@import url("https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700&display=swap");:root{--bg:#0c0c0c;--sidenav-bg:#161616;--card-bg:#292929;--card-bg-soft:#1a1a1a;--border:#434343;--muted:#7a7a7a;--muted-2:#a3a3a3;--fg:#f0f0f0;--accent:#f0f0f0;--accent-ink:#101010;--accent-light:#fff;--error:#ff8a75}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font-family:Manrope,Segoe UI,Arial,sans-serif;font-size:15px}a{color:var(--muted-2)}h1{font-size:1.3rem}h1,h2{font-weight:600}h2{font-size:1rem}.container{max-width:960px;margin:0 auto;padding:1.75rem 1.25rem}.card{background:var(--card-bg-soft);border:1px solid var(--border);border-radius:12px;padding:1.1rem}.grid-4{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));grid-gap:.85rem;gap:.85rem}.btn{background:var(--accent);color:var(--accent-ink);border:none;border-radius:999px;padding:.55rem 1.1rem;font-size:.85rem;font-weight:600;cursor:pointer;transition:background-color .15s ease}.btn:hover:not(:disabled){background:var(--accent-light)}.btn:disabled{opacity:.45;cursor:not-allowed}input[type=password],input[type=text],select,textarea{width:100%;padding:.6rem .8rem;border:1px solid var(--border);border-radius:10px;font-size:.9rem;font-family:inherit;background:var(--card-bg-soft);color:var(--fg)}input[type=text]::placeholder,textarea::placeholder{color:var(--muted)}input[type=password]:focus,input[type=text]:focus,select:focus,textarea:focus{outline:1px solid var(--muted-2);outline-offset:1px}.muted{color:var(--muted-2);font-size:.78rem}.em-breve-badge{display:inline-block;background:var(--card-bg);color:var(--muted-2);font-size:.66rem;letter-spacing:.05em;text-transform:uppercase;padding:.18rem .5rem;border-radius:999px;margin-bottom:.75rem;border:1px solid var(--border)}.menu-item{display:block;width:100%;text-align:left;background:none;border:none;padding:.5rem;font-size:.83rem;font-family:inherit;color:var(--fg);cursor:pointer;border-radius:7px}.menu-item:hover:not(:disabled){background:var(--card-bg)}.menu-item:disabled{color:var(--muted);cursor:not-allowed}.chip{display:inline-block;background:var(--card-bg-soft);border:1px solid var(--border);padding:.22rem .65rem;border-radius:999px}.chip,.chip-retry{color:var(--muted-2);font-size:.72rem}.chip-retry{background:none;border:none;padding:0;text-decoration:underline;cursor:pointer;font-family:inherit}.app-shell{display:flex;min-height:100vh;align-items:stretch}.app-main{flex:1 1;min-width:0}.sidenav{width:260px;flex:none;display:flex;flex-direction:column;background:var(--sidenav-bg);border-right:1px solid var(--border);padding:1.7rem 1.35rem;gap:1.9rem}.sidenav-brand{font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fg);font-size:.95rem}.sidenav-section{display:flex;flex-direction:column;gap:.55rem}.sidenav-heading{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:#9c9c9c;margin-bottom:.2rem}.sidenav a{text-decoration:none;color:#d2d2d2;font-size:.96rem;font-weight:500;padding:.5rem .65rem;border-radius:7px}.sidenav a.active,.sidenav a:hover{background:var(--card-bg-soft);color:var(--fg)}.sidenav-collapse{padding:0}.sidenav-collapse,.sidenav-history-item{background:none;border:none;cursor:pointer;font-family:inherit;display:block}.sidenav-history-item{width:100%;text-align:left;padding:.4rem .65rem;font-size:.84rem;color:var(--muted-2);border-radius:7px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sidenav-history-item:hover{background:var(--card-bg-soft);color:var(--fg)}.sidenav-bottom{margin-top:auto;display:flex;flex-direction:column;gap:.6rem}@media (max-width:720px){.app-shell{flex-direction:column}.sidenav{width:100%;border-right:none;border-bottom:1px solid var(--border);align-items:center}.sidenav,.sidenav-section{flex-direction:row;flex-wrap:wrap}.sidenav-bottom{margin-top:0;margin-left:auto;flex-direction:row;align-items:center}}.busca-hero{text-align:center;padding:2.25rem 0 1.25rem}.busca-hero h1{font-size:1.3rem;font-weight:600;margin:0 0 1.35rem;color:var(--fg)}.busca-box{background:var(--card-bg-soft);border:1px solid