:root {
  color-scheme: dark;
  --bg: #111118;
  --panel: #1f1f28;
  --panel-2: #181820;
  --line: #363646;
  --text: #dcd7ba;
  --muted: #c8c093;
  --quiet: #938aa9;
  --blue: #7e9cd8;
  --green: #98bb6c;
  --red: #e46876;
  --orange: #ffa066;
  --button-text: #111118;
  --shadow: 0 28px 90px #0009;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 0%, color-mix(in srgb, var(--blue) 34%, transparent), transparent 34rem),
    radial-gradient(circle at 100% 10%, color-mix(in srgb, var(--orange) 28%, transparent), transparent 30rem),
    var(--bg);
  color: var(--text);
}

button, input, textarea { font: inherit; }

button, a.download, a.button {
  border: 0;
  border-radius: 999px;
  padding: 0.68rem 0.92rem;
  background: var(--blue);
  color: var(--button-text);
  font-weight: 800;
  cursor: pointer;
  text-decoration: none;
  box-shadow: 0 8px 24px #0005;
}

button.secondary, a.button.secondary { background: var(--green); }
button.ghost, a.button.ghost { background: color-mix(in srgb, var(--panel-2) 82%, var(--text) 18%); color: var(--text); }
button:disabled { opacity: 0.55; cursor: wait; }

.app {
  width: min(1720px, calc(100vw - 28px));
  margin: 14px auto;
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: 14px;
}

.panel {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.controls {
  position: sticky;
  top: 14px;
  height: calc(100vh - 28px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
}

.workspace {
  min-height: calc(100vh - 28px);
  padding: 22px;
  display: grid;
  grid-template-rows: auto 8px minmax(420px, 1fr) auto auto;
  gap: 16px;
}

h1 { margin: 0 0 0.45rem; font-size: clamp(1.75rem, 3vw, 2.5rem); letter-spacing: -0.06em; }
.brand { display: flex; align-items: center; gap: 0.65rem; }
.brand-logo { width: 2.85rem; height: 2.85rem; flex: 0 0 auto; border-radius: 0.72rem; filter: drop-shadow(0 0 16px color-mix(in srgb, var(--blue) 42%, transparent)); }
.hero-copy {
  display: grid;
  gap: 10px;
  margin: 14px 0;
  padding: 14px;
  border: 1px solid color-mix(in srgb, var(--line) 70%, var(--blue) 30%);
  border-radius: 22px;
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--blue) 20%, transparent), transparent 18rem),
    var(--panel-2);
}

.hero-copy h2 {
  font-size: clamp(1.55rem, 2.6vw, 2.35rem);
  letter-spacing: -0.055em;
}

.hero-copy p { margin: 0; }
.eyebrow, .trust-line { color: var(--quiet); font-size: 0.78rem; font-weight: 800; letter-spacing: 0.11em; text-transform: uppercase; }
.trust-line { letter-spacing: 0.04em; text-transform: none; }
.cta-row { display: flex; flex-wrap: wrap; gap: 8px; }
h2 { margin: 0; font-size: 1.35rem; }
p { color: var(--muted); line-height: 1.4; }
form { display: grid; gap: 9px; }
fieldset { min-width: 0; display: grid; gap: 8px; border: 1px solid var(--line); border-radius: 18px; padding: 10px; }
legend { padding: 0 0.35rem; color: var(--quiet); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.14em; }

.control { display: grid; min-width: 0; gap: 4px; }
.control-head { display: flex; justify-content: space-between; gap: 10px; align-items: center; }
.control-label { display: flex; gap: 0.35rem; align-items: center; min-width: 0; }
.control-title { font-weight: 800; }
.value { color: var(--blue); font-variant-numeric: tabular-nums; font-weight: 800; }
.hint { margin: 0; color: var(--quiet); font-size: 0.75rem; line-height: 1.25; }
.small { font-size: 0.85rem; color: var(--quiet); }
code { color: var(--text); }

