/* ---------- Studio page ---------- */
.studio-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--gap);
  padding: 0 var(--pad);
}
@media (max-width: 900px) { .studio-grid { grid-template-columns: 1fr; } }

.fx {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--elev);
}
.stage {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  border-radius: 7px 7px 0 0;
  background: #0d1012;
  cursor: crosshair;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
.stage canvas { position: absolute; inset: 0; display: block; width: 100%; height: 100%; }
.hint {
  position: absolute;
  left: 14px;
  bottom: 12px;
  z-index: 3;
  padding: 4px 9px;
  border-radius: 99px;
  background: rgb(0 0 0 / .45);
  color: rgb(255 255 255 / .82);
  font-family: var(--mono);
  font-size: 11px;
  pointer-events: none;
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
}
.fail { position: absolute; inset: 0; display: grid; place-items: center; padding: 24px; text-align: center; color: rgb(255 255 255 / .6); font-family: var(--mono); font-size: 13px; }

.fx-meta { padding: 18px 20px 22px; }
.fx-meta h2 { display: flex; align-items: baseline; gap: 10px; margin: 6px 0 8px; font-family: var(--display); font-size: 24px; font-weight: 600; letter-spacing: -.035em; }
.fx-meta h2 .label { letter-spacing: 0; }
.fx-meta p { max-width: 38em; color: var(--mute); font-size: 14px; line-height: 1.65; }
.fx-meta p + p { margin-top: 6px; }

/* 01 glass type controls */
.glass-tools { display: flex; flex-direction: column; gap: 12px; padding: 16px 20px; border-bottom: 1px solid var(--line); }
.glass-input { display: flex; align-items: center; gap: 10px; }
.glass-input input {
  flex: 0 1 320px;
  min-width: 0;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  outline: 0;
  background: rgb(var(--paper-rgb) / .6);
  color: var(--ink);
  font: 500 15px var(--display);
  letter-spacing: -.01em;
  transition: border-color .2s, box-shadow .2s;
}
.glass-input input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgb(224 136 58 / .2); }
.glass-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.dd { position: relative; }
.dd-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 40px;
  padding: 0 12px 0 14px;
  border: 1px solid var(--line);
  border-radius: 99px;
  background: rgb(var(--paper-rgb) / .6);
  color: var(--ink);
  transition: border-color .2s;
}
.dd-btn .label { font-size: 11px; }
.dd-val b { font-size: 16px; font-weight: 500; line-height: 1; white-space: nowrap; }
.dd-chev { width: 12px; height: 12px; color: var(--mute); transition: transform .2s; }
.dd-btn[aria-expanded="true"] .dd-chev { transform: rotate(180deg); }
.dd-btn:disabled { opacity: .55; cursor: default; }
@media (hover: hover) { .dd-btn:not(:disabled):hover { border-color: var(--faint); } }
.dd-list {
  position: absolute;
  left: 0;
  top: calc(100% + 6px);
  z-index: 30;
  min-width: 100%;
  width: max-content;
  max-width: min(360px, 86vw);
  max-height: 340px;
  overflow-y: auto;
  margin: 0;
  padding: 6px;
  list-style: none;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--paper);
  box-shadow: 0 18px 40px -16px rgb(0 0 0 / .35);
  outline: 0;
}
.dd-list li { display: flex; align-items: baseline; justify-content: space-between; gap: 18px; padding: 9px 10px; border-radius: 8px; cursor: pointer; }
.dd-list li b { font-size: 18px; font-weight: 500; line-height: 1.15; }
.dd-list li small { color: var(--mute); font-family: var(--mono); font-size: 10px; white-space: nowrap; }
.dd-list li.is-active { background: rgb(var(--ink-rgb) / .07); }
.dd-list li[aria-selected="true"] small::before { content: "● "; color: var(--accent); }
.play-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px 0 15px;
  border-radius: 99px;
  background: var(--ink);
  color: var(--paper);
  font: 550 14px var(--display);
  letter-spacing: -.01em;
  transition: background-color .2s, transform .2s;
}
.play-btn svg { width: 13px; height: 13px; }
.play-btn:active { transform: scale(.97); }
.play-btn.is-playing { background: var(--accent); color: #fff; }
@media (hover: hover) { .play-btn:hover { background: var(--accent); color: #fff; } }
.glass-note { max-width: 60em; line-height: 1.5; }

/* 02 light push palette */
.beam-tools { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 20px; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatches button {
  position: relative;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(160deg, var(--top), var(--bot));
  box-shadow: inset 0 0 0 1px rgb(0 0 0 / .08);
  transition: transform .2s var(--ease), box-shadow .2s;
}
.swatches button::after { content: ""; position: absolute; left: 50%; top: 50%; width: 10px; height: 10px; margin: -5px 0 0 -5px; border-radius: 50%; background: var(--beam); box-shadow: 0 0 8px 2px var(--beam); }
.swatches button[aria-checked="true"] { box-shadow: 0 0 0 2px var(--paper), 0 0 0 4px var(--ink); }
@media (hover: hover) { .swatches button:hover { transform: scale(1.08); } }
.pickers { display: flex; gap: 14px; }
.pick { display: inline-flex; align-items: center; gap: 7px; cursor: pointer; }
.pick input { width: 28px; height: 28px; padding: 0; border: 1px solid var(--line); border-radius: 50%; background: none; cursor: pointer; }
.pick input::-webkit-color-swatch-wrapper { padding: 0; }
.pick input::-webkit-color-swatch { border: 0; border-radius: 50%; }
.pick input::-moz-color-swatch { border: 0; border-radius: 50%; }

