/* Layout: barra superior con 3 vistas. Bandeja en tres paneles (chats | conversación | ficha); en celular un panel a la vez.
   Identidad: guinda institucional sobre grises fríos, datos fiscales en monoespaciada. */
:root {
  --bg: #eceef1; --surface: #ffffff; --surface-2: #f5f6f8; --ink: #1b2128; --muted: #5e6873; --line: #d8dce1;
  --accent: #7a1f3d; --accent-ink: #ffffff; --accent-soft: #f1e4e9;
  --ok: #1f7a4d; --ok-soft: #dff1e7; --warn: #9a5b14; --warn-soft: #f8ead2; --bad: #b3261e; --bad-soft: #f8dedb;
  --bubble-in: #ffffff; --bubble-out: #f1e4e9;
  --sans: "IBM Plex Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --serif: "IBM Plex Serif", Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #121519; --surface: #1b1f24; --surface-2: #232830; --ink: #e8eaed; --muted: #98a1ab; --line: #2d343c;
    --accent: #d77c99; --accent-ink: #1b0e13; --accent-soft: #3a222b;
    --ok: #5fc08a; --ok-soft: #1d3a2c; --warn: #e0a25c; --warn-soft: #3b2c16; --bad: #f08a82; --bad-soft: #43201d;
    --bubble-in: #232830; --bubble-out: #3a222b; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #121519; --surface: #1b1f24; --surface-2: #232830; --ink: #e8eaed; --muted: #98a1ab; --line: #2d343c;
  --accent: #d77c99; --accent-ink: #1b0e13; --accent-soft: #3a222b;
  --ok: #5fc08a; --ok-soft: #1d3a2c; --warn: #e0a25c; --warn-soft: #3b2c16; --bad: #f08a82; --bad-soft: #43201d;
  --bubble-in: #232830; --bubble-out: #3a222b; color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { background: var(--bg); color: var(--ink); font-family: var(--sans); font-size: 14px; line-height: 1.45; display: flex; flex-direction: column; }
button { font: inherit; color: inherit; cursor: pointer; }
button:focus-visible, a:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mono { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0; }
.muted { color: var(--muted); }

/* barra superior */
.top { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { font-family: var(--serif); font-weight: 600; font-size: 17px; letter-spacing: .02em; color: var(--accent); margin-right: 4px; }
.brand small { font-family: var(--sans); font-weight: 500; font-size: 11px; color: var(--muted); letter-spacing: .08em; text-transform: uppercase; margin-left: 8px; }
.tabs { display: flex; gap: 2px; }
.tab { border: 0; background: none; padding: 8px 12px; border-radius: 6px; color: var(--muted); font-weight: 500; }
.tab[aria-selected="true"] { background: var(--accent-soft); color: var(--accent); }
.tab .n { font-family: var(--mono); font-size: 11px; margin-left: 6px; padding: 1px 6px; border-radius: 9px; background: var(--accent); color: var(--accent-ink); }
.sample { margin-left: auto; font-size: 12px; color: var(--muted); }
.sample b { color: var(--warn); font-weight: 600; }

main { flex: 1; min-height: 0; display: flex; }
.view { display: none; flex: 1; min-width: 0; min-height: 0; }
.view.on { display: flex; }

/* bandeja */
.panes { flex: 1; display: grid; grid-template-columns: 300px minmax(0, 1fr) 320px; min-height: 0; min-width: 0; }
.pane { min-width: 0; min-height: 0; display: flex; flex-direction: column; background: var(--surface); }
.pane + .pane { border-left: 1px solid var(--line); }
.pane-h { padding: 12px 14px; border-bottom: 1px solid var(--line); display: flex; gap: 8px; align-items: center; min-height: 54px; }
.seg { display: flex; background: var(--surface-2); border-radius: 7px; padding: 2px; gap: 2px; width: 100%; }
.seg { flex-wrap: wrap; }
.seg button { flex: 1 1 auto; border: 0; background: none; padding: 5px 7px; border-radius: 5px; font-size: 12px; color: var(--muted); font-weight: 500; }
.seg button[aria-pressed="true"] { background: var(--surface); color: var(--ink); box-shadow: 0 0 0 1px var(--line); }
.list { overflow-y: auto; flex: 1; }
.item { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; width: 100%; text-align: left; padding: 11px 14px; border: 0; border-bottom: 1px solid var(--line); background: none; }
.item[aria-current="true"] { background: var(--accent-soft); }
.item .nm { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.item .tm { font-size: 12px; color: var(--muted); }
.item .pv { grid-column: 1; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 13px; }
.item .tg { grid-column: 2; justify-self: end; display: flex; gap: 6px; align-items: center; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.chip { font-size: 11px; font-weight: 500; padding: 1px 7px; border-radius: 9px; background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); white-space: nowrap; }
.chip.pub { background: var(--warn-soft); color: var(--warn); border-color: transparent; }

