:root {
  --bg-cream: #f8f3e9;
  --bg-sand: #e8dcc5;
  --ink: #102132;
  --panel-bg: rgba(255, 251, 242, 0.88);
  --accent: #f06449;
  --accent-soft: #4ea7a0;
  --frame-shadow: 0 24px 90px rgba(16, 33, 50, 0.2);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 5%, #fff8e6 0%, transparent 40%),
    linear-gradient(135deg, var(--bg-cream) 0%, var(--bg-sand) 100%);
  overflow: hidden;
}

.atmosphere {
  position: fixed;
  inset: auto;
  border-radius: 999px;
  filter: blur(50px);
  opacity: 0.4;
  pointer-events: none;
  animation: float 11s ease-in-out infinite;
}

.atmosphere-a {
  width: 32vmax;
  height: 32vmax;
  left: -7vmax;
  top: -8vmax;
  background: linear-gradient(40deg, #f06449, #f5d547);
}

.atmosphere-b {
  width: 38vmax;
  height: 38vmax;
  right: -10vmax;
  bottom: -12vmax;
  background: linear-gradient(30deg, #63bcc9, #4ea7a0);
  animation-delay: -3s;
}

.app-shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  padding: 1.2rem;
  display: grid;
  grid-template-columns: minmax(260px, 320px) 1fr;
  gap: 1rem;
}

.control-panel {
  align-self: stretch;
  border: 1px solid rgba(16, 33, 50, 0.1);
  border-radius: 24px;
  padding: 1.1rem;
  background: var(--panel-bg);
  backdrop-filter: blur(8px);
  box-shadow: var(--frame-shadow);
  animation: panel-in 0.7s ease-out both;
  max-height: calc(100vh - 2.4rem);
  overflow-y: auto;
}

.control-panel h1 {
  margin: 0;
  font-size: clamp(1.5rem, 2.6vw, 2.1rem);
  font-family: "Rockwell", "Avenir Next Condensed", serif;
  letter-spacing: 0.03em;
}

.control-panel p {
  margin: 0.45rem 0 1.2rem;
  font-size: 0.95rem;
  line-height: 1.45;
  opacity: 0.84;
}

.controls {
  display: grid;
  gap: 0.45rem;
}

.mode-group {
  display: grid;
  gap: 0.35rem;
}

.combo-layer {
  display: grid;
  gap: 0.32rem;
  padding: 0.5rem;
  border: 1px solid rgba(16, 33, 50, 0.1);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.42);
}

.range-block {
  margin-top: 0.5rem;
  display: grid;
  gap: 0.38rem;
}

.value-pill {
  float: right;
  font-family: "Menlo", "Consolas", monospace;
  font-size: 0.78rem;
  opacity: 0.8;
}

input[type="range"] {
  padding: 0;
  accent-color: var(--accent);
}

.random-options {
  margin-top: 0.8rem;
  padding: 0.6rem;
  border-radius: 14px;
  border: 1px solid rgba(16, 33, 50, 0.13);
  background: rgba(255, 255, 255, 0.55);
  display: grid;
  gap: 0.35rem;
}

.preset-options,
.record-options,
.audio-options,
.postfx-options {
  margin-top: 0.8rem;
  padding: 0.6rem;
  border-radius: 14px;
  border: 1px solid rgba(16, 33, 50, 0.13);
  background: rgba(255, 255, 255, 0.55);
  display: grid;
  gap: 0.4rem;
}

.random-options p {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  font-family: "Menlo", "Consolas", monospace;
}

.preset-options p,
.record-options p,
.audio-options p,
.postfx-options p {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  font-family: "Menlo", "Consolas", monospace;
}

.action-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.35rem;
}

.check-item {
  margin: 0;
  font-size: 0.9rem;
  letter-spacing: 0;
  text-transform: none;
  font-family: "Avenir Next", "Gill Sans", "Trebuchet MS", sans-serif;
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.check-item input {
  width: 1rem;
  height: 1rem;
}

label {
  margin-top: 0.4rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.75;
  font-family: "Menlo", "Consolas", monospace;
}

select,
input,
button {
  border: 1px solid rgba(16, 33, 50, 0.2);
  border-radius: 12px;
  font-size: 0.95rem;
  padding: 0.62rem 0.72rem;
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
}

select:focus,
input:focus,
button:focus {
  outline: 2px solid var(--accent-soft);
  outline-offset: 1px;
}

.actions {
  margin-top: 1rem;
  display: grid;
  gap: 0.45rem;
  grid-template-columns: 1fr 1fr;
}

button {
  cursor: pointer;
  font-weight: 600;
  transition: transform 130ms ease, box-shadow 130ms ease, border-color 130ms ease;
}

button:disabled {
  opacity: 0.52;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

button:hover {
  transform: translateY(-1px);
  border-color: var(--accent);
  box-shadow: 0 8px 18px rgba(240, 100, 73, 0.2);
}

.history-status {
  margin: 0.7rem 0 0;
  font-size: 0.82rem;
  opacity: 0.68;
  font-family: "Menlo", "Consolas", monospace;
}

.record-status {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  opacity: 0.7;
  font-family: "Menlo", "Consolas", monospace;
  text-transform: none;
  letter-spacing: 0;
}

.audio-status {
  margin: 0.1rem 0 0;
  font-size: 0.8rem;
  opacity: 0.72;
  font-family: "Menlo", "Consolas", monospace;
  text-transform: none;
  letter-spacing: 0;
}

#audioFileInput {
  display: none;
}

.canvas-frame {
  position: relative;
  border-radius: 28px;
  border: 1px solid rgba(16, 33, 50, 0.12);
  box-shadow: var(--frame-shadow);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.8);
  animation: stage-in 0.85s ease both;
}

.render-canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
}

#glCanvas {
  display: none;
}

#fxCanvas {
  pointer-events: none;
}

@keyframes panel-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes stage-in {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(30px) rotate(8deg);
  }
}

@media (max-width: 920px) {
  body {
    overflow: auto;
  }

  .app-shell {
    min-height: 100vh;
    grid-template-columns: 1fr;
    grid-template-rows: auto minmax(58vh, 1fr);
  }

  .control-panel {
    max-width: 100%;
    max-height: none;
  }

  .actions {
    grid-template-columns: 1fr;
  }
}