/* ============================================================
   ClonX — checkout.css
   Багатокрокове оформлення замовлення (план → оплата → ключ)
   ============================================================ */

/* ---------- Overlay ---------- */
.checkout {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: grid;
  place-items: center;
  padding: 18px;
  visibility: hidden;
  pointer-events: none;
}
.checkout.is-open { visibility: visible; pointer-events: auto; }

.checkout__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity 0.35s var(--ease-out);
}
.checkout.is-open .checkout__backdrop { opacity: 1; }

.checkout__panel {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(880px, 100%);
  max-height: calc(100dvh - 36px);
  overflow: hidden;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(120% 90% at 80% -10%, rgba(255, 255, 255, 0.07), transparent 55%),
    var(--c-surface);
  border: 1px solid var(--c-border-strong);
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(28px) scale(0.97);
  transition: opacity 0.4s var(--ease-out), transform 0.45s var(--ease-out);
}
.checkout.is-open .checkout__panel { opacity: 1; transform: none; }

.checkout__close {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 5;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 12px;
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--c-text-dim);
  font-size: 1.05rem;
  transition: color 0.25s, border-color 0.25s, transform 0.25s;
}
.checkout__close:hover {
  color: var(--c-text);
  border-color: var(--c-border-strong);
  transform: rotate(90deg);
}

body.checkout-open,
html.checkout-open { overflow: hidden !important; }

/* ---------- Header / steps ---------- */
.checkout__head {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 22px 28px 0;
}
.checkout__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--c-text-dim);
}
.checkout__brand .brand__logo { width: 28px; height: 28px; border-radius: 8px; vertical-align: middle; margin-right: 8px; }

.checkout__steps {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
}
.checkout__steps li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--c-text-faint);
  font-size: 0.82rem;
  font-weight: 600;
  white-space: nowrap;
  transition: color 0.3s;
}
.checkout__steps li::before {
  counter-increment: step;
  content: counter(step);
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid var(--c-border-strong);
  font-family: var(--f-mono);
  font-size: 0.68rem;
  transition: background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.checkout__steps li + li::after {
  content: "";
  width: 22px;
  height: 1px;
  margin-left: 6px;
  background: var(--c-border-strong);
}
.checkout__steps li.is-active { color: var(--c-text); }
.checkout__steps li.is-active::before {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #06130c;
  border-color: transparent;
  box-shadow: 0 0 18px rgba(255, 255, 255, 0.35);
}
.checkout__steps li.is-done { color: var(--c-text-dim); }
.checkout__steps li.is-done::before {
  content: "✓";
  background: var(--c-accent-soft);
  color: var(--c-text);
}

@media (max-width: 640px) {
  .checkout__steps li span { display: none; }
  .checkout__head { justify-content: center; }
}

/* ---------- Body layout: stage + summary ---------- */
.checkout__body {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  touch-action: pan-y;
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 26px;
  padding: 24px 28px 30px;
}
@media (max-width: 860px) {
  .checkout__body { grid-template-columns: 1fr; }
  .checkout__summary { order: -1; }
}

.checkout__summary {
  align-self: start;
  padding: 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.03);
}
.checkout__summary h4 {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-faint);
  margin-bottom: 16px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--c-text-dim);
  padding: 7px 0;
}
.summary-row strong { color: var(--c-text); font-weight: 600; }
.summary-row--total {
  margin-top: 10px;
  padding-top: 14px;
  border-top: 1px dashed var(--c-border-strong);
  color: var(--c-text);
  font-weight: 700;
}
.summary-row--total .mono { font-size: 1.35rem; }
.summary-note {
  display: flex;
  gap: 9px;
  margin-top: 16px;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--c-text-faint);
}
.summary-note i { color: var(--c-accent); }

/* ---------- Stages ---------- */
.checkout-stage { display: none; }
.checkout-stage.is-active {
  display: block;
  animation: stageIn 0.45s var(--ease-out) both;
}
@keyframes stageIn {
  from { opacity: 0; transform: translateX(26px); }
  to   { opacity: 1; transform: none; }
}

.checkout-kicker {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-text-faint);
  margin-bottom: 6px;
}
.checkout-title { font-size: clamp(1.15rem, 2.4vw, 1.45rem); margin-bottom: 18px; }

