:root {
  --bg: #05060d;
  --ink: #e9ecf6;
  --dim: #8f98b4;
  --line: rgba(255, 255, 255, 0.12);
  --card: rgba(13, 16, 32, 0.66);
  --acc: #ffb86b;
  --acc2: #7ad0ff;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html { color-scheme: dark; background: var(--bg); }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
}
.dim { color: var(--dim); }

/* fondo con paralaje */
.bg {
  position: fixed;
  left: -40px; top: -40px;
  width: calc(100vw + 80px);
  height: calc(100vh + 80px);
  pointer-events: none;
  z-index: 0;
}

.app {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 16px;
  display: grid;
  gap: 16px;
  grid-template-columns: minmax(0, 1fr);
  grid-template-areas: "head" "stage" "panel";
}
.head { grid-area: head; display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap; }
.stage { grid-area: stage; position: relative; margin: 0; }
.panel { grid-area: panel; }

h1 {
  margin: 0;
  font-size: 3rem;
  line-height: 1;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, var(--acc), #ff7eb6 55%, var(--acc2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.sub { margin: 0; font-family: var(--mono); font-size: 0.95rem; }

.stage canvas {
  display: block;
  width: min(100%, 78vh);
  height: auto;
  aspect-ratio: 1;
  margin: 0 auto;
  touch-action: pan-y;
  cursor: grab;
  user-select: none;
  -webkit-user-select: none;
}
.stage canvas:active { cursor: grabbing; }
.status {
  position: absolute;
  left: 0; right: 0; bottom: 8%;
  margin: 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--acc2);
  min-height: 1.4em;
  pointer-events: none;
}
.hint { position: absolute; left: 0; right: 0; bottom: 0; margin: 0; text-align: center; font-family: var(--mono); font-size: 0.75rem; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 20px;
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
}
.kind { margin: 0; font-family: var(--mono); font-size: 0.8rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--acc); }
h2 { margin: 2px 0 14px; font-size: 2rem; line-height: 1.15; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.report { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 0 0 14px; font-size: 0.95rem; }
.report dt { color: var(--dim); font-family: var(--mono); font-size: 0.8rem; padding-top: 2px; text-transform: uppercase; letter-spacing: 0.06em; }
.report dd { margin: 0; overflow-wrap: anywhere; }
.note { margin: 0 0 18px; font-style: italic; color: #c9cfe4; }

.controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }
.btn {
  font: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 16px;
  min-height: 40px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover:not(:disabled) { background: rgba(255, 255, 255, 0.13); border-color: rgba(255, 255, 255, 0.3); }
.btn:disabled { opacity: 0.4; cursor: default; }
.btn.primary { background: linear-gradient(120deg, var(--acc), #ff8fb8); color: #1a1020; border-color: transparent; font-weight: 600; }
.btn.primary:hover:not(:disabled) { background: linear-gradient(120deg, #ffc98f, #ffa3c6); }
:focus-visible { outline: 2px solid var(--acc2); outline-offset: 2px; }

.seedrow { display: flex; gap: 8px; align-items: center; margin-bottom: 18px; }
.seedrow label { font-family: var(--mono); font-size: 0.8rem; color: var(--dim); text-transform: uppercase; letter-spacing: 0.06em; }
.seedrow input {
  flex: 1;
  min-width: 0;
  font: inherit;
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--ink);
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 8px 12px;
  min-height: 40px;
}
.seedrow input::placeholder { color: #5f6783; }

.logtitle { margin: 0 0 8px; font-family: var(--mono); font-size: 0.8rem; font-weight: 400; color: var(--dim); text-transform: uppercase; letter-spacing: 0.1em; }
.log { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.log button { display: block; padding: 0; border: 2px solid transparent; border-radius: 50%; background: none; cursor: pointer; overflow: hidden; width: 52px; height: 52px; transition: border-color 0.15s, transform 0.15s; }
.log button:hover { transform: scale(1.08); }
.log button.on { border-color: var(--acc); }
.log .thumb { display: block; width: 100%; height: 100%; border-radius: 50%; }

.foot { position: relative; z-index: 1; max-width: 1180px; margin: 12px auto 0; padding: 16px 16px 28px; text-align: center; color: var(--dim); font-size: 0.8rem; }
.foot p { margin: 0 0 4px; }
.nojs { position: relative; z-index: 1; margin: 0 auto; max-width: 560px; padding: 16px; text-align: center; color: var(--acc); }

@media (min-width: 920px) {
  .app { padding: 28px; gap: 20px 32px; grid-template-columns: minmax(0, 1.3fr) minmax(340px, 0.7fr); grid-template-areas: "head head" "stage panel"; align-items: center; }
  h1 { font-size: 3.6rem; }
  .stage canvas { width: min(100%, 76vh); }
}
@media (max-width: 420px) {
  h2 { font-size: 1.7rem; }
  .btn { padding: 8px 14px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}