*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --ink: #1a1410;
  --paper: #f5f0e8;
  --warm: #c8b89a;
  --accent: #c0392b;
  --faint: #e8e0d0;
  --rule: rgba(26, 20, 16, 0.12);
}

html {
  font-size: 16px;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: "DM Mono", monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.5;
  z-index: 1;
}

.page-header,
.page-main,
.page-footer {
  position: relative;
  z-index: 2;
}

.page-header {
  border-bottom: 1px solid var(--rule);
  padding: 2rem 3rem;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 1.25rem;
}

.brand {
  font-family: "DM Serif Display", serif;
  font-size: 1.32rem;
  letter-spacing: 0.02em;
}

.brand span {
  font-style: italic;
  color: var(--accent);
}

.tagline {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--warm);
}

.generation-tag {
  text-align: right;
}

.page-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 3rem;
}

.page-footer {
  border-top: 1px solid var(--rule);
  padding: 1rem 3rem 1.4rem;
  color: var(--ink);
}

.footer-note {
  margin: 0 0 0.9rem;
  font-size: 0.78rem;
  line-height: 1.72;
  letter-spacing: 0.01em;
  text-transform: none;
  color: rgba(26, 20, 16, 0.9);
}

.footer-credit {
  margin: 0;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--warm);
}

.footer-credit a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(26, 20, 16, 0.24);
}

.footer-credit a:hover {
  border-bottom-color: rgba(26, 20, 16, 0.7);
}

.title-block {
  margin-bottom: 3rem;
  border-left: 3px solid var(--ink);
  padding-left: 2rem;
  animation: fade-in 0.45s ease;
}

.drawing-number {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--warm);
  margin-bottom: 0.55rem;
}

.drawing-title {
  font-family: "DM Serif Display", serif;
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin-bottom: 0.8rem;
}

.drawing-year {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--warm);
}

.page-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 3rem;
  align-items: start;
}

.canvas-column {
  min-width: 0;
}

.canvas-wrapper {
  position: relative;
  background: #fff;
  border: 1px solid var(--rule);
  box-shadow: 8px 8px 0 var(--faint), 9px 9px 0 var(--rule);
  aspect-ratio: 1;
  min-height: 360px;
  overflow: hidden;
}

.artboard {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  isolation: isolate;
  --grain-opacity: 0.08;
  --grain-dot-alpha: 0.012;
  --grain-dot-size: 3px;
  --board-hue: 0deg;
  --board-sat: 1;
  --board-con: 1;
  --board-bri: 1;
  --vignette-opacity: 0;
}

.artboard::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: var(--grain-opacity);
  background-image:
    radial-gradient(circle at 20% 30%, rgba(0, 0, 0, var(--grain-dot-alpha)) 0, rgba(0, 0, 0, 0) var(--grain-dot-size)),
    radial-gradient(circle at 70% 70%, rgba(0, 0, 0, calc(var(--grain-dot-alpha) * 0.8)) 0, rgba(0, 0, 0, 0) var(--grain-dot-size));
  background-size: 10px 10px, 12px 12px;
  z-index: 0;
}

.artboard::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 50% 50%, transparent 48%, rgba(0, 0, 0, var(--vignette-opacity)) 100%);
  z-index: 0;
}

.artboard > * {
  position: absolute;
  z-index: 1;
}

.art-el,
.line,
.segment,
.dot,
.shape,
.grid-layer,
.circle-clip,
.quad-grid,
.quad-cell,
.arc-line,
.dense-line {
  position: absolute;
  box-sizing: border-box;
  pointer-events: none;
}

.line,
.dense-line,
.segment,
.construct-line {
  transform-origin: 0 50%;
}

.dot {
  border-radius: 50%;
  background: rgba(18, 17, 15, 0.88);
}

.shape {
  border-style: solid;
  border-color: rgba(20, 19, 18, 0.9);
}

.grid-layer {
  inset: 0;
}

.circle-clip {
  border-radius: 50%;
  overflow: hidden;
}

.quad-cell {
  width: 50%;
  height: 50%;
  border: 1px solid rgba(18, 17, 15, 0.55);
}

