:root {
    --ink: #1a1714; --ink-2: #2a2622; --bone: #faf6ed; --cream: #f5f0e3; --line: #e3dac4; --yellow: #edd142;
    --muted: #6f675b; --green: #2f9e63; --red: #b3261e; --note: #fff4c2; --card: #ffffff;
    --font: "Inter Tight", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    color-scheme: light;
}
@media (prefers-color-scheme: dark) {
    :root { --bone: #15130f; --cream: #1e1b17; --card: #24211c; --line: #3a352d; --muted: #a59d8f; --note: #3a3318; --ink: #f2ecdf; --ink-2: #e5dece; color-scheme: dark; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { font: 15px/1.45 var(--font); background: var(--bone); color: var(--ink); -webkit-font-smoothing: antialiased; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.boot { padding: 40px; text-align: center; color: var(--muted); }
:focus-visible { outline: 2px solid var(--yellow); outline-offset: 2px; }

/* Acceso */
.auth { min-height: 100%; display: grid; place-items: center; padding: 24px; }
.auth form { width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 12px; }
.auth h1 { margin: 0 0 4px; font: 600 26px/1.2 Fraunces, Georgia, serif; }
.auth p { margin: 0; color: var(--muted); }
.auth .qr { background: #fff; padding: 10px; border-radius: 12px; width: 200px; align-self: center; }
.auth .qr svg { display: block; width: 100%; height: auto; }
.auth code { font: 13px ui-monospace, monospace; word-break: break-all; background: var(--cream); padding: 8px 10px; border-radius: 8px; }
.in { width: 100%; padding: 11px 13px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); font-size: 16px; }
.btn { padding: 10px 16px; border-radius: 999px; border: 0; background: var(--ink); color: var(--bone); font-weight: 600; }
.btn.alt { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.btn.danger { background: var(--red); color: #fff; }
.btn.sm { padding: 6px 12px; font-size: 13.5px; }
.btn:disabled { opacity: .5; cursor: default; }
.err { color: var(--red); font-size: 14px; min-height: 1em; }

/* Estructura */
.app { display: grid; grid-template-columns: 340px 1fr 300px; height: 100vh; height: 100dvh; }
.app.noside { grid-template-columns: 340px 1fr; }
.app.one { grid-template-columns: 1fr; }
.app.one .col { border-right: 0; }
.col { min-height: 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); }
.top { display: flex; align-items: center; gap: 8px; padding: 12px 14px; padding-top: max(12px, env(safe-area-inset-top)); border-bottom: 1px solid var(--line); background: var(--cream); }
.top h1 { margin: 0; flex: 1; font: 600 19px/1.2 Fraunces, Georgia, serif; }
.ico { width: 36px; height: 36px; border-radius: 10px; border: 0; background: transparent; display: grid; place-items: center; flex: none; }
.ico:hover { background: var(--line); }
.ico svg { width: 20px; height: 20px; }
.status { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: 13px; }
.dot { width: 9px; height: 9px; border-radius: 50%; background: #9a948a; flex: none; }
.dot.ok { background: var(--green); }
.banner { margin: 10px 12px 0; padding: 10px 12px; border-radius: 12px; background: var(--note); font-size: 13.5px; display: flex; gap: 10px; align-items: center; }
.banner p { margin: 0; flex: 1; }

.filters { display: flex; gap: 6px; padding: 10px 12px 6px; flex-wrap: wrap; }
.chip { padding: 5px 11px; border-radius: 999px; border: 1px solid var(--line); background: var(--card); font-size: 13px; }
.chip.on { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.search { margin: 4px 12px 8px; width: calc(100% - 24px); }
.list { flex: 1; overflow-y: auto; }
.row { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; padding: 11px 14px; border-bottom: 1px solid var(--line); text-decoration: none; }
.row:hover { background: var(--cream); }
.row.on { background: var(--cream); box-shadow: inset 3px 0 0 var(--ink); }
.row b { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .sn { grid-column: 1 / -1; color: var(--muted); font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row time { font-size: 12px; color: var(--muted); }
.row .tags { grid-column: 1 / -1; display: flex; gap: 4px; flex-wrap: wrap; }
.tag { font-size: 11.5px; padding: 1px 7px; border-radius: 999px; background: var(--line); }
.unread { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 10px; background: #e4572e; color: #fff; font-size: 12px; font-weight: 700; text-align: center; line-height: 20px; }
.empty { padding: 30px 20px; color: var(--muted); text-align: center; }