.chat-h { justify-content: space-between; }
.chat-h .who { min-width: 0; }
.chat-h .who b { display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.win { font-size: 12px; padding: 3px 9px; border-radius: 9px; white-space: nowrap; }
.win.open { background: var(--ok-soft); color: var(--ok); }
.win.closed { background: var(--warn-soft); color: var(--warn); }
.thread { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; background: var(--surface-2); }
.msg { max-width: min(78%, 480px); padding: 8px 11px; border-radius: 10px; border: 1px solid var(--line); background: var(--bubble-in); }
.msg.out { align-self: flex-end; background: var(--bubble-out); border-color: transparent; }
.msg .t { display: block; font-size: 11px; color: var(--muted); margin-top: 3px; text-align: right; font-variant-numeric: tabular-nums; }
.msg .file { display: flex; gap: 8px; align-items: center; font-family: var(--mono); font-size: 12px; padding: 6px 8px; margin-top: 4px; background: var(--surface); border-radius: 6px; border: 1px solid var(--line); }
.day { align-self: center; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; padding: 4px 0; }
.note { align-self: stretch; font-size: 12.5px; padding: 8px 11px; border-radius: 8px; border: 1px dashed var(--warn); background: var(--warn-soft); color: var(--warn); }
.composer { border-top: 1px solid var(--line); padding: 10px 12px; display: grid; gap: 8px; background: var(--surface); }
.composer .row { display: flex; gap: 8px; }
.composer input[type="text"] { flex: 1; min-width: 0; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); padding: 9px 11px; border-radius: 8px; font: inherit; }
.btn { border: 1px solid var(--line); background: var(--surface); padding: 8px 12px; border-radius: 8px; font-weight: 500; }
.btn.pri { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }
.quick { display: flex; gap: 6px; flex-wrap: wrap; }
.quick button { font-size: 12px; padding: 3px 9px; border-radius: 9px; border: 1px solid var(--line); background: var(--surface); color: var(--muted); }

/* ficha */
.ficha { overflow-y: auto; flex: 1; padding: 16px; display: grid; gap: 16px; align-content: start; }
.ficha h2 { margin: 0; font-size: 16px; line-height: 1.25; }
.ficha h3 { margin: 0 0 8px; font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--muted); font-weight: 600; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 5px 12px; margin: 0; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; text-align: right; overflow-wrap: anywhere; }
.pill { display: inline-block; font-size: 12px; font-weight: 600; padding: 2px 9px; border-radius: 9px; }
.pill.ok { background: var(--ok-soft); color: var(--ok); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pay { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.pay .amt { font-family: var(--mono); font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; }
.files { display: grid; gap: 6px; }
.files div { display: flex; justify-content: space-between; gap: 8px; padding: 7px 10px; background: var(--surface-2); border-radius: 6px; }
.files span:first-child { overflow-wrap: anywhere; }
.stage { width: 100%; padding: 7px 9px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); font: inherit; }
.back { display: none; border: 0; background: none; color: var(--accent); font-weight: 600; padding: 4px 0; }

/* cobranza */
.page { flex: 1; overflow-y: auto; padding: 16px; display: grid; gap: 16px; align-content: start; min-width: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; }
.tile .l { font-size: 12px; color: var(--muted); }
.tile .v { font-family: var(--mono); font-size: 24px; font-weight: 500; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile.bad .v { color: var(--bad); }
.tile.ok .v { color: var(--ok); }
.tile.warn .v { color: var(--warn); }
.tbl { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th { text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); font-weight: 600; padding: 10px 14px; border-bottom: 1px solid var(--line); }
td { padding: 11px 14px; border-bottom: 1px solid var(--line); }
tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; font-variant-numeric: tabular-nums; }
.sec-h { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.sec-h h2 { margin: 0; font-size: 16px; }

