:root{--bg0:#08080d;--bg1:#0a0c12;--bg-deep:#050609;--ink:#d7e2ee;--ink2:#9aabbe;--dim:#5d6d80;--line:rgba(138,168,200,0.10);--line-strong:rgba(138,168,200,0.22);--panel:transparent;--panel-glass:transparent;--console-bg:rgba(10,12,18,0.30);--surface-faint:rgba(11,18,26,0.16);--surface-hint:rgba(11,18,26,0.08);--line-faint:rgba(138,168,200,0.12);--cool:#8fb6d8;--warm:#d39872;--node-low:#3a556e;--node-high:#cfe3f5;--glow-halo:rgba(143,182,216,0.10);--glow-tint1:rgba(138,158,200,0.08);--glow-tint2:rgba(211,152,114,0.06);--link-stroke:rgba(143,182,216,0.18);--accent:#75ffda;--accent-dark:#10a37f;--accent-glow:rgba(117,248,208,0.22);--accent-subtle:rgba(117,248,208,0.07);--accent-2:#5eb8ff;--accent-2-glow:rgba(93,189,255,0.18);--accent-3:#9e7aff;--accent-3-glow:rgba(158,122,255,0.18);--danger:#ff6f7a;--danger-glow:rgba(255,111,125,0.18);--warn:#ffd27a;--font-xs:11px;--font-sm:13px;--font-base:15px;--font-lg:17px;--font-xl:20px;--font-2xl:24px;--weight-normal:400;--weight-medium:510;--weight-semibold:590;--weight-bold:680;--space-xs:6px;--space-sm:10px;--space:16px;--space-lg:22px;--space-xl:32px;--radius-sm:10px;--radius:14px;--radius-lg:18px;--radius-xl:22px;--shadow-sm:0 2px 8px rgba(0,0,0,0.18);--shadow:0 8px 32px rgba(0,0,0,0.30);--shadow-lg:0 20px 60px rgba(0,0,0,0.48);--transition:180ms ease;--mobile-status-top:0px;color-scheme:dark;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg0);color:var(--ink);}*{box-sizing:border-box;}html,body{width:100%;height:100%;overflow:hidden;margin:0;}body{min-height:100vh;min-height:100dvh;background:var(--bg0);}#app{min-height:100vh;min-height:100dvh;}button,input{font:inherit;}button{-webkit-tap-highlight-color:transparent;cursor:pointer;}a{color:inherit;text-decoration:none;}svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-linecap:round;stroke-linejoin:round;stroke-width:1.8;}img.asset-icon{display:block;width:20px;height:20px;max-width:20px;max-height:20px;object-fit:contain;flex:0 0 20px;pointer-events:none;}.round-button .asset-icon,.icon-button .asset-icon,.icon-btn .asset-icon,.topbar-icon-btn 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0 22px rgba(158,122,255,0.04),0 12px 40px rgba(0,0,0,0.32);}.btn-accent{color:var(--bg0);background:linear-gradient(135deg,#91ffdc,#58c7ff);border:1px solid rgba(117,248,208,0.46);box-shadow:inset 0 1px 0 rgba(255,255,255,0.26),inset 0 0 22px rgba(117,248,208,0.08);}.btn-accent:hover{background:linear-gradient(135deg,#a2ffea,#68d5ff);}.btn-accent:active{transform:scale(0.96);}.btn-ghost{color:var(--accent);background:var(--accent-subtle);border:1px solid rgba(117,248,208,0.18);}.btn-ghost:active{transform:scale(0.96);}.btn-surface{color:var(--ink2);background:var(--surface-faint);border:1px solid 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reverse;}.graph-line{position:absolute;left:50%;top:50%;width:96px;height:1px;transform-origin:left center;background:linear-gradient(90deg,rgba(117,248,208,0),rgba(117,248,208,0.54),rgba(93,189,255,0));opacity:0.76;animation:lineFlow 3.4s ease-in-out infinite;}.line-a{transform:rotate(24deg);}.line-b{transform:rotate(146deg);animation-delay:-1.1s;}.line-c{transform:rotate(266deg);animation-delay:-2s;}.graph-node{position:absolute;z-index:3;width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px rgba(117,248,208,0.70);animation:nodeFloat 5s ease-in-out infinite;}.node-a{left:34px;top:48px;}.node-b{right:28px;top:60px;width:8px;height:8px;animation-delay:-1.2s;}.node-c{left:44px;bottom:40px;width:8px;height:8px;animation-delay:-2.4s;}.node-d{right:50px;bottom:34px;width:12px;height:12px;background:#d7fff5;animation-delay:-3.1s;}.node-e{left:88px;top:18px;width:7px;height:7px;animation-delay:-4s;}@keyframes 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var(--space-sm);color:var(--ink2);background:rgba(2,8,14,0.46);font-size:var(--font-sm);font-weight:var(--weight-medium);text-align:left;}.sidebar-mode-btn svg{width:20px;height:20px;}.sidebar-mode-btn.active{border-color:rgba(117,248,208,0.28);color:var(--accent);background:rgba(117,248,208,0.07);}.chat-composer{position:absolute;right:13px;bottom:max(12px,env(safe-area-inset-bottom));left:13px;z-index:5;display:grid;grid-template-columns:40px 1fr 40px 46px;align-items:center;gap:6px;min-height:56px;padding:6px;border:1px solid rgba(138,168,200,0.14);border-radius:var(--radius-xl);background:linear-gradient(rgba(117,248,208,0.018) 1px,transparent 1px),linear-gradient(90deg,rgba(93,189,255,0.014) 1px,transparent 1px),rgba(13,13,26,0.92);background-size:24px 24px,24px 24px,auto;backdrop-filter:blur(10px) saturate(1.16);-webkit-backdrop-filter:blur(10px) saturate(1.16);box-shadow:0 8px 32px 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