;
  }
}

@media (max-width: 640px) {
  .grid-2-v2 {
    grid-template-columns: 1fr;
  }
  .express-btns-v2 {
    flex-direction: column;
  }
  .input-with-btn-v2 {
    flex-direction: column;
  }
  .field-link-v2 {
    width: 100%;
  }
}