/* ===================================================================
   Checkout Modal — sipariş özeti → giriş → ödeme → başarı
   =================================================================== */

.co-backdrop {
  position: fixed; inset: 0;
  background: rgba(15, 19, 28, .78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 260;
  display: none;
  align-items: center; justify-content: center;
  padding: 24px;
  overflow-y: auto;
}
.co-backdrop.is-open { display: flex; animation: wzFade .25s ease; }

.co-modal {
  width: 100%;
  max-width: 760px;
  background: var(--c-surface);
  border-radius: 24px;
  box-shadow: 0 50px 120px rgba(0,0,0,.4);
  overflow: hidden;
  position: relative;
  animation: wzPop .35s cubic-bezier(.2,.8,.2,1);
  display: flex; flex-direction: column;
  max-height: calc(100vh - 48px);
}

.co-close {
  position: absolute; top: 16px; right: 16px;
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(0,0,0,.06);
  display: grid; place-items: center;
  color: var(--c-ink-soft);
  transition: all .15s;
  z-index: 5;
}
.co-close:hover { background: var(--c-coral); color: #fff; transform: rotate(90deg); }
.co-close svg { width: 14px; height: 14px; }

/* progress */
.co-progress {
  padding: 22px 30px 16px;
  border-bottom: 1px solid var(--c-line);
  background: linear-gradient(180deg, #fff 0%, #FAFAF8 100%);
  flex-shrink: 0;
}
.co-progress-top {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11.5px; font-weight: 700; letter-spacing: .08em;
  color: var(--c-muted);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.co-progress-top .step-name {
  color: var(--c-ink); font-size: 13.5px;
  text-transform: none; letter-spacing: -.005em;
}
.co-bar { height: 6px; background: var(--c-bg-2); border-radius: 3px; overflow: hidden; }
.co-bar-fill {
  height: 100%; background: linear-gradient(90deg, var(--c-mint), var(--c-mint-deep));
  border-radius: 3px; width: 0%;
  transition: width .4s cubic-bezier(.2, .8, .2, 1);
}

.co-body { flex: 1; overflow-y: auto; padding: 26px 30px; min-height: 0; }
.co-step { display: none; animation: fadeUp .3s ease; }
.co-step.is-active { display: block; }
.co-step h3 {
  font-size: 20px; line-height: 1.2; letter-spacing: -.015em;
  margin: 0 0 6px; font-weight: 800;
}
.co-step .hint { font-size: 13.5px; color: var(--c-ink-soft); margin: 0 0 18px; }

/* ----- STEP 1: cart summary ----- */
.co-product-card {
  display: flex; gap: 14px;
  padding: 14px;
  background: var(--c-bg-2);
  border-radius: 14px;
  margin-bottom: 16px;
  align-items: center;
}
.co-product-thumb {
  width: 70px; height: 88px;
  border-radius: 10px;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
}
.co-product-thumb svg { width: 100%; display: block; }
.co-product-meta b { display: block; font-size: 14.5px; font-weight: 800; letter-spacing: -.005em; line-height: 1.3; margin-bottom: 4px; }
.co-product-meta span { display: block; font-size: 12.5px; color: var(--c-ink-soft); margin-bottom: 6px; }
.co-product-meta .px {
  font-size: 13px; font-weight: 800;
  color: var(--c-mint-deep);
}

.co-list { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
.co-list .row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0;
  border-bottom: 1px dashed var(--c-line);
  font-size: 13.5px;
  color: var(--c-ink-soft);
}
.co-list .row:last-child { border-bottom: none; }
.co-list .row b { color: var(--c-ink); font-weight: 700; }
.co-list .row.discount b { color: var(--c-coral); }

