/* 全局样式 */
:root {
  --primary-color: #4f46e5;
  --secondary-color: #8b5cf6;
  --accent-color: #ec4899;
  --background-color: #f5f7fa;
  --text-color: #1e293b;
  --light-text: #64748b;
  --border-color: #e2e8f0;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--background-color);
  color: var(--text-color);
  -webkit-font-smoothing: antialiased;
}

.ios-status-bar {
  height: 44px;
  background-color: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 16px;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--border-color);
}

.ios-tab-bar {
  height: 83px;
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-around;
  align-items: center;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  border-top: 1px solid var(--border-color);
  z-index: 1000;
}

.tab-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  color: var(--light-text);
  text-decoration: none;
  font-size: 10px;
  padding: 8px 0;
}

.tab-item.active {
  color: var(--primary-color);
}

.tab-item i {
  font-size: 24px;
  margin-bottom: 4px;
}

.container {
  padding: 16px;
  margin-bottom: 83px;
}

.card {
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  padding: 16px;
  margin-bottom: 16px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 14px;
}

.list-item {
  display: flex;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
}

.list-item:last-child {
  border-bottom: none;
}

.avatar {
  width: 50px;
  height: 50px;
  border-radius: 25px;
  object-fit: cover;
  margin-right: 16px;
}

.badge {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
}

.badge-primary {
  background-color: var(--primary-color);
  color: white;
}

.badge-secondary {
  background-color: #e2e8f0;
  color: var(--light-text);
}

.text-center {
  text-align: center;
}

.flex {
  display: flex;
}

.flex-col {
  flex-direction: column;
}

.items-center {
  align-items: center;
}

.justify-between {
  justify-content: space-between;
}

.gap-2 {
  gap: 8px;
}

.gap-4 {
  gap: 16px;
}

.w-full {
  width: 100%;
}

.mb-2 {
  margin-bottom: 8px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mt-4 {
  margin-top: 16px;
}

.p-4 {
  padding: 16px;
}

.rounded-full {
  border-radius: 9999px;
}

/* iPhone模拟器样式 */
.iphone-frame {
  width: 375px;
  height: 812px;
  background-color: white;
  border-radius: 40px;
  overflow: hidden;
  position: relative;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  margin: 20px auto;
}

.iphone-content {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
}

/* 响应式调整 */
@media (min-width: 768px) {
  .grid-layout {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 1024px) {
  .grid-layout {
    grid-template-columns: repeat(3, 1fr);
  }
}