/* --------------------------------------------------------------------------
   Audio Permission Overlay (First Click Modal)
   -------------------------------------------------------------------------- */
.permission-overlay {
  position: fixed;
  inset: 0;
  background: rgba(240, 237, 230, 0.7); /* 70% transparency so looper is visible underneath */
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.permission-card {
  max-width: 440px;
  padding: 36px 32px;
  background: #fff;
  border: 1px solid var(--paper-border-focus);
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 8px 30px rgba(40, 35, 30, 0.08);
}

.permission-card h2 {
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 2.25rem; /* 1.5x larger than original 1.5rem */
  margin-bottom: 12px;
  color: var(--graphite-dark);
}

.permission-card p {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--graphite-medium);
  margin-bottom: 8px;
}

.permission-headphones {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--graphite-medium);
  background: none;
  border: none;
  padding: 0;
  margin-top: 0;
  margin-bottom: 22px;
  letter-spacing: 0.01em;
}

.permission-headphones .headphones-icon {
  font-size: 0.95rem;
  line-height: 1;
}

[data-theme="dark"] .permission-headphones {
  color: var(--graphite-light);
}

.btn-welcome-latency {
  display: block;
  width: 100%;
  max-width: 250px;
  margin: 0 auto 8px auto;
  padding: 8px 18px;
  background: #2563eb;
  color: #ffffff;
  border: 1px solid #2563eb;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 400;
  line-height: 1.35;
  font-family: var(--font-main);
  cursor: pointer;
  touch-action: manipulation;
  transition: all 0.15s ease;
}

.btn-welcome-latency:hover {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
  border-style: solid;
  transform: translateY(-1px);
}

.btn-welcome-latency:active,
.btn-welcome-latency.pressed {
  background: #1e40af;
  border-color: #1e40af;
  color: #ffffff;
  transform: translateY(0);
}

.welcome-or-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 0.82rem;
  color: var(--graphite-light);
  margin: 0 auto 8px auto;
  user-select: none;
}

[data-theme="dark"] .welcome-or-divider {
  color: var(--graphite-light);
}

[data-theme="dark"] .btn-welcome-latency {
  background: #2563eb;
  color: #ffffff;
  border-color: #2563eb;
}

[data-theme="dark"] .btn-welcome-latency:hover {
  background: #1d4ed8;
  color: #ffffff;
  border-color: #1d4ed8;
  border-style: solid;
}

[data-theme="dark"] .btn-welcome-latency:active,
[data-theme="dark"] .btn-welcome-latency.pressed {
  background: #1e40af;
  border-color: #1e40af;
  color: #ffffff;
}

.btn-primary,
#btn-start-app {
  background: #ea580c;
  color: #ffffff;
  border: 1px solid #ea580c;
  border-radius: var(--radius-pill);
  padding: 10px 24px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: var(--font-main);
  cursor: pointer;
  touch-action: manipulation;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, transform 0.1s ease;
}

.btn-primary:hover,
#btn-start-app:hover {
  background: #ffffff;
  border-color: #ea580c;
  color: #ea580c !important;
  opacity: 1;
  transform: translateY(-1px);
}

.btn-primary:active,
#btn-start-app:active,
.btn-primary.pressed,
#btn-start-app.pressed {
  background: #000000 !important;
  border-color: #000000 !important;
  color: #ffffff !important;
  transform: translateY(0);
}

/* Permission Modal Dismissing (ease-in-elastic exit to the right outside screen) */
.permission-overlay.dismissing {
  pointer-events: none;
  animation: fadeOutBackdrop 0.65s ease forwards;
}

.permission-overlay.dismissing .permission-card {
  animation: exitModalRight 0.65s cubic-bezier(0.55, -0.3, 0.2, 1.3) forwards;
}

@keyframes exitModalRight {
  0% {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
  20% {
    opacity: 1;
    transform: translateX(-24px) scale(1.03);
  }
  40% {
    opacity: 0.95;
    transform: translateX(20px) scale(0.98);
  }
  100% {
    opacity: 0;
    transform: translateX(130vw) scale(0.5);
  }
}

@keyframes fadeOutBackdrop {
  0% {
    opacity: 1;
  }
  65% {
    opacity: 0.65;
  }
  100% {
    opacity: 0;
  }
}

/* --------------------------------------------------------------------------
   Keyboard Shortcut Help Popover / Toast
   -------------------------------------------------------------------------- */
.shortcut-toast {
  position: fixed;
  bottom: 92px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(35, 33, 31, 0.85);
  color: #f7f4ee;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 150;
}

.shortcut-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(-4px);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}