var(--border);border-radius:999px;padding:.35rem .4rem .35rem 1.1rem;display:flex;align-items:center;gap:.5rem;max-width:620px;margin:0 auto}.busca-box input[type=text]{border:none;background:none;padding:.45rem 0;border-radius:0;font-size:.9rem}.busca-box input[type=text]:focus{outline:none}.busca-suggestions{display:flex;flex-wrap:wrap;justify-content:center;gap:.5rem;margin-top:.9rem}.busca-suggestion{background:var(--card-bg-soft);border:1px solid var(--border);color:var(--muted-2);font-size:.76rem;padding:.42rem .85rem;border-radius:999px;cursor:pointer;font-family:inherit}.busca-suggestion:hover{color:var(--fg);border-color:var(--muted-2)}.answer-md{line-height:1.9;font-size:1.02rem}.answer-md h1,.answer-md h2,.answer-md h3{font-weight:700;margin:1.3em 0 .55em;color:var(--fg)}.answer-md h1:first-child,.answer-md h2:first-child,.answer-md h3:first-child{margin-top:0}.answer-md h1{font-size:1.3rem}.answer-md h2{font-size:1.18rem}.answer-md h3{font-size:1.08rem}.answer-md p{margin:0 0 1.15em}.answer-md p:last-child{margin-bottom:0}.answer-md strong{color:var(--fg);font-weight:700}.answer-md ol,.answer-md ul{margin:0 0 .9em;padding-left:1.3em}.answer-md li{margin-bottom:.35em}.answer-md blockquote{margin:0 0 .9em;padding:.15rem 0 .15rem .9rem;border-left:2px solid var(--border);color:var(--muted-2);font-style:italic}.citation-list{margin-top:1.1rem;padding-top:.9rem;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:.4rem}.citation-item{display:flex;flex-wrap:wrap;gap:.4rem .5rem;font-size:.78rem}.citation-index{color:var(--muted);flex:none}.citation-item a{color:var(--muted-2);text-decoration:none;flex:1 1 auto;min-width:0;word-break:break-word}.citation-item a:hover{color:var(--fg);text-decoration:underline}.citation-save{background:none;border:none;padding:0;margin-left:auto;color:var(--muted);font-size:.72rem;text-decoration:underline;cursor:pointer;font-family:inherit;flex:none}.citation-save:hover:not(:disabled){color:var(--fg)}.citation-save:disabled{cursor:default;text-decoration:none}.loading-pulse{animation:loading-pulse 1.6s ease-in-out infinite}@keyframes loading-pulse{0%,to{opacity:.55}50%{opacity:1}}.followup-box{background:var(--card-bg-soft);border:1px solid var(--border);border-radius:999px;padding:.35rem .4rem .35rem 1.1rem;display:flex;align-items:center;gap:.5rem;margin-top:1.25rem}.followup-box input[type=text]{border:none;background:none;padding:.45rem 0;border-radius:0;font-size:.9rem}.followup-box input[type=text]:focus{outline:none}.conversation-turn+.conversation-turn{margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--border)}.conversation-question{font-size:.78rem;color:var(--muted-2);text-transform:uppercase;letter-spacing:.04em;margin-bottom:.6rem}.conversation-area{margin-top:2rem}.open-study-btn{display:inline-block;margin-top:1.2rem;background:none;border:1px solid var(--border);color:var(--fg);border-radius:999px;padding:.5rem 1.15rem;font-size:.82rem;font-weight:600;cursor:pointer;font-family:inherit}.open-study-btn:hover{border-color:var(--muted-2)}.study-panel-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40}.study-panel{position:fixed;top:0;right:0;bottom:0;width:min(440px,100vw);background:var(--sidenav-bg);border-left:1px solid var(--border);padding:1.75rem 1.6rem 2rem;overflow-y:auto;z-index:50}.study-panel-header{display:flex;align-items:center;justify-content:space-between;font-weight:700;font-size:.95rem;color:var(--fg);margin-bottom:1.7rem}.study-panel-close{background:none;border:none;color:var(--muted-2);font-size:1.5rem;line-height:1;cursor:pointer;padding:.1rem .3rem}.study-panel-close:hover{color:var(--fg)}.study-panel-section{margin-bottom:1.8rem}.study-panel-section-title{font-size:.7rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-bottom:.75rem}.study-panel-actions{align-items:flex-start;gap:.7rem}.note-box,.study-panel-actions{display:flex;flex-direction:column}.note-box{gap:.55rem;margin-top:.8rem}.note-box textarea{min-height:4.5rem;resize:vertical}.note-box .btn{align-self:flex-start}