:root {
  --bg: #fff;
  --bg-soft: #fff;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-strong: rgba(255, 255, 255, 0.9);
  --surface: rgba(255, 255, 255, 0.48);
  --surface-strong: rgba(255, 255, 255, 0.82);
  --ink: #151a17;
  --ink-inverted: #fffdf9;
  --muted: #68716a;
  --line: rgba(21, 26, 23, 0.09);
  --line-strong: rgba(21, 26, 23, 0.16);
  --accent: #2f7d68;
  --accent-soft: rgba(47, 125, 104, 0.08);
  --selected-line: rgba(47, 125, 104, 0.28);
  --inline-note-bg: rgba(21, 26, 23, 0.045);
  --keyboard-special-bg: rgba(232, 232, 232, 0.95);
  --qr-frame-bg: transparent;
  --glass-button-bg: rgba(255, 255, 255, 0.24);
  --glass-button-bg-hover: rgba(255, 255, 255, 0.48);
  --glass-button-border: rgba(255, 255, 255, 0.42);
  --glass-button-shadow: 0 10px 30px rgba(21, 26, 23, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.72);
  --error: #a83f2f;
  --radius-lg: 1.1rem;
  --radius-md: 0.85rem;
  --shadow: none;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #10100f;
    --bg-soft: #10100f;
    --panel: rgba(26, 25, 23, 0.78);
    --panel-strong: rgba(31, 30, 28, 0.92);
    --surface: rgba(255, 255, 255, 0.055);
    --surface-strong: rgba(255, 255, 255, 0.1);
    --ink: #f3eee7;
    --ink-inverted: #10100f;
    --muted: #b8ada1;
    --line: rgba(255, 255, 255, 0.13);
    --line-strong: rgba(255, 255, 255, 0.22);
    --accent: #7fd8bc;
    --accent-soft: rgba(127, 216, 188, 0.12);
    --selected-line: rgba(127, 216, 188, 0.38);
    --inline-note-bg: rgba(255, 255, 255, 0.085);
    --keyboard-special-bg: rgba(255, 255, 255, 0.16);
    --qr-frame-bg: #fff;
    --glass-button-bg: rgba(31, 30, 28, 0.26);
    --glass-button-bg-hover: rgba(31, 30, 28, 0.52);
    --glass-button-border: rgba(255, 255, 255, 0.18);
    --glass-button-shadow: 0 10px 30px rgba(0, 0, 0, 0.34), inset 0 1px 0 rgba(255, 255, 255, 0.18);
    --error: #ff9a88;
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--bg-soft);
  color-scheme: light dark;
}

body {
  background: var(--bg-soft);
  color: var(--ink);
  font-family: "Avenir Next", "Segoe UI", "Noto Sans", "PingFang SC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-weight: 400;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: none;
}

button,
input,
select {
  font: inherit;
}

#app {
  width: 100%;
  margin: 0 auto;
  padding: 1.8rem clamp(1rem, 4vw, 2.5rem) 3rem;
}

.page-title,
.rime-section-title {
  margin: 0;
  font-family: "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  font-weight: 500;
  letter-spacing: 0;
}

.page-title {
  font-size: clamp(2.7rem, 6vw, 4.9rem);
  line-height: 0.96;
  white-space: nowrap;
}

.rime-section-title {
  font-size: 1.45rem;
  line-height: 1.05;
}

.rime-section-copy,
.rime-help-text,
.rime-empty-state {
  margin: 0;
  color: var(--muted);
}

.rime-unready-device {
  text-decoration-line: line-through;
  text-decoration-thickness: 0.11em;
  text-decoration-color: var(--error);
}

.rime-config-shell,
.rime-museum-shell,
.rime-primary-column,
.rime-section-header,
.rime-option-copy,
.keyboard-preview,
.rime-footer {
  display: flex;
  flex-direction: column;
}

.rime-config-shell {
  gap: 1rem;
}

.rime-museum-shell {
  gap: 1.25rem;
}

.rime-hero-card,
.rime-section,
.rime-notes-card {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.rime-hero-card {
  padding: 0 0 0.9rem;
  background: transparent;
}

