#note-gate {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
  transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.9s;
}

#note-gate.is-leaving {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.note-gate-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 30%, var(--accent-dim), transparent 60%),
    var(--ink);
  animation: note-gate-bg-pulse 6s ease-in-out infinite;
}

@keyframes note-gate-bg-pulse {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; }
}

.note-gate-card {
  position: relative;
  z-index: 1;
  width: min(360px, 88vw);
  padding: 40px 32px;
  border-radius: 18px;
  background: var(--panel-strong);
  border: 1px solid var(--panel-border);
  backdrop-filter: blur(18px);
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255,255,255,0.02);
  opacity: 0;
  transform: translateY(24px) scale(0.96);
  animation: note-gate-in 0.9s cubic-bezier(0.22, 1, 0.36, 1) 0.15s forwards;
}

@keyframes note-gate-in {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.note-gate-eyebrow {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
}

.note-gate-title {
  margin: 0 0 10px;
  font-family: var(--font-brand);
  font-size: 1.9rem;
  font-weight: 500;
  color: var(--paper);
}

.note-gate-hint {
  margin: 0 0 24px;
  font-size: 0.85rem;
  color: var(--ink-soft);
}

#note-gate-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

#note-gate-input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--panel-border);
  background: rgba(255, 255, 255, 0.04);
  color: var(--paper);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.25s, box-shadow 0.25s;
}

#note-gate-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-dim);
}

#note-gate-form button {
  padding: 12px 14px;
  border-radius: 10px;
  border: none;
  background: var(--accent);
  color: var(--ink);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: filter 0.2s, transform 0.2s;
}

#note-gate-form button:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

.note-gate-error {
  margin: 14px 0 0;
  font-size: 0.8rem;
  color: #ff8a8a;
}

.note-gate-card.is-shaking {
  animation: note-gate-shake 0.4s;
}

@keyframes note-gate-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-8px); }
  75% { transform: translateX(8px); }
}

#note-app {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.8s ease;
}

#note-app.is-visible {
  opacity: 1;
  pointer-events: auto;
}