:root {
  --ikk-violet: #33205a;
  --ikk-deep: #261745;
  --ikk-lilac: #a78af8;
  --ikk-soft: #f4f1fc;
  --ikk-amber: #ffb020;
  --ikk-amber-hover: #f09d00;
  --ikk-text: #3a3550;
  --ikk-border: #e6e0f1;
}

.ikk-app, .ikk-app * { box-sizing: border-box; }
.ikk-app {
  width: min(100%, 820px);
  margin: 40px auto;
  padding: clamp(22px, 5vw, 56px);
  border: 1px solid var(--ikk-border);
  border-radius: 24px;
  background: #fff;
  color: var(--ikk-text);
  box-shadow: 0 22px 70px rgba(38, 23, 69, .1);
  font-family: inherit;
}
.ikk-progress { position: relative; height: 5px; margin-bottom: 56px; border-radius: 10px; background: var(--ikk-soft); }
.ikk-progress__bar { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--ikk-violet), var(--ikk-lilac)); transition: width .25s ease; }
.ikk-progress span { position: absolute; right: 0; top: 12px; color: #746b85; font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.ikk-step { display: none; }
.ikk-step.is-active { display: block; animation: ikkIn .25s ease both; }
@keyframes ikkIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.ikk-eyebrow { margin: 0 0 10px; color: #7355c6; font-size: 13px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.ikk-app h2 { margin: 0; color: var(--ikk-deep); font-size: clamp(30px, 5vw, 48px); line-height: 1.06; letter-spacing: -.035em; }
.ikk-lead { max-width: 610px; margin: 16px 0 32px; color: #6d657b; font-size: 17px; line-height: 1.6; }
.ikk-counter { display: grid; grid-template-columns: 58px 1fr 58px; align-items: stretch; max-width: 480px; margin: 32px auto 24px; border: 1px solid var(--ikk-border); border-radius: 18px; overflow: hidden; background: var(--ikk-soft); }
.ikk-counter button { border: 0; background: #fff; color: var(--ikk-violet); font-size: 30px; font-weight: 500; cursor: pointer; }
.ikk-counter button:hover { background: #faf8ff; }
.ikk-counter div { display: flex; flex-direction: column; align-items: center; padding: 14px; }
.ikk-counter input { width: 100%; border: 0 !important; padding: 0 !important; outline: 0; background: transparent; color: var(--ikk-deep); font: inherit; font-size: 36px; font-weight: 800; line-height: 1; text-align: center; box-shadow: none !important; appearance: textfield; }
.ikk-counter input::-webkit-inner-spin-button { appearance: none; }
.ikk-counter span { margin-top: 6px; color: #786f88; font-size: 12px; font-weight: 700; text-transform: uppercase; }
.ikk-price-card { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; overflow: hidden; margin: 0 0 14px; border: 1px solid var(--ikk-border); border-radius: 16px; background: var(--ikk-border); }
.ikk-price-card > div { display: flex; flex-direction: column; gap: 5px; padding: 20px; background: #fff; }
.ikk-price-card span { color: #786f88; font-size: 13px; }
.ikk-price-card strong { color: var(--ikk-deep); font-size: 24px; }
.ikk-tier-note { margin: 0 0 28px; padding: 13px 16px; border-radius: 10px; background: var(--ikk-soft); color: var(--ikk-violet); font-size: 14px; font-weight: 700; text-align: center; }
.ikk-addons { display: grid; gap: 12px; margin: 26px 0 30px; }
.ikk-addon { display: grid; grid-template-columns: 42px 1fr auto; gap: 16px; align-items: center; width: 100%; padding: 18px; border: 1px solid var(--ikk-border); border-radius: 15px; background: #fff; color: var(--ikk-text); text-align: left; cursor: pointer; transition: .2s ease; }
