:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #1d2330; --muted: #6b7280;
  --line: #e3e6eb; --accent: #2f6fed; --code: #0f172a; --code-text: #e5e7eb;
  --me: #e8f0fe; --claude: #ffffff; --gafas: #eaf7ef; --sistema: #fff6e5; --dispositivo: #f1ecfd;
  --ai: #7c4dff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12151b; --card: #1a1f27; --text: #e6e8ec; --muted: #9aa3b2;
    --line: #2a313c; --accent: #6b9bff; --code: #0b0f17; --code-text: #e5e7eb;
    --me: #1c2a45; --claude: #1a1f27; --gafas: #17302a; --sistema: #33290f; --dispositivo: #2a2140;
    --ai: #9d7bff;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
button { font: inherit; cursor: pointer; border: 0; border-radius: 8px; background: var(--accent); color: #fff; padding: 8px 14px; }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); padding: 6px 10px; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.link { background: none; color: var(--muted); padding: 4px; text-decoration: underline; font-size: 14px; }
input, textarea, select { font: inherit; color: var(--text); background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 10px; width: 100%; }

/* Login */
body.login { display: grid; place-items: center; padding: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 24px; width: 100%; max-width: 340px; display: grid; gap: 10px; }
.card h1 { margin: 0 0 8px; font-size: 22px; }
.error { color: #d14343; min-height: 1.5em; margin: 0; }

/* Panel */
body.panel { display: flex; flex-direction: column; max-width: 900px; margin: 0 auto; }
header { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding: 10px 16px; border-bottom: 1px solid var(--line); }
header select { width: auto; max-width: 45vw; padding: 6px 8px; }
.channel-name { font-weight: 600; }
body.device .owner-only { display: none; }
.banner { display: flex; gap: 8px; align-items: flex-start; margin: 8px 16px 0; padding: 10px 12px; border-radius: 8px; background: var(--sistema); border: 1px solid var(--line); font-size: 14px; }
.banner span { flex: 1; overflow-wrap: anywhere; }
.banner button { padding: 2px 8px; }
header h1 { font-size: 18px; margin: 0; }
.spacer { flex: 1; }
.conn { font-size: 12px; }
.conn.on { color: #22a35a; }
.conn.off { color: #d14343; }
#feed { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--claude); max-width: 100%; }
.msg.from-yo { background: var(--me); align-self: flex-end; max-width: 85%; }
.msg.from-gafas { background: var(--gafas); }
.msg.from-sistema { background: var(--sistema); font-size: 13px; }
.msg.from-dispositivo { background: var(--dispositivo); }
.shot { margin: 8px 0; display: grid; gap: 6px; justify-items: start; }
.shot img { max-width: 100%; max-height: 320px; border-radius: 8px; border: 1px solid var(--line); cursor: zoom-in; }
a.copy { background: var(--accent); color: #fff; border-radius: 8px; text-decoration: none; }
.zoom { position: fixed; inset: 0; background: rgba(0,0,0,.85); display: grid; place-items: center; padding: 16px; cursor: zoom-out; z-index: 10; }
.zoom[hidden] { display: none; }
.zoom img { max-width: 100%; max-height: 100%; }
.meta { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--muted); }
.meta strong { color: var(--text); }
.meta .copy { margin-left: auto; }
.msg p { margin: 6px 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.msg p:empty { display: none; }
.code { position: relative; margin: 8px 0; }
.code pre { margin: 0; background: var(--code); color: var(--code-text); padding: 12px; padding-right: 80px; border-radius: 8px; overflow-x: auto; font: 13px/1.45 ui-monospace, Consolas, monospace; }
.code .copy { position: absolute; top: 6px; right: 6px; }
.copy { font-size: 12px; padding: 4px 10px; }
.typing { padding: 0 16px 6px; color: var(--muted); font-size: 13px; }
#composer { border-top: 1px solid var(--line); padding: 10px 16px 16px; display: grid; gap: 8px; }
#composer textarea { resize: vertical; min-height: 48px; flex: 1; }
.compose-row { display: flex; gap: 8px; align-items: stretch; }
.send-col { display: flex; flex-direction: column; gap: 6px; }
button.icon { font-size: 18px; padding: 6px 10px; }
button.ai { background: transparent; color: var(--ai); border: 1px solid var(--ai); font-size: 13px; padding: 6px 10px; }
.preview { display: flex; align-items: center; gap: 8px; }
.preview[hidden] { display: none; }
.preview img { max-height: 80px; border-radius: 6px; border: 1px solid var(--line); }

/* Pantalla de entrada */
.card p { margin: 0; }
.choice { display: grid; gap: 8px; margin-top: 8px; }
.hint { color: var(--muted); font-size: 14px; }
.warn { color: var(--text); }
kbd { font: 12px ui-monospace, Consolas, monospace; border: 1px solid var(--line); border-radius: 4px; padding: 1px 4px; }
#step-ask, #step-blocked, #step-password, #step-code { display: grid; gap: 10px; }
#name-field { display: grid; gap: 6px; }

/* Panel lateral */
.drawer { position: fixed; top: 0; right: 0; bottom: 0; width: min(340px, 100vw); background: var(--card); border-left: 1px solid var(--line); box-shadow: -8px 0 24px rgba(0,0,0,.15); padding: 16px; overflow-y: auto; display: flex; flex-direction: column; gap: 16px; z-index: 5; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; }
.drawer section { display: grid; gap: 8px; }
.drawer h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 4px 0 0; }
.drawer .hint { margin: 0; }
button.danger { color: #d14343; border-color: #d1434366; }
.devices { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.devices li { display: flex; gap: 8px; align-items: center; justify-content: space-between; font-size: 14px; }
.toggle { color: var(--text); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.toggle input { width: auto; }