:root {
    --safe-area-top: env(safe-area-inset-top, 0px);
    --safe-area-bottom: env(safe-area-inset-bottom, 0px);
    --safe-area-left: env(safe-area-inset-left, 0px);
    --safe-area-right: env(safe-area-inset-right, 0px);
    --primary-color: #333;
    --bg-color: #fff;
    --text-color: #333;
    --border-color: #ddd;
    --danger-color: #c0392b;
}

html, body {
    touch-action: manipulation;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-color);
    color: var(--text-color);
    min-height: 100vh;
    -webkit-user-select: none;
    user-select: none;
    font-size: 16px;
    line-height: 1.5;
}

input, textarea, select {
    -webkit-user-select: text;
    user-select: text;
    font-size: 16px !important; /* 防止 iOS 自动缩放 */
}

button {
    min-height: 44px;
    min-width: 44px;
    border: 1px solid var(--border-color);
    background: #f5f5f5;
    border-radius: 4px;
    padding: 8px 16px;
    font-size: 16px;
    cursor: pointer;
    transition: background 0.2s;
}

button:active {
    background: #e0e0e0;
}

button.primary {
    background: #007aff;
    color: #fff;
    border-color: #007aff;
}

button.danger {
    background: #ff3b30;
    color: #fff;
    border-color: #ff3b30;
}

a {
    color: #007aff;
    text-decoration: none;
}

.container {
    padding: 16px;
    padding-top: calc(16px + var(--safe-area-top));
    padding-bottom: calc(16px + var(--safe-area-bottom));
    max-width: 800px;
    margin: 0 auto;
    box-sizing: border-box;
}

.hidden {
    display: none !important;
}

/* 表单样式 */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* 页脚 */
.site-footer {
    text-align: center;
    padding: 16px 8px;
    padding-bottom: calc(16px + var(--safe-area-bottom));
    font-size: 12px;
    color: #999;
    background: #fafafa;
    border-top: 1px solid #eee;
}

.site-footer a {
    color: #999;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.site-footer p {
    margin: 4px 0;
}

.site-footer .beian-icon {
    width: 14px;
    height: 14px;
    margin-right: 4px;
    vertical-align: middle;
}

/* 通用列表 */
.list-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid #eee;
}

.list-item .item-content {
    flex: 1;
}

.list-item .item-actions {
    display: flex;
    gap: 8px;
}

/* 加载指示器 */
.loading {
    text-align: center;
    padding: 20px;
    color: #666;
}