/* App del móvil de Nexus: sin fuentes ni scripts externos. */
:root {
  --bg: #05060d; --panel: #10122a; --panel2: #161936; --line: rgba(146, 120, 255, .2); --line-strong: rgba(146, 120, 255, .45);
  --text: #e4e6ff; --muted: #9097c0; --violet: #8b5cf6; --violet-light: #b9a2ff; --blue: #1e90ff; --ok: #22e39a;
  --warn: #ffb020; --bad: #ff4d5e; --radius: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; color: var(--text); background: var(--bg);
  font: 16px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, sans-serif;
  display: flex; flex-direction: column; min-height: 100dvh;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) 0 env(safe-area-inset-left);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 14px; }
h1 { font-size: 24px; margin: 8px 0 10px; }
h2 { font-size: 17px; margin: 18px 0 8px; }
a { color: var(--violet-light); }

.top { display: flex; align-items: center; gap: 10px; padding: 10px 16px; border-bottom: 1px solid var(--line);
  background: rgba(5, 6, 13, .92); position: sticky; top: 0; z-index: 5; }
.top-text { display: flex; flex-direction: column; line-height: 1.2; flex: 1; min-width: 0; }
.top-text span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dot { width: 11px; height: 11px; border-radius: 50%; background: #555a7a; flex: none; }
.dot.on { background: var(--ok); box-shadow: 0 0 10px rgba(34, 227, 154, .6); }
.dot.off { background: var(--bad); }

main { flex: 1; display: flex; flex-direction: column; min-height: 0; }
.view { padding: 16px; flex: 1; display: flex; flex-direction: column; min-height: 0; max-width: 760px; width: 100%; margin: 0 auto; }
#vMain { padding: 0; }
.tab { flex: 1; display: flex; flex-direction: column; min-height: 0; padding: 12px 16px; overflow-y: auto; }
#tabChat { padding: 0; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin: 10px 0; }
.stack { display: flex; flex-direction: column; gap: 10px; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 14px; color: var(--muted); }
input, textarea { font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 11px 12px; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--violet); outline-offset: 0; }
.code-input { font: 700 22px/1.2 ui-monospace, Consolas, monospace; letter-spacing: 3px; text-transform: uppercase; text-align: center; }
button { font: inherit; color: var(--text); background: var(--panel2); border: 1px solid var(--line-strong);
  border-radius: 10px; padding: 11px 14px; cursor: pointer; margin: 6px 0; }
button:disabled { opacity: .55; }
button.primary { background: linear-gradient(135deg, var(--violet), var(--blue)); border-color: transparent; font-weight: 600; }
button.danger { border-color: rgba(255, 77, 94, .6); }
button.link { background: none; border: none; color: var(--violet-light); padding: 6px 0; align-self: flex-start; }
button.mini { padding: 7px 11px; margin: 0; font-size: 14px; }
.msg { min-height: 1.2em; margin: 0; }
.msg.bad, .bad { color: var(--bad); }
.steps { padding-left: 20px; }
.row { display: flex; justify-content: space-between; gap: 10px; }
.row span:last-child { text-align: right; overflow-wrap: anywhere; }

.banner { margin: 10px 16px 0; padding: 10px 12px; border-radius: 10px; font-size: 14px; }
.banner.warn { background: rgba(255, 176, 32, .12); border: 1px solid rgba(255, 176, 32, .5); }

.chat { flex: 1; overflow-y: auto; padding: 12px 16px; display: flex; flex-direction: column; gap: 10px; }
.bubble { max-width: 88%; padding: 10px 13px; border-radius: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.bubble.user { align-self: flex-end; background: linear-gradient(135deg, rgba(139, 92, 246, .55), rgba(30, 144, 255, .45)); }
.bubble.nexus { align-self: flex-start; background: var(--panel); border: 1px solid var(--line); }
.bubble.system { align-self: center; background: none; color: var(--muted); font-size: 13px; text-align: center; }
.bubble.wait { color: var(--muted); font-style: italic; }
.bubble pre { background: #070818; padding: 8px; border-radius: 8px; overflow-x: auto; white-space: pre; }
.bubble code { font-family: ui-monospace, Consolas, monospace; font-size: 14px; }
.composer { display: flex; gap: 8px; padding: 10px 16px; border-top: 1px solid var(--line); align-items: flex-end; }
.composer textarea { resize: none; max-height: 140px; }
.composer button { margin: 0; width: 48px; height: 46px; padding: 0; flex: none; }

#approvals { padding: 0 16px; }
.approval { border-color: rgba(255, 176, 32, .6); }
.approval h3 { margin: 0 0 6px; font-size: 15px; }
.approval .btns { display: flex; gap: 8px; margin-top: 8px; }
.approval .btns button { flex: 1; margin: 0; }
.badge { display: inline-block; font-size: 12px; padding: 1px 7px; border-radius: 999px; border: 1px solid var(--line-strong); color: var(--muted); }

.list { display: flex; flex-direction: column; gap: 8px; }
.item { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px;
  display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.item .t { overflow-wrap: anywhere; }

.tabs { display: flex; border-top: 1px solid var(--line); background: rgba(5, 6, 13, .96);
  padding-bottom: env(safe-area-inset-bottom); }
.tabs button { flex: 1; margin: 0; border: none; border-radius: 0; background: none; color: var(--muted); padding: 12px 4px; font-size: 14px; }
.tabs button.active { color: var(--text); box-shadow: inset 0 2px 0 var(--violet); }

#toasts { position: fixed; left: 50%; transform: translateX(-50%); top: calc(62px + env(safe-area-inset-top));
  display: flex; flex-direction: column; gap: 8px; z-index: 20; width: min(92vw, 420px); }
.toast { background: var(--panel); border: 1px solid var(--line-strong); border-radius: 12px; padding: 10px 14px; font-size: 14px; }
.toast.bad { border-color: rgba(255, 77, 94, .6); }

@media (min-width: 900px) {
  #vMain { max-width: 900px; border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
}