@charset "UTF-8";

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--folio-paper);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--folio-paper);
  color: var(--folio-ink);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, a, input {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  cursor: pointer;
}

button:focus-visible,
a:focus-visible,
#stage:focus-visible {
  outline: 2px solid var(--folio-teal);
  outline-offset: 4px;
}

/* Main Two-Column Exhibition Layout */
.piece-layout {
  width: min(1360px, calc(100% - 48px));
  min-height: 700px;
  display: grid;
  grid-template-columns: minmax(360px, 38%) minmax(0, 62%);
  gap: 0;
  margin: 32px auto 0;
  border: 1px solid var(--folio-line);
  border-radius: var(--folio-radius-lg);
  overflow: hidden;
  background: var(--folio-surface);
  box-shadow: var(--folio-shadow-md);
}

/* Left Story & Info Column */
.story {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px 48px;
  border-right: 1px solid var(--folio-line-subtle);
  background: #ffffff;
}

.eyebrow {
  margin: 0;
  color: var(--folio-teal);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.subheading {
  margin: 28px 0 6px;
  color: var(--folio-muted);
  font-family: var(--folio-font-serif);
  font-size: 18px;
  letter-spacing: 0.04em;
}

h1 {
  margin: 0 0 16px;
  font-family: var(--folio-font-serif);
  font-size: 52px;
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: var(--folio-ink);
}

.description {
  max-width: 360px;
  margin: 0;
  color: var(--folio-muted);
  font-size: 13px;
  line-height: 1.9;
}

.rule {
  width: 44px;
  height: 2px;
  margin: 24px 0;
  background: var(--folio-accent);
}

.technique-label {
  margin: 0;
  color: var(--folio-accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
}

h2 {
  margin: 8px 0 0;
  font-family: var(--folio-font-serif);
  font-size: 26px;
  font-weight: 600;
  color: var(--folio-ink);
}

.craft {
  margin: 12px 0 0;
  color: var(--folio-muted);
  font-size: 12px;
  line-height: 1.85;
}

/* Action Button Matrix (Aligned 2x2 Grid) */
.story-actions-wrapper {
  display: grid;
  gap: 12px;
  width: 100%;
  max-width: 400px;
  margin-top: 28px;
}

.actions,
.design-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  width: 100%;
  margin: 0;
}

.actions button,
.design-actions button,
.design-actions a {
  width: 100%;
  height: 44px;
  min-height: 44px;
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--folio-line);
  border-radius: var(--folio-radius-sm);
  background: #ffffff;
  padding: 0 16px;
  color: var(--folio-ink);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  box-shadow: var(--folio-shadow-sm);
  transition: all 180ms cubic-bezier(0.2, 0, 0, 1);
}

.actions button:hover,
.design-actions button:hover {
  border-color: var(--folio-ink);
  transform: translateY(-1px);
  box-shadow: var(--folio-shadow-md);
}

.actions .primary {
  border-color: var(--folio-line);
  background: #ffffff;
  color: var(--folio-ink);
}

.actions .primary:hover {
  border-color: var(--folio-ink);
}

.actions .primary[aria-pressed="true"] {
  border-color: var(--folio-teal);
  background: var(--folio-teal-soft);
  color: var(--folio-teal);
  box-shadow: 0 0 0 1px var(--folio-teal);
}

.actions span {
  font-size: 13px;
  line-height: 1;
}

#flip span {
  font-size: 14px;
  line-height: 1;
  transition: transform 300ms ease;
}

#flip:hover span {
  transform: rotate(180deg);
}

#save-design {
  border-color: var(--folio-line);
  color: var(--folio-ink);
}

#save-design:hover {
  border-color: var(--folio-teal);
  color: var(--folio-teal);
  background: #fafcfb;
}

#produce-card {
  border-color: var(--folio-accent);
  background: var(--folio-accent);
  color: #ffffff;
  font-weight: 600;
  box-shadow: 0 4px 14px rgba(196, 69, 51, 0.22);
}

#produce-card:hover {
  border-color: var(--folio-accent-hover);
  background: var(--folio-accent-hover);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 8px 22px rgba(196, 69, 51, 0.32);
}

#produce-card span {
  margin-left: 2px;
  font-size: 14px;
  transition: transform 180ms ease;
}

#produce-card:hover span {
  transform: translateX(4px);
}

.work-note {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  max-width: 400px;
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--folio-line-subtle);
  color: var(--folio-muted);
  font-size: 11px;
}

.work-note > div {
  min-width: 0;
  flex: 1;
}

.story-info {
  flex-shrink: 0;
  margin-left: auto;
  border: 0;
  background: transparent;
  padding: 0;
  color: var(--folio-muted);
  font: inherit;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: color 160ms ease;
}

.story-info::after {
  content: "＋";
  margin-left: 6px;
  font-size: 10px;
}

.story-info:hover {
  color: var(--folio-ink);
}

.work-note > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--folio-teal);
  box-shadow: 0 0 0 3px rgba(22, 122, 114, 0.15);
}

.work-note small {
  display: block;
  margin-top: 4px;
  color: var(--folio-faint);
  font-size: 10px;
}

/* Right 3D Interactive Display */
.display {
  position: relative;
  min-width: 0;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: radial-gradient(circle at 50% 45%, #182025 0%, var(--folio-stage) 70%);
  color: #e8ece9;
  isolation: isolate;
}

.display-label {
  position: absolute;
  z-index: 2;
  top: 26px;
  right: 26px;
  color: #6a7470;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  pointer-events: none;
}

#stage {
  width: 100%;
  height: 700px;
  position: relative;
  touch-action: none;
  cursor: grab;
}

