:root{--navy: #0e3a5f;--navy-2: #14273a;--gold: #f4b740;--gold-dark: #d99a1f;--sky: #7fb2d6;--ink: #1b2733;--muted: #5b6b7b;--line: #e4e9ef;--bg: #f5f7fa;--card: #ffffff;--ok: #1f9d55;--warn: #d98300;--err: #d23b3b;--radius: 14px;--shadow: 0 10px 30px rgba(14, 58, 95, .08);font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--bg);color:var(--ink)}a{color:var(--navy)}button{font-family:inherit;cursor:pointer}.lang-toggle{display:inline-flex;border-radius:8px;overflow:hidden;border:1px solid var(--line)}.lang-toggle button{background:#fff;border:none;padding:6px 11px;font-size:12.5px;font-weight:700;color:var(--muted);cursor:pointer}.lang-toggle button.on{background:var(--gold);color:var(--navy-2)}.lang-toggle.dark{border-color:#ffffff40}.lang-toggle.dark button{background:transparent;color:#cddbe8}.lang-toggle.dark button.on{background:var(--gold);color:var(--navy-2)}.btn{border:none;border-radius:10px;padding:11px 20px;font-weight:600;font-size:14px;transition:transform .05s ease,box-shadow .2s ease,background .2s ease}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--gold);color:var(--navy-2)}.btn-primary:hover{background:var(--gold-dark)}.btn-dark{background:var(--navy);color:#fff}.btn-dark:hover{background:#0b2c49}.btn-ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}.btn-ghost:hover{background:#eef3f8}.btn:disabled{opacity:.55;cursor:not-allowed}.landing{min-height:100%}.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 48px;position:sticky;top:0;z-index:10;background:#0e3a5ff7;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.brand{display:flex;align-items:center;gap:12px;color:#fff}.brand .logo{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--gold),var(--sky));display:grid;place-items:center;font-weight:800;color:var(--navy-2)}.brand .name{font-weight:700;font-size:19px;letter-spacing:.3px}.brand .name span{color:var(--gold)}.nav-links{display:flex;gap:10px;align-items:center}.nav-links a{color:#dce7f0;text-decoration:none;font-size:14px;padding:8px 12px}.nav-links a:hover{color:#fff}.hero{background:radial-gradient(1200px 500px at 80% -10%,rgba(127,178,214,.35),transparent),linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:88px 48px 110px}.hero-inner{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.hero h1{font-size:46px;line-height:1.1;margin:0 0 18px}.hero h1 .accent{color:var(--gold)}.hero p.lead{font-size:18px;color:#cddbe8;line-height:1.6;margin:0 0 28px;max-width:540px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap}.pill{display:inline-block;background:#f4b74029;color:var(--gold);border:1px solid rgba(244,183,64,.4);padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:22px}.hero-card{background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:18px;padding:24px;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hero-card h4{margin:0 0 14px;color:#fff;font-size:14px;text-transform:uppercase;letter-spacing:1px}.hero-card ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}.hero-card li{display:flex;gap:10px;align-items:flex-start;color:#d7e4ef;font-size:14px}.hero-card li:before{content:"▸";color:var(--gold)}.section{max-width:1100px;margin:0 auto;padding:70px 48px}.section h2{font-size:30px;margin:0 0 8px;color:var(--navy);text-align:center}.section .sub{text-align:center;color:var(--muted);margin:0 auto 44px;max-width:620px}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.feature-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow)}.feature-card .ico{width:44px;height:44px;border-radius:11px;background:#eef4fa;display:grid;place-items:center;font-size:22px;margin-bottom:14px}.feature-card h3{margin:0 0 8px;font-size:17px;color:var(--navy)}.feature-card p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.footer{background:var(--navy-2);color:#b9c8d6;padding:30px 48px;text-align:center;font-size:13px}.login-wrap{min-height:100vh;display:grid;grid-template-columns:1fr 1fr}.login-aside{background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 100%);color:#fff;padding:60px;display:flex;flex-direction:column;justify-content:center}.login-aside h2{font-size:34px;margin:18px 0 14px}.login-aside p{color:#c7d6e4;line-height:1.6;max-width:420px}.login-panel{display:grid;place-items:center;padding:40px}.login-box{width:100%;max-width:380px}.login-box h3{margin:0 0 6px;font-size:24px;color:var(--navy)}.login-box .muted{color:var(--muted);margin:0 0 26px;font-size:14px}.field{margin-bottom:16px}.field label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}.input,.textarea,.select{width:100%;border:1px solid var(--line);border-radius:10px;padding:11px 