/* ---------- Stage 1: план + email ---------- */
.plan-pick { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 18px; }
@media (max-width: 560px) { .plan-pick { grid-template-columns: 1fr; } }
.plan-tile {
  position: relative;
  cursor: pointer;
  padding: 16px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring);
}
.plan-tile:hover { border-color: var(--c-border-strong); transform: translateY(-2px); }
.plan-tile input { position: absolute; opacity: 0; pointer-events: none; }
.plan-tile.is-active {
  border-color: var(--c-accent);
  background: var(--c-accent-soft);
  box-shadow: 0 0 0 1px var(--c-accent), 0 10px 34px rgba(255, 255, 255, 0.08);
}
.plan-tile__name { font-family: var(--f-display); font-weight: 600; font-size: 0.98rem; margin-bottom: 2px; }
.plan-tile__price { font-family: var(--f-mono); font-size: 0.85rem; color: var(--c-text-dim); }
.plan-tile__flag {
  position: absolute;
  top: -9px;
  right: 10px;
  padding: 2px 9px;
  border-radius: 99px;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #06130c;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.period-pick {
  display: inline-flex;
  padding: 4px;
  gap: 4px;
  border-radius: 99px;
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.03);
  margin-bottom: 18px;
}
.period-pick button {
  border: none;
  background: transparent;
  color: var(--c-text-dim);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 7px 16px;
  border-radius: 99px;
  transition: background 0.25s, color 0.25s;
}
.period-pick button.is-active {
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  color: #06130c;
}
.field { display: block; margin-bottom: 6px; }
.field > span {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--c-text-dim);
  margin-bottom: 8px;
}
.field input {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(0, 0, 0, 0.45);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: 0.95rem;
  outline: none;
  box-shadow: none;
  transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}
.field input:focus,
.field input:focus-visible {
  border-color: rgba(255, 255, 255, 0.38);
  background: rgba(0, 0, 0, 0.55);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.08);
  outline: none;
}
.field-error {
  display: none;
  font-size: 0.8rem;
  color: #fb7185;
  margin-top: 6px;
}
.field-error.is-visible { display: block; }

/* ---------- Stage 1: plan configurator ---------- */
.checkout-lead {
  color: var(--c-text-dim);
  font-size: 0.88rem;
  margin: -6px 0 18px;
}
.cfg-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 4px;
  border-radius: 14px;
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,.03);
  margin-bottom: 18px;
}
.cfg-tab {
  border: none;
  background: transparent;
  color: var(--c-text-dim);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 10px 8px;
  border-radius: 10px;
  cursor: pointer;
  transition: background .2s, color .2s;
}
.cfg-tab.is-active {
  background: var(--c-accent);
  color: #06130c;
}
.cfg-profiles { margin-bottom: 16px; }
.cfg-profiles__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 10px;
  font-size: 0.85rem;
  color: var(--c-text-dim);
}
.cfg-profiles__head strong { color: var(--c-text); font-size: 1.1rem; }
#cfgSlider {
  width: 100%;
  accent-color: #fff;
  margin-bottom: 12px;
}
.cfg-presets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}
.cfg-presets button {
  border: 1px solid var(--c-border);
  background: rgba(255,255,255,.03);
  color: var(--c-text-dim);
  border-radius: 99px;
  padding: 4px 12px;
  font-size: 0.78rem;
  font-family: var(--f-mono);
  cursor: pointer;
}
.cfg-presets button.is-active,
.cfg-presets button:hover {
  border-color: rgba(255,255,255,.35);
  color: var(--c-text);
  background: rgba(255,255,255,.08);
}
.cfg-hint { font-size: 0.75rem; color: var(--c-text-faint); margin: 0; }
.cfg-price-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border-strong);
  background: rgba(255,255,255,.04);
  margin-bottom: 16px;
}
.cfg-price-box__label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: .08em; color: var(--c-text-faint); }
.cfg-price-box__value { font-family: var(--f-display); font-size: 1.6rem; font-weight: 700; }
.cfg-price-box__value span { font-size: 0.85rem; color: var(--c-text-dim); font-weight: 500; margin-left: 4px; }
.cfg-price-box__meta { color: var(--c-text-dim); font-size: 0.78rem; text-align: right; }

