:root {
  --ink: #102d34;
  --muted: #62767a;
  --paper: #e9ece6;
  --line: rgba(16, 45, 52, .18);
  --signal: #e95b36;
  --lime: #acd84c;
  --mono: 'DM Mono', monospace;
  --body: 'Manrope', sans-serif;
  --display: 'Instrument Serif', Georgia, serif;
}

* { box-sizing: border-box; }
html { background: var(--paper); }
body { margin: 0; min-width: 320px; color: var(--ink); background: var(--paper); font-family: var(--body); }
button, textarea { font: inherit; }
button { cursor: pointer; }
.shell { width: min(1440px, 100%); margin: 0 auto; min-height: 100vh; padding: 0 48px; display: flex; flex-direction: column; }
.topbar { height: 86px; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; font-weight: 700; font-size: 18px; letter-spacing: -.07em; width: max-content; }.brand b { color: var(--signal); font-weight: inherit; }
.brand-mark { width: 20px; height: 20px; display: block; border: 2px solid var(--ink); border-radius: 42% 58% 48% 52%; transform: rotate(20deg); position: relative; }
.brand-mark::after { content: ''; position: absolute; width: 5px; height: 5px; border-radius: 50%; background: var(--signal); top: 2px; right: 2px; }
.model-pill { font: 10px/1 var(--mono); letter-spacing: .09em; display: flex; align-items: center; gap: 8px; border: 1px solid var(--line); border-radius: 999px; padding: 8px 11px; color: #3e595e; }
.pulse { width: 6px; height: 6px; background: var(--lime); border-radius: 50%; box-shadow: 0 0 0 3px rgba(172,216,76,.18); }
.quiet-button { justify-self: end; background: none; border: 0; color: var(--ink); font: 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; padding: 8px 0; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.studio { flex: 1; display: grid; grid-template-columns: minmax(320px, .78fr) minmax(440px, 1.22fr); grid-template-rows: auto 1fr; gap: 28px 72px; padding: 56px 0 48px; }
.intro { align-self: end; }
.eyebrow { font: 10px/1.4 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: #567075; margin: 0 0 10px; }
h1, h2, p { margin-top: 0; }
h1 { font: 59px/.92 var(--display); font-weight: 400; letter-spacing: -.045em; margin-bottom: 0; max-width: 460px; }
h1 em { color: var(--signal); font-weight: inherit; }
.prompt-well { grid-column: 1; align-self: start; background: rgba(255,255,255,.38); border: 1px solid var(--line); padding: 18px 18px 14px; transition: border-color .18s ease; }
.prompt-well:focus-within { border-color: var(--ink); }
textarea { display: block; width: 100%; resize: none; min-height: 92px; border: 0; padding: 0; color: var(--ink); background: transparent; font: 22px/1.4 var(--display); letter-spacing: -.015em; outline: none; }
textarea::placeholder { color: #8a9ea2; }
.prompt-footer { padding-top: 16px; display: flex; justify-content: space-between; align-items: center; gap: 14px; border-top: 1px solid var(--line); margin-top: 14px; }
.suggestions { display: flex; gap: 6px; flex-wrap: wrap; }
.suggestions button { border: 1px solid var(--line); background: transparent; padding: 6px 9px; font: 10px var(--mono); letter-spacing: .02em; color: #4d656a; }
.suggestions button:hover { border-color: var(--ink); color: var(--ink); }
.generate-button { flex-shrink: 0; border: 0; border-radius: 3px; background: var(--signal); color: white; display: inline-flex; align-items: center; gap: 18px; padding: 13px 16px 13px 18px; font-size: 13px; font-weight: 700; box-shadow: 0 5px 0 rgba(16,45,52,.12); transition: transform .18s ease, background .18s ease, box-shadow .18s ease; }
.generate-button:hover { background: #d9482b; transform: translateY(-2px); box-shadow: 0 7px 0 rgba(16,45,52,.12); }
