:root{--bg: #0f1117;--bg-panel: #171a23;--bg-hover: #1f2330;--border: #2a2f3e;--text: #e8eaf0;--text-muted: #8a90a3;--accent: #e8590c;--accent-soft: rgba(232, 89, 12, .15);--green: #2f9e44;--blue: #1c7ed6;--purple: #9c36b5;--red: #e03131}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Segoe UI,system-ui,-apple-system,Noto Sans Tamil,sans-serif;background:var(--bg);color:var(--text);font-size:15px}.app{display:flex;height:100vh}.sidebar{width:340px;min-width:300px;background:var(--bg-panel);border-right:1px solid var(--border);padding:20px 16px;display:flex;flex-direction:column;gap:16px;overflow-y:auto}.brand{display:flex;align-items:center;gap:12px}.brand-logo{width:44px;height:44px;border-radius:12px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:700}.brand h1{font-size:20px}.brand 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