:root{--azul: #2e86c1;--verde: #27ae60;--bg: #0f1720;--bg-2: #16212e;--bg-3: #1e2c3d;--border: #2a3b50;--text: #e8eef4;--text-dim: #9db0c3;--danger: #e74c3c;--warn: #f39c12}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:DM Sans,system-ui,sans-serif;min-height:100vh}h1,h2,h3,h4,.brand{font-family:Rajdhani,sans-serif;letter-spacing:.02em}a{color:var(--azul);text-decoration:none}button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit;background:var(--bg-3);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:15px;width:100%}input:focus,textarea:focus,select:focus{outline:2px solid var(--azul);border-color:transparent}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:none;border-radius:8px;font-weight:600;font-size:15px;color:#fff;background:var(--azul);transition:filter .15s}.btn:hover{filter:brightness(1.12)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-green{background:var(--verde)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim)}.btn-danger{background:var(--danger)}.btn-sm{padding:6px 12px;font-size:13px}.error-box{background:#3b1d1d;border:1px solid var(--danger);color:#f5b7b1;padding:10px 14px;border-radius:8px;font-size:14px}.ok-box{background:#143d26;border:1px solid var(--verde);color:#abebc6;padding:10px 14px;border-radius:8px;font-size:14px}.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:24px}.logo-mark{font-family:Rajdhani,sans-serif;font-weight:700;font-size:42px;line-height:1;color:var(--azul)}.logo-mark span{color:var(--verde)}.logo-sub{color:var(--text-dim);font-size:14px;margin-top:4px}.auth-card{width:100%;max-width:420px;background:var(--bg-2);border:1px solid var(--border);border-radius:14px;padding:28px;margin-top:24px;display:flex;flex-direction:column;gap:14px}.auth-card h2{color:var(--text);font-size:24px}.capabilities{max-width:420px;margin-top:18px;color:var(--text-dim);font-size:14px;line-height:1.6;text-align:center}.field label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:5px}.chat-layout{display:flex;height:100vh;height:100dvh;overflow:hidden}.sidebar{width:280px;min-width:280px;background:var(--bg-2);border-right:1px solid var(--border);display:flex;flex-direction:column;transition:margin-left .2s}.sidebar.closed{margin-left:-280px}.sidebar-head{padding:14px;border-bottom:1px solid var(--border);display:flex;flex-direction:column;gap:10px}.conv-list{flex:1;overflow-y:auto;padding:8px}.conv-item{width:100%;text-align:left;background:transparent;border:none;color:var(--text-dim);padding:10px 12px;border-radius:8px;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.conv-item:hover{background:var(--bg-3)}.conv-item.active{background:var(--bg-3);color:var(--text);border-left:3px solid var(--azul)}.sidebar-foot{padding:12px;border-top:1px solid var(--border);font-size:13px;color:var(--text-dim);display:flex;flex-direction:column;gap:8px}.chat-main{flex:1;display:flex;flex-direction:column;min-width:0}.chat-topbar{display:flex;align-items:center;gap:12px;padding:10px 16px;background:var(--bg-2);border-bottom:1px solid var(--border)}.trial-banner{background:linear-gradient(90deg,var(--azul),var(--verde));color:#fff;text-align:center;font-size:13px;font-weight:600;padding:6px}.msgs{flex:1;overflow-y:auto;padding:18px 16px;display:flex;flex-direction:column;gap:14px}.msg{max-width:78%;padding:12px 14px;border-radius:14px;font-size:15px;line-height:1.55;white-space:pre-wrap;word-wrap:break-word}.msg.user{align-self:flex-end;background:var(--verde);color:#fff;border-bottom-right-radius:4px}.msg.paco{align-self:flex-start;background:var(--azul);color:#fff;border-bottom-left-radius:4px}.msg-row{display:flex;gap:10px;align-items:flex-end}.avatar{width:34px;height:34px;min-width:34px;border-radius:50%;background:var(--bg-3);border:2px solid var(--azul);display:flex;align-items:center;justify-content:center;font-family:Rajdhani,sans-serif;font-weight:700;font-size:12px;color:var(--azul)}.sources-chip{align-self:flex-start;margin-left:44px;margin-top:-6px;font-size:12px;color:var(--text-dim);background:var(--bg-2);border:1px solid var(--border);border-radius:999px;padding:3px 10px}.typing{color:var(--text-dim);font-size:14px;margin-left:44px;font-style:italic}.chat-input{display:flex;gap:10px;padding:12px 16px;background:var(--bg-2);border-top:1px solid var(--border)}.chat-input textarea{resize:none;height:48px}.blocked-overlay{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;text-align:center;padding:24px}.admin-layout{display:flex;min-height:100vh}.admin-nav{width:230px;min-width:230px;background:var(--bg-2);border-right:1px solid var(--border);padding:18px 12px;display:flex;flex-direction:column;gap:4px}.admin-nav a{padding:10px 12px;border-radius:8px;color:var(--text-dim);font-size:14px;display:flex;justify-content:space-between;align-items:center}.admin-nav a.active,.admin-nav a:hover{background:var(--bg-3);color:var(--text)}.badge{background:var(--danger);color:#fff;border-radius:999px;font-size:11px;padding:2px 8px;font-weight:700}.admin-content{flex:1;padding:24px;min-width:0;overflow-x:auto}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}.card{background:var(--bg-2);border:1px solid var(--border);border-radius:12px;padding:16px}.card .num{font-family:Rajdhani,sans-serif;font-size:32px;font-weight:700;color:var(--azul)}.card .num.green{color:var(--verde)}.card .lbl{font-size:13px;color:var(--text-dim);margin-top:2px}table.tbl{width:100%;border-collapse:collapse;background:var(--bg-2);border-radius:12px;overflow:hidden;font-size:14px}.tbl th{text-align:left;padding:10px 12px;background:var(--bg-3);color:var(--text-dim);font-weight:600}.tbl td{padding:10px 12px;border-top:1px solid var(--border)}.tag{display:inline-block;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}.tag.trial{background:#1f3a52;color:#7fb3d8}.tag.active{background:#143d26;color:#7fdca4}.tag.expired{background:#3d2c14;color:#f0c27f}.tag.blocked{background:#3b1d1d;color:#f5a7a1}.chart{display:flex;align-items:flex-end;gap:6px;height:140px;padding:12px;background:var(--bg-2);border:1px solid var(--border);border-radius:12px}.chart .bar-wrap{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;height:100%;justify-content:flex-end}.chart .bar{width:100%;background:var(--azul);border-radius:4px 4px 0 0;min-height:2px}.chart .bar-lbl{font-size:10px;color:var(--text-dim)}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:32px;text-align:center;color:var(--text-dim);background:var(--bg-2);transition:border-color .15s}.dropzone.over{border-color:var(--verde);color:var(--verde)}.warn-icon{color:var(--warn)}.page-title{font-size:26px;margin-bottom:18px}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.mt{margin-top:18px}.dim{color:var(--text-dim);font-size:13px}@media (max-width: 720px){.sidebar{position:fixed;z-index:20;height:100%}.msg{max-width:88%}.admin-layout{flex-direction:column}.admin-nav{width:100%;flex-direction:row;flex-wrap:wrap;border-right:none;border-bottom:1px solid var(--border)}.cards{grid-template-columns:repeat(2,1fr)}}