.help-button {
  width: 1.28rem;
  height: 1.28rem;
  padding: 0;
  display: inline-grid;
  place-items: center;
  background: color-mix(in srgb, var(--blue) 24%, var(--panel-2));
  color: var(--text);
  box-shadow: none;
  font-size: 0.78rem;
  line-height: 1;
}

input[type=file], input[type=text], textarea {
  width: 100%;
  min-width: 0;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid color-mix(in srgb, var(--line) 70%, var(--text) 30%);
  border-radius: 14px;
  padding: 0.55rem;
}

input[type=file] { border-style: dashed; }
textarea { min-height: 220px; resize: vertical; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.88rem; line-height: 1.45; }
input[type=range] { width: 100%; accent-color: var(--blue); margin: 0; }

.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; min-width: 0; }
.row > input { flex: 1 1 9rem; }
.toggle { display: flex; gap: 0.5rem; align-items: center; color: var(--muted); }

.scheme-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.scheme-summary strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 1.05rem; }
.scheme-preview { min-width: 0; display: grid; gap: 6px; }
.scheme-browser {
  align-content: start;
  display: grid;
  grid-auto-rows: max-content;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 7px;
  height: min(44vh, 520px);
  min-height: 320px;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 8px 2px 0 0;
}
.scheme-card {
  display: grid;
  grid-template-rows: auto auto auto;
  width: 100%;
  min-width: 0;
  min-height: 72px;
  gap: 7px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-2);
  color: var(--text);
  text-align: left;
  cursor: pointer;
  overflow: hidden;
}
.scheme-card strong { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-transform: capitalize; }
.scheme-strip { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); width: 100%; min-width: 0; height: 15px; overflow: hidden; border-radius: 999px; border: 1px solid #ffffff22; }
.scheme-strip span { min-width: 0; }
.cpu-progress {
  display: grid;
  min-width: 0;
  height: 8px;
  align-self: center;
  opacity: 1;
  transition: opacity 120ms ease;
}

.cpu-progress[hidden] {
  display: grid;
  visibility: hidden;
  opacity: 0;
}

.cpu-progress-label {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.progress-track {
  height: 6px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-2);
}

.progress-track span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green), var(--orange));
  transition: width 120ms ease;
}

.swatches { display: grid; grid-template-columns: repeat(auto-fill, minmax(24px, 1fr)); gap: 6px; max-height: 150px; overflow-y: auto; overflow-x: hidden; padding-right: 2px; }
.swatch { aspect-ratio: 1; min-width: 0; border: 1px solid #ffffff33; border-radius: 999px; cursor: pointer; box-shadow: inset 0 0 0 2px #0005; }

.toolbar { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; align-items: center; }
.status { margin: 0; min-height: 1.5em; color: var(--muted); }
.workspace-meta { margin: 0; color: var(--quiet); font-size: 0.82rem; }
.workspace-meta strong { color: var(--text); }
.status.error { color: var(--red); white-space: pre-wrap; }

.compare {
  position: relative;
  min-height: 520px;
  border: 1px solid var(--line);
  border-radius: 24px;
  overflow: hidden;
  background:
    linear-gradient(45deg, #0d0c0c 25%, transparent 25%),
    linear-gradient(-45deg, #0d0c0c 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #0d0c0c 75%),
    linear-gradient(-45deg, transparent 75%, #0d0c0c 75%);
  background-size: 28px 28px;
  background-position: 0 0, 0 14px, 14px -14px, -14px 0;
  display: grid;
  place-items: center;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.compare.empty::before { content: "Drop in an image to begin"; color: var(--quiet); font-weight: 800; letter-spacing: 0.02em; }
.image-layer { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; }
.image-layer canvas { max-width: 100%; max-height: 100%; width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.after-layer { clip-path: inset(0 0 0 50%); }
.divider { position: absolute; top: 0; bottom: 0; left: 50%; width: 3px; transform: translateX(-50%); background: var(--blue); box-shadow: 0 0 0 1px var(--bg), 0 0 28px var(--blue); cursor: ew-resize; pointer-events: none; }
.divider::after { content: "↔"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 44px; height: 44px; border-radius: 999px; display: grid; place-items: center; background: var(--blue); color: var(--button-text); font-weight: 900; }
body.dragging, body.dragging * { cursor: ew-resize !important; user-select: none !important; }
.badge { position: absolute; top: 14px; padding: 0.38rem 0.65rem; border-radius: 999px; background: color-mix(in srgb, var(--bg) 84%, transparent); color: var(--text); font-weight: 800; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; pointer-events: none; }
.badge.before { left: 14px; }
.badge.after { right: 14px; }
.compare.hide-before .badge.before, .compare.hide-after .badge.after { opacity: 0; }
.sample-gallery {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: color-mix(in srgb, var(--panel-2) 82%, transparent);
}