/* ---------- Stage 2: методи оплати ---------- */
.pay-section { margin-bottom: 18px; }
.pay-section__title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--c-text-faint);
  margin-bottom: 10px;
}
.pay-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.pay-grid--coins { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 560px) {
  .pay-grid,
  .pay-grid--coins { grid-template-columns: 1fr; }
}
.pay-method {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  text-align: left;
  cursor: pointer;
  padding: 13px 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--c-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--c-text);
  transition: border-color 0.25s, background 0.25s, transform 0.25s var(--ease-spring);
}
.pay-method:hover { border-color: var(--c-border-strong); transform: translateY(-2px); }
.pay-method.is-active {
  border-color: rgba(255,255,255,.45);
  background: rgba(255,255,255,.06);
  box-shadow: 0 0 0 1px rgba(255,255,255,.2);
}
.pay-method__text { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.coin-badge {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.22);
}
.coin-badge--btc  { background: linear-gradient(140deg, #f7931a, #b36208); }
.coin-badge--eth  { background: linear-gradient(140deg, #627eea, #3c4f8f); }
.coin-badge--ltc  { background: linear-gradient(140deg, #345d9d, #1a3a6e); }
.coin-badge--trx  { background: linear-gradient(140deg, #ff060a, #a10004); }
.coin-badge--usdt { background: linear-gradient(140deg, #26a17b, #14654c); }
.coin-badge--usdc { background: linear-gradient(140deg, #2775ca, #1a4f8c); }
.coin-badge--ton  { background: linear-gradient(140deg, #0098ea, #005f96); }
.coin-badge--bnb  { background: linear-gradient(140deg, #f3ba2f, #b8870a); color: #1a1200; }
.coin-badge--card { background: linear-gradient(140deg, #3f3f46, #18181b); color: var(--c-text-faint); }

.net-tag {
  display: inline-block;
  margin-left: 6px;
  padding: 1px 7px;
  border-radius: 99px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  vertical-align: middle;
  font-family: var(--f-mono);
}
.net-tag--eth { background: rgba(98,126,234,.2); color: #9db0ff; }
.net-tag--trx { background: rgba(255,60,60,.18); color: #ff8a8a; }
.net-tag--bsc { background: rgba(243,186,47,.2); color: #f3ba2f; }
.net-tag--poly { background: rgba(130,71,229,.22); color: #c9a8ff; }

.pay-method__name { font-weight: 700; font-size: 0.9rem; display: flex; align-items: center; flex-wrap: wrap; gap: 2px; }
.pay-method__meta { font-family: var(--f-mono); font-size: 0.7rem; color: var(--c-text-faint); }
.pay-method__check {
  margin-left: auto;
  color: var(--c-text-faint);
  font-size: 1.05rem;
  transition: color 0.25s, transform 0.25s var(--ease-spring);
  flex-shrink: 0;
}
.pay-method.is-active .pay-method__check { color: var(--c-accent); transform: scale(1.15); }

.pay-method--disabled {
  cursor: not-allowed;
  opacity: 0.55;
}
.pay-method--disabled:hover { transform: none; border-color: var(--c-border); }
.pay-disabled-tag {
  margin-left: auto;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #fb7185;
  border: 1px solid rgba(251, 113, 133, 0.4);
  border-radius: 99px;
  padding: 3px 9px;
  white-space: nowrap;
}

.crypto-only-banner {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1px dashed var(--c-border-strong);
  color: var(--c-text-dim);
  font-size: 0.83rem;
}
.crypto-only-banner i { color: var(--c-accent); font-size: 1rem; }

/* ---------- Stage 3: рахунок на оплату ---------- */
.invoice {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 560px) { .invoice { grid-template-columns: 1fr; justify-items: center; } }

.qr-wrap {
  position: relative;
  padding: 12px;
  border-radius: var(--radius-md);
  background: #fff;
  border: 1px solid var(--c-border-strong);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.5);
}
.qr-wrap canvas { display: block; image-rendering: pixelated; }

