:root{
  color-scheme:dark;
  --bg:#080d18;--panel:#101827;--panel2:#141f32;--border:#26344c;
  --text:#eef4ff;--muted:#96a6bd;--accent:#87b7ff;--good:#62d69b;--bad:#ff8d8d
}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
button,input,select,textarea{font:inherit}.shell{max-width:820px;margin:0 auto;min-height:100vh;padding:env(safe-area-inset-top) 14px env(safe-area-inset-bottom)}
.topbar{display:flex;align-items:center;justify-content:space-between;padding:18px 2px 12px}.brand{font-size:23px;font-weight:850;letter-spacing:.2px}.brand span{font-weight:500;color:var(--accent)}.subtitle,.muted{color:var(--muted);font-size:13px}
.icon-btn,.text-btn{background:transparent;color:var(--text);border:0}.icon-btn{font-size:20px;padding:8px}.text-btn{color:var(--accent)}
.status-card,.workspace-card,.run-panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:13px 14px;margin-bottom:12px}
.status-card,.workspace-head,.send-row,.settings-head{display:flex;justify-content:space-between;align-items:center;gap:12px}
.chat{display:flex;flex-direction:column;gap:10px;min-height:36vh;padding:6px 0 150px}.msg{display:flex}.msg.user{justify-content:flex-end}.bubble{max-width:88%;padding:12px 14px;border-radius:16px;background:var(--panel);border:1px solid var(--border);white-space:pre-wrap;overflow-wrap:anywhere}.user .bubble{background:#17315a;border-color:#274d80}.msg.error .bubble{border-color:#7c3e46;background:#2d181d}.msg.system .bubble{color:var(--muted);font-size:13px;background:transparent;border-style:dashed}
.composer{position:sticky;bottom:0;background:linear-gradient(180deg,rgba(8,13,24,0),var(--bg) 18%);padding:24px 0 12px}.attach-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:8px}.attach-btn,.secondary,.primary{border:1px solid var(--border);border-radius:11px;padding:9px 11px;color:var(--text);background:var(--panel2);cursor:pointer}.primary{background:#2d66b3;border-color:#427cc7;font-weight:750}.secondary{background:var(--panel)}textarea{width:100%;resize:vertical;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:14px;padding:12px;outline:none}textarea:focus{border-color:#477bbd}.send-row{margin-top:8px}
.hidden{display:none!important}.file-list{display:flex;flex-wrap:wrap;gap:6px;margin-top:9px}.file-pill{font-size:12px;padding:5px 8px;border-radius:999px;background:var(--panel2);border:1px solid var(--border);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.run-title{font-weight:750;margin-bottom:8px}.run-step{padding:7px 0;border-bottom:1px solid rgba(255,255,255,.06);font-size:13px}.run-step:last-child{border-bottom:0}.ok{color:var(--good)}.fail{color:var(--bad)}.run-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:10px}
dialog{width:min(92vw,520px);background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:16px;padding:0}.settings{padding:16px;display:grid;gap:14px}.settings h2{margin:0}.settings label{display:grid;gap:6px}.settings input,.settings select{width:100%;background:var(--panel2);border:1px solid var(--border);color:var(--text);border-radius:9px;padding:9px}code{background:#0a1220;padding:2px 5px;border-radius:5px}
@media(min-width:700px){.chat{min-height:48vh}.bubble{max-width:78%}}

/* v0.1.1: en Android evita el pull-to-refresh accidental al llegar al borde. */
html,body{overscroll-behavior-y:none;overscroll-behavior-x:none}
.shell{overscroll-behavior:contain}
.history-list{display:grid;gap:9px;max-height:58vh;overflow:auto;padding-right:2px}
.history-item{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;padding:10px;border:1px solid var(--border);border-radius:12px;background:var(--panel2)}
.history-meta{display:grid;gap:4px;min-width:0}.history-meta strong{overflow-wrap:anywhere}.history-actions{display:flex;gap:6px;flex-wrap:wrap;justify-content:flex-end}.history-actions .secondary{padding:7px 9px}

/* v0.1.2: mantener la respuesta más reciente como ancla visual en móvil. */
.msg.assistant{scroll-margin-top:12px}
.run-panel,.composer{overflow-anchor:none}


/* v0.1.5: chats separados como historial, no una conversación infinita. */
.top-actions{display:flex;align-items:center;gap:2px}
.chat-title{margin-top:3px;max-width:62vw;color:var(--text);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;opacity:.82}
.chat-history-list{display:grid;gap:8px;max-height:60vh;overflow:auto}
.chat-history-item{display:flex;align-items:stretch;gap:6px;border:1px solid var(--border);border-radius:12px;background:var(--panel2);overflow:hidden}
.chat-history-item.active{border-color:#477bbd}
.chat-open{flex:1;min-width:0;display:grid;gap:5px;text-align:left;background:transparent;color:var(--text);border:0;padding:11px;cursor:pointer}
.chat-open strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-open .muted{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.chat-delete{align-self:center;margin-right:5px;font-size:15px}

/* RC21.4: endurecimiento visual de migración y respuestas legibles. */
.chat-open{min-height:58px;color:var(--text)!important;opacity:1!important}
.chat-open strong{display:block;color:var(--text)!important;font-size:14px;line-height:1.25}
.chat-open .muted{display:block;color:var(--muted)!important;font-size:12px;line-height:1.25}
.bubble p{margin:0 0 10px}.bubble p:last-child{margin-bottom:0}
.bubble h3,.bubble h4,.bubble h5{margin:10px 0 6px;line-height:1.25}
.bubble ul,.bubble ol{margin:6px 0 10px;padding-left:22px}.bubble li{margin:3px 0}
.bubble pre{max-width:100%;overflow:auto;background:#09111f;border:1px solid var(--border);border-radius:9px;padding:10px;white-space:pre}
.md-table-wrap{max-width:100%;overflow:auto;margin:8px 0 10px;border:1px solid var(--border);border-radius:9px}
.bubble table{border-collapse:collapse;width:max-content;min-width:100%;font-size:12px;background:#0b1423}
.bubble th,.bubble td{padding:7px 8px;border-bottom:1px solid var(--border);border-right:1px solid var(--border);text-align:left;vertical-align:top;white-space:normal}
.bubble th:last-child,.bubble td:last-child{border-right:0}.bubble tr:last-child td{border-bottom:0}.bubble th{background:#14233a}

/* RC21.5: lista de chats robusta incluso durante migraciones/caches antiguos. */
.chat-history-list{display:grid!important;gap:9px!important;max-height:60vh;overflow:auto;padding:1px 2px 1px 0}
.chat-history-item{display:grid!important;grid-template-columns:minmax(0,1fr) 42px!important;align-items:center!important;min-height:66px!important;overflow:hidden!important}
.chat-open{-webkit-appearance:none;appearance:none;width:100%!important;min-height:64px!important;display:flex!important;flex-direction:column!important;justify-content:center!important;align-items:flex-start!important;gap:5px!important;padding:10px 12px!important;color:var(--text)!important;background:transparent!important;border:0!important;opacity:1!important}
.chat-open strong,.chat-open .muted{width:100%!important;max-width:100%!important;visibility:visible!important;opacity:1!important;text-align:left!important}
.chat-open strong{font-size:14px!important;font-weight:750!important;color:var(--text)!important}
.chat-open .muted{font-size:12px!important;color:var(--muted)!important}
.chat-delete{width:38px!important;height:38px!important;margin:0 4px 0 0!important;display:grid!important;place-items:center!important}