/* ==========================================================
   Checkout dialog
   ========================================================== */

html.co-open { overflow: hidden; }

.co {
  padding: 0; border: 0; background: transparent;
  width: min(560px, 100% - 24px); max-width: none; max-height: none;
  margin: auto; overflow: visible; color: var(--ink);
}
.co::backdrop { background: rgba(30, 18, 12, .55); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.co[open] { animation: co-in .38s cubic-bezier(.2, .8, .2, 1); }
.co[open]::backdrop { animation: co-fade .3s ease; }
.co.is-closing { animation: co-out .22s ease forwards; }
.co.is-closing::backdrop { animation: co-fade .22s ease reverse forwards; }
@keyframes co-in { from { opacity: 0; transform: translateY(24px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes co-out { to { opacity: 0; transform: translateY(16px) scale(.98); } }
@keyframes co-fade { from { opacity: 0; } to { opacity: 1; } }

.co__panel {
  display: flex; flex-direction: column;
  max-height: min(860px, calc(100dvh - 32px));
  background: #fff; border-radius: 24px; overflow: hidden;
  box-shadow: 0 40px 80px -30px rgba(30, 18, 12, .6);
  outline: none;
}

/* Header + progress */
.co__head { display: flex; align-items: center; gap: 12px; padding: 18px 20px 14px 26px; border-bottom: 1px solid var(--line); }
.co__steps { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex: 1; counter-reset: s; }
.co__steps li {
  counter-increment: s; display: flex; align-items: center; gap: 8px;
  font-size: 13px; font-weight: 700; color: #A39990; letter-spacing: .02em;
}
.co__steps li::before {
  content: counter(s); width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center;
  font-size: 12px; background: var(--cream); border: 1.5px solid var(--line); color: #A39990;
  transition: background .3s, color .3s, border-color .3s;
}
.co__steps li + li::after { order: -1; content: ""; width: 18px; height: 2px; background: var(--line); border-radius: 2px; }
.co__steps li.is-on { color: var(--brown); }
.co__steps li.is-on::before { background: var(--orange-deep); border-color: var(--orange-deep); color: #fff; }
.co__steps li.is-done { color: var(--orange-deep); }
.co__steps li.is-done::before { content: "✓"; background: #FDEBDD; border-color: #F6C9A6; color: var(--orange-deep); }
.co__close {
  width: 40px; height: 40px; border-radius: 50%; border: 0; background: var(--cream); cursor: pointer;
  display: grid; place-items: center; transition: background .2s, transform .2s; flex: none;
}
.co__close:hover { background: #F3E8DD; transform: rotate(90deg); }
.co__close svg { width: 18px; height: 18px; stroke: var(--brown); stroke-width: 2.2; stroke-linecap: round; fill: none; }

.co__body { overflow-y: auto; padding: 22px 26px 8px; overscroll-behavior: contain; }

/* Product strip */
.co__product {
  display: flex; align-items: center; gap: 16px; padding: 14px; margin-bottom: 22px;
  background: linear-gradient(135deg, #FFF6EE, var(--cream)); border: 1px solid var(--line); border-radius: 18px;
}
.co__cover { width: 58px; border-radius: 3px 5px 5px 3px; box-shadow: -1px 0 0 rgba(0,0,0,.12), 6px 10px 18px -8px rgba(58,26,15,.5); transform: rotate(-4deg); transition: transform .3s; }
.co__product:hover .co__cover { transform: rotate(0) scale(1.04); }
.co__product-info { flex: 1; min-width: 0; }
.co__product-info h2 { font-size: 19px; font-weight: 800; color: var(--brown); }
.co__product-info p { margin: 2px 0 0; font-size: 13px; color: var(--muted); }
.co__product-info .co__unit { font-size: 15px; font-weight: 700; color: var(--orange-deep); margin-top: 4px; }