.co-coupon {
  display: flex; gap: 8px;
  padding: 8px;
  background: var(--c-bg-2);
  border-radius: 12px;
  margin-bottom: 16px;
}
.co-coupon input {
  flex: 1;
  font: inherit; font-size: 13.5px;
  padding: 10px 14px;
  border: 1.5px solid transparent;
  border-radius: 8px;
  background: var(--c-surface);
  outline: none;
  transition: border-color .15s;
}
.co-coupon input:focus { border-color: var(--c-mint); }
.co-coupon input::placeholder { color: var(--c-muted); }
.co-coupon button {
  padding: 10px 18px;
  background: var(--c-ink);
  color: #fff;
  border-radius: 8px;
  font-weight: 700; font-size: 13px;
  transition: background .15s;
}
.co-coupon button:hover { background: #000; }
.co-coupon-msg {
  font-size: 12.5px;
  margin-bottom: 14px;
  display: none;
  padding: 8px 12px;
  border-radius: 8px;
}
.co-coupon-msg.show { display: block; }
.co-coupon-msg.ok  { background: var(--c-mint-soft); color: var(--c-mint-deep); }
.co-coupon-msg.bad { background: var(--c-coral-soft); color: var(--c-coral); }

.co-totals {
  border-top: 2px solid var(--c-ink);
  padding-top: 14px;
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 14.5px;
}
.co-totals .v {
  font-size: 24px; font-weight: 800; letter-spacing: -.01em;
  color: var(--c-ink);
}

/* ----- STEP 2: identity / login ----- */
.co-id-tabs {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}
.co-id-tab {
  padding: 14px 12px;
  background: var(--c-surface);
  border: 2px solid var(--c-line);
  border-radius: 14px;
  text-align: center;
  cursor: pointer;
  transition: all .15s;
  position: relative;
}
.co-id-tab:hover:not(:disabled) { border-color: var(--c-ink); transform: translateY(-2px); }
.co-id-tab.is-active {
  border-color: var(--c-mint);
  background: var(--c-mint-soft);
  box-shadow: 0 0 0 4px rgba(var(--c-accent-rgb), .12);
}
.co-id-tab:disabled {
  opacity: .45;
  cursor: not-allowed;
}
.co-id-tab .ic {
  width: 38px; height: 38px;
  border-radius: 12px;
  background: var(--c-bg-2);
  color: var(--c-ink);
  display: grid; place-items: center;
  margin: 0 auto 8px;
}
.co-id-tab.is-active .ic { background: var(--c-surface); color: var(--c-mint-deep); }
.co-id-tab .ic svg { width: 18px; height: 18px; }
.co-id-tab b { display: block; font-size: 13px; font-weight: 800; margin-bottom: 2px; }
.co-id-tab span { display: block; font-size: 11.5px; color: var(--c-ink-soft); line-height: 1.4; }

.co-form { display: flex; flex-direction: column; gap: 12px; }
.co-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.co-field { display: flex; flex-direction: column; gap: 6px; }
.co-field label {
  font-size: 12px; font-weight: 700;
  color: var(--c-ink-soft);
}
.co-field label .req { color: var(--c-coral); }
.co-field input {
  font-family: inherit; font-size: 14px;
  padding: 12px 14px;
  border: 1.5px solid var(--c-line);
  border-radius: 10px;
  background: var(--c-surface);
  transition: all .15s;
  color: var(--c-ink);
}
.co-field input:focus {
  outline: none;
  border-color: var(--c-mint);
  box-shadow: 0 0 0 4px rgba(var(--c-accent-rgb), .12);
}
.co-field.is-error input { border-color: var(--c-coral); }
.co-field .err {
  display: none;
  font-size: 11.5px; color: var(--c-coral);
}
.co-field.is-error .err { display: block; }

.co-login-disabled {
  background: var(--c-bg-2);
  border-radius: 12px;
  padding: 18px;
  text-align: center;
  font-size: 13px;
  color: var(--c-ink-soft);
}
.co-login-disabled b { display: block; font-size: 14px; color: var(--c-ink); margin-bottom: 4px; }