.gallery-head { display: grid; gap: 4px; }
.gallery-head h2, .gallery-head p { margin: 0; }
.gallery-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; min-width: 0; }
.gallery-card { position: relative; display: grid; gap: 6px; min-width: 0; padding: 0; color: inherit; text-align: left; background: transparent; border: 0; box-shadow: none; }
button.gallery-card { cursor: pointer; }
button.gallery-card:hover canvas, button.gallery-card:focus-visible canvas, .gallery-card.selected canvas { border-color: var(--blue); box-shadow: 0 0 0 2px color-mix(in srgb, var(--blue) 42%, transparent); }
.gallery-card canvas { display: block; width: 100%; height: auto; border: 1px solid color-mix(in srgb, var(--line) 78%, var(--text) 22%); border-radius: 14px; background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--blue) 20%, transparent), var(--bg)); }
.gallery-card strong { min-width: 0; overflow: hidden; color: var(--muted); font-size: 0.82rem; text-overflow: ellipsis; white-space: nowrap; }
.gallery-card.selected strong { color: var(--text); }
.gallery-card.queued canvas, .gallery-card.loading canvas { opacity: 0.38; }
.gallery-card.loading::after {
  content: "";
  position: absolute;
  top: calc(50% - 18px);
  left: calc(50% - 18px);
  width: 36px;
  height: 36px;
  border: 3px solid color-mix(in srgb, var(--text) 20%, transparent);
  border-top-color: var(--blue);
  border-radius: 999px;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(1turn); }
}

.loupe { position: fixed; width: 190px; height: 190px; border: 2px solid var(--blue); border-radius: 999px; box-shadow: 0 20px 50px #000a, inset 0 0 0 1px #fff4; background-repeat: no-repeat; background-color: var(--bg); pointer-events: none; z-index: 20; display: none; }
.loupe.on { display: block; }

dialog { width: min(760px, calc(100vw - 32px)); color: var(--text); background: var(--panel); border: 1px solid var(--line); border-radius: 24px; box-shadow: var(--shadow); padding: 0; }
dialog.scheme-modal { width: min(1120px, calc(100vw - 32px)); }
dialog.deep-modal { width: min(1180px, calc(100vw - 32px)); }
dialog::backdrop { background: #000a; backdrop-filter: blur(8px); }
.modal-body { display: grid; gap: 14px; max-height: calc(100vh - 32px); overflow-y: auto; overflow-x: hidden; padding: 20px; }
.modal-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.modal-close { width: 2rem; height: 2rem; padding: 0; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.scheme-modal-grid { display: grid; grid-template-columns: minmax(260px, 0.9fr) minmax(320px, 1.1fr); gap: 14px; min-width: 0; }
.scheme-tools, .scheme-editor { display: grid; gap: 10px; min-width: 0; }
.example-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.parallel-graphic {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.parallel-graphic section {
  display: grid;
  gap: 10px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel-2);
}

.parallel-graphic h3,
.parallel-graphic p {
  margin: 0;
}

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

.cpu-lane span,
.gpu-grid span {
  position: relative;
  min-height: 28px;
  overflow: hidden;
  border-radius: 10px;
  background: color-mix(in srgb, var(--blue) 16%, var(--panel));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 20%, transparent);
}

