/* PIN Authentication Gate */
.pin-gate {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 70vh;
  padding: var(--cg-space-lg, 1.5rem);
}

.pin-gate-card {
  background: var(--cg-bg-card, #1c2128);
  border: 1px solid var(--cg-border, #30363d);
  border-radius: var(--cg-radius-lg, 12px);
  padding: var(--cg-space-2xl, 2.5rem);
  text-align: center;
  max-width: 400px;
  width: 100%;
}

.pin-gate-icon {
  color: var(--cg-accent, #2d8cf0);
  margin-bottom: var(--cg-space-lg, 1.5rem);
}

.pin-gate-card h2 {
  margin: 0 0 var(--cg-space-sm, 0.5rem);
  color: var(--cg-text-primary, #e6edf3);
  font-size: 1.4rem;
}

.pin-gate-card > p {
  color: var(--cg-text-secondary, #8b949e);
  margin: 0 0 var(--cg-space-xl, 2rem);
}

.pin-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--cg-space-md, 1rem);
}

.pin-input-group {
  width: 100%;
  max-width: 200px;
}

.pin-input {
  width: 100%;
  padding: var(--cg-space-md, 1rem);
  background: var(--cg-bg-elevated, #21262d);
  border: 2px solid var(--cg-border, #30363d);
  border-radius: var(--cg-radius-md, 8px);
  color: var(--cg-text-primary, #e6edf3);
  font-size: 1.5rem;
  font-family: var(--cg-font-mono, monospace);
  text-align: center;
  letter-spacing: 0.3em;
  transition: border-color 0.2s ease;
}

.pin-input:focus {
  outline: none;
  border-color: var(--cg-accent, #2d8cf0);
  box-shadow: 0 0 0 3px rgba(45, 140, 240, 0.15);
}

.pin-input::placeholder {
  color: var(--cg-text-muted, #484f58);
  letter-spacing: 0.3em;
}

.pin-submit {
  min-width: 200px;
}

/* Overlay mode: full-screen covering entire page */
.pin-gate-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 99999;
  background: var(--cg-bg-primary, #0d1117);
  min-height: 100vh;
}

.pin-error {
  color: var(--cg-danger, #f85149);
  font-size: 0.9rem;
  padding: var(--cg-space-sm, 0.5rem) var(--cg-space-md, 1rem);
  background: rgba(248, 81, 73, 0.1);
  border-radius: var(--cg-radius-md, 8px);
  max-width: 300px;
}