.rime-section,
.rime-notes-card {
  padding: 0.95rem 0 0;
}

.rime-exhibit-overview {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 0 0 1.1rem;
}

.rime-exhibit-copy {
  width: 100%;
  min-width: 0;
}

.rime-exhibit-copy .rime-hero-copy {
  max-width: 38rem;
}

.rime-hero-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
}

.rime-back-link,
.rime-platform-tab {
  color: var(--ink);
  text-decoration: none;
}

.rime-back-link {
  display: inline-flex;
  margin-bottom: 0.65rem;
  color: var(--accent);
  font-size: 0.86rem;
  font-weight: 600;
}

.rime-platform-tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 1rem;
}

.rime-platform-tab {
  display: inline-flex;
  align-items: center;
  min-height: 2.3rem;
  padding: 0.46rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.rime-platform-tab:hover,
.rime-platform-tab.is-active {
  border-color: var(--selected-line);
  background: var(--accent-soft);
  color: var(--ink);
}

.rime-language-toggle {
  flex: 0 0 auto;
  appearance: none;
  display: inline-flex;
  min-width: 2.7rem;
  align-items: center;
  justify-content: center;
  padding: 0.38rem 0.72rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 600;
}

.rime-language-toggle:hover {
  border-color: var(--selected-line);
  color: var(--ink);
}

.rime-config-grid {
  display: block;
}

.rime-primary-column {
  gap: 1.1rem;
}

.rime-section-header,
.keyboard-preview {
  gap: 0.5rem;
}

.rime-platform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.rime-schema-categories {
  display: flex;
  flex-direction: column;
  gap: 1.35rem;
}

.rime-schema-category {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr);
  gap: 0.75rem 1rem;
  align-items: stretch;
}

.rime-schema-category-title {
  display: inline-flex;
  align-items: center;
  margin: 0;
  color: var(--accent);
  font-size: clamp(1.15rem, 1.55vw, 1.55rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0;
  text-transform: none;
  text-orientation: mixed;
  writing-mode: vertical-rl;
}

.rime-schema-category-title::after {
  content: none;
}

.rime-option-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 22rem), 1fr));
  gap: 0.7rem;
  justify-content: start;
}

.rime-option-card,
.rime-exhibit-card,
.rime-layout-card,
.rime-build-button {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  color: var(--ink);
}

.rime-build-button {
  appearance: none;
  background: transparent;
}

.rime-option-card.is-selected,
.rime-option-card:has(.rime-option-input:checked),
.rime-exhibit-card:hover {
  border-color: var(--selected-line);
  background: var(--accent-soft);
}

.rime-option-card,
.rime-exhibit-card,
.rime-layout-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 0.65rem;
  background: transparent;
  min-width: 0;
}

.rime-exhibit-card {
  text-decoration: none;
}

.rime-option-card {
  cursor: pointer;
}

.rime-option-card.is-auto {
  cursor: default;
  border-style: dashed;
}

.rime-option-card .rime-option-copy {
  gap: 0.3rem;
}

.rime-option-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.rime-option-action {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 600;
}

.rime-option-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.rime-platform-hint,
.rime-inline-note {
  font-size: 0.82rem;
}

.rime-option-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.rime-platform-label,
.rime-option-title {
  font-size: 1rem;
  font-weight: 600;
}

.rime-inline-note {
  display: none;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
  background: var(--inline-note-bg);
}

.rime-card-description {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.45;
}

.rime-option-card.is-auto .rime-inline-note {
  display: inline-flex;
}

.rime-build-button {
  width: 100%;
  padding: 0.92rem 1rem;
  cursor: pointer;
  background: transparent;
  color: var(--ink);
  font-weight: 600;
}

.rime-build-button:hover {
  border-color: var(--selected-line);
  background: var(--accent-soft);
}

