:root{--primary: #4f46e5;--primary-d: #4338ca;--bg: #f5f6fa;--card: #ffffff;--text: #1e293b;--muted: #64748b;--border: #e2e8f0;--danger: #ef4444;--radius: 12px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}input,textarea,select,button{font-family:inherit}a{color:var(--primary)}.boot{display:flex;align-items:center;justify-content:center;height:100%;color:var(--muted)}.input{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:10px;font-size:15px;background:#fff;outline:none;transition:border-color .15s}.input:focus{border-color:var(--primary)}.textarea{resize:vertical;min-height:64px}.select{padding:9px 10px;border:1px solid var(--border);border-radius:10px;background:#fff;font-size:14px;outline:none}.btn{border:none;border-radius:10px;padding:11px 16px;font-size:15px;cursor:pointer;transition:background .15s,opacity .15s}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-sm{padding:7px 12px;font-size:13px}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-d)}.btn-ghost{background:#f1f5f9;color:var(--text)}.btn-ghost:hover:not(:disabled){background:#e2e8f0}.btn-danger{background:#fee2e2;color:var(--danger)}.btn-danger:hover:not(:disabled){background:#fecaca}.error{color:var(--danger);font-size:13px;margin:8px 0}.app{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px}.brand-logo{font-size:22px}.topbar-right{display:flex;align-items:center;gap:10px}.phone{font-size:13px;color:var(--muted)}.toolbar{display:flex;flex-direction:column;gap:8px;padding:12px 16px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:53px;z-index:9}.toolbar .search{width:100%}.filters{display:flex;gap:8px;align-items:center}.filters .select{flex:1;min-width:0}.view-toggle{display:flex;border:1px solid var(--border);border-radius:10px;overflow:hidden}.view-toggle button{background:#fff;border:none;padding:9px 12px;cursor:pointer;font-size:15px}.view-toggle button.active{background:var(--primary);color:#fff}.content{flex:1;padding:12px 16px 120px;max-width:760px;margin:0 auto;width:100%}.content.grid{max-width:1100px}.empty{text-align:center;color:var(--muted);padding:60px 20px}.empty-icon{font-size:48px}.empty-sub{font-size:13px}.stream-list{display:flex;flex-direction:column;gap:10px}.grid-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;cursor:pointer;transition:box-shadow .15s,transform .05s}.card:hover{box-shadow:0 4px 16px #00000014}.card:active{transform:scale(.99)}.card-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.platform-badge{display:inline-flex;align-items:center;gap:4px;color:#fff;font-size:12px;padding:3px 8px;border-radius:999px;white-space:nowrap}.level-badge{width:22px;height:22px;border-radius:50%;color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center}.card-title{font-weight:600;font-size:15px;line-height:1.4;margin-bottom:4px;word-break:break-word}.card-desc{font-size:13px;color:var(--muted);line-height:1.5;margin-bottom:6px}.card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:6px}.tag{font-size:12px;color:var(--primary);background:#eef2ff;padding:2px 8px;border-radius:999px}.tag.removable{cursor:pointer}.card-foot{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.card-time{font-size:12px;color:var(--muted)}.card-link{font-size:13px;text-decoration:none}.paste-bar{position:fixed;left:0;right:0;bottom:0;display:flex;gap:8px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fffffff2;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--border);z-index:20}.paste-input{flex:1}.paste-btn{white-space:nowrap}.paste-error{position:absolute;bottom:100%;left:16px;margin:0 0 6px}.paste-preview{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:flex-end;justify-content:center;z-index:30;padding:16px}.pp-card{background:#fff;border-radius:16px;padding:16px;width:100%;max-width:560px;box-shadow:0 10px 40px #0000004d}.pp-head{display:flex;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}.pp-url{font-size:12px;color:var(--muted);word-break:break-all}.pp-title{font-size:16px;font-weight:600;margin-bottom:4px;word-break:break-word}.pp-desc{font-size:13px;color:var(--muted);margin-bottom:12px}.pp-level{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:12px}.pp-level-label{font-size:14px}.level-pill{border:1px solid;border-radius:999px;padding:5px 12px;font-size:13px;cursor:pointer;background:transparent}.pp-actions{display:flex;justify-content:flex-end;gap:8px}.modal-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:40;padding:16px}.modal{background:#fff;border-radius:16px;padding:18px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.modal-close{border:none;background:#f1f5f9;width:30px;height:30px;border-radius:8px;cursor:pointer;font-size:14px}.form-label{display:block;font-size:13px;color:var(--muted);margin:12px 0 6px}.level-row,.tag-input-row{display:flex;gap:8px}.tag-input-row .input{flex:1}.modal-link{display:inline-block;margin-top:14px;font-size:14px;text-decoration:none}.modal-actions{display:flex;align-items:center;justify-content:space-between;margin-top:20px}.modal-actions-right{display:flex;gap:8px}.settings-page{max-width:560px;margin:0 auto;padding:16px}.settings-section{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.settings-section h2{margin:0 0 12px;font-size:16px}.settings-row{margin-bottom:12px}.settings-row:last-child{margin-bottom:0}.settings-label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.settings-hint{font-size:12px;color:var(--muted);margin-top:4px}.settings-status{padding:8px 12px;border-radius:8px;font-size:13px;margin-top:8px}.settings-status.success{background:#dcfce7;color:#15803d}.settings-status.error{background:#fee2e2;color:var(--danger)}.settings-status.info{background:#e0e7ff;color:#4338ca}.settings-secret{display:flex;gap:8px;align-items:center}.settings-secret .input{flex:1}.ai-summary-section{margin-top:12px;padding:10px;background:#f8fafc;border-radius:8px;font-size:13px;line-height:1.6}.ai-loading{color:var(--muted);font-style:italic}.settings-btn-row{display:flex;gap:8px;margin-top:12px}@media (min-width: 640px){.toolbar{flex-direction:row;align-items:center}.toolbar .search{flex:1}}