.invoice__rows { width: 100%; min-width: 0; }
.invoice-row { margin-bottom: 16px; }
.invoice-row > label {
  display: block;
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-text-faint);
  margin-bottom: 7px;
}
.copy-box { display: flex; align-items: stretch; gap: 8px; }
.copy-box__value {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 11px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border-strong);
  background: var(--c-bg-soft);
  font-family: var(--f-mono);
  font-size: 0.8rem;
  color: var(--c-text);
}
.btn-copy {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 11px 15px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--c-text);
  font-size: 0.82rem;
  font-weight: 600;
  transition: background 0.25s, border-color 0.25s, color 0.25s;
}
.btn-copy:hover { background: var(--c-accent-soft); border-color: var(--c-accent); }
.btn-copy.is-copied {
  color: #06130c;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  border-color: transparent;
}

.pay-timer {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-family: var(--f-mono);
  font-size: 0.88rem;
  color: var(--c-text-dim);
}
.pay-timer i { color: var(--c-accent); }
.pay-timer.is-expired { color: #fb7185; }

.invoice-steps {
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.82rem;
  color: var(--c-text-faint);
}
.invoice-steps li { display: flex; gap: 9px; padding: 3px 0; }
.invoice-steps li i { color: var(--c-accent); margin-top: 2px; }

/* ---------- Actions ---------- */
.checkout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.checkout-actions .btn { min-width: 170px; }
.checkout-actions .spacer { flex: 1; }

/* ---------- Stage 4: processing ---------- */
.processing {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 34px 10px 20px;
}
.spinner-ring { position: relative; width: 86px; height: 86px; margin-bottom: 26px; }
.spinner-ring::before,
.spinner-ring::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid transparent;
}
.spinner-ring::before {
  border-top-color: var(--c-accent);
  border-right-color: var(--c-accent-2);
  animation: spin 1s linear infinite;
}
.spinner-ring::after {
  inset: 10px;
  border-bottom-color: rgba(255, 255, 255, 0.25);
  animation: spin 1.6s linear infinite reverse;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spinner-ring i {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 1.6rem;
  color: var(--c-text-dim);
}
.processing-log {
  width: min(420px, 100%);
  min-height: 118px;
  margin-top: 20px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--c-border);
  background: var(--c-bg-soft);
  text-align: left;
  font-family: var(--f-mono);
  font-size: 0.76rem;
  line-height: 2;
}
.processing-log div { opacity: 0; animation: logIn 0.35s ease forwards; }
@keyframes logIn { to { opacity: 1; } }
.log-ok { color: #7ef0b2; }
.log-dim { color: var(--c-text-faint); }
.log-err { color: #fb7185; }

/* ---------- Stage 5: success ---------- */
.success {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 26px 8px 8px;
}
.success__badge {
  display: grid;
  place-items: center;
  width: 92px;
  height: 92px;
  border-radius: 50%;
  font-size: 2.2rem;
  color: #06130c;
  background: linear-gradient(135deg, var(--c-accent), var(--c-accent-2));
  box-shadow: 0 0 0 10px rgba(255, 255, 255, 0.06), 0 0 60px rgba(255, 255, 255, 0.25);
  animation: popIn 0.6s var(--ease-spring) both;
}
@keyframes popIn {
  from { transform: scale(0.3); opacity: 0; }
  to   { transform: scale(1); opacity: 1; }
}
.success__title { font-size: clamp(1.3rem, 3vw, 1.7rem); margin: 22px 0 8px; }
.success__sub { color: var(--c-text-dim); font-size: 0.95rem; max-width: 460px; margin: 0 0 26px; }
.success__sub strong { color: var(--c-text); }

.key-box {
  width: min(520px, 100%);
  padding: 22px 24px;
  border-radius: var(--radius-md);
  border: 1px dashed var(--c-border-strong);
  background:
    radial-gradient(90% 120% at 50% 0%, rgba(255, 255, 255, 0.09), transparent 70%),
    var(--c-bg-soft);
}
.key-box__label {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-text-faint);
  margin-bottom: 10px;
}
.key-box__value {
  font-family: var(--f-mono);
  font-size: clamp(0.95rem, 2.6vw, 1.25rem);
  font-weight: 600;
  letter-spacing: 0.06em;
  word-break: break-all;
  background: linear-gradient(100deg, #ffffff 30%, #9aa39e 50%, #ffffff 70%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 5s linear infinite;
  margin-bottom: 16px;
}
.success__hint {
  display: flex;
  align-items: center;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--c-text-faint);
}
.success__hint i { color: var(--c-accent); }