.generate-button:disabled { cursor: wait; opacity: .65; transform: none; }
.generate-button .arrow { font: 21px/10px var(--display); }

.workbench { grid-area: 1 / 2 / 3 / 3; min-width: 0; }
.bench-head { min-height: 81px; display: flex; justify-content: space-between; align-items: flex-start; padding-bottom: 15px; }
.bench-head .eyebrow { margin-bottom: 9px; }
h2 { font: 31px/.95 var(--display); letter-spacing: -.035em; font-weight: 400; }
.generation-state { flex-shrink: 0; margin-top: 2px; display: flex; align-items: center; gap: 7px; color: #527075; font: 9px var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.state-dot { width: 7px; height: 7px; border: 1px solid var(--ink); border-radius: 50%; }
.generation-state.busy .state-dot { border: 0; background: var(--signal); animation: blink .75s infinite alternate; }
.viewport-card { position: relative; overflow: hidden; height: clamp(415px, 62vh, 640px); background: linear-gradient(145deg, #c5d2d0, #9eb6b8); isolation: isolate; border: 1px solid rgba(16,45,52,.08); box-shadow: 0 14px 34px rgba(16,45,52,.12); }
.viewport-card::before { content: ''; position: absolute; z-index: 1; inset: 0; pointer-events: none; background-image: linear-gradient(rgba(8,45,52,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(8,45,52,.07) 1px, transparent 1px); background-size: 48px 48px; mask-image: linear-gradient(to bottom, transparent 0%, #000 25%, #000 75%, transparent 100%); }
#scene { display: block; width: 100%; height: 100%; touch-action: none; cursor: grab; }
#scene:active { cursor: grabbing; }
.viewport-reticle { position: absolute; z-index: 2; inset: 27px; pointer-events: none; }
.viewport-reticle i { display: block; position: absolute; width: 11px; height: 11px; border-color: rgba(16,45,52,.55); border-style: solid; }
.viewport-reticle i:nth-child(1) { top: 0; left: 0; border-width: 1px 0 0 1px; }
.viewport-reticle i:nth-child(2) { top: 0; right: 0; border-width: 1px 1px 0 0; }
.viewport-reticle i:nth-child(3) { bottom: 0; left: 0; border-width: 0 0 1px 1px; }
.viewport-reticle i:nth-child(4) { bottom: 0; right: 0; border-width: 0 1px 1px 0; }
.drag-hint { z-index: 3; position: absolute; left: 43px; bottom: 37px; color: rgba(16,45,52,.72); font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; }
.viewport-controls { z-index: 4; position: absolute; top: 29px; right: 36px; display: flex; gap: 4px; padding: 4px; border: 1px solid rgba(16,45,52,.23); background: rgba(233,236,230,.72); backdrop-filter: blur(8px); }.view-control { border: 0; color: #486268; background: transparent; padding: 7px 8px; font: 9px var(--mono); letter-spacing: .05em; text-transform: uppercase; }.view-control:hover, .view-control.active { color: white; background: var(--ink); }.view-control.reset-view { padding-left: 7px; padding-right: 7px; }
.palette { z-index: 3; position: absolute; right: 43px; bottom: 37px; display: flex; border: 1px solid rgba(16,45,52,.3); }
.palette span { width: 15px; height: 15px; display: block; }
.asset-notes { border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 22px; min-height: 72px; }
.asset-notes p { margin: 0; color: #4b6469; font-size: 13px; line-height: 1.5; max-width: 370px; }
.asset-notes p:empty { display: none; }
.part-count { font: 10px var(--mono); color: #526e73; letter-spacing: .06em; white-space: nowrap; text-transform: uppercase; }.part-count span { color: var(--ink); font-size: 16px; letter-spacing: -.06em; margin-right: 4px; }
.export-button { white-space: nowrap; border: 1px solid var(--ink); background: var(--ink); color: white; padding: 10px 14px; font: 11px var(--mono); letter-spacing: .06em; text-transform: uppercase; transition: transform .18s ease, background .18s ease; }