.qty { display: flex; align-items: center; background: #fff; border: 1.5px solid var(--line); border-radius: 999px; padding: 3px; }
.qty__btn {
  width: 34px; height: 34px; border-radius: 50%; border: 0; background: transparent; cursor: pointer;
  font: 700 20px/1 var(--font); color: var(--brown); transition: background .2s;
}
.qty__btn:hover:not(:disabled) { background: var(--cream); }
.qty__btn:disabled { color: #CFC6BE; cursor: default; }
.qty__btn.is-max { color: #CFC6BE; }
.qty__val { min-width: 26px; text-align: center; font-weight: 800; font-size: 16px; }
.bump { animation: bump .35s ease; }
@keyframes bump { 40% { transform: scale(1.25); color: var(--orange-deep); } }

/* Forms */
.co__h { font-size: 15px; font-weight: 800; color: var(--brown); margin: 6px 0 14px; letter-spacing: -.01em; }
.co__step { display: grid; gap: 14px; }
.co__step[hidden] { display: none; }
.f { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--brown); }
.f em { font-style: normal; font-weight: 500; color: #A39990; }
.f input, .f select, .co__note textarea {
  font: 400 16px/1.3 var(--font); color: var(--ink); width: 100%;
  background: #fff; border: 1.5px solid #E4D9CE; border-radius: 12px; padding: 13px 14px;
  transition: border-color .2s, box-shadow .2s;
}
.f select { appearance: none; -webkit-appearance: none; padding-right: 34px;
  background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235A2A17' stroke-width='2.2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") right 12px center / 16px no-repeat; }
.f input:focus, .f select:focus, .co__note textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 4px rgba(232,104,28,.14); }
.f.is-invalid input, .f.is-invalid select { border-color: #D92D20; background-color: #FFF8F7; }
.f-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.f-row--3 { grid-template-columns: 1.3fr 1.2fr 1fr; }
@media (max-width: 520px) {
  .f-row--3 { grid-template-columns: 1fr 1fr; }
  .f-row--3 .f:first-child { grid-column: 1 / -1; }
}

/* Country segmented control */
.seg { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; background: var(--cream); border: 1px solid var(--line); border-radius: 14px; padding: 5px; }
.seg label { position: relative; cursor: pointer; }
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg span { display: block; text-align: center; padding: 10px 8px; border-radius: 10px; font-weight: 700; font-size: 14px; color: var(--muted); transition: background .2s, color .2s, box-shadow .2s; }
.seg input:checked + span { background: #fff; color: var(--brown); box-shadow: 0 2px 8px -2px rgba(58,26,15,.18); }
.seg input:focus-visible + span { outline: 3px solid var(--amber); outline-offset: 1px; }

.co__note summary { cursor: pointer; font-size: 14px; font-weight: 600; color: var(--orange-deep); list-style: none; display: inline-flex; align-items: center; gap: 6px; }
.co__note summary::-webkit-details-marker { display: none; }
.co__note summary::before { content: "+"; font-weight: 800; }
.co__note[open] summary::before { content: "−"; }
.co__note textarea { margin-top: 10px; resize: vertical; }

.co__error { margin: 0; color: #B42318; font-weight: 600; font-size: 14px; min-height: 0; }
.co__error:empty { display: none; }
.shake { animation: shake .4s ease; }
@keyframes shake { 20%, 60% { transform: translateX(-5px); } 40%, 80% { transform: translateX(5px); } }

.co__cta { width: 100%; padding: 18px 24px; font-size: 17px; margin-top: 4px; }
.co__cta:disabled { opacity: .55; cursor: not-allowed; transform: none; box-shadow: none; }
.co__intl { margin: 0; text-align: center; font-size: 13px; color: var(--muted); }

/* Step 2 */
.co__back {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; cursor: pointer;
  background: var(--cream); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px;
  font: 400 13px/1.45 var(--font); color: var(--muted); transition: border-color .2s;
}
.co__back:hover { border-color: var(--orange); }
.co__back svg { width: 18px; height: 18px; stroke: var(--brown); stroke-width: 2.2; fill: none; flex: none; }
.co__ship-to { flex: 1; min-width: 0; }
.co__ship-to strong { display: block; color: var(--brown); font-size: 14px; }
.co__edit { font-weight: 700; color: var(--orange-deep); }

.ship { display: grid; gap: 10px; }
.ship__opt {
  display: flex; align-items: center; gap: 14px; cursor: pointer; position: relative;
  border: 1.5px solid #E4D9CE; border-radius: 14px; padding: 14px 16px; transition: border-color .2s, background .2s, box-shadow .2s;
}
.ship__opt:hover { border-color: #F2B48A; }
.ship__opt input { position: absolute; opacity: 0; pointer-events: none; }
.ship__radio { width: 20px; height: 20px; border-radius: 50%; border: 2px solid #CDBFB2; flex: none; position: relative; transition: border-color .2s; }
.ship__radio::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--orange-deep); transform: scale(0); transition: transform .2s cubic-bezier(.2,.8,.2,1.4); }
.ship__text { flex: 1; display: grid; gap: 2px; }
.ship__text strong { font-size: 15px; color: var(--brown); }
.ship__text small { font-size: 13px; color: var(--muted); }
.ship__price { font-weight: 800; color: var(--brown); }
.ship__opt:has(input:checked) { border-color: var(--orange-deep); background: #FFF8F2; box-shadow: 0 0 0 3px rgba(232,104,28,.12); }
.ship__opt input:checked ~ .ship__radio { border-color: var(--orange-deep); }
.ship__opt input:checked ~ .ship__radio::after { transform: scale(1); }
.ship__opt input:focus-visible ~ .ship__radio { outline: 3px solid var(--amber); outline-offset: 2px; }
.ship__loading { display: flex; align-items: center; gap: 10px; padding: 16px; border: 1.5px dashed #E4D9CE; border-radius: 14px; color: var(--muted); font-size: 14px; }
.ship__err { color: #B42318; border-color: #F5C2BC; flex-wrap: wrap; }
.link-btn { border: 0; background: none; padding: 0; font: 700 14px var(--font); color: var(--orange-deep); cursor: pointer; text-decoration: underline; }

.spin { width: 16px; height: 16px; border-radius: 50%; border: 2.5px solid #F3D9C4; border-top-color: var(--orange-deep); animation: spin .8s linear infinite; flex: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.card-box { min-height: 60px; position: relative; }
.card-box.is-loading::before { content: ""; position: absolute; inset: 0; border-radius: 12px; background: linear-gradient(90deg, var(--cream), #fff, var(--cream)); background-size: 200% 100%; animation: shimmer 1.2s linear infinite; }
@keyframes shimmer { to { background-position: -200% 0; } }
.card-box__msg { margin: 0; padding: 14px 16px; border-radius: 12px; background: #FFF6EE; border: 1px solid #F6D3B8; color: var(--brown-2); font-size: 14px; }
#card-container { min-height: 0; }

.co__pay { position: relative; }
.co__pay.is-busy { opacity: 1 !important; cursor: progress; }
.co__pay.is-busy::before { content: ""; width: 18px; height: 18px; border-radius: 50%; border: 2.5px solid rgba(255,255,255,.4); border-top-color: #fff; animation: spin .8s linear infinite; }
.co__secure { display: flex; align-items: center; justify-content: center; gap: 8px; margin: 0 0 6px; font-size: 12.5px; color: var(--muted); text-align: center; }
.co__secure svg { width: 15px; height: 15px; stroke: currentColor; stroke-width: 2; fill: none; flex: none; }

