.passcode-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 1.5rem;
  overflow: hidden;
}

.passcode-form {
  position: relative;
  width: 100%;
  max-width: 560px;
  text-align: center;
}

.passcode-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.passcode-icons img {
  width: 68px;
  height: 68px;
}

.passcode-title {
  position: relative;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 3.75rem);
  color: var(--color-accent);
  margin: 0 0 1rem;
}

.passcode-subtitle {
  position: relative;
  font-size: 1.25rem;
  color: var(--color-text-muted);
  margin: 0 0 2.75rem;
}

.passcode-form input[type="text"] {
  position: relative;
  display: block;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  padding: 0.85rem 0.3rem;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.04em;
  text-align: left;
  color: var(--color-text);
  box-sizing: border-box;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--color-border);
  border-radius: 0;
  transition: border-color 0.15s ease;
}

.passcode-form input[type="text"]::placeholder {
  color: var(--color-text-muted);
  opacity: 0.6;
}

.passcode-form input[type="text"]:focus {
  outline: none;
  border-bottom-color: var(--color-gold);
}

.passcode-form button[type="submit"] {
  position: relative;
  display: block;
  margin: 2.25rem auto 0;
  padding: 0.9rem 3rem;
  background: var(--color-gold);
  color: var(--color-text);
  border: none;
  border-radius: 4px;
  font-size: 1.15rem;
  font-weight: bold;
  letter-spacing: 0.05em;
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  transition: background 0.15s ease, transform 0.1s ease;
}

.passcode-form button[type="submit"]:hover {
  background: var(--color-gold-hover);
}

.passcode-form button[type="submit"]:active {
  transform: translateY(1px);
}

.passcode-error {
  position: relative;
  margin-top: 1.25rem;
  min-height: 1.4em;
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-accent);
}

@media (max-width: 640px) {
  .passcode-icons img {
    width: 52px;
    height: 52px;
  }

  .passcode-title {
    font-size: clamp(2rem, 9vw, 2.75rem);
  }

  .passcode-subtitle {
    font-size: 1.05rem;
  }

  .passcode-form input[type="text"] {
    font-size: 1.3rem;
  }
}