.arc-line {
  background: transparent;
  border-top: 1px solid rgba(18, 17, 15, 0.9);
  border-radius: 999px;
}

.clip-shape {
  overflow: hidden;
}

.artboard.refresh {
  animation: frame-pulse 0.42s ease;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
}

.button-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.65rem;
}

.generate-btn {
  display: block;
  width: 100%;
  padding: 1rem 1.15rem;
  background: var(--ink);
  color: var(--paper);
  border: 1px solid var(--ink);
  cursor: pointer;
  font-family: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: background-color 0.2s ease, color 0.2s ease, transform 0.16s ease;
}

.generate-btn:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.generate-btn:active {
  transform: scale(0.995);
}

.generate-btn.ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--rule);
}

.generate-btn.ghost:hover {
  background: rgba(26, 20, 16, 0.06);
  border-color: rgba(26, 20, 16, 0.2);
}

.instructions-block {
  border: 1px solid var(--rule);
  padding: 2rem;
  background: #fff;
  position: relative;
}

.instructions-block::before {
  content: "INSTRUCTIONS";
  position: absolute;
  top: -0.5rem;
  left: 1.35rem;
  background: #fff;
  padding: 0 0.45rem;
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  color: var(--warm);
}

.instructions-text {
  font-family: "DM Mono", monospace;
  font-size: 1.02rem;
  line-height: 1.78;
  letter-spacing: 0.004em;
  color: var(--ink);
}

.photo-block {
  border: 1px solid var(--rule);
  overflow: hidden;
  background: var(--faint);
  min-height: 220px;
  position: relative;
}

.image-link {
  display: block;
  width: 100%;
  height: 100%;
}

.image-link img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
}

.photo-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(26, 20, 16, 0.75);
  color: var(--paper);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 0.5rem 1rem;
}

.image-status {
  position: absolute;
  top: 0.65rem;
  left: 0.65rem;
  margin: 0;
  background: rgba(26, 20, 16, 0.72);
  color: var(--paper);
  font-size: 0.58rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 0.4rem 0.55rem;
}

.meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--rule);
  border: 1px solid var(--rule);
}

.meta-item {
  background: #fff;
  padding: 1rem 1.1rem;
  min-height: 86px;
}

.meta-item-wide {
  grid-column: 1 / -1;
}

.meta-label {
  font-size: 0.58rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--warm);
  margin-bottom: 0.35rem;
}

.meta-value {
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.meta-value a {
  color: var(--ink);
  text-underline-offset: 2px;
}

.ai-note {
  font-size: 0.72rem;
  line-height: 1.45;
  color: rgba(26, 20, 16, 0.74);
  min-height: 1.1em;
}

.ai-note.error {
  color: #8f2e2e;
}

.artboard.image-mode {
  background: #111;
}

.generated-art-image {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center center;
  background: #111;
}

.artboard-state {
  position: absolute;
  margin: 0;
  width: min(82%, 480px);
  text-align: center;
  color: rgba(255, 255, 255, 0.92);
  font-size: 0.9rem;
  line-height: 1.4;
}

.artboard-state-error {
  color: rgba(255, 220, 220, 0.95);
}

@keyframes frame-pulse {
  0% {
    opacity: 0.88;
  }
  100% {
    opacity: 1;
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1000px) {
  .page-grid {
    grid-template-columns: 1fr;
  }

  .canvas-wrapper {
    aspect-ratio: 4 / 3;
  }
}

@media (max-width: 900px) {
  .page-header {
    padding: 1.4rem;
    align-items: flex-start;
    flex-direction: column;
  }

  .generation-tag {
    text-align: left;
  }

  .page-main {
    padding: 1.4rem;
  }

  .page-footer {
    padding: 1rem 1.4rem 1.3rem;
  }

  .title-block {
    margin-bottom: 2rem;
    padding-left: 1.2rem;
  }
}

@media (max-width: 620px) {
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .drawing-title {
    font-size: clamp(1.55rem, 9vw, 2.35rem);
  }
}