:root {
  --brand-green: #108474;
  --brand-accent: #f7614d;
  --brand-text: #3c393a;
  --brand-bg: #f7f6f8;
  --brand-soft: #e8e7eb;
  --brand-ink: #252627;
  --brand-white: #ffffff;
  --radius-lg: 22px;
  --radius-md: 14px;
  --shadow: 0 18px 50px rgba(60, 57, 58, 0.12);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Open Sans", sans-serif;
  color: var(--brand-text);
  background: linear-gradient(135deg, #fff 0%, var(--brand-bg) 48%, #edf5f5 100%);
}

body {
  position: relative;
  overflow-x: hidden;
}

.bg-shape {
  position: fixed;
  border-radius: 999px;
  filter: blur(24px);
  z-index: 0;
  pointer-events: none;
}

.bg-shape-a {
  width: 420px;
  height: 420px;
  top: -120px;
  right: -80px;
  background: radial-gradient(circle at center, rgba(16, 132, 116, 0.28), rgba(16, 132, 116, 0));
}

.bg-shape-b {
  width: 420px;
  height: 420px;
  bottom: -140px;
  left: -90px;
  background: radial-gradient(circle at center, rgba(247, 97, 77, 0.22), rgba(247, 97, 77, 0));
}

.shell {
  position: relative;
  z-index: 1;
  max-width: 1260px;
  margin: 0 auto;
  padding: 28px 20px 42px;
}

.hero {
  padding: 12px 6px 24px;
}

.brand {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  font-weight: 800;
  letter-spacing: 0.08em;
  font-size: 12px;
}

.hero h1 {
  margin: 12px 0 10px;
  font-size: clamp(26px, 3.2vw, 46px);
  line-height: 1.06;
}

.hero p {
  margin: 0;
  max-width: 680px;
  color: #616161;
}

.layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 20px;
  align-items: start;
}

.card {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(7px);
  border: 1px solid rgba(37, 38, 39, 0.08);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
}

.wizard {
  padding: 18px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 8px;
}

.step-item {
  border: 0;
  cursor: pointer;
  background: var(--brand-soft);
  color: #5e5b5c;
  border-radius: 12px;
  padding: 9px 8px;
  font-size: 12px;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
  transition: 0.24s ease;
}

.step-item span {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.9);
  display: grid;
  place-items: center;
  font-size: 11px;
}

.step-item:hover {
  transform: translateY(-1px);
}

.step-item.is-active {
  background: var(--brand-green);
  color: #fff;
}

.step-item.is-active span {
  color: var(--brand-green);
}

.step-item.is-done {
  background: #d6efeb;
  color: var(--brand-green);
}

.step-panels {
  margin-top: 16px;
}

.step-panel {
  display: none;
  animation: panel-enter 0.28s ease;
}

.step-panel.is-active {
  display: block;
}

@keyframes panel-enter {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

h2 {
  margin: 4px 0 8px;
  font-size: clamp(21px, 2.2vw, 30px);
}

h3 {
  margin: 0 0 10px;
  font-size: 14px;
}

.muted {
  margin: 0 0 14px;
  color: #6b696a;
  font-size: 14px;
}

.option-grid {
  display: grid;
  gap: 10px;
}

.option-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.option-grid.four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.option-card,
.layout-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 6px;
  border: 1px solid rgba(37, 38, 39, 0.12);
  border-radius: var(--radius-md);
  background: #fff;
  padding: 12px;
  min-height: 122px;
  cursor: pointer;
  transition: 0.2s ease;
}

.layout-card {
  min-height: 116px;
  justify-items: center;
}

.option-card input,
.layout-card input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.option-card strong,
.layout-card strong {
  font-size: 14px;
}

.option-card span {
  font-size: 12px;
  color: #666;
}

.option-card em {
  margin-top: auto;
  font-style: normal;
  font-weight: 800;
  font-size: 13px;
  color: var(--brand-green);
}

.option-card.compact {
  min-height: 72px;
}

.finish-card {
  min-height: 124px;
  gap: 8px;
}

.finish-swatch {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(37, 38, 39, 0.2);
}

.finish-track {
  display: block;
  width: 100%;
  height: 10px;
  border-radius: 999px;
  border: 1px solid rgba(37, 38, 39, 0.18);
}

.swatch-black {
  background: #252627;
}

.swatch-white {
  background: #f7f6f8;
}

.swatch-champagne {
  background: #d7bd8b;
}

.temp-card {
  min-height: 124px;
  gap: 8px;
  overflow: hidden;
}

.temp-card .temp-glow {
  display: block;
  width: 100%;
  height: 18px;
  border-radius: 999px;
  border: 1px solid rgba(37, 38, 39, 0.15);
  animation: glow-pulse 2.2s ease-in-out infinite;
}

.temp-card.temp-3000 .temp-glow {
  background: linear-gradient(90deg, #ff9f45 0%, #ffd18c 100%);
}

.temp-card.temp-4000 .temp-glow {
  background: linear-gradient(90deg, #fff1c7 0%, #fff9e9 100%);
}

.temp-card.temp-cct .temp-glow {
  background: linear-gradient(90deg, #ffb66c 0%, #fff4d0 45%, #d2ecff 100%);
}

