:root{--bg: #0a0a0a;--panel: #111318;--panel-soft: #151923;--border: #232936;--text: #f5f7fb;--muted: #b2bccf;--shadow: rgba(0,0,0,.24)}:root[data-theme=light]{--bg: #f3f5f8;--panel: #ffffff;--panel-soft: #f7f8fb;--border: #dde3ec;--text: #0f1728;--muted: #5e6b80;--shadow: rgba(16,24,40,.08)}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}button{cursor:pointer}input,select,textarea{width:100%;border:1px solid var(--border);background:var(--panel);color:var(--text);border-radius:14px;padding:12px 14px}textarea{resize:vertical}.app-shell{display:grid;grid-template-columns:270px 1fr;min-height:100vh}.sidebar{border-right:1px solid var(--border);padding:16px}.main-area{min-width:0}.topbar{position:sticky;top:0;z-index:10;display:flex;gap:16px;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border)}.content-area{padding:24px}.panel{background:color-mix(in srgb,var(--panel) 88%,transparent)}.panel,.panel-soft,.card{border-radius:24px}.card{border:1px solid var(--border);box-shadow:0 14px 36px var(--shadow)}.panel-soft{border:1px solid var(--border);background:var(--panel-soft);padding:16px}.brand-card{display:flex;align-items:center;gap:12px;margin-bottom:20px}.brand-icon{width:44px;height:44px;display:grid;place-items:center;border-radius:16px;background:#10b98126;color:#6ee7b7}.brand-title{font-size:1.2rem;font-weight:700}.nav-list{display:grid;gap:8px}.nav-button{display:flex;align-items:center;gap:12px;width:100%;border:0;background:transparent;color:var(--text);padding:14px 16px;border-radius:18px}.nav-button:hover{background:color-mix(in srgb,var(--panel-soft) 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