.app{min-height:100vh;background:#f5f5f5}:root{--primary: #6366f1;--primary-light: #818cf8;--primary-dark: #4f46e5;--primary-bg: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--text-primary: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--bg-page: #f8fafc;--bg-card: #ffffff;--bg-gray: #f3f4f6;--border: #e5e7eb;--border-light: #f3f4f6;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 9999px;--transition: all .2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;line-height:1.6;color:var(--text-primary);background:var(--bg-page);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button{border:none;outline:none;background:none;cursor:pointer;font-family:inherit}input,textarea{border:none;outline:none;font-family:inherit}.page{min-height:100vh;padding:16px;padding-bottom:calc(70px + env(safe-area-inset-bottom,16px))}.btn{display:inline-flex;align-items:center;justify-content:center;height:44px;padding:0 24px;border-radius:var(--radius-full);font-size:15px;font-weight:600;transition:var(--transition);white-space:nowrap}.btn-primary{background:var(--primary-bg);color:#fff;box-shadow:0 4px 14px #6366f159}.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px #6366f173}.btn-primary:active{transform:translateY(0);box-shadow:0 2px 8px #6366f14d}.btn-primary:disabled{background:linear-gradient(135deg,#d1d5db,#e5e7eb);box-shadow:none;cursor:not-allowed}.btn-outline{border:2px solid var(--primary);color:var(--primary);background:#fff}.btn-outline:hover{background:#6366f10d}.btn-outline:active{background:#6366f11a}.btn-ghost{color:var(--text-secondary);background:var(--bg-gray)}.btn-ghost:hover{background:#e5e7eb}.btn-sm{height:36px;padding:0 16px;font-size:13px}.card{background:var(--bg-card);border-radius:var(--radius-lg);padding:16px;margin-bottom:12px;box-shadow:var(--shadow-sm);transition:var(--transition)}.card:hover{box-shadow:var(--shadow-md)}.input{width:100%;height:48px;padding:0 16px;background:var(--bg-gray);border-radius:var(--radius-md);font-size:15px;color:var(--text-primary);transition:var(--transition)}.input::placeholder{color:var(--text-muted)}.input:focus{background:#fff;box-shadow:0 0 0 3px #6366f126}.textarea{width:100%;min-height:120px;padding:14px 16px;background:var(--bg-gray);border-radius:var(--radius-md);font-size:15px;resize:vertical;transition:var(--transition)}.textarea::placeholder{color:var(--text-muted)}.textarea:focus{background:#fff;box-shadow:0 0 0 3px #6366f126}.tag{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--radius-full);font-size:12px;font-weight:500}.tag-primary{background:#6366f11a;color:var(--primary)}.tag-success{background:#10b9811a;color:var(--success)}.tag-warning{background:#f59e0b1a;color:var(--warning)}.loading{text-align:center;padding:40px;color:var(--text-muted);font-size:14px}.empty{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-icon{font-size:48px;margin-bottom:16px;opacity:.5}.empty-text{font-size:15px}.divider{height:1px;background:var(--border-light);margin:16px 0}.avatar{width:48px;height:48px;border-radius:var(--radius-md);object-fit:cover;background:var(--bg-gray)}.avatar-sm{width:36px;height:36px}.avatar-lg{width:64px;height:64px;border-radius:var(--radius-lg)}.tab-bar{position:fixed;bottom:0;left:0;right:0;display:flex;background:#fffffff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--border-light);padding:8px 0;padding-bottom:env(safe-area-inset-bottom,8px);z-index:100}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 0;font-size:11px;font-weight:500;color:var(--text-muted);transition:var(--transition)}.tab-item-icon{font-size:22px;line-height:1}.tab-item.active{color:var(--primary)}.tab-item.active .tab-item-icon{transform:scale(1.1)}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.fade-in{animation:fadeIn .3s ease}