:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--bg:#0b0e14;--bg-elevated:#12161f;--bg-hover:#1a2029;--border:#232a36;--text:#e6e9ef;--text-dim:#8b93a3;--accent:#4f8cff;--green:#3ecf8e;--red:#f0576b;--amber:#e2a336;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100vh;margin:0}a{color:var(--accent)}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--bg-elevated);border-right:1px solid var(--border);flex-direction:column;flex-shrink:0;gap:.25rem;width:220px;padding:1.5rem 1rem;display:flex}.sidebar h1{margin:0 0 1.5rem .5rem;font-size:1.1rem}.sidebar a{color:var(--text-dim);border-radius:6px;padding:.5rem .75rem;font-size:.92rem;text-decoration:none;display:block}.sidebar a:hover,.sidebar a.active{background:var(--bg-hover);color:var(--text)}.sidebar .spacer{flex:1}.sidebar .logout-btn{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;text-align:left;background:0 0;border-radius:6px;padding:.5rem .75rem;font-size:.85rem}.main-content{flex:1;max-width:1100px;padding:2rem;overflow-x:auto}.page-title{margin:0 0 1.5rem;font-size:1.4rem}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;margin-bottom:1.25rem;padding:1.25rem}.stat-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:1rem;margin-bottom:1.5rem;display:grid}.stat-tile{background:var(--bg-elevated);border:1px solid var(--border);border-radius:10px;padding:1rem}.stat-tile .label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.04em;font-size:.78rem}.stat-tile .value{overflow-wrap:anywhere;margin-top:.25rem;font-size:1.4rem;font-weight:600}.stat-tile .value.text{font-size:1rem}.value.positive{color:var(--green)}.value.negative{color:var(--red)}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--border);padding:.55rem .6rem}th{color:var(--text-dim);text-transform:uppercase;letter-spacing:.03em;font-size:.78rem;font-weight:500}tr:hover td{background:var(--bg-hover)}.badge{border-radius:999px;padding:.15rem .5rem;font-size:.75rem;font-weight:600;display:inline-block}.badge.pass{color:var(--green);background:#3ecf8e26}.badge.fail{color:var(--red);background:#f0576b26}.login-page{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;width:320px;padding:2rem}.login-card h1{text-align:center;margin:0 0 1.5rem;font-size:1.2rem}.field{margin-bottom:1rem}.field label{color:var(--text-dim);margin-bottom:.3rem;font-size:.82rem;display:block}input[type=email],input[type=password],input[type=text]{background:var(--bg);border:1px solid var(--border);width:100%;color:var(--text);border-radius:6px;padding:.55rem .65rem;font-size:.9rem}button.primary{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:6px;width:100%;padding:.6rem;font-size:.9rem;font-weight:600}button.primary:disabled{opacity:.6;cursor:default}.form-error{color:var(--red);margin-bottom:1rem;font-size:.85rem}.muted{color:var(--text-dim)}.explanation-box{background:var(--bg);border:1px solid var(--border);white-space:pre-wrap;border-radius:8px;padding:.75rem;font-size:.8rem;overflow-x:auto}.chat-toggle{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:50%;width:52px;height:52px;font-size:1.3rem;position:fixed;bottom:1.5rem;right:1.5rem;box-shadow:0 4px 14px #0006}.chat-panel{background:var(--bg-elevated);border:1px solid var(--border);border-radius:12px;flex-direction:column;width:340px;height:460px;display:flex;position:fixed;bottom:5.5rem;right:1.5rem;overflow:hidden;box-shadow:0 8px 30px #00000080}.chat-header{border-bottom:1px solid var(--border);padding:.75rem 1rem;font-size:.9rem;font-weight:600}.chat-messages{flex-direction:column;flex:1;gap:.5rem;padding:.75rem;display:flex;overflow-y:auto}.chat-message{white-space:pre-wrap;border-radius:8px;max-width:85%;padding:.5rem .7rem;font-size:.85rem;line-height:1.4}.chat-message.user{background:var(--accent);color:#fff;align-self:flex-end}.chat-message.assistant{background:var(--bg);border:1px solid var(--border);align-self:flex-start}.chat-input-row{border-top:1px solid var(--border);display:flex}.chat-input-row input{color:var(--text);background:0 0;border:none;flex:1;padding:.7rem;font-size:.85rem}.chat-input-row input:focus{outline:none}.chat-input-row button{color:var(--accent);cursor:pointer;background:0 0;border:none;padding:0 1rem;font-weight:600}