.cpu-lane span::after,
.gpu-grid span::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--blue), var(--green));
}

.cpu-lane span:nth-child(1)::after { animation: cpu-progress-1 7.2s infinite; }
.cpu-lane span:nth-child(2)::after { animation: cpu-progress-2 7.2s infinite; }
.cpu-lane span:nth-child(3)::after { animation: cpu-progress-3 7.2s infinite; }
.cpu-lane span:nth-child(4)::after { animation: cpu-progress-4 7.2s infinite; }
.cpu-lane span:nth-child(5)::after { animation: cpu-progress-5 7.2s infinite; }
.cpu-lane span:nth-child(6)::after { animation: cpu-progress-6 7.2s infinite; }

.gpu-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.gpu-grid span::after {
  animation: progress-fill-repeat 1.4s infinite;
}

@keyframes cpu-progress-1 { 0% { width: 0%; } 16.667%, 100% { width: 100%; } }
@keyframes cpu-progress-2 { 0%, 16.667% { width: 0%; } 33.333%, 100% { width: 100%; } }
@keyframes cpu-progress-3 { 0%, 33.333% { width: 0%; } 50%, 100% { width: 100%; } }
@keyframes cpu-progress-4 { 0%, 50% { width: 0%; } 66.667%, 100% { width: 100%; } }
@keyframes cpu-progress-5 { 0%, 66.667% { width: 0%; } 83.333%, 100% { width: 100%; } }
@keyframes cpu-progress-6 { 0%, 83.333% { width: 0%; } 100% { width: 100%; } }

@keyframes progress-fill-repeat {
  0% { width: 0%; }
  80%, 100% { width: 100%; }
}
.pipeline-deep {
  display: grid;
  gap: 14px;
}

.pipeline-deep section {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    radial-gradient(circle at 0% 0%, color-mix(in srgb, var(--blue) 18%, transparent), transparent 18rem),
    var(--panel-2);
}

.stage-title {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.stage-title > span {
  width: 2.4rem;
  height: 2.4rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--blue);
  color: var(--button-text);
  font-weight: 900;
}

.stage-title h3,
.stage-title p,
.stage-compare p {
  margin: 0;
}

.stage-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.stage-compare > div {
  display: grid;
  gap: 8px;
  min-width: 0;
  padding: 12px;
  border: 1px solid color-mix(in srgb, var(--line) 70%, var(--text) 30%);
  border-radius: 18px;
  background: color-mix(in srgb, var(--panel) 58%, transparent);
}

.scanline-grid,
.column-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
}

.radius-strip {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
  align-items: center;
}

.scanline-grid span,
.column-grid span,
.radius-strip span {
  position: relative;
  min-height: 30px;
  overflow: hidden;
  border-radius: 10px;
  background: color-mix(in srgb, var(--blue) 14%, var(--panel));
  box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--text) 18%, transparent);
}

.scanline-grid span::after,
.column-grid span::after,
.radius-strip span::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 0%;
  border-radius: inherit;
}

.radius-strip span:nth-child(4) {
  min-height: 48px;
}

.cpu-scan span::after {
  background: linear-gradient(90deg, var(--blue), var(--green));
}

.cpu-scan span:nth-child(1)::after { animation: cpu-deep-progress-1 9.6s infinite; }
.cpu-scan span:nth-child(2)::after { animation: cpu-deep-progress-2 9.6s infinite; }
.cpu-scan span:nth-child(3)::after { animation: cpu-deep-progress-3 9.6s infinite; }
.cpu-scan span:nth-child(4)::after { animation: cpu-deep-progress-4 9.6s infinite; }
.cpu-scan span:nth-child(5)::after { animation: cpu-deep-progress-5 9.6s infinite; }
.cpu-scan span:nth-child(6)::after { animation: cpu-deep-progress-6 9.6s infinite; }
.cpu-scan span:nth-child(7)::after { animation: cpu-deep-progress-7 9.6s infinite; }
.cpu-scan span:nth-child(8)::after { animation: cpu-deep-progress-8 9.6s infinite; }
.cpu-scan span:nth-child(9)::after { animation: cpu-deep-progress-9 9.6s infinite; }
.cpu-scan span:nth-child(10)::after { animation: cpu-deep-progress-10 9.6s infinite; }
.cpu-scan span:nth-child(11)::after { animation: cpu-deep-progress-11 9.6s infinite; }
.cpu-scan span:nth-child(12)::after { animation: cpu-deep-progress-12 9.6s infinite; }