/* Summary footer */
.co__summary { border-top: 1px solid var(--line); background: var(--cream); padding: 14px 26px 18px; display: grid; gap: 4px; }
.sum { display: flex; justify-content: space-between; font-size: 14px; color: var(--muted); }
.sum small { font-size: 12px; }
.sum--total { margin-top: 6px; padding-top: 10px; border-top: 1px dashed #E4D9CE; font-size: 18px; font-weight: 800; color: var(--brown); }
.sum--total span:last-child { display: inline-block; }
.co.is-done .co__summary, .co.is-done .co__product { display: none; }

/* Step 3 */
.co__done { text-align: center; justify-items: center; padding: 10px 0 22px; position: relative; }
.co__burst { position: absolute; left: 50%; top: 56px; width: 0; height: 0; pointer-events: none; }
.co__burst svg { position: absolute; left: -10px; top: -10px; opacity: 0; animation: burst 1.6s cubic-bezier(.15,.7,.3,1) var(--d) forwards; }
@keyframes burst {
  0% { opacity: 1; transform: translate(0, 0) rotate(0) scale(.4); }
  60% { opacity: 1; }
  100% { opacity: 0; transform: translate(var(--x), calc(var(--y) + 140px)) rotate(var(--r)) scale(1); }
}
.co__check { width: 76px; height: 76px; margin-bottom: 6px; }
.co__check circle { fill: #FFF1E6; stroke: var(--orange-deep); stroke-width: 2.5; stroke-dasharray: 152; stroke-dashoffset: 152; animation: draw .6s ease forwards; }
.co__check path { fill: none; stroke: var(--orange-deep); stroke-width: 4; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 40; stroke-dashoffset: 40; animation: draw .4s .45s ease forwards; }
@keyframes draw { to { stroke-dashoffset: 0; } }
.co__thanks { font-size: clamp(26px, 5vw, 32px); font-weight: 900; color: var(--brown); letter-spacing: -.02em; }
.co__done-lede { max-width: 26em; color: var(--muted); margin: 0; }
.co__done-lede strong { color: var(--ink); word-break: break-all; }
.co__receipt { width: 100%; margin: 10px 0 0; background: var(--cream); border: 1px solid var(--line); border-radius: 16px; padding: 6px 18px; text-align: left; }
.co__receipt div { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.co__receipt div:last-child { border-bottom: 0; }
.co__receipt dt { color: var(--muted); }
.co__receipt dd { margin: 0; font-weight: 700; color: var(--brown); text-align: right; }
.co__mantra { font-family: var(--serif); font-style: italic; color: var(--orange-deep); font-size: 17px; margin: 10px 0 0; }
.co__done-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 6px; }

/* Phone: bottom sheet */
@media (max-width: 600px) {
  .co { width: 100%; margin: auto 0 0; }
  .co[open] { animation-name: sheet-in; }
  .co.is-closing { animation-name: sheet-out; }
  .co__panel { border-radius: 22px 22px 0 0; max-height: calc(100dvh - 24px); }
  .co__head { padding: 14px 14px 12px 18px; }
  .co__steps li { font-size: 0; gap: 6px; }
  .co__steps li.is-on { font-size: 13px; }
  .co__body { padding: 18px 18px 8px; }
  .co__summary { padding: 12px 18px calc(14px + env(safe-area-inset-bottom)); }
  .co__product { padding: 12px; gap: 12px; }
  .co__cover { width: 48px; }
}
@keyframes sheet-in { from { transform: translateY(100%); } to { transform: none; } }
@keyframes sheet-out { to { transform: translateY(100%); } }

@media (prefers-reduced-motion: reduce) {
  .co[open], .co.is-closing, .co[open]::backdrop { animation: none; }
  .co__check circle, .co__check path { animation: none; stroke-dashoffset: 0; }
  .bump, .shake { animation: none; }
}

/* Clickable 3D book */
.book-scene { cursor: pointer; }
.book-scene:focus-visible { outline: 3px solid var(--amber); outline-offset: 12px; border-radius: 8px; }
.buy__price small { font-size: 16px; font-weight: 700; opacity: .75; letter-spacing: .04em; }