:root{--bg-base:#f4f7fb;--bg-surface:#fff;--text-main:#172033}body{background-color:var(--bg-base);color:var(--text-main);font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}.app-layout{min-height:100vh}.sider{background:#fff!important;border-right:1px solid #e5e7eb;position:relative}.nav-menu{background:transparent!important;margin-top:12px}.platform-nav{margin-top:12px;border-top:1px solid #e6edf5;padding-top:10px}.platform-nav-title{display:block;padding:0 24px 6px;color:#667085;font-size:12px;font-weight:600;letter-spacing:.04em}.brand{display:flex;align-items:center;gap:12px;padding:20px 24px;border-bottom:1px solid #e5e7eb}.brand-mark{width:32px;height:32px;border-radius:8px;display:grid;place-items:center;background:#06b6d4;color:#fff;font-weight:700}.brand-title{color:#0f172a!important}.brand-subtitle{font-size:12px;color:#0891b2}.sider-footer{position:absolute;bottom:0;width:260px;padding:16px;border-top:1px solid #e5e7eb}.app-header{background:#fff!important;padding:0 32px!important;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e7eb}.app-content{padding:32px;background:#f4f7fb;overflow:auto}.page-full,.page-stack{width:100%}.page-row{display:flex;align-items:flex-start;justify-content:space-between}.page-grid{display:grid;grid-template-columns:240px minmax(0,1fr) 280px;grid-gap:16px;gap:16px;min-height:calc(100vh - 220px)}.full-height{height:100%}.graph-card{min-height:560px;flex:1 1}.center-text{text-align:center}.editor-area{min-height:420px;height:100%}.muted-small{font-size:12px}.status-success{color:#059669}.icon-cyan{color:#0891b2}.icon-violet{color:#7c3aed}.icon-amber{color:#d97706}.icon-red{color:#dc2626}.code-font{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}.graph-wrap{min-height:520px;display:flex;align-items:center;justify-content:center}.graph-title{margin-bottom:0!important}.token-progress{margin-top:12px}.glass-panel{background:hsla(0,0%,100%,.92);border:1px solid #dbe3ef;box-shadow:0 8px 24px rgba(15,23,42,.05)}.ant-layout-sider-children{background:#fff}.ant-menu-light .ant-menu-item-selected{background:#e6f7fb!important;color:#087f9b!important}.graph-canvas{background-image:radial-gradient(#cbd5e1 1px,transparent 0);background-size:18px 18px}.graph-node{width:92px;height:92px;border-radius:50%;display:grid;place-items:center;border:2px solid #0891b2;color:#087f9b;background:#cffafe;box-shadow:0 0 45px rgba(8,145,178,.2)}.code-block{margin:0;padding:16px;border-radius:8px;background:#f8fafc;color:#087f9b;border:1px solid #dbe3ef;overflow:auto}.chat-page{width:100%;max-width:1080px;margin:0 auto}.chat-heading{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.chat-card{min-height:calc(100vh - 300px)}.chat-messages{min-height:420px;max-height:calc(100vh - 430px);overflow-y:auto}.chat-message{padding:18px 8px!important}.chat-message.user{background:#f0f9ff;border-radius:8px;padding-left:16px!important}.chat-content{color:#334155;white-space:pre-wrap}.chat-composer{display:flex;gap:12px;align-items:flex-end;border-top:1px solid #e5e7eb;padding-top:16px}.chat-composer .ant-input{flex:1 1}.auth-loading,.login-page{min-height:calc(100vh - 160px);display:grid;place-items:center}.login-card{width:min(460px,100%);box-shadow:0 16px 40px rgba(15,23,42,.08)}@media (max-width:900px){.page-grid{grid-template-columns:1fr}.chat-heading{flex-direction:column;gap:12px}.chat-composer{flex-direction:column;align-items:stretch}}