@keyframes cpu-deep-progress-1 { 0% { width: 0%; } 8.333%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-2 { 0%, 8.333% { width: 0%; } 16.667%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-3 { 0%, 16.667% { width: 0%; } 25%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-4 { 0%, 25% { width: 0%; } 33.333%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-5 { 0%, 33.333% { width: 0%; } 41.667%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-6 { 0%, 41.667% { width: 0%; } 50%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-7 { 0%, 50% { width: 0%; } 58.333%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-8 { 0%, 58.333% { width: 0%; } 66.667%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-9 { 0%, 66.667% { width: 0%; } 75%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-10 { 0%, 75% { width: 0%; } 83.333%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-11 { 0%, 83.333% { width: 0%; } 91.667%, 100% { width: 100%; } }
@keyframes cpu-deep-progress-12 { 0%, 91.667% { width: 0%; } 100% { width: 100%; } }

.gpu-burst span::after {
  background: linear-gradient(90deg, var(--blue), var(--green), var(--orange));
  animation: progress-fill-repeat 1.4s infinite;
}


.benchmark-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.benchmark-grid section {
  display: grid;
  gap: 12px;
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: var(--panel-2);
}

.benchmark-grid h3,
.benchmark-grid dl,
.benchmark-grid dd {
  margin: 0;
}

.benchmark-grid dl {
  display: grid;
  gap: 8px;
}

.benchmark-grid dl div {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 72%, transparent);
}

.benchmark-grid dt {
  color: var(--muted);
}

.benchmark-grid dd,
.benchmark-grid strong {
  color: var(--green);
  font-weight: 900;
}

pre {
  margin: 0;
  padding: 0.85rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel-2);
}

.fallback-graphic {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 10px;
  align-items: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--blue) 20%, transparent), color-mix(in srgb, var(--orange) 14%, transparent));
  text-align: center;
}

.fallback-graphic span,
.fallback-graphic strong {
  min-width: 0;
  padding: 0.8rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--panel-2) 86%, transparent);
}

.fallback-graphic strong {
  color: var(--button-text);
  background: var(--blue);
}

.example { display: grid; gap: 6px; padding: 8px; border: 1px solid var(--line); border-radius: 16px; background: var(--panel-2); }
.example canvas { width: 100%; height: 92px; border-radius: 12px; background: var(--bg); }
.example strong { font-size: 0.86rem; }

@media (max-width: 980px) {
  body { overflow-y: auto; }
  .app { width: min(100% - 16px, 760px); grid-template-columns: 1fr; margin: 8px auto; }
  .controls { position: static; height: auto; overflow: visible; }
  .workspace { min-height: 72vh; padding: 14px; }
  .compare { min-height: 420px; }
  .scheme-modal-grid { grid-template-columns: 1fr; }
  .stage-compare { grid-template-columns: 1fr; }
  .benchmark-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 560px) {
  .app { width: 100%; margin: 0; gap: 8px; }
  .parallel-graphic { grid-template-columns: 1fr; }
  .panel { border-radius: 0; }
  .controls { padding: 12px; }
  .workspace { min-height: 68vh; }
  .scheme-browser { grid-template-columns: 1fr; }
  .example-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .toolbar { align-items: stretch; }
  .toolbar .row, .toolbar a, .toolbar button { width: 100%; justify-content: center; text-align: center; }
}