:root {
  --bg: #0d0a0f;
  --card: #1a1218;
  --accent: #8b3a5a;
  --accent-soft: #c46b8a;
  --gold: #d4af37;
  --text: #f0e6ea;
  --muted: #a09098;
  --circle: #2a1a2a;
}

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

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  padding: 0.5rem;
  background-image: url('../assets/images/bg.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

header {
  text-align: center;
  padding: 1rem 0 0.5rem;
}

header h1 {
  font-weight: 300;
  letter-spacing: 2px;
  color: var(--gold);
  font-size: 1.8rem;
}

.tagline {
  color: var(--muted);
  font-size: 0.9rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  justify-content: center;
  margin: 1rem 0;
}

.nav-btn {
  background: var(--card);
  border: 1px solid #333;
  color: var(--text);
  padding: 0.5rem 0.8rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
}

.nav-btn.active {
  background: var(--accent);
  border-color: var(--accent-soft);
}

main {
  max-width: 480px;
  margin: 0 auto;
}

.view { display: none; }
.view.active { display: block; }

.card {
  background: var(--card);
  border-radius: 16px;
  padding: 1.2rem;
  margin-bottom: 1rem;
  border: 1px solid #2a2028;
}

.card.subtle { background: #151015; }

h2, h3 { margin-bottom: 0.6rem; font-weight: 400; color: var(--accent-soft); }

.big-btn {
  background: linear-gradient(135deg, var(--accent), #6a2a4a);
  color: white;
  border: none;
  padding: 1rem 2rem;
  border-radius: 40px;
  font-size: 1.1rem;
  width: 100%;
  margin: 0.8rem 0;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(139, 58, 90, 0.4);
}

.btn {
  background: #2a2028;
  color: var(--text);
  border: 1px solid #444;
  padding: 0.6rem 1rem;
  border-radius: 12px;
  margin: 0.3rem;
  cursor: pointer;
}

.btn.danger { background: #5a2020; }

.circle-container {
  display: flex;
  justify-content: center;
  margin: 2rem 0;
}

.circle {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, #3a2030, var(--circle));
  border: 3px solid var(--accent);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s ease, border-color 0.3s;
  box-shadow: 0 0 40px rgba(139, 58, 90, 0.3);
}

.circle.squeeze {
  transform: scale(1.15);
  border-color: var(--gold);
  box-shadow: 0 0 60px rgba(212, 175, 55, 0.4);
}

.circle.release {
  transform: scale(0.9);
  border-color: var(--accent-soft);
}

#phase-text {
  font-size: 1.6rem;
  font-weight: 300;
  letter-spacing: 1px;
}

#countdown {
  font-size: 2.5rem;
  color: var(--gold);
  margin-top: 0.5rem;
}

.controls {
  text-align: center;
}

.status { text-align: center; color: var(--muted); margin-top: 0.5rem; min-height: 1.2rem; }

label { display: block; margin: 0.6rem 0 0.3rem; color: var(--muted); font-size: 0.9rem; }
label.inline { display: flex; align-items: center; gap: 0.5rem; }

input[type="number"], input[type="text"], select {
  width: 100%;
  padding: 0.6rem;
  background: #0d0a0f;
  border: 1px solid #333;
  border-radius: 8px;
  color: var(--text);
  font-size: 1rem;
}

input[type="range"] { width: 100%; }

.disclaimer {
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
  margin-top: 1.5rem;
  padding: 0.5rem;
  opacity: 0.8;
}

#plug-timer {
  font-size: 2rem;
  text-align: center;
  color: var(--gold);
  margin: 1rem 0;
  font-variant-numeric: tabular-nums;
}

.history-item {
  padding: 0.6rem 0;
  border-bottom: 1px solid #2a2028;
  font-size: 0.9rem;
}

.mode-select { margin-bottom: 1rem; }

@media (max-width: 480px) {
  .circle { width: 180px; height: 180px; }
  #phase-text { font-size: 1.3rem; }
  #countdown { font-size: 2rem; }
}

.help { color: #c8b8c1; font-size: .85rem; line-height: 1.65; margin: .7rem 0; }
a { color: #edb6ca; }
button:disabled { opacity: .45; cursor: default; box-shadow: none; }
button:focus-visible, input:focus-visible, select:focus-visible, a:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }
button { min-height: 44px; }
#countdown { font-variant-numeric: tabular-nums; }
.history-item { overflow-wrap: anywhere; }
@media (prefers-reduced-motion: reduce) { .circle { transition: none; transform: none; } }