.export-button:hover { background: var(--signal); border-color: var(--signal); transform: translateY(-2px); }
.export-button:disabled { opacity: .6; transform: none; }
footer { height: 40px; display: flex; justify-content: space-between; align-items: center; color: #60787c; font: 9px var(--mono); letter-spacing: .08em; text-transform: uppercase; border-top: 1px solid var(--line); }
.gallery-section { padding: 22px 0 56px; border-top: 1px solid var(--ink); }.gallery-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 22px; }.gallery-head h2 { margin: 0; }.gallery-head > p { color: #5b7479; font: 9px var(--mono); letter-spacing: .07em; text-transform: uppercase; margin: 0 0 4px; }.gallery-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }.gallery-card { appearance: none; text-align: left; display: block; min-width: 0; min-height: 155px; border: 1px solid var(--line); padding: 15px; background: rgba(255,255,255,.14); color: var(--ink); transition: transform .18s ease, background .18s ease, border-color .18s ease; }.gallery-card:hover { transform: translateY(-3px); border-color: var(--ink); background: rgba(255,255,255,.42); }.gallery-swatch { width: 100%; height: 55px; display: flex; align-items: end; margin-bottom: 13px; overflow: hidden; background: #bcc9c7; }.gallery-swatch span { display: block; flex: 1; height: 100%; }.gallery-card h3 { margin: 0 0 5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font: 20px/1 var(--display); letter-spacing: -.025em; }.gallery-card p { color: #698087; font: 9px/1.45 var(--mono); margin: 0; text-transform: uppercase; letter-spacing: .04em; }.gallery-empty { grid-column: 1 / -1; padding: 22px 0; color: #64797e; font-size: 13px; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 9; transform: translate(-50%, 18px); opacity: 0; padding: 11px 15px; color: white; background: var(--ink); font: 11px var(--mono); transition: opacity .18s ease, transform .18s ease; pointer-events: none; max-width: calc(100vw - 28px); }.toast.show { transform: translate(-50%, 0); opacity: 1; }.toast.error { background: #a43a2a; }
@keyframes blink { to { transform: scale(.55); opacity: .3; } }
@media (max-width: 880px) { .shell { padding: 0 24px; }.studio { display: flex; flex-direction: column; gap: 24px; padding-top: 28px; }.intro { order: 0; padding: 0; }.prompt-well { order: 1; padding: 16px; }.workbench { order: 2; }.viewport-card { height: min(71vw, 550px); }.asset-notes { grid-template-columns: 1fr auto; padding: 12px 0; }.export-button { grid-column: 1 / -1; justify-self: start; }.topbar { grid-template-columns: 1fr auto; }.model-pill { display: none; }.gallery-grid { grid-template-columns: repeat(2, 1fr); }.viewport-controls { top: 21px; right: 27px; } }
@media (max-width: 520px) { .shell { padding: 0 16px; }.topbar { height: 70px; }.quiet-button { font-size: 9px; }.studio { padding-top: 28px; }h1 { font-size: 44px; }.prompt-footer { flex-wrap: wrap; }.suggestions { max-width: none; }.suggestions button:nth-child(3) { display: none; }.generate-button { margin-left: auto; gap: 12px; padding: 12px 14px; }.bench-head { min-height: 64px; }.viewport-card { height: 340px; }.drag-hint { bottom: 27px; left: 29px; font-size: 8px; }.palette { right: 29px; bottom: 26px; }.viewport-controls { top: 21px; right: 20px; left: auto; }.view-control { padding: 6px 7px; }.asset-notes p { grid-column: 1 / -1; }.gallery-grid { grid-template-columns: 1fr; }.gallery-head { align-items: start; flex-direction: column; gap: 10px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }