* { box-sizing: border-box; margin: 0; }

body {
  min-height: 100vh;
  background: #0e0e10;
  color: #ececec;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  padding: 20px;
}

.wrap {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 14px;
  max-width: 1040px;
  min-height: calc(100vh - 40px);
  margin: 0 auto;
}

.side {
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: #17171a;
  border: 1px solid #26262b;
  padding: 16px;
}

.back {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: #8b8b93;
  text-decoration: none;
  border: 1px solid #2e2e35;
  padding: 9px 12px;
}

.back span { color: #22c55e; font-size: 15px; }
.back:hover { color: #ececec; border-color: #22c55e; }

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 12px;
  color: #8b8b93;
}

select {
  background: #1f1f23;
  color: #ececec;
  border: 1px solid #2e2e35;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
}

select:disabled { color: #63636b; }

.sliders { display: flex; flex-direction: column; gap: 12px; }

.sliders label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  font-size: 12px;
  color: #8b8b93;
}

.sliders output { color: #ececec; }

input[type="range"] {
  width: 100%;
  accent-color: #22c55e;
  background: transparent;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: #17171a;
  border: 1px solid #26262b;
  padding: 18px;
  gap: 12px;
}

body { overflow-x: hidden; }

header {
  display: flex;
  align-items: center;
  gap: 12px;
}

h1 { font-size: 20px; letter-spacing: -0.02em; }

.ver { font-size: 12px; color: #8b8b93; }

.mode {
  font-size: 11px;
  color: #8b8b93;
  border: 1px solid #2e2e35;
  padding: 3px 8px;
}

#grid {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  grid-template-columns: repeat(var(--cols, 1), var(--tile, 320px));
  gap: 10px;
  align-content: center;
  justify-content: center;
}

#grid canvas {
  width: var(--tile, 320px);
  height: var(--tile, 320px);
  background: #000;
  image-rendering: pixelated;
}

button {
  margin-top: auto;
  padding: 12px 18px;
  font-size: 15px;
  font-weight: 650;
  font-family: inherit;
  color: #fff;
  background: #22c55e;
  border: 0;
  cursor: pointer;
}

button:disabled { background: #2a2a2f; color: #63636b; cursor: wait; }

button.busy {
  background: #232328;
  color: #6b6b74;
  cursor: progress;
  pointer-events: none;
  opacity: 0.85;
}

.seedrow { display: flex; gap: 6px; }

.seedrow input {
  flex: 1;
  min-width: 0;
  background: #1f1f23;
  border: 1px solid #2e2e35;
  color: #ececec;
  padding: 8px 10px;
  font-size: 14px;
  font-family: inherit;
}

.seedrow input:focus { outline: none; border-color: #22c55e; }

button.mini {
  padding: 0 11px;
  font-size: 15px;
  background: #1f1f23;
  border: 1px solid #2e2e35;
  color: #ececec;
}

button.mini:hover { border-color: #22c55e; }

#status { font-size: 13px; color: #8b8b93; min-height: 18px; }

.badges { margin-top: auto; display: flex; gap: 10px; justify-content: center; align-items: center; flex-wrap: wrap; }
.cc { display: inline-block; opacity: 0.7; }
.cc:hover { opacity: 1; }
.cc img { display: block; }

@media (max-width: 780px) {
  body { padding: 12px; }

  .wrap {
    grid-template-columns: 1fr;
    min-height: calc(100vh - 24px);
    gap: 12px;
  }

  .app { order: 1; min-height: 78vh; padding: 14px; gap: 10px; }
  .side { order: 2; }

  #grid { overflow: visible; }

  button { font-size: 16px; }

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

  .badges { justify-content: flex-start; }
}

@media (max-width: 420px) {
  .sliders { grid-template-columns: 1fr; }
  h1 { font-size: 18px; }
}