.account-container {
  max-width: 1200px;
  margin: 40px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
}

.account-sidebar {
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 24px;
  height: fit-content;
  box-shadow: 0 1px 3px rgba(0,0,0,0.02);
}

.account-user-card {
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 20px;
}

.user-avatar-circle {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #8b5cf6);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 12px;
}

.account-nav {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.account-nav-btn {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.92rem;
  color: #475569;
  border: none;
  background: transparent;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all 0.2s;
}

.account-nav-btn:hover {
  background: #f8fafc;
  color: #2563eb;
}

.account-nav-btn.active {
  background: #eff6ff;
  color: #2563eb;
  font-weight: 700;
}

/* Order Cards */
.order-card {
  background: white;
  border-radius: 16px;
  border: 1px solid #e2e8f0;
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.02);
  transition: transform 0.2s;
}

.order-card:hover {
  box-shadow: 0 6px 16px rgba(0,0,0,0.05);
}

.order-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid #f1f5f9;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.order-no {
  font-size: 1.1rem;
  font-weight: 800;
  color: #0f172a;
}

.order-date {
  font-size: 0.85rem;
  color: #64748b;
}

.order-badges {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.order-items-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.order-item-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.order-tracking-box {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.tracking-info {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn-tracking {
  background: #2563eb;
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  text-decoration: none;
}

.btn-refund {
  background: white;
  border: 1px solid #cbd5e1;
  color: #475569;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.86rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}

.btn-refund:hover {
  background: #fee2e2;
  border-color: #fca5a5;
  color: #dc2626;
}

@media (max-width: 868px) {
  .account-container { grid-template-columns: 1fr; }
}