.rime-build-button-secondary {
  border-color: var(--selected-line);
}

.rime-exhibit-download {
  min-width: 0;
  width: min(100%, 46rem);
}

.rime-definition-panel {
  display: grid;
  gap: 0.75rem;
  width: min(100%, 76rem);
  min-width: 0;
  padding-top: 0.9rem;
}

.rime-definition-code {
  overflow: auto;
  min-width: 0;
  max-height: 24rem;
  margin: 0;
  padding: 0.85rem 0;
  color: var(--ink);
  font-family: "SFMono-Regular", "SF Mono", Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre;
}

.rime-detail-preview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 21rem), 1fr));
  gap: 0.75rem;
  min-width: 0;
  width: 100%;
}

.rime-target-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  min-width: 0;
  margin: 0;
  padding: 0.75rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--surface), transparent 20%);
}

.rime-target-preview-title {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 650;
  line-height: 1;
  text-transform: uppercase;
}

.rime-detail-preview .keyboard-preview-svg-wrap {
  display: flex;
  height: clamp(14rem, 28vw, 22rem);
  align-items: center;
  justify-content: center;
  margin-top: 0.35rem;
  width: 100%;
}

.rime-detail-preview .keyboard-preview-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.rime-target-download-form {
  display: flex;
  position: absolute;
  top: 0.55rem;
  right: 0.55rem;
  margin: 0;
}

.rime-target-add-button {
  display: inline-flex;
  width: 2.05rem;
  height: 2.05rem;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  appearance: none;
  background: color-mix(in oklab, var(--surface), transparent 8%);
  color: var(--ink);
  cursor: pointer;
  font-size: 1.45rem;
  font-weight: 500;
  line-height: 1;
}

.rime-target-add-button:hover {
  border-color: var(--selected-line);
  background: var(--accent-soft);
}

.rime-target-add-button-secondary {
  border-color: var(--selected-line);
}

.rime-artifact-form {
  display: grid;
  grid-template-columns: minmax(11rem, 18rem) minmax(0, 1fr);
  gap: 0.65rem;
  margin: 0;
  align-items: start;
}

.rime-artifact-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 0.65rem;
  align-items: start;
}

.rime-artifact-action {
  display: grid;
  gap: 0.45rem;
  min-width: 0;
}

.rime-exhibit-download .rime-artifact-form {
  grid-template-columns: minmax(0, 28rem);
  gap: 0.65rem;
  align-self: start;
}

.rime-exhibit-download .rime-artifact-buttons .rime-build-button {
  width: 100%;
  min-width: 0;
}

.rime-variant-control {
  display: inline-flex;
  width: fit-content;
  max-width: 100%;
  min-height: 2.7rem;
  align-items: center;
  gap: 0.45rem;
  padding: 0.36rem 0.5rem 0.36rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
}

.rime-variant-label {
  flex: 0 0 auto;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 600;
}

.rime-variant-select {
  width: auto;
  max-width: min(9rem, 42vw);
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.92rem;
  font-weight: 600;
}

.rime-variant-select:focus-visible {
  outline: 2px solid var(--selected-line);
  outline-offset: 2px;
}

.rime-sticky-actions {
  position: sticky;
  bottom: 0.85rem;
  z-index: 5;
  display: flex;
  justify-content: center;
  margin-top: 1rem;
  padding: 0.35rem 0;
  pointer-events: none;
}

.rime-sticky-build-button {
  width: auto;
  min-width: max-content;
  min-height: 2.55rem;
  padding: 0.68rem 1.05rem;
  border-radius: 999px;
  border-color: var(--glass-button-border);
  background: var(--glass-button-bg);
  box-shadow: var(--glass-button-shadow);
  font-size: 0.96rem;
  backdrop-filter: blur(20px) saturate(1.55);
  -webkit-backdrop-filter: blur(20px) saturate(1.55);
  pointer-events: auto;
  white-space: nowrap;
}

.rime-sticky-build-button:hover {
  border-color: var(--selected-line);
  background: var(--glass-button-bg-hover);
}

