/* Strange Weather
 * A full-bleed dark canvas for chaos to paint on. Deliberately different
 * in feel from the site's other pages -- an unlit room, so the light the
 * attractor makes is the only thing you see. */

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow: hidden;
  background: #04050a;
  font-family: "Courier New", Courier, monospace;
  color: #aeb6cc;
}

#sky {
  position: fixed;
  inset: 0;
  display: block;
  width: 100vw;
  height: 100vh;
}

a {
  color: #9aa6d8;
  text-decoration: none;
  border-bottom: 1px dotted #3a4266;
}
a:hover {
  color: #eef0ff;
  text-shadow: 0 0 8px rgba(150, 170, 255, 0.7);
}

.back_link {
  position: fixed;
  top: 16px;
  left: 20px;
  font-size: 0.8rem;
  letter-spacing: 0.16em;
  z-index: 5;
  mix-blend-mode: difference;
}

/* ---- title, top centre ---- */
.masthead {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  text-align: center;
  z-index: 4;
  pointer-events: none;
}
.masthead h1 {
  margin: 0;
  font-weight: normal;
  font-size: 1.5rem;
  letter-spacing: 0.5em;
  color: #dfe4ff;
  text-shadow: 0 0 24px rgba(120, 140, 255, 0.35);
}
.masthead p {
  margin: 4px 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: #6b7399;
}

/* ---- control dock, bottom centre ---- */
.dock {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  max-width: 92vw;
  background: rgba(10, 12, 24, 0.55);
  border: 1px solid rgba(90, 100, 150, 0.25);
  border-radius: 10px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  justify-content: center;
}

button {
  font-family: inherit;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: #c4cbe6;
  background: rgba(40, 46, 78, 0.5);
  border: 1px solid #3a4266;
  border-radius: 4px;
  padding: 6px 13px;
  cursor: pointer;
  transition: all 0.16s ease;
}
button:hover {
  color: #fff;
  border-color: #8b96d8;
  box-shadow: 0 0 14px rgba(139, 150, 216, 0.35);
}
button.active {
  color: #05060a;
  background: #aeb6ea;
  border-color: #aeb6ea;
}

.slider {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #7a83aa;
}
input[type="range"] {
  width: 120px;
  accent-color: #8b96d8;
  background: transparent;
}

.readout {
  font-size: 0.66rem;
  letter-spacing: 0.06em;
  color: #5f6790;
  text-align: center;
  line-height: 1.7;
}
.readout .eq { color: #97a0ce; }
.readout .params { color: #c4cbe6; }

.hint {
  position: fixed;
  bottom: 20px;
  right: 22px;
  z-index: 4;
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: #4a5178;
  text-align: right;
  max-width: 30vw;
  pointer-events: none;
}

@media (max-width: 620px) {
  .hint { display: none; }
  .masthead { top: 44px; }
  .masthead h1 { font-size: 1.1rem; letter-spacing: 0.35em; }
}