/* ============================================
   Welcome Splash (First-Time Users)
   ============================================ */

.welcome-splash {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b8956e' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(135deg, var(--color-paper) 0%, var(--color-paper-warm) 100%);
  padding: var(--space-6);
  overflow-y: auto;
  animation: fade-in 0.3s ease-out;
}

.welcome-splash.hidden {
  display: none;
}

.welcome-card {
  width: 100%;
  max-width: 480px;
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-xl, 16px);
  box-shadow: var(--shadow-xl);
  padding: var(--space-8) var(--space-6) var(--space-6);
  animation: slide-up 0.4s ease-out;
  overflow: hidden;
}

.welcome-steps {
  position: relative;
  min-height: 280px;
}

.welcome-step {
  display: none;
  animation: fade-in 0.25s ease-out;
}

.welcome-step.active {
  display: block;
}

.welcome-icon {
  text-align: center;
  margin-bottom: var(--space-4);
}

.welcome-icon svg {
  width: 64px;
  height: 64px;
  color: var(--color-brass);
  filter: drop-shadow(0 2px 4px rgba(184, 149, 110, 0.3));
}

.welcome-heading {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin: 0 0 var(--space-3) 0;
  letter-spacing: var(--tracking-tight);
}

.welcome-desc {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.6;
  margin: 0;
}

/* Feature grid (step 2) */
.welcome-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.welcome-feature {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-lg, 12px);
  border: 1px solid var(--border-secondary);
  background: var(--bg-secondary);
  transition: border-color 0.15s;
}

.welcome-feature:hover {
  border-color: var(--color-brass-muted);
}

.welcome-feature svg {
  width: 28px;
  height: 28px;
  color: var(--color-river);
  margin-bottom: var(--space-2);
  flex-shrink: 0;
}

.welcome-feature-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  color: var(--text-primary);
  margin-bottom: 2px;
}

.welcome-feature-desc {
  font-size: 0.7rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* Navigation tips (step 3) */
.welcome-nav-tips {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.welcome-tip {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-lg, 12px);
  border: 1px solid var(--border-secondary);
  background: var(--bg-secondary);
}

.welcome-tip-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md, 8px);
  background: var(--color-river);
  color: #fff;
}

.welcome-tip-icon svg {
  width: 18px;
  height: 18px;
}

.welcome-tip div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.welcome-tip strong {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  color: var(--text-primary);
}

.welcome-tip span {
  font-size: 0.75rem;
  color: var(--text-tertiary);
  line-height: 1.4;
}

/* Step dots */
.welcome-dots {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  margin: var(--space-5) 0 var(--space-4);
}

.welcome-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: none;
  padding: 0;
  background: var(--border-secondary);
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
}

.welcome-dot.active {
  background: var(--color-brass);
  transform: scale(1.25);
}

/* Action buttons */
.welcome-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.welcome-skip {
  background: none;
  border: none;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--text-tertiary);
  cursor: pointer;
  font-family: var(--font-body);
  transition: color 0.15s;
}

.welcome-skip:hover {
  color: var(--text-secondary);
}

.welcome-next {
  padding: var(--space-2) var(--space-5);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-body);
  color: #fff;
  background: var(--color-river);
  border: none;
  border-radius: var(--radius-md, 8px);
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}

.welcome-next:hover {
  background: var(--color-river-light);
}

.welcome-next:active {
  transform: scale(0.97);
}

/* Dark mode */
[data-theme="dark"] .welcome-splash {
  background:
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b8956e' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    linear-gradient(135deg, var(--color-paper) 0%, var(--color-paper-warm) 100%);
}

[data-theme="dark"] .welcome-card {
  background: var(--dm-surface, #1a2530);
  border-color: var(--dm-border, #2a3a4a);
}

[data-theme="dark"] .welcome-feature {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--dm-border, #2a3a4a);
}

[data-theme="dark"] .welcome-tip {
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--dm-border, #2a3a4a);
}

[data-theme="dark"] .welcome-dot {
  background: var(--dm-border, #2a3a4a);
}

[data-theme="dark"] .welcome-dot.active {
  background: var(--color-brass);
}

/* Mobile responsive */
@media (max-width: 480px) {
  .welcome-card {
    padding: var(--space-6) var(--space-4) var(--space-4);
  }

  .welcome-steps {
    min-height: 260px;
  }

  .welcome-features {
    gap: var(--space-2);
  }

  .welcome-feature {
    padding: var(--space-2);
  }

  .welcome-feature-desc {
    font-size: 0.65rem;
  }
}