:root {
  color-scheme: light;
  --page-bg: #f4f1ea;
  --panel-bg: rgba(255, 255, 255, 0.92);
  --panel-border: rgba(32, 24, 18, 0.08);
  --text-main: #201812;
  --text-subtle: #6f665f;
  --link: #2b5f9e;
  --link-hover: #173a66;
  --backdrop: rgba(17, 14, 12, 0.68);
  --modal-bg: #ffffff;
  --modal-shadow: 0 28px 48px rgba(0, 0, 0, 0.2), 0 56px 140px rgba(0, 0, 0, 0.34);
  --modal-shadow-dragging: 0 20px 34px rgba(0, 0, 0, 0.16), 0 40px 96px rgba(0, 0, 0, 0.26);
  --modal-border: rgba(32, 24, 18, 0.12);
  --radius: 20px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.9), transparent 28%),
    linear-gradient(180deg, #f8f5ef 0%, var(--page-bg) 100%);
  color: var(--text-main);
}

body {
  padding: 40px 24px 64px;
}

.shell {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
}

.intro {
  display: grid;
  gap: 10px;
}

.eyebrow {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-subtle);
}

h1 {
  margin: 0;
  font-size: clamp(32px, 4vw, 52px);
  line-height: 0.96;
  letter-spacing: -0.04em;
}

.lede {
  margin: 0;
  max-width: 720px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-subtle);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  backdrop-filter: blur(12px);
  padding: 28px;
}

.panel-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.panel-title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.panel-copy {
  margin: 4px 0 0;
  font-size: 14px;
  color: var(--text-subtle);
}

.configurator-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.configurator-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(32, 24, 18, 0.08);
  border-radius: 16px;
}

.configurator-name {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.configurator-meta {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--text-subtle);
  word-break: break-word;
}

.configurator-link {
  color: var(--link);
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  white-space: nowrap;
}

.configurator-link:hover,
.configurator-link:focus-visible {
  color: var(--link-hover);
  text-decoration: underline;
}

.configurator-link:focus-visible,
.modal-close:focus-visible {
  outline: 2px solid rgba(43, 95, 158, 0.35);
  outline-offset: 3px;
}

.empty-state {
  margin: 0;
  padding: 22px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--text-subtle);
  font-size: 14px;
  line-height: 1.6;
}

.modal-root {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
}

.modal-root[data-open="true"] {
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--backdrop);
}

.modal-window {
  position: relative;
  width: 90vw;
  height: 90vh;
  min-width: 320px;
  min-height: 320px;
  display: grid;
  grid-template-rows: auto 1fr;
  background: var(--modal-bg);
  border: 1px solid var(--modal-border);
  border-radius: var(--radius);
  box-shadow: var(--modal-shadow);
  overflow: hidden;
  max-width: 90vw;
  max-height: 90vh;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(32, 24, 18, 0.08);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 241, 235, 0.95));
}

.modal-title-wrap {
  min-width: 0;
}

.modal-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-subtitle {
  margin: 4px 0 0;
  font-size: 12px;
  color: var(--text-subtle);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-close {
  appearance: none;
  border: none;
  background: rgba(32, 24, 18, 0.06);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 999px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
  flex: 0 0 auto;
}

.modal-close:hover {
  background: rgba(32, 24, 18, 0.12);
}

.modal-body {
  position: relative;
  min-height: 0;
  background: #ffffff;
}

.viewer-frame {
  display: block;
  width: 100%;
  height: 100%;
}

@media (max-width: 720px) {
  body {
    padding: 24px 16px 48px;
  }

  .panel {
    padding: 20px;
  }

  .configurator-item {
    grid-template-columns: 1fr;
  }

  .modal-window {
    width: calc(100vw - 32px);
    height: calc(100vh - 32px);
    max-width: calc(100vw - 32px);
    max-height: calc(100vh - 32px);
  }
}