:root{--bg:#f3f2ed;--panel:#fff;--ink:#111;--muted:#6c6c68;--line:#deddd7;--dark:#111;--accent:#d9ff57;--danger:#b42318;--success:#16794b;--radius:16px;--shadow:0 10px 35px rgba(0,0,0,.05)}*{box-sizing:border-box}html{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}body{margin:0;min-height:100vh}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}.app{display:grid;grid-template-columns:250px 1fr;min-height:100vh}.sidebar{background:var(--dark);color:#fff;padding:26px 18px;position:sticky;top:0;height:100vh;overflow:auto}.brand{font-weight:900;letter-spacing:.22em;font-size:18px;padding:0 10px 26px}.brand small{display:block;letter-spacing:0;font-weight:500;color:#888;margin-top:7px;font-size:11px}.nav-group{margin:12px 0 24px}.nav-label{text-transform:uppercase;color:#666;font-size:10px;letter-spacing:.12em;padding:6px 10px}.nav a{display:block;padding:10px 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