.ikk-addon:hover { border-color: var(--ikk-lilac); transform: translateY(-1px); box-shadow: 0 10px 28px rgba(51, 32, 90, .08); }
.ikk-addon.is-selected { border-color: var(--ikk-violet); background: #fbfaff; box-shadow: inset 0 0 0 1px var(--ikk-violet); }
.ikk-addon__check { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--ikk-border); border-radius: 50%; background: #fff; color: var(--ikk-violet); font-size: 20px; font-weight: 800; }
.ikk-addon.is-selected .ikk-addon__check { border-color: var(--ikk-violet); background: var(--ikk-violet); color: #fff; }
.ikk-addon__body, .ikk-addon__price { display: flex; flex-direction: column; gap: 5px; }
.ikk-addon__body strong, .ikk-addon__price strong { color: var(--ikk-deep); font-size: 16px; }
.ikk-addon small { color: #786f88; font-size: 12px; line-height: 1.4; }
.ikk-addon__price { min-width: 135px; text-align: right; }
.ikk-summary { margin: 28px 0 0; overflow: hidden; border: 1px solid var(--ikk-border); border-radius: 16px; }
.ikk-summary__row { display: flex; justify-content: space-between; gap: 24px; align-items: center; padding: 18px 20px; border-bottom: 1px solid var(--ikk-border); }
.ikk-summary__row:last-child { border-bottom: 0; }
.ikk-summary__row span { display: flex; flex-direction: column; gap: 4px; }
.ikk-summary__row strong { color: var(--ikk-deep); }
.ikk-summary__row small, .ikk-summary__empty { color: #786f88; }
.ikk-summary__empty { margin: 0; padding: 18px 20px; font-size: 14px; }
.ikk-total { display: flex; justify-content: space-between; align-items: baseline; margin: 18px 0 8px; padding: 20px; border-radius: 14px; background: var(--ikk-deep); color: #fff; }
.ikk-total strong { font-size: 30px; }
.ikk-tax-note { margin: 0 0 24px; color: #80778d; font-size: 12px; text-align: right; }
.ikk-actions { display: flex; gap: 12px; }
.ikk-primary, .ikk-secondary { min-height: 54px; padding: 14px 22px; border-radius: 10px; font: inherit; font-weight: 800; cursor: pointer; transition: .2s ease; }
.ikk-primary { flex: 1; border: 1px solid var(--ikk-amber); background: var(--ikk-amber); color: var(--ikk-deep); }
.ikk-primary:hover { border-color: var(--ikk-amber-hover); background: var(--ikk-amber-hover); transform: translateY(-1px); }
.ikk-primary:disabled { opacity: .65; cursor: wait; transform: none; }
.ikk-secondary { border: 1px solid var(--ikk-border); background: #fff; color: var(--ikk-violet); }
.ikk-secondary:hover { border-color: var(--ikk-violet); }
.ikk-error { margin: 14px 0; padding: 14px; border-radius: 10px; background: #fff0f0; color: #9c2424; font-size: 14px; font-weight: 700; }
.ikk-locked-quantity { font-weight: 700; }

@media (max-width: 640px) {
  .ikk-app { margin: 16px auto; padding: 22px 18px 24px; border-radius: 18px; }
  .ikk-progress { margin-bottom: 48px; }
  .ikk-app h2 { font-size: 31px; }
  .ikk-lead { margin-bottom: 24px; font-size: 15px; }
  .ikk-counter { grid-template-columns: 52px 1fr 52px; }
  .ikk-price-card { grid-template-columns: 1fr; }
  .ikk-addon { grid-template-columns: 38px 1fr; gap: 12px; }
  .ikk-addon__price { grid-column: 2; min-width: 0; text-align: left; }
  .ikk-addon__price { flex-direction: row; align-items: baseline; justify-content: space-between; }
  .ikk-actions { flex-direction: column-reverse; }
  .ikk-primary, .ikk-secondary { width: 100%; }
  .ikk-summary__row { align-items: flex-start; padding: 16px; }
  .ikk-total { padding: 17px; }
  .ikk-total strong { font-size: 24px; }
}