.pin-gate {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.pin-gate-backdrop {
  position: absolute;
  inset: 0;
  background: #e7e0d4;
}

.pin-gate-window {
  position: relative;
  width: min(100%, 420px);
  background: var(--color-panel-2);
  border-top: 2px solid var(--color-line-light);
  border-left: 2px solid var(--color-line-light);
  border-right: 2px solid var(--color-line-dark);
  border-bottom: 2px solid var(--color-line-dark);
  box-shadow: var(--shadow-3);
}

.pin-gate-titlebar {
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 10px;
  background: var(--color-accent);
  color: #fff;
}

.pin-gate-title {
  font-family: var(--font-ui);
  font-size: var(--text-ui-md);
  line-height: 1;
}

.pin-gate-body {
  padding: 18px;
}

.pin-gate-copy {
  margin: 0 0 16px;
  font-family: var(--font-body);
  font-size: var(--text-body-md);
  line-height: 1.45;
  color: var(--color-text-soft);
}

.pin-gate-display {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.pin-dot {
  display: block;
  height: 16px;
  border-top: 2px solid var(--color-ui-line-dark);
  border-left: 2px solid var(--color-ui-line-dark);
  border-right: 2px solid var(--color-ui-line-light);
  border-bottom: 2px solid var(--color-ui-line-light);
  background: #f4efe7;
  box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.03);
}

.pin-dot.is-filled {
  background: #2f2419;
}

.pin-gate-error {
  min-height: 22px;
  margin-bottom: 12px;
  color: #9f2b2b;
  font-family: var(--font-body);
  font-size: var(--text-body-sm);
}

.pin-gate-keypad {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.pin-gate-keypad button {
  appearance: none;
  min-height: 56px;
  padding: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-ui);
  color: var(--color-ui-text);
  border-top: 2px solid var(--color-ui-line-light);
  border-left: 2px solid var(--color-ui-line-light);
  border-right: 2px solid var(--color-ui-line-dark);
  border-bottom: 2px solid var(--color-ui-line-dark);
  font-family: var(--font-ui);
  font-size: 22px;
  line-height: 1;
  box-shadow: var(--shadow-2);
  cursor: pointer;
}

.pin-gate-keypad button:active {
  transform: translate(1px, 1px);
  box-shadow: none;
  border-top: 2px solid var(--color-ui-line-dark);
  border-left: 2px solid var(--color-ui-line-dark);
  border-right: 2px solid var(--color-ui-line-light);
  border-bottom: 2px solid var(--color-ui-line-light);
}

.pin-gate-keypad .pin-gate-action {
  font-size: 16px;
}

@media (max-width: 640px) {
  .pin-gate {
    padding: 16px;
  }

  .pin-gate-body {
    padding: 16px;
  }

  .pin-gate-keypad button {
    min-height: 52px;
    font-size: 20px;
  }
}