.item-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
    .item-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 10px; padding: 16px; }
    .item-card.low-stock { border-left: 4px solid var(--accent-warning); }
    .item-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
    .item-name { font-weight: 600; font-size: 1.05rem; }
    .item-category { font-size: 0.8rem; color: var(--text-muted); padding: 2px 8px; background: var(--bg-tertiary); border-radius: 10px; }
    .stock-bar { height: 8px; background: var(--bg-tertiary); border-radius: 4px; overflow: hidden; margin: 12px 0; }
    .stock-fill { height: 100%; transition: width 0.3s; }
    .stock-fill.ok { background: var(--accent-secondary); }
    .stock-fill.low { background: var(--accent-warning); }
    .stock-fill.critical { background: var(--accent-danger); }
    .item-info { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; font-size: 0.85rem; color: var(--text-secondary); }
    
    /* 登录样式 */
    .login-form { max-width: 360px; margin: 0 auto; }
    .login-form .form-group { margin-bottom: 20px; }
    .login-hint { margin-top: 16px; padding: 12px; background: var(--bg-tertiary); border-radius: 8px; font-size: 0.85rem; color: var(--text-muted); }
    .login-hint code { background: var(--bg-input); padding: 2px 6px; border-radius: 4px; font-family: var(--font-mono); }
    
    /* 记录表格 */
    .log-row { display: grid; grid-template-columns: 1.5fr 0.8fr 0.8fr 1fr 1.5fr; gap: 8px; padding: 8px; border-bottom: 1px solid var(--border-color); font-size: 0.85rem; align-items: center; }
    .log-row.header { font-weight: 600; color: var(--text-muted); font-size: 0.8rem; }
    .log-type { padding: 2px 8px; border-radius: 10px; font-size: 0.75rem; display: inline-block; }
    .log-type.in { background: var(--accent-secondary-light); color: var(--accent-secondary); }
    .log-type.out { background: var(--accent-warning-light); color: var(--accent-warning); }
    
    /* 统计图表 */
    .stat-card { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 10px; padding: 20px; margin-bottom: 16px; }
    .stat-card h4 { margin-bottom: 12px; color: var(--text-secondary); }
    .stat-bar-group { margin: 8px 0; }
    .stat-bar-item { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
    .stat-bar-label { width: 100px; font-size: 0.85rem; text-align: right; }
    .stat-bar-track { flex: 1; height: 20px; background: var(--bg-tertiary); border-radius: 10px; overflow: hidden; }
    .stat-bar-fill { height: 100%; border-radius: 10px; transition: width 0.5s; display: flex; align-items: center; padding-left: 8px; font-size: 0.75rem; color: white; }