/* Conversación */
.conv-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.conv-head .who { flex: 1; min-width: 140px; }
.conv-head .who b { display: block; }
.conv-head .who small { color: var(--muted); display: flex; align-items: center; gap: 6px; }
select.in { width: auto; padding: 6px 10px; font-size: 14px; }
.msgs { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.m { max-width: 78%; padding: 9px 13px; border-radius: 16px; white-space: pre-wrap; overflow-wrap: anywhere; }
.m.v { align-self: flex-start; background: var(--card); border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.m.o { align-self: flex-end; background: var(--ink); color: var(--bone); border-bottom-right-radius: 5px; }
.m.n { align-self: flex-end; background: var(--note); color: var(--ink); border: 1px dashed #c9b25a; border-bottom-right-radius: 5px; }
.m img { display: block; max-width: 100%; max-height: 260px; border-radius: 10px; }
.meta { font-size: 11.5px; color: var(--muted); margin: 0 4px 4px; }
.meta.r { align-self: flex-end; }
.ev { align-self: center; font: 500 11px/1.4 ui-monospace, monospace; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 8px 0; text-align: center; }
.cart { display: flex; flex-direction: column; gap: 3px; }
.cart span { font-size: 13.5px; }
.typing { padding: 0 18px 6px; font-size: 12.5px; color: var(--muted); min-height: 18px; }
.composer { border-top: 1px solid var(--line); padding: 10px 12px; padding-bottom: max(10px, env(safe-area-inset-bottom)); background: var(--cream); position: relative; }
.composer.note { background: var(--note); }
.composer textarea { width: 100%; min-height: 64px; max-height: 220px; resize: vertical; border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; background: var(--card); font-size: 16px; }
.composer .bar { display: flex; align-items: center; gap: 6px; margin-top: 8px; flex-wrap: wrap; }
.composer .bar .sp { flex: 1; }
.toggle { display: inline-flex; align-items: center; gap: 6px; font-size: 13.5px; }
.canned { position: absolute; left: 12px; right: 12px; bottom: 100%; background: var(--card); border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 10px 30px rgba(0,0,0,.15); max-height: 240px; overflow-y: auto; }
.canned button { display: block; width: 100%; text-align: left; padding: 9px 12px; border: 0; background: none; border-bottom: 1px solid var(--line); }
.canned button.on, .canned button:hover { background: var(--cream); }
.canned small { display: block; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Ficha del visitante */
.side { overflow-y: auto; padding: 14px; display: flex; flex-direction: column; gap: 14px; border-right: 0; }
.side h2 { margin: 0; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.side dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 4px 10px; font-size: 13.5px; }
.side dt { color: var(--muted); }
.side dd { margin: 0; overflow-wrap: anywhere; }
.side label { display: flex; flex-direction: column; gap: 3px; font-size: 12.5px; color: var(--muted); }
.side .in { padding: 8px 10px; font-size: 14px; }
.side .actions { display: flex; flex-wrap: wrap; gap: 6px; }

/* Ajustes */
.settings { overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 22px; max-width: 760px; }
.settings section { display: flex; flex-direction: column; gap: 10px; }
.settings h2 { margin: 0; font: 600 18px/1.3 Fraunces, Georgia, serif; }
.settings p { margin: 0; color: var(--muted); font-size: 14px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; }
.kpi b { display: block; font-size: 24px; }
.kpi span { font-size: 13px; color: var(--muted); }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
td, th { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
.hours { display: grid; grid-template-columns: 70px 1fr 1fr; gap: 6px 10px; align-items: center; font-size: 14px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: var(--bone); padding: 10px 16px; border-radius: 12px; font-size: 14px; z-index: 10; max-width: 90vw; }
.back { display: none; }

@media (max-width: 1100px) { .app { grid-template-columns: 300px 1fr; } .app .side { display: none; } .app.showside .side { display: flex; position: fixed; inset: 0 0 0 auto; width: min(340px, 92vw); background: var(--bone); z-index: 5; box-shadow: -10px 0 30px rgba(0,0,0,.2); padding-top: max(14px, env(safe-area-inset-top)); } }
@media (max-width: 760px) {
    .app, .app.noside, .app.one { grid-template-columns: 1fr; }
    .app.inconv .col.inbox { display: none; }
    .app:not(.inconv) .col.conv { display: none; }
    .back { display: grid; }
    .m { max-width: 88%; }
    .grid2 { grid-template-columns: 1fr; }
}