/* ----- STEP 3: payment ----- */
.co-pay-tabs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 18px;
}
.co-pay-tab {
  padding: 16px;
  background: var(--c-surface);
  border: 2px solid var(--c-line);
  border-radius: 14px;
  cursor: pointer;
  transition: all .15s;
  display: flex; align-items: center; gap: 14px;
  text-align: left;
  position: relative;
}
.co-pay-tab:hover:not(:disabled) { border-color: var(--c-ink); transform: translateY(-2px); }
.co-pay-tab.is-active {
  border-color: var(--c-mint);
  background: var(--c-mint-soft);
}
.co-pay-tab:disabled {
  opacity: .5; cursor: not-allowed;
}
.co-pay-tab .ic {
  width: 40px; height: 40px;
  border-radius: 11px;
  display: grid; place-items: center;
  flex-shrink: 0;
}
.co-pay-tab.kart .ic { background: var(--c-indigo-soft); color: var(--c-indigo); }
.co-pay-tab.havale .ic { background: var(--c-mint-soft); color: var(--c-mint-deep); }
.co-pay-tab.kredi .ic { background: var(--c-amber-soft); color: #B47F25; }
.co-pay-tab.kapida .ic { background: var(--c-coral-soft); color: var(--c-coral); }
.co-pay-tab .ic svg { width: 20px; height: 20px; }
.co-pay-tab b { display: block; font-size: 14px; font-weight: 800; }
.co-pay-tab span { display: block; font-size: 11.5px; color: var(--c-ink-soft); margin-top: 2px; }
.co-pay-tab .lock-tag {
  position: absolute; top: 8px; right: 8px;
  font-size: 9.5px; font-weight: 800; letter-spacing: .08em;
  background: var(--c-bg-2);
  color: var(--c-muted);
  padding: 3px 8px;
  border-radius: 999px;
}

.co-pay-content { display: none; }
.co-pay-content.is-active { display: block; animation: fadeUp .25s ease; }

/* credit card */
.co-cc-row {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.co-cc-row.three { grid-template-columns: 1fr 1fr 1fr; }

/* havale banks */
.co-banks { display: flex; flex-direction: column; gap: 10px; }
.co-bank {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-line);
  border-radius: 12px;
}
.co-bank .b-logo {
  width: 42px; height: 42px;
  border-radius: 10px;
  display: grid; place-items: center;
  color: #fff;
  font-weight: 800;
  font-size: 16px;
  flex-shrink: 0;
}
.co-bank.is { background: linear-gradient(135deg, #FFD200, #FFA500); color: #1A1F2E; }
.co-bank.zb .b-logo { background: linear-gradient(135deg, #00A1DE, #006B99); }
.co-bank.gp .b-logo { background: linear-gradient(135deg, #E91E63, #C2185B); }
.co-bank.yk .b-logo { background: linear-gradient(135deg, #003876, #001F3D); }
.co-bank b { display: block; font-size: 13.5px; font-weight: 800; }
.co-bank .iban {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: var(--c-ink-soft);
  margin-top: 2px;
  letter-spacing: .03em;
}
.co-bank .copy {
  margin-left: auto;
  background: var(--c-bg-2);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 11.5px; font-weight: 700;
  color: var(--c-ink);
  transition: all .15s;
  display: inline-flex; align-items: center; gap: 5px;
}
.co-bank .copy:hover { background: var(--c-ink); color: #fff; }
.co-bank .copy.is-copied { background: var(--c-mint); color: #fff; }
.co-bank .copy svg { width: 12px; height: 12px; }

/* credit balance */
.co-credit-card {
  background: linear-gradient(135deg, var(--c-amber-soft) 0%, #fff 70%);
  border: 1.5px solid #F4DBA8;
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 12px;
}
.co-credit-row {
  display: flex; justify-content: space-between; align-items: baseline;
}
.co-credit-row .label { font-size: 12.5px; color: var(--c-ink-soft); font-weight: 600; }
.co-credit-row b {
  font-size: 22px; font-weight: 800;
  letter-spacing: -.01em;
  color: var(--c-ink);
}
.co-credit-row.use b {
  background: linear-gradient(135deg, #B47F25, var(--c-amber));
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}
.co-credit-warn {
  background: var(--c-coral-soft);
  color: var(--c-coral);
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 12.5px;
  margin-top: 10px;
  display: flex; align-items: center; gap: 8px;
}
.co-credit-warn svg { width: 16px; height: 16px; flex-shrink: 0; }