@keyframes glow-pulse {
  0% {
    filter: saturate(0.9);
  }
  50% {
    filter: saturate(1.15);
  }
  100% {
    filter: saturate(0.9);
  }
}

.shape {
  width: 62px;
  height: 38px;
  border-radius: 10px;
  border: 4px solid var(--brand-ink);
}

.shape.line {
  border-bottom: 0;
  border-left: 0;
  border-right: 0;
  border-radius: 0;
  height: 12px;
  width: 70px;
}

.shape.l-shape {
  border-top: 0;
  border-right: 0;
  border-radius: 0 0 0 12px;
}

.shape.u-shape {
  border-top: 0;
  border-radius: 0 0 12px 12px;
}

.shape.rectangle {
  border-radius: 8px;
}

.option-card:has(input:checked),
.layout-card:has(input:checked) {
  border-color: var(--brand-accent);
  box-shadow: 0 0 0 3px rgba(247, 97, 77, 0.12);
}

.finish-card:has(input:checked) .finish-swatch {
  box-shadow: 0 0 0 4px rgba(247, 97, 77, 0.2);
}

.finish-card:has(input:checked) .finish-track,
.temp-card:has(input:checked) .temp-glow {
  box-shadow: 0 0 0 3px rgba(16, 132, 116, 0.14);
}

.field-grid {
  margin-top: 12px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.range-field {
  border: 1px solid rgba(37, 38, 39, 0.12);
  border-radius: var(--radius-md);
  padding: 12px;
  display: grid;
  gap: 8px;
  background: #fff;
}

.range-field span {
  font-size: 12px;
  color: #6b696a;
}

.range-field input[type="number"] {
  width: 100%;
  height: 40px;
  border-radius: 10px;
  border: 1px solid rgba(37, 38, 39, 0.2);
  padding: 0 10px;
  font-size: 14px;
}

input[type="range"] {
  width: 100%;
  accent-color: var(--brand-green);
}

.split {
  display: grid;
  gap: 12px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.product-card {
  border-radius: 14px;
  border: 1px solid rgba(37, 38, 39, 0.12);
  background: #fff;
  padding: 12px;
  display: grid;
  gap: 8px;
}

.product-code {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--brand-green);
}

.product-name {
  min-height: 38px;
  font-size: 13px;
  font-weight: 700;
}

.product-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.price {
  font-size: 13px;
  font-weight: 800;
}

.qty {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(37, 38, 39, 0.2);
  border-radius: 999px;
  overflow: hidden;
}

.qty button {
  width: 27px;
  height: 26px;
  border: 0;
  background: #fff;
  color: var(--brand-text);
  cursor: pointer;
  font-size: 16px;
}

.qty span {
  width: 34px;
  text-align: center;
  font-size: 13px;
  font-weight: 700;
}

.accessories {
  display: grid;
  gap: 8px;
}

.accessory-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid rgba(37, 38, 39, 0.11);
  border-radius: 12px;
  padding: 12px;
  background: #fff;
}

.accessory-item label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  font-weight: 600;
}

.accessory-item input {
  accent-color: var(--brand-accent);
}

.wizard-actions {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(37, 38, 39, 0.1);
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.btn {
  border: 0;
  border-radius: 999px;
  min-height: 44px;
  padding: 0 18px;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--brand-accent);
  color: #fff;
}

.btn-secondary {
  background: var(--brand-soft);
  color: var(--brand-text);
}

.summary {
  position: sticky;
  top: 16px;
  padding: 18px;
}

.preview {
  border-radius: 14px;
  min-height: 185px;
  margin-bottom: 12px;
  background: linear-gradient(160deg, #242526 0%, #3a3d3f 100%);
  display: grid;
  place-items: center;
}

.summary-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.summary-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px dashed rgba(37, 38, 39, 0.14);
  padding-bottom: 7px;
  font-size: 13px;
}

.summary-total {
  margin-top: 12px;
  background: #fff;
  border: 1px solid rgba(37, 38, 39, 0.12);
  border-radius: 14px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.summary-total strong {
  font-size: 25px;
  color: var(--brand-green);
}

.note {
  margin: 10px 0 0;
  color: #6b696a;
  font-size: 12px;
}

.final-summary {
  border: 1px solid rgba(37, 38, 39, 0.12);
  border-radius: 14px;
  background: #fff;
  padding: 12px;
}

.final-summary ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.final-summary li {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  font-size: 13px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%) translateY(22px);
  background: var(--brand-ink);
  color: #fff;
  border-radius: 999px;
  padding: 12px 16px;
  font-size: 13px;
  opacity: 0;
  transition: 0.24s ease;
  pointer-events: none;
  z-index: 5;
}

.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 1120px) {
  .layout {
    grid-template-columns: 1fr;
  }

  .summary {
    position: static;
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 780px) {
  .wizard {
    padding: 14px;
  }

  .steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .option-grid.three,
  .option-grid.four,
  .field-grid {
    grid-template-columns: 1fr;
  }

  .product-grid {
    grid-template-columns: 1fr;
  }

  .step-item {
    font-size: 11px;
  }
}