/* 05 lens flare looks */
.flare-tools { padding: 14px 20px; border-bottom: 1px solid var(--line); }
.flare-looks { display: inline-flex; gap: 2px; padding: 3px; border: 1px solid var(--line); border-radius: 99px; }
.flare-looks button { padding: 7px 14px; border-radius: 99px; color: var(--mute); font: 500 14px var(--display); letter-spacing: -.01em; transition: background-color .2s, color .2s; }
.flare-looks button[aria-checked="true"] { background: var(--ink); color: var(--paper); }
@media (hover: hover) { .flare-looks button[aria-checked="false"]:hover { color: var(--ink); } }

/* 03 text scramble */
.scramble {
  container-type: inline-size;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 0 6% 13%;
  background: radial-gradient(120% 90% at 20% 100%, #1a2219 0%, #0d1012 60%);
  color: #eef0f2;
  cursor: pointer;
}
.sl { display: block; font-family: var(--display); font-size: 9cqw; font-weight: 600; line-height: .98; letter-spacing: -.055em; white-space: nowrap; }
.sl .h { visibility: hidden; }
.sl .g { letter-spacing: -.02em; }

/* 06 variable type */
.vf {
  container-type: inline-size;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 6%;
  background: radial-gradient(120% 90% at 80% 0%, #1b1c24 0%, #0d0f12 60%);
}
.vl { display: block; font-family: var(--display); font-size: 10.5cqw; line-height: 1.02; letter-spacing: -.03em; white-space: nowrap; }
.vl span { display: inline-block; color: rgb(238 240 242 / .45); font-variation-settings: "wght" 400, "wdth" 75; }

/* 08 tilt cards */
.tilt {
  container-type: inline-size;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7%;
  perspective: 1000px;
  background: radial-gradient(90% 80% at 50% 110%, #22302a 0%, #0d1012 70%);
  cursor: default;
}
.tcard {
  --rx: 0deg; --ry: 0deg; --gx: 50%; --gy: 50%; --lift: 0;
  position: relative;
  width: 30%;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  border-radius: 14px;
  cursor: pointer;
  transform: translateZ(calc(var(--lift) * 30px)) rotateX(var(--rx)) rotateY(var(--ry));
  box-shadow: 0 calc(14px + var(--lift) * 18px) calc(30px + var(--lift) * 30px) -10px rgb(0 0 0 / .65);
}
.tc-art { position: absolute; inset: 0; }
.tcard:nth-child(1) .tc-art { background: linear-gradient(160deg, #ffc26b 0%, #e0603a 55%, #5b2a4a 100%); }
.tcard:nth-child(2) .tc-art { background: linear-gradient(200deg, #6fe3d8 0%, #2a6f8f 50%, #1d2440 100%); }
.tc-art span { position: absolute; left: 9%; top: 3%; color: rgb(255 255 255 / .93); font-family: var(--display); font-size: 19cqw; font-weight: 600; line-height: 1; letter-spacing: -.06em; }
.tc-foil { position: absolute; inset: 0; opacity: .4; mix-blend-mode: color-dodge; background: linear-gradient(115deg, transparent 22%, rgb(255 0 170 / .45) 36%, rgb(0 255 230 / .45) 46%, rgb(255 240 0 / .4) 56%, transparent 70%); background-size: 260% 260%; background-position: var(--gx) var(--gy); }
.tc-glare { position: absolute; inset: 0; mix-blend-mode: overlay; background: radial-gradient(circle at var(--gx) var(--gy), rgb(255 255 255 / .7), rgb(255 255 255 / 0) 48%); }
.tc-meta { position: absolute; left: 9%; right: 9%; bottom: 6%; display: flex; justify-content: space-between; align-items: baseline; gap: 6px; color: rgb(255 255 255 / .85); font-family: var(--mono); font-size: 2.1cqw; white-space: nowrap; }
.tc-meta b { color: #fff; font-family: var(--display); font-size: 3.6cqw; font-weight: 600; letter-spacing: -.03em; }

/* further reading */
.studio-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0 var(--gap); }
.studio-links a { display: block; padding: 16px 0 18px; border-bottom: 1px solid var(--line); }
.studio-links b { font-family: var(--display); font-size: 20px; font-weight: 550; letter-spacing: -.03em; }
.studio-links small { display: block; margin-top: 4px; color: var(--mute); font-size: 14px; line-height: 1.5; }
@media (hover: hover) { .studio-links a:hover b { color: var(--accent); } }