:root{--bg: #0f1115;--surface: #171a21;--border: #262b36;--text: #e6e8eb;--muted: #8b93a1;--accent: #6ea8fe;--warn: #f2994a;--ok: #4caf7d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.app{max-width:960px;margin:0 auto;padding:0 1.5rem 3rem}.app-header{display:flex;align-items:center;gap:2rem;padding:1.25rem 0;border-bottom:1px solid var(--border)}.brand{font-weight:700;font-size:1.25rem}.app-header nav{display:flex;gap:1.25rem}.app-header nav a{color:var(--muted);text-decoration:none;font-size:.95rem}.app-header nav a.active{color:var(--text);font-weight:600}.app-main{padding-top:1.5rem}.muted{color:var(--muted)}.small{font-size:.8rem}.error{color:var(--warn)}.loading-state{display:flex;align-items:center;gap:.6rem}.spinner{width:1rem;height:1rem;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}.upload-panel{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1.25rem;margin-bottom:2rem;display:flex;flex-direction:column;gap:.75rem;max-width:420px}.upload-panel label{display:flex;flex-direction:column;gap:.35rem;font-size:.85rem;color:var(--muted)}.upload-panel input,.chat-controls select,.chat-input input{background:var(--bg);border:1px solid var(--border);border-radius:6px;color:var(--text);padding:.5rem .6rem;font-size:.9rem}.mode-toggle{display:flex;gap:.5rem}.mode-toggle button,.upload-panel>button[type=submit]{background:var(--bg);border:1px solid var(--border);color:var(--text);border-radius:6px;padding:.45rem .8rem;cursor:pointer;font-size:.85rem}.mode-toggle button.active{border-color:var(--accent);color:var(--accent)}.upload-panel>button[type=submit]{background:var(--accent);border-color:var(--accent);color:#0f1115;font-weight:600}.policy-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}.policy-card{background:var(--surface);border:1px solid var(--border);border-radius:10px;padding:1rem;display:flex;flex-direction:column;gap:.6rem}.policy-card header{display:flex;justify-content:space-between;align-items:baseline}.policy-card h3{margin:0}.policy-card h4{margin:0 0 .25rem;font-size:.8rem;color:var(--muted);text-transform:uppercase;letter-spacing:.02em}.policy-card ul{margin:0;padding-left:1.1rem;font-size:.85rem}.summary{font-size:.9rem}.badges{display:flex;flex-wrap:wrap;gap:.4rem}.badge{font-size:.75rem;border-radius:999px;padding:.2rem .55rem;border:1px solid var(--border)}.badge-ok{color:var(--ok);border-color:var(--ok)}.badge-warn{color:var(--warn);border-color:var(--warn)}.badge-unknown{color:var(--muted)}.chat-page{display:flex;flex-direction:column;gap:1rem;height:calc(100vh - 160px)}.chat-controls select{min-width:220px}.chat-log{flex:1;overflow-y:auto;display:flex;flex-direction:column;gap:.75rem;padding-right:.25rem}.chat-message{max-width:75%;padding:.6rem .8rem;border-radius:10px;border:1px solid var(--border)}.chat-message p{margin:0;white-space:pre-wrap}.chat-message-user{align-self:flex-end;background:var(--accent);color:#0f1115;border:none}.chat-message-assistant{align-self:flex-start;background:var(--surface)}.sources{margin-top:.5rem;font-size:.8rem;color:var(--muted)}.sources blockquote{margin:.4rem 0;padding-left:.6rem;border-left:2px solid var(--border)}.chat-input{display:flex;gap:.5rem}.chat-input input{flex:1}.chat-input button{background:var(--accent);border:none;color:#0f1115;font-weight:600;border-radius:6px;padding:0 1.1rem;cursor:pointer}