.rime-build-button.is-disabled,
.rime-build-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.rime-footer {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: start;
  gap: 0.75rem 1rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

.rime-category-heading,
.rime-exhibit-section,
.rime-layout-card {
  display: flex;
  flex-direction: column;
}

.rime-category-heading {
  align-items: center;
  gap: 0.65rem;
  min-height: 100%;
  padding-top: 0.2rem;
}

.rime-category-heading::after {
  content: "";
  width: 1px;
  min-height: 3.5rem;
  flex: 1 1 auto;
  background: var(--line);
}

.rime-exhibit-section {
  gap: 0.7rem;
}

.rime-layout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 24rem), 1fr));
  gap: 0.7rem;
}

.rime-dependency-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.rime-dependency-list code {
  display: inline-flex;
  padding: 0.12rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
}

.rime-footer a {
  color: var(--accent);
  text-decoration: none;
}

.rime-footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.rime-footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: flex-start;
}

.rime-deps-section {
  padding-top: 0.95rem;
}

.rime-footer-support {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  justify-content: flex-end;
  text-align: right;
}

.rime-footer-support-image {
  display: block;
  width: 5.6rem;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 0.6rem;
  background: var(--qr-frame-bg);
}

.keyboard-preview {
  width: 100%;
  margin: 0;
}

.rime-schema-previews {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  margin-top: 0.1rem;
  width: 100%;
}

.rime-schema-preview,
.rime-layout-preview {
  overflow: hidden;
  width: 100%;
}

.keyboard-preview-svg {
  display: block;
  width: 100%;
  height: auto;
}

.rime-exhibit-card .keyboard-preview-svg {
  width: auto;
  max-width: 100%;
  margin: 0 auto;
}

.keyboard-preview-svg-wrap {
  width: 100%;
}

.rime-error-text {
  margin: 0;
  color: var(--error);
}

.rime-empty-state {
  font-size: 0.92rem;
}

.rime-footer-credit {
  flex: 1 1 12rem;
}

@media (max-width: 860px) {
  #app {
    padding: 1.25rem 0.9rem 2.6rem;
  }

  .rime-exhibit-download .rime-artifact-form {
    grid-template-columns: 1fr;
  }

  .rime-exhibit-download .rime-artifact-buttons {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .rime-platform-grid {
    grid-template-columns: 1fr;
  }

}

@media (max-width: 640px) {
  .rime-footer {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.75rem;
  }

  .rime-footer-support {
    justify-content: flex-end;
    text-align: right;
  }

  .rime-footer-support-image {
    width: clamp(4.25rem, 22vw, 5.6rem);
  }

  .rime-schema-category {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .rime-category-heading {
    align-items: stretch;
    min-height: 0;
    padding-top: 0;
  }

  .rime-category-heading::after {
    content: none;
  }

  .rime-schema-category-title {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    font-size: clamp(1.45rem, 7vw, 2rem);
    writing-mode: horizontal-tb;
  }

  .rime-schema-category-title::after {
    content: "";
    height: 1px;
    flex: 1 1 auto;
    background: var(--line);
  }

  .rime-hero-card,
  .rime-section,
  .rime-notes-card {
    padding-left: 0;
    padding-right: 0;
  }

  .page-title {
    font-size: clamp(2.1rem, 10vw, 3rem);
    white-space: normal;
    line-height: 1;
  }

  .keyboard-preview {
    max-width: none;
  }

  .rime-sticky-actions {
    bottom: 0.65rem;
  }

  .rime-sticky-build-button {
    max-width: calc(100vw - 1.8rem);
    min-height: 2.75rem;
    padding: 0.72rem 1rem;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .rime-artifact-form {
    width: 100%;
    grid-template-columns: 1fr;
  }

  .rime-exhibit-download .rime-artifact-buttons {
    grid-template-columns: 1fr;
  }

  .rime-artifact-buttons {
    grid-template-columns: 1fr;
  }

  .rime-artifact-buttons .rime-build-button {
    min-width: 0;
  }

}