#stage:active {
  cursor: grabbing;
}

#stage canvas {
  width: 100%;
  height: 100%;
  display: block;
}

#loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 30px;
  color: #a8d5cc;
  font-size: 13px;
  text-align: center;
  white-space: pre-wrap;
  background: rgba(15, 19, 21, 0.85);
  backdrop-filter: blur(10px);
}

.view-label {
  position: absolute;
  z-index: 3;
  top: 24px;
  left: 26px;
  margin: 0;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--folio-radius-sm);
  background: rgba(18, 24, 22, 0.65);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 4px 12px;
  color: #c4d0cb;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  pointer-events: none;
}

.stage-hint {
  position: absolute;
  z-index: 3;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--folio-radius-sm);
  background: rgba(18, 24, 22, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 6px 16px;
  color: #929d98;
  font-size: 11px;
  white-space: nowrap;
}

.stage-hint > span {
  color: #76bcb1;
  font-size: 16px;
  line-height: 1;
}

.stage-hint b {
  color: #4a5450;
  font-weight: 400;
}

.stage-hint button {
  margin-left: 6px;
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  padding-left: 10px;
  color: #d1dad6;
  font-size: 11px;
  transition: color 140ms ease;
}

.stage-hint button:hover {
  color: #ffffff;
}

/* Material & Effect Controls Bar */
.controls {
  width: min(1360px, calc(100% - 48px));
  display: grid;
  grid-template-columns: 160px repeat(4, minmax(120px, 1fr)) auto;
  align-items: center;
  gap: 24px;
  margin: 28px auto 0;
  border: 1px solid var(--folio-line);
  border-radius: var(--folio-radius-md);
  background: var(--folio-surface);
  padding: 20px 28px;
  box-shadow: var(--folio-shadow-sm);
}

.control-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--folio-ink);
}

.control-heading small {
  display: block;
  margin-top: 4px;
  color: var(--folio-faint);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.controls label {
  min-width: 0;
  display: block;
  color: var(--folio-muted);
  font-size: 12px;
  font-weight: 500;
}

.controls output {
  float: right;
  border: 1px solid var(--folio-line-subtle);
  border-radius: var(--folio-radius-sm);
  background: var(--folio-paper);
  padding: 1px 7px;
  color: var(--folio-teal);
  font-size: 11px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

input[type="range"] {
  width: 100%;
  height: 4px;
  display: block;
  margin: 12px 0 0;
  border-radius: 2px;
  background: var(--folio-line);
  accent-color: var(--folio-teal);
  cursor: pointer;
}

.save {
  min-height: 40px;
  border: 1px solid var(--folio-line);
  border-radius: var(--folio-radius-sm);
  background: #ffffff;
  padding: 0 16px;
  color: var(--folio-accent);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  transition: all 180ms ease;
}

.save:hover {
  border-color: var(--folio-accent);
  background: var(--folio-accent);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Footer & Notes Dialog */
footer {
  width: min(1360px, calc(100% - 48px));
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 24px auto 32px;
  border-top: 1px solid var(--folio-line);
  color: var(--folio-muted);
  font-size: 11px;
}

footer span:first-child {
  color: var(--folio-ink);
  font-weight: 700;
  font-family: var(--folio-font-serif);
  font-size: 13px;
}

dialog#about {
  width: min(480px, calc(100% - 32px));
  border: 1px solid var(--folio-line);
  border-radius: var(--folio-radius-lg);
  background: #ffffff;
  padding: 40px 36px 36px;
  color: var(--folio-ink);
  line-height: 1.8;
  box-shadow: var(--folio-shadow-lg);
}

dialog#about::backdrop {
  background: rgba(15, 19, 21, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

dialog#about h2 {
  font-size: 26px;
  margin: 0 0 16px;
}

dialog#about p {
  color: var(--folio-muted);
  font-size: 13px;
  margin: 0 0 12px;
}

dialog#about .fine {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--folio-line-subtle);
  color: var(--folio-faint);
  font-size: 11px;
}

.close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: var(--folio-radius-sm);
  color: var(--folio-muted);
  font-size: 22px;
  transition: all 140ms ease;
}

.close:hover {
  background: var(--folio-line-subtle);
  color: var(--folio-ink);
}

/* Responsive Breakpoints */
@media (max-width: 980px) {
  .piece-layout {
    grid-template-columns: minmax(320px, 42%) minmax(0, 58%);
  }
  .story {
    padding: 42px 32px;
  }
  h1 {
    font-size: 44px;
  }
  .controls {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }
  .control-heading,
  .save {
    grid-column: 1 / -1;
  }
}

@media (max-width: 760px) {
  .piece-layout {
    width: 100%;
    display: flex;
    flex-direction: column;
    margin-top: 0;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }
  .display {
    order: 1;
    min-height: 520px;
  }
  #stage {
    height: 520px;
  }
  .story {
    order: 2;
    padding: 36px 24px 44px;
    border-right: 0;
    border-top: 1px solid var(--folio-line);
  }
  .subheading {
    margin-top: 20px;
  }
  h1 {
    font-size: 40px;
  }
  /* On mobile, keep story lore & technique readable rather than hiding */
  .story .rule {
    margin: 18px 0;
  }
  .story h2 {
    font-size: 22px;
  }
  .story-actions-wrapper {
    max-width: 100%;
  }
  .actions,
  .design-actions {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .controls {
    width: calc(100% - 32px);
    margin: 18px auto 0;
    padding: 18px;
  }
  footer {
    width: calc(100% - 32px);
    display: grid;
    gap: 8px;
    padding: 20px 0;
  }
}

@media (max-width: 440px) {
  .display,
  #stage {
    min-height: 440px;
    height: 440px;
  }
  .stage-hint {
    bottom: 16px;
    padding: 4px 12px;
    font-size: 10px;
  }
  .actions button,
  .design-actions button,
  .design-actions a {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}