:root{--bg: #111216;--surface: #1b1d24;--surface-2: #23262f;--border: #2f3340;--text: #f0f0f0;--muted: #9aa0aa;--accent: #00a2ff;--green: #02b757;--danger: #ff4d4f;font-family:Inter,Segoe UI,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0;background:var(--bg)}button,input{font:inherit}code,pre{font-family:Consolas,monospace}.loading-screen,.auth-page{min-height:100vh;display:grid;place-items:center;background:radial-gradient(circle at top,#1a2332,var(--bg))}.auth-card{width:min(420px,92vw);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:28px}.brand{display:flex;gap:14px;align-items:center;margin-bottom:24px}.brand h1{margin:0;font-size:1.35rem}.brand p{margin:4px 0 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ul{color:var(--muted);line-height:1.6}.empty-state{background:var(--surface);border:1px dashed var(--border);border-radius:12px;padding:40px;text-align:center}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000a6;display:grid;place-items:center;z-index:50}.modal{width:min(520px,92vw);background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:22px}.modal h2{margin-top:0}.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}.install-steps{line-height:1.7;color:var(--muted);padding-left:18px}.waiting{text-align:center;padding:20px 0}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);margin:0 auto 12px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid 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