:root{color-scheme:light dark;--bg: #0f1115;--panel: #181b22;--border: #2a2e37;--text: #e8e9ec;--muted: #9aa1ac;--accent: #6d8dfa}@media (prefers-color-scheme: light){:root{--bg: #f4f5f7;--panel: #ffffff;--border: #dde1e7;--text: #14161a;--muted: #5b6270;--accent: #3559d6}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.login-screen{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:2rem;width:320px;text-align:center}.login-box h1{margin-top:0;font-size:1.4rem}input,button{font:inherit}input[type=text],input[type=password],textarea,select{width:100%;padding:.5rem .7rem;border-radius:8px;border:1px solid var(--border);background:var(--bg);color:var(--text);margin-bottom:.6rem}button{padding:.5rem 1rem;border-radius:8px;border:1px solid var(--border);background:var(--accent);color:#fff;cursor:pointer}button.secondary{background:transparent;color:var(--text)}.app-shell{display:flex;min-height:100vh}nav.sidebar{width:180px;border-right:1px solid var(--border);padding:1rem;display:flex;flex-direction:column;gap:.4rem}nav.sidebar h2{font-size:1.1rem;margin:0 0 1rem}nav.sidebar button{background:transparent;color:var(--text);border:none;text-align:left;padding:.5rem .6rem;border-radius:6px}nav.sidebar button.active{background:var(--panel);font-weight:600}main.content{flex:1;padding:1.5rem 2rem;max-width:1100px}.tiles{display:flex;gap:1rem;flex-wrap:wrap;margin-bottom:1.5rem}.tile{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1rem 1.4rem;min-width:120px}.tile .n{font-size:1.8rem;font-weight:700}.tile .label{color:var(--muted);font-size:.85rem}.card{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:1rem;margin-bottom:.8rem}.card .meta{color:var(--muted);font-size:.8rem;margin-bottom:.3rem}.card .body{white-space:pre-wrap;word-break:break-word;font-size:.9rem}.todo-row{display:flex;align-items:center;gap:.6rem;padding:.4rem 0;border-bottom:1px solid var(--border)}.todo-row .title{flex:1}.todo-row .client{color:var(--muted);font-size:.8rem}.search-box{display:flex;gap:.6rem;margin-bottom:1rem}.search-box input{margin-bottom:0}.search-box button{white-space:nowrap}.graph-container{background:var(--panel);border:1px solid var(--border);border-radius:10px;height:420px;margin-bottom:1.5rem;overflow:hidden}.error-banner{background:#a33;color:#fff;padding:.5rem .8rem;border-radius:8px;margin-bottom:1rem}.muted{color:var(--muted)}