/* prospectos */
.board { display: grid; grid-template-columns: repeat(4, minmax(220px, 1fr)); gap: 12px; overflow-x: auto; padding-bottom: 4px; }
.col { background: var(--surface-2); border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: grid; gap: 8px; align-content: start; min-width: 0; }
.col h3 { margin: 0 2px 2px; font-size: 12px; display: flex; justify-content: space-between; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 11px; display: grid; gap: 4px; }
.card b { font-weight: 600; }
.card .src { font-size: 12px; color: var(--muted); }

.thread.drag { outline: 2px dashed var(--accent); outline-offset: -8px; }
.dropmsg { display: none; align-self: center; margin: auto; padding: 14px 20px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-weight: 600; text-align: center; }
.thread.drag .dropmsg { display: block; }
.stk { align-self: flex-start; width: 132px; height: 132px; border-radius: 50%; display: grid; place-items: center; text-align: center; padding: 14px; font-family: var(--serif); font-weight: 600; font-size: 15px; line-height: 1.15; background: var(--surface); color: var(--accent); border: 4px double var(--accent); }
.stk.out { align-self: flex-end; }
.stk small { display: block; font-family: var(--sans); font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-top: 4px; }
.stkimg { width: 132px; height: 132px; align-self: flex-end; }
.stkbtn { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 4px; }
.stkbtn img { display: block; width: 76px; height: 76px; }
.stkpanel { display: none; gap: 8px; flex-wrap: wrap; padding: 4px 0; }
.stkpanel.on { display: flex; }
.stkpanel .stk { width: 84px; height: 84px; font-size: 11px; padding: 8px; cursor: pointer; align-self: auto; border-width: 3px; }
.stkpanel .stk:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.attach { display: none; border: 1px solid var(--accent); border-radius: 10px; padding: 10px 12px; background: var(--accent-soft); gap: 8px; }
.attach.on { display: grid; }
.attach .fl { display: flex; flex-wrap: wrap; gap: 6px; }
.attach .fl span { font-family: var(--mono); font-size: 12px; padding: 2px 8px; border-radius: 6px; background: var(--surface); border: 1px solid var(--line); }
.attach textarea { width: 100%; min-height: 76px; resize: vertical; border: 1px solid var(--line); background: var(--surface); color: var(--ink); border-radius: 8px; padding: 8px 10px; font: inherit; }
.attach .warnl { color: var(--warn); font-size: 12.5px; }
.attach .acts { display: flex; gap: 8px; justify-content: flex-end; }
.cl-tools { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.cl-tools input { flex: 1; min-width: 180px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 9px 11px; border-radius: 8px; font: inherit; }
@media (max-width: 1000px) {
  .panes { grid-template-columns: minmax(0, 1fr); }
  .panes .pane { display: none; }
  .panes[data-pane="list"] .pane.p-list, .panes[data-pane="chat"] .pane.p-chat, .panes[data-pane="ficha"] .pane.p-ficha { display: flex; }
  .pane + .pane { border-left: 0; }
  .back { display: inline-block; }
  .tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sample { margin-left: 0; width: 100%; }
  .msg { max-width: 88%; }
}
@media (prefers-reduced-motion: no-preference) { .item, .tab, .btn { transition: background-color .12s; } }

.login { max-width: 360px; margin: 12vh auto 0; padding: 24px 16px; display: grid; gap: 12px; }
.login h1 { font-family: var(--serif); color: var(--accent); margin: 0; font-size: 22px; }
.login input { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 10px 12px; border-radius: 8px; font: inherit; }
.login .err { color: var(--bad); min-height: 1.4em; }
.empty { padding: 24px 16px; color: var(--muted); text-align: center; }
.hidden { display: none !important; }

.regform { display: flex; flex-direction: column; gap: 6px; }
.regform input, .regform select { border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 10px; border-radius: 8px; font: inherit; min-width: 0; }
.regform button { padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface-2); color: var(--ink); font: inherit; cursor: pointer; }
.regform button.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); }

td.detalle { background: var(--surface-2); padding: 12px 16px; }
td.detalle .why { display: flex; flex-direction: column; gap: 4px; margin: 10px 0; align-items: flex-start; }
td.detalle .acts { display: flex; flex-wrap: wrap; gap: 8px; }
td.detalle .acts select { min-width: 0; flex: 1 1 220px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 10px; border-radius: 8px; font: inherit; }

.pill.mute { background: var(--surface-2); color: var(--muted); border: 1px solid var(--line); margin-left: 4px; }