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

:root {
  --bg: #0a1220;
  --bg2: #0d1a2e;
  --panel: #101f33;
  --line: #1c3552;
  --ink: #eaf2ff;
  --dim: #7d93b8;
  --accent: #ffd93d;
  --danger: #ff5a5f;
  --ok: #6bcb77;
  --red: #ff5a5f;
  --blue: #54a0ff;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  overscroll-behavior: none;
}

body {
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  touch-action: manipulation;
}

.hidden { display: none !important; }

button {
  font: inherit;
  color: inherit;
  border: none;
  cursor: pointer;
  touch-action: manipulation;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 12px;
  background: var(--accent);
  color: #1a1500;
  font-weight: 800;
  font-size: 17px;
  letter-spacing: 1px;
  box-shadow: 0 4px 0 #b89713;
  transition: transform 0.05s, box-shadow 0.05s, opacity 0.15s;
}
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #b89713; }
.btn:disabled { opacity: 0.35; pointer-events: none; }

.btn-ghost {
  background: var(--panel);
  color: var(--ink);
  box-shadow: 0 4px 0 #0a1526;
}
.btn-ghost:active { box-shadow: 0 1px 0 #0a1526; }

.mute-btn {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--dim);
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--line);
  font-size: 13px;
  font-weight: 700;
  color: var(--dim);
  white-space: nowrap;
}
.chip b { color: var(--ink); letter-spacing: 2px; }

.err-msg {
  min-height: 20px;
  color: var(--danger);
  font-weight: 700;
  font-size: 14px;
  text-align: center;
  margin-top: 10px;
}