/* ----- STEP 4: success ----- */
.co-success {
  text-align: center;
  padding: 14px 0;
}
.co-success .ic {
  width: 88px; height: 88px;
  margin: 0 auto 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-mint) 0%, var(--c-mint-deep) 100%);
  color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 16px 50px rgba(var(--c-accent-rgb), .26);
  animation: wzPop .5s cubic-bezier(.2, 1.4, .3, 1);
}
.co-success .ic svg { width: 42px; height: 42px; }
.co-success h2 {
  font-size: 26px; letter-spacing: -.02em; line-height: 1.15;
  margin: 0 0 8px; font-weight: 800;
}
.co-success p { font-size: 14px; color: var(--c-ink-soft); margin: 0 0 22px; }

.co-order-card {
  background: var(--c-mint-soft);
  border: 1px solid #B8E6D4;
  border-radius: 14px;
  padding: 18px;
  text-align: left;
  margin-bottom: 18px;
}
.co-order-card b { display: block; font-size: 12px; color: var(--c-muted); letter-spacing: .1em; text-transform: uppercase; margin-bottom: 6px; }
.co-order-card .num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 18px;
  font-weight: 800;
  color: var(--c-mint-deep);
  letter-spacing: .04em;
}
.co-order-card .lines {
  margin-top: 14px;
  display: flex; flex-direction: column; gap: 6px;
  padding-top: 12px;
  border-top: 1px dashed #B8E6D4;
  font-size: 12.5px;
}
.co-order-card .lines > div {
  display: flex; justify-content: space-between;
  color: var(--c-ink-soft);
}
.co-order-card .lines > div b {
  letter-spacing: 0;
  text-transform: none;
  font-size: 12.5px;
  color: var(--c-ink);
  margin: 0;
  font-weight: 700;
}

.co-success .actions {
  display: flex; gap: 10px; justify-content: center; flex-wrap: wrap;
}

/* footer */
.co-foot {
  padding: 16px 30px;
  border-top: 1px solid var(--c-line);
  display: flex; justify-content: space-between; align-items: center;
  background: #FAFAFA;
  flex-shrink: 0;
  gap: 14px;
}
.co-foot .total-mini {
  font-size: 12.5px; color: var(--c-ink-soft);
}
.co-foot .total-mini b {
  display: block; font-size: 18px; font-weight: 800;
  color: var(--c-ink);
  letter-spacing: -.005em;
}
.co-foot .btns { display: flex; gap: 8px; }
.co-foot .btn { padding: 12px 22px; font-size: 13.5px; }
.co-foot .btn-back {
  background: transparent;
  color: var(--c-ink-soft);
  padding: 12px 14px;
}
.co-foot .btn-back:hover { color: var(--c-ink); }
.co-foot .btn-back.hidden { visibility: hidden; }

@media (max-width: 640px) {
  .co-backdrop { padding: 12px; }
  .co-modal { border-radius: 18px; max-height: calc(100vh - 24px); }
  .co-progress { padding: 18px 22px 14px; }
  .co-body { padding: 22px; }
  .co-foot { padding: 14px 22px; flex-wrap: wrap; }
  .co-id-tabs { grid-template-columns: 1fr; }
  .co-pay-tabs { grid-template-columns: 1fr; }
  .co-row, .co-cc-row, .co-cc-row.three { grid-template-columns: 1fr; }
  .co-product-card { flex-direction: column; align-items: flex-start; }
  .co-product-thumb { width: 100%; height: 120px; }
}