13px;font-size:14px;font-family:inherit;color:var(--ink);background:#fff;outline:none}.input:focus,.textarea:focus,.select:focus{border-color:var(--sky);box-shadow:0 0 0 3px #7fb2d640}.textarea{resize:vertical;min-height:120px;line-height:1.5}.hint{font-size:12.5px;color:var(--muted);margin-top:6px}.demo-note{background:#eef4fa;border:1px dashed var(--sky);border-radius:10px;padding:12px 14px;font-size:13px;color:var(--navy);margin-top:18px}.app{display:grid;grid-template-columns:256px 1fr;min-height:100vh}.sidebar{background:var(--navy-2);color:#cdd9e4;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto}.sidebar .brand{margin-bottom:26px;padding:0 6px}.side-group{font-size:11px;text-transform:uppercase;letter-spacing:1px;color:#6f8499;margin:18px 8px 8px}.side-link{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:9px;color:#cdd9e4;text-decoration:none;font-size:14px;margin-bottom:2px}.side-link:hover{background:#ffffff0f;color:#fff}.side-link.active{background:var(--gold);color:var(--navy-2);font-weight:600}.side-link .e{width:20px;text-align:center}.main{padding:0;background:var(--bg)}.topbar{display:flex;align-items:center;justify-content:space-between;padding:16px 32px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}.topbar .who{color:var(--muted);font-size:14px}.content{padding:30px 32px 60px;max-width:1080px}.page-head{margin-bottom:22px}.page-head h1{margin:0 0 6px;font-size:26px;color:var(--navy)}.page-head p{margin:0;color:var(--muted);font-size:15px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:var(--shadow);margin-bottom:22px}.card h3{margin:0 0 14px;font-size:17px;color:var(--navy)}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.spacer{flex:1}.tiles{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);text-decoration:none;color:inherit;display:block;transition:transform .12s ease,box-shadow .2s ease}.tile:hover{transform:translateY(-3px);box-shadow:0 14px 34px #0e3a5f24}.tile .ico{width:42px;height:42px;border-radius:11px;background:#eef4fa;display:grid;place-items:center;font-size:21px;margin-bottom:12px}.tile h3{margin:0 0 6px;font-size:16px;color:var(--navy)}.tile p{margin:0;color:var(--muted);font-size:13.5px;line-height:1.5}.tag{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:6px;background:#eef4fa;color:var(--navy);margin-bottom:10px;text-transform:uppercase;letter-spacing:.5px}.result{background:#f8fafc;border:1px solid var(--line);border-radius:10px;padding:16px;margin-top:16px}.result.empty{color:var(--muted);font-size:14px}.kv{display:grid;grid-template-columns:220px 1fr;gap:0;border:1px solid var(--line);border-radius:10px;overflow:hidden}.kv>div{padding:9px 13px;border-bottom:1px solid var(--line);font-size:13.5px}.kv>div:nth-child(4n+1),.kv>div:nth-child(4n+2){background:#f4f7fa}.kv .k{font-weight:600;color:var(--navy)}.kv .v{color:var(--ink)}.varcode{display:inline-block;margin-left:8px;font-family:ui-monospace,monospace;font-size:10.5px;font-weight:600;color:var(--muted);background:#e9eef4;padding:1px 6px;border-radius:5px;vertical-align:middle}.badge{display:inline-block;padding:4px 12px;border-radius:999px;font-weight:700;font-size:13px}.badge-code{background:var(--navy);color:#fff;font-family:ui-monospace,monospace}.badge-ok{background:#e4f6ec;color:var(--ok)}.badge-warn{background:#fdf0dd;color:var(--warn)}.badge-err{background:#fbe4e4;color:var(--err)}.conf{font-size:12px;color:var(--muted)}.finding{display:flex;gap:10px;padding:11px 0;border-bottom:1px solid var(--line)}.finding:last-child{border-bottom:none}.dot{width:9px;height:9px;border-radius:50%;margin-top:6px;flex-shrink:0}.dot.error{background:var(--err)}.dot.advertencia{background:var(--warn)}.dot.info{background:var(--sky)}.alert{padding:12px 14px;border-radius:10px;font-size:14px;margin-top:14px}.alert-err{background:#fbe4e4;color:#9c2a2a;border:1px solid #f1c0c0}.alert-info{background:#eef4fa;color:var(--navy);border:1px solid var(--sky)}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.5);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:-3px;margin-right:8px}.spinner.dark{border:2px solid rgba(14,58,95,.3);border-top-color:var(--navy)}@keyframes spin{to{transform:rotate(360deg)}}.example-chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.chip{background:#eef4fa;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font-size:12.5px;color:var(--navy);cursor:pointer}.chip:hover{background:#e0ecf6}pre.draft{white-space:pre-wrap;line-height:1.6;font-family:inherit;font-size:14.5px;color:var(--ink);margin:0}.cite{font-size:13px;color:var(--muted);border-left:3px solid var(--gold);padding-left:12px;margin-top:12px;font-style:italic}.ref-table{width:100%;border-collapse:collapse;font-size:13px}.ref-table