.app {
  width: min(980px, 100%);
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: 18px;
  box-shadow: var(--panel-shadow);
  overflow: hidden;
}

.head {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid var(--section-head-border);
  background: var(--section-head-bg);
}

.head h1 {
  margin: 0 0 0.2rem;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  background: linear-gradient(90deg, var(--accent), var(--accent-2) 52%, var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

.main {
  padding: 1rem;
  display: grid;
  gap: 0.9rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
}

.readout {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  font-variant-numeric: tabular-nums;
  color: var(--accent-deep);
}

.readout strong {
  font-weight: 650;
}

#status {
  color: var(--muted);
  font-size: 0.95rem;
  min-height: 1.3em;
}

.chart-wrap {
  background: var(--chart-bg);
  border: 1px solid var(--section-head-border);
  border-radius: 12px;
  padding: 0.65rem;
}

.guide-panel {
  border: 1px solid var(--section-head-border);
  background: color-mix(in srgb, var(--panel) 88%, var(--chart-bg));
  border-radius: 12px;
}

.guide-head {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--section-head-border);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 22%, var(--panel)),
    color-mix(in srgb, var(--accent-2) 18%, var(--panel)) 55%,
    color-mix(in srgb, var(--accent-3) 16%, var(--panel))
  );
}

.guide-head h2 {
  margin: 0;
  font-size: 1rem;
  color: var(--accent-deep);
}

.guide-head p {
  margin: 0.2rem 0 0;
  color: #5b6972;
  font-size: 0.86rem;
}

.guide-grid {
  padding: 0.5rem 0.7rem 0.7rem;
  display: grid;
  gap: 0.5rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.guide-item {
  padding: 0.55rem 0.62rem;
  border: 1px solid var(--section-head-border);
  border-radius: 10px;
  background: var(--panel);
  font-size: 0.88rem;
  color: var(--ink);
  line-height: 1.35;
}

.guide-ipa {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent-deep);
  margin: 0 0 0.16rem;
}

.guide-meta {
  margin: 0;
}

canvas {
  width: 100%;
  height: auto;
  display: block;
  background: var(--chart);
  border-radius: 10px;
}

.note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.inspiration-panel {
  border: 1px solid var(--section-head-border);
  border-left: 4px solid var(--accent-2);
  border-radius: 10px;
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 10%, var(--panel)),
    color-mix(in srgb, var(--accent-3) 8%, var(--panel))
  );
  padding: 0.72rem 0.85rem;
  color: var(--ink);
  font-size: 0.92rem;
  line-height: 1.4;
}

.inspiration-panel a {
  color: var(--accent-2);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.inspiration-panel p {
  margin: 0;
}

body[data-theme="dark"] .head p,
body[data-theme="dark"] .note {
  color: #e7defa;
}

body[data-theme="dark"] .readout {
  color: #f6f1ff;
}

body[data-theme="dark"] .readout strong,
body[data-theme="dark"] .guide-meta strong {
  color: #ffd1ea;
}

body[data-theme="dark"] .guide-head h2,
body[data-theme="dark"] .guide-ipa,
body[data-theme="dark"] .inspiration-panel {
  color: #f9f5ff;
}

body[data-theme="dark"] .inspiration-panel a {
  color: #ffb8e1;
}

@media (max-width: 640px) {
  .main {
    gap: 0.72rem;
    padding: 0.75rem;
  }

  .controls {
    gap: 0.5rem;
  }

  .controls button,
  .controls select {
    min-height: 44px;
  }

  .chart-wrap {
    padding: 0.38rem;
  }

  .guide-grid {
    grid-template-columns: 1fr;
    padding: 0.45rem;
  }
}