/* ============================================================
   DualStar · 首次引导
   密码设置 + 模式选择
   ============================================================ */

.onboarding-view {
  position: fixed;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 24px;
  overflow-y: auto;
  background: var(--bg);
}

.onboarding-view::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 40% at 30% 20%, var(--accent-soft) 0%, transparent 50%),
    radial-gradient(ellipse 50% 35% at 70% 80%, var(--highlight) 0%, transparent 50%);
  opacity: 0.3;
  pointer-events: none;
}

.onboarding-card {
  position: relative;
  width: 100%;
  max-width: 380px;
  background: var(--bg-elevated);
  border-radius: var(--r-xl);
  padding: 36px 28px;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  z-index: 1;
}

.onboarding-step {
  display: none;
}
.onboarding-step.active {
  display: block;
  animation: stepIn 0.5s var(--ease-out);
}

@keyframes stepIn {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.onboarding-header {
  text-align: center;
  margin-bottom: 32px;
}

.onboarding-logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  border-radius: var(--r-lg);
  background: var(--accent-soft);
  margin-bottom: 16px;
  color: var(--accent-deep);
}

.onboarding-title {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text);
  margin-bottom: 8px;
}

.onboarding-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.6;
  letter-spacing: 0.3px;
}

/* —— 密码输入 —— */
.pin-display {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin: 28px 0 32px;
}

.pin-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), opacity var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}

.pin-dot.filled {
  background: var(--accent);
  border-color: var(--accent);
  transform: scale(1.1);
}

.pin-dot.error {
  border-color: var(--danger);
  animation: shake 0.4s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.pin-keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 0 auto;
  max-width: 280px;
}

.pin-key {
  height: 64px;
  border-radius: var(--r-md);
  background: var(--bg-soft);
  font-size: 22px;
  font-weight: 500;
  font-family: var(--font-display);
  color: var(--text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), opacity var(--dur-fast), transform var(--dur-fast) var(--ease-out);
  border: 1px solid var(--border);
  user-select: none;
}

.pin-key:hover {
  background: var(--surface);
  transform: translateY(-1px);
}

.pin-key:active {
  background: var(--accent-soft);
  transform: scale(0.96);
}

.pin-key.action {
  background: transparent;
  border-color: transparent;
  color: var(--text-secondary);
  font-size: 16px;
  font-weight: 400;
}

.pin-key.action:hover {
  background: var(--surface);
}

/* —— 模式选择 —— */
.mode-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 28px 0;
}

.mode-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg-soft);
  border: 2px solid transparent;
  border-radius: var(--r-lg);
  cursor: pointer;
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.mode-card:hover {
  background: var(--surface);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mode-card.selected {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.mode-card-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-deep);
  box-shadow: var(--shadow-sm);
}

.mode-card.selected .mode-card-icon {
  background: var(--accent);
  color: var(--text-inverse);
}

.mode-card-body {
  flex: 1;
}

.mode-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
  letter-spacing: 0.3px;
}

.mode-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.mode-card-check {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 1.5px solid var(--border-strong);
  flex-shrink: 0;
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), opacity var(--dur-fast), transform var(--dur-fast) var(--ease-out);
}

.mode-card.selected .mode-card-check {
  background: var(--accent);
  border-color: var(--accent);
}

.mode-card-check svg {
  width: 14px;
  height: 14px;
  color: var(--text-inverse);
  opacity: 0;
  transition: opacity var(--dur-fast);
}

.mode-card.selected .mode-card-check svg {
  opacity: 1;
}

/* —— 步骤指示器 —— */
.step-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 24px;
}

.step-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--border-strong);
  transition: background-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}

.step-dot.active {
  background: var(--accent);
  width: 20px;
  border-radius: var(--r-full);
}

/* —— 完成动画 —— */
.onboarding-done {
  text-align: center;
  padding: 24px 0;
}

.onboarding-done-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-inverse);
  animation: doneBounce 0.6s var(--ease-spring);
}

@keyframes doneBounce {
  0% { transform: scale(0); }
  60% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

/* —— 提示 —— */
.onboarding-hint {
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
  margin-top: 16px;
  letter-spacing: 0.3px;
}

.onboarding-hint code {
  font-family: var(--font-mono);
  background: var(--surface);
  padding: 2px 8px;
  border-radius: var(--r-xs);
  color: var(--accent-deep);
}