th,.ref-table td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}.ref-table th{color:var(--navy);background:#f4f7fa}.kb-layout{display:grid;grid-template-columns:320px 1fr;gap:18px;align-items:start}.kb-side .side-label,.side-label{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);margin:16px 2px 8px}.kb-source{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:8px}.kb-source:hover{border-color:var(--sky)}.kb-source.active{border-color:var(--gold);box-shadow:0 0 0 2px #c5a04833}.kb-source-name{font-weight:600;color:var(--navy);font-size:14px}.kb-source-meta{color:var(--muted);font-size:12px;white-space:nowrap}.card.empty{color:var(--muted);text-align:center;padding:40px}.uploader{display:flex;align-items:center;gap:12px;margin-top:14px;flex-wrap:wrap}.doc-card{padding:14px}.doc-title{font-weight:600;color:var(--navy)}.doc-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:12.5px;margin-top:8px;flex-wrap:wrap}.doc-summary{margin:8px 0 0;color:var(--ink);line-height:1.55;font-size:14px}.pill-sm{background:#eef2f7;color:var(--navy);border-radius:6px;padding:1px 8px;font-size:11.5px;font-weight:600}.linkbtn{background:none;border:none;color:var(--sky);cursor:pointer;font-size:13px;padding:0}.linkbtn.danger,.btn.danger{color:#b3261e}.toolbox{display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 10px}.tool-btn{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:7px 14px;font-size:13px;font-weight:600;color:var(--navy);cursor:pointer}.tool-btn .e{font-size:15px}.tool-btn:hover{border-color:var(--sky)}.tool-btn.active{background:var(--navy);color:#fff;border-color:var(--navy)}.chat{display:flex;flex-direction:column;min-height:420px}.chat-thread{flex:1;display:flex;flex-direction:column;gap:10px;padding:6px;max-height:52vh;overflow-y:auto}.chat-msg{display:flex}.chat-msg.user{justify-content:flex-end}.chat-msg .bubble{max-width:78%;padding:10px 14px;border-radius:14px;line-height:1.5;font-size:14px;white-space:pre-wrap}.chat-msg.user .bubble{background:var(--navy);color:#fff;border-bottom-right-radius:4px}.chat-msg.assistant .bubble{background:#eef2f7;color:var(--ink);border-bottom-left-radius:4px}.cites{margin-top:8px;font-size:12px;color:var(--muted);border-top:1px solid rgba(0,0,0,.08);padding-top:6px}.chat-input{display:flex;gap:8px;margin-top:12px}.chat-input .input{flex:1}.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:14px}.flashcard{perspective:1000px;height:170px;cursor:pointer}.fc-inner{position:relative;width:100%;height:100%;transition:transform .5s;transform-style:preserve-3d}.flashcard.flipped .fc-inner{transform:rotateY(180deg)}.fc-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:12px;border:1px solid var(--line);padding:16px;display:flex;flex-direction:column;gap:8px;justify-content:center}.fc-front{background:#fff}.fc-back{background:var(--navy);color:#fff;transform:rotateY(180deg)}.fc-face p{margin:0;font-size:14px;line-height:1.45}.fc-hint{position:absolute;bottom:8px;right:12px;font-size:11px;color:var(--muted)}.hl-list{display:flex;flex-direction:column;gap:12px}.hl-item{border-left:3px solid var(--gold);background:#fffdf6;padding:10px 14px;border-radius:0 8px 8px 0}.hl-quote{font-style:italic;color:var(--navy)}.hl-why{color:var(--muted);font-size:13px;margin-top:4px}.entity-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px}.entity-col h4{margin:0 0 8px;color:var(--navy);font-size:13px}.chips2{display:flex;flex-wrap:wrap;gap:6px}.chip2{background:#eef2f7;border-radius:6px;padding:3px 9px;font-size:12.5px;color:var(--ink)}.timeline{border-left:2px solid var(--line);margin-left:8px}.tl-item{position:relative;padding:0 0 18px 20px}.tl-item:before{content:"";position:absolute;left:-7px;top:3px;width:12px;height:12px;border-radius:50%;background:var(--gold);border:2px solid #fff}.tl-date{font-weight:700;color:var(--navy);font-size:13px}.tl-event{color:var(--ink);font-size:14px;margin-top:2px}.case-card{border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:10px}.quiz-item{border-bottom:1px solid var(--line);padding:12px 0}.quiz-q{font-weight:600;color:var(--navy)}.quiz-opts{list-style:none;padding:0;margin:8px 0;display:flex;flex-direction:column;gap:4px}.quiz-opts li{padding:6px 10px;border-radius:6px;background:#f6f8fb;font-size:13.5px}.quiz-opts li.correct{background:#e4f6ec;color:var(--ok);font-weight:600}.bullets{line-height:1.6}.raw{background:#0f172a;color:#cbd5e1;padding:14px;border-radius:8px;overflow:auto;font-size:12px}.btn.disabled{opacity:.6;pointer-events:none}@media (max-width: 880px){.hero-inner,.login-wrap,.feature-grid,.tiles,.kv,.kb-layout,.app{grid-template-columns:1fr}.sidebar{position:static;height:auto}}