.viewer-page,
.viewer-page a,
.viewer-page button,
.viewer-page input,
.viewer-page textarea,
.viewer-page select {
  cursor: auto !important;
}

.viewer-page a,
.viewer-page button {
  cursor: pointer !important;
}

.viewer-page {
  min-height: 100vh;
}

.viewer-page .scroll-progress {
  transform: scaleX(1);
}

.viewer-shell {
  width: min(1180px, calc(100% - 32px));
  padding-top: 72px;
  padding-bottom: 72px;
}

.viewer-hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: 28px;
  align-items: end;
  margin-bottom: 28px;
}

.viewer-copy h1 {
  max-width: 700px;
  margin: 0 0 18px;
  font-size: clamp(2.6rem, 7vw, 6rem);
  line-height: 0.92;
  color: var(--text);
  letter-spacing: -0.05em;
}

.viewer-copy p {
  max-width: 620px;
  color: var(--subtext-color);
  font-size: clamp(1rem, 1.8vw, 1.24rem);
}

.viewer-form {
  gap: 18px;
  padding: 24px;
}

.viewer-form label {
  color: var(--text-color);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.viewer-input-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
}

.viewer-input-row input {
  min-width: 0;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  padding: 14px 18px;
  color: var(--text-color);
  background: var(--surface);
  font: inherit;
  outline: none;
  transition: border-color var(--transition), background var(--transition);
}

.viewer-input-row input:focus {
  border-color: var(--text-color);
  background: var(--surface-strong);
}

.viewer-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.viewer-examples button {
  border: 1px solid var(--card-border);
  border-radius: 4px;
  padding: 8px 12px;
  color: var(--subtext-color);
  background: transparent;
  font: 600 0.78rem/1.2 'Consolas', 'Courier New', monospace;
  transition: border-color var(--transition), color var(--transition);
}

.viewer-examples button:hover,
.viewer-examples button:focus-visible {
  color: var(--text-color);
  border-color: var(--text-color);
}

.viewer-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 340px);
  gap: 28px;
  align-items: stretch;
}

.viewer-stage {
  min-height: clamp(420px, 64vh, 720px);
  padding: clamp(18px, 3vw, 34px);
  justify-content: center;
  overflow: hidden;
}

.viewer-stage.is-loading::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-top: 2px solid var(--text-color);
  opacity: 0.5;
  transform: scaleX(0.16);
  transform-origin: left;
  animation: viewer-scan 1.2s ease-in-out infinite alternate;
}

@keyframes viewer-scan {
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

.viewer-empty,
.viewer-error,
.viewer-unknown {
  display: grid;
  justify-items: center;
  gap: 12px;
  max-width: 560px;
  margin: auto;
  text-align: center;
}

.viewer-empty h2,
.viewer-error h2,
.viewer-unknown h2 {
  margin: 0;
  color: var(--text-color);
  font-size: clamp(1.8rem, 4vw, 3.4rem);
}

.viewer-empty p,
.viewer-error p,
.viewer-unknown p {
  color: var(--subtext-color);
}

.viewer-empty-icon,
.viewer-file-icon {
  display: grid;
  place-items: center;
  width: 74px;
  height: 74px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-color);
  background: var(--surface);
  font: 800 2.4rem/1 'Outfit', sans-serif;
}

.viewer-media {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
}

.viewer-media video,
.viewer-media img,
.viewer-media iframe,
.viewer-media embed {
  display: block;
  width: 100%;
  max-width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 18px;
  background: #000;
}

.viewer-media video {
  max-height: min(68vh, 680px);
  object-fit: contain;
}

.viewer-media img {
  max-height: min(68vh, 680px);
  object-fit: contain;
}

.viewer-media audio {
  width: min(100%, 720px);
}

.viewer-media iframe,
.viewer-media embed {
  min-height: min(68vh, 680px);
}

.viewer-code-wrap {
  width: 100%;
  max-height: min(68vh, 700px);
  display: flex;
  flex-direction: column;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  color: #e4e4e7;
  background: rgba(0, 0, 0, 0.42);
}

.viewer-code-toolbar {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--subtext-color);
  background: rgba(0, 0, 0, 0.72);
  font: 700 0.72rem/1.2 'Consolas', 'Courier New', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.viewer-code {
  width: 100%;
  padding: 22px;
  font: 0.9rem/1.65 'Consolas', 'Courier New', monospace;
  white-space: pre-wrap;
  word-break: break-word;
}

.viewer-code-pretext {
  display: grid;
  gap: 0;
  padding: 14px 0 18px;
  overflow: visible;
}

.viewer-code-line {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 14px;
  min-height: 23px;
  padding: 0 22px;
}

.viewer-code-line:hover {
  background: rgba(255, 255, 255, 0.045);
}

.viewer-code-line-number {
  color: rgba(255, 255, 255, 0.34);
  text-align: right;
  user-select: none;
}

.viewer-code-line-text {
  min-width: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.viewer-info {
  align-self: stretch;
  gap: 18px;
  padding: 26px;
}

.viewer-info dl {
  display: grid;
  gap: 18px;
}

.viewer-info dt {
  margin-bottom: 4px;
  color: var(--subtext-color);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.viewer-info dd {
  overflow-wrap: anywhere;
  color: var(--text-color);
  font-weight: 600;
}

.viewer-download {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: auto;
  text-align: center;
}

.viewer-download.is-disabled {
  opacity: 0.42;
  pointer-events: none;
}

.viewer-note {
  color: var(--subtext-color);
  font-size: 0.95rem;
}

html.light .viewer-input-row input,
html.light .viewer-examples button,
html.light .viewer-empty-icon,
html.light .viewer-file-icon,
body.light .viewer-input-row input,
body.light .viewer-examples button,
body.light .viewer-empty-icon,
body.light .viewer-file-icon {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.08);
}

html.light .viewer-code-wrap,
html.light .viewer-code,
body.light .viewer-code-wrap,
body.light .viewer-code {
  color: #18181b;
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(0, 0, 0, 0.08);
}

html.light .viewer-code-toolbar,
body.light .viewer-code-toolbar {
  border-color: rgba(0, 0, 0, 0.08);
  background: rgba(255, 255, 255, 0.86);
}

html.light .viewer-code-line:hover,
body.light .viewer-code-line:hover {
  background: rgba(0, 0, 0, 0.035);
}

html.light .viewer-code-line-number,
body.light .viewer-code-line-number {
  color: rgba(23, 24, 27, 0.42);
}

@media (max-width: 900px) {
  .viewer-shell {
    width: min(100% - 24px, 760px);
    padding-top: 34px;
  }

  .viewer-hero,
  .viewer-grid {
    grid-template-columns: 1fr;
  }

  .viewer-copy h1 {
    font-size: clamp(2.4rem, 14vw, 4.8rem);
  }

  .viewer-input-row {
    grid-template-columns: 1fr;
  }

  .viewer-stage {
    min-height: 360px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .viewer-stage.is-loading::before,
  .primary-glow::after {
    animation: none !important;
  }

  .viewer-examples button,
  .viewer-input-row input {
    transition: none !important;
  }
}