/* ---------- Diseño: limpio y suave, con la paleta del logo (verde-azul) ---------- */
:root {
  color-scheme: light dark;
  --bg: #f3f6fb;
  --bg-2: #eaf0f8;
  --surface: #ffffff;
  --surface-2: #f7f9fd;
  --ink: #0f1a3d;
  --muted: #5d6a8a;
  --line: #e2e8f3;
  --brand: #10b3a3;
  --brand-2: #3b82f6;
  --brand-ink: #087a6e;
  --brand-soft: #e0f6f3;
  --avatar-bg: linear-gradient(135deg, #dff6f2, #e4edff);
  --ok: #15803d; --ok-bg: #e4f6ea;
  --warn: #a8500a; --warn-bg: #fff1d6;
  --bad: #b42323; --bad-bg: #fde7e7;
  --info: #1d4ed8; --info-bg: #e6eeff;
  --mute: #56627f; --mute-bg: #eaeef6;
  --grad: linear-gradient(135deg, var(--brand), var(--brand-2));
  --shadow-sm: 0 1px 2px rgba(15, 26, 61, .05);
  --shadow: 0 1px 2px rgba(15, 26, 61, .04), 0 6px 20px -4px rgba(15, 26, 61, .08);
  --shadow-lg: 0 2px 4px rgba(15, 26, 61, .05), 0 18px 40px -8px rgba(15, 26, 61, .16);
  --radius: 20px;
  --radius-sm: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0c1326; --bg-2: #0a1020; --surface: #141c36; --surface-2: #19223f; --ink: #eaf0ff; --muted: #9aa7c9; --line: #26314f;
    --brand-soft: #0f2f3a; --brand-ink: #4fe0d0;
    --avatar-bg: linear-gradient(135deg, #12343d, #1a2a52);
    --ok: #6ee7a0; --ok-bg: #12301f; --warn: #fbbf6b; --warn-bg: #3a2b0e;
    --bad: #ff9a9a; --bad-bg: #3d1717; --info: #9dbdff; --info-bg: #17284f;
    --mute: #a8b3d1; --mute-bg: #1f2947;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 8px 24px -6px rgba(0, 0, 0, .35);
    --shadow-lg: 0 2px 4px rgba(0, 0, 0, .3), 0 20px 44px -8px rgba(0, 0, 0, .55);
  }
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { overflow-x: hidden; scroll-behavior: smooth; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.55 Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
body { background: linear-gradient(180deg, var(--bg), var(--bg-2)) fixed; }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, p { margin: 0; }
a { color: var(--brand-ink); text-decoration: none; }
svg.i { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
:focus-visible { outline: 2px solid var(--brand-2); outline-offset: 2px; border-radius: 10px; }
::selection { background: var(--brand-soft); }
* { scrollbar-width: thin; scrollbar-color: var(--line) transparent; }

/* ---------- Estructura ---------- */
.shell { min-height: 100vh; display: grid; grid-template-columns: 276px minmax(0, 1fr); }
.side { position: sticky; top: 0; height: 100vh; padding: 22px 14px; display: flex; flex-direction: column; gap: 4px; background: var(--surface); border-right: 1px solid var(--line); }
.logo { display: flex; align-items: center; gap: 12px; padding: 4px 10px 24px; }
.logo img { width: 40px; height: 40px; border-radius: 12px; box-shadow: 0 6px 14px -4px rgba(16, 179, 163, .5); }
.logo b { display: block; font-size: 16px; letter-spacing: -.015em; }
.logo small { color: var(--muted); font-size: 12px; }
.nav { display: grid; gap: 2px; }
.nav a { position: relative; display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--muted); font-weight: 550; transition: background .15s, color .15s; }
.nav a:hover { background: var(--mute-bg); color: var(--ink); }
.nav a.on { background: var(--brand-soft); color: var(--brand-ink); }
.nav a.on::before { content: ""; position: absolute; left: -14px; top: 9px; bottom: 9px; width: 4px; border-radius: 0 4px 4px 0; background: var(--grad); }
.side .salir { margin-top: auto; }
.main { padding: 30px clamp(16px, 4vw, 48px) 110px; max-width: 1100px; width: 100%; min-width: 0; animation: entra .28s ease-out both; }
.top { margin-bottom: 24px; display: flex; align-items: flex-end; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.top h1 { font-size: clamp(25px, 4vw, 31px); letter-spacing: -.025em; line-height: 1.15; }
.top p { color: var(--muted); margin-top: 4px; }
.top p::first-letter { text-transform: uppercase; }
.tabs { display: none; }
/* Menú con Facturación electrónica desplegable */
.nav button.grupo { position: relative; display: flex; align-items: center; gap: 12px; width: 100%; padding: 10px 12px; border: 0; border-radius: var(--radius-sm); background: none; color: var(--muted); font: inherit; font-weight: 550; text-align: left; cursor: pointer; transition: background .15s, color .15s; }
.nav button.grupo:hover { background: var(--mute-bg); color: var(--ink); }
.nav button.grupo.on { color: var(--brand-ink); }
.chev-g { margin-left: auto; display: inline-flex; transition: transform .18s; }
.nav button.grupo[aria-expanded="true"] .chev-g { transform: rotate(180deg); }
.subnav-lat { display: grid; gap: 2px; margin: 2px 0 4px 22px; padding-left: 8px; border-left: 1px solid var(--line); }
.subnav-lat[hidden] { display: none; }
.subnav-lat a { padding: 8px 12px; font-size: 14px; }
.subnav-lat a.on::before { display: none; }
.subnav-movil { display: none; }
.h2.primero { margin-top: 4px; }
.btn.salir-movil { display: none; } /* solo en el celular (ahí no hay barra lateral) */
@keyframes entra { from { opacity: 0; transform: translateY(6px); } }

/* ---------- Botones e inputs ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--line); background: var(--surface); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 600; cursor: pointer; box-shadow: var(--shadow-sm); transition: transform .1s, box-shadow .18s, background .15s, border-color .15s, filter .15s; }
.btn:hover { box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--brand) 40%, var(--line)); }
.btn:active { transform: scale(.975); }
.btn.primary { background: var(--grad); border-color: transparent; color: #fff; box-shadow: 0 8px 18px -8px rgba(16, 179, 163, .75); }
.btn.primary:hover { filter: brightness(1.06); box-shadow: 0 10px 22px -8px rgba(59, 130, 246, .7); }
.btn.ghost { background: transparent; box-shadow: none; }
.btn.ghost:hover { background: var(--mute-bg); box-shadow: none; }
.btn.danger { color: var(--bad); }
.btn.danger:hover { background: var(--bad-bg); border-color: transparent; }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 10px; }
.btn[disabled] { opacity: .55; pointer-events: none; }
.input, select.input, textarea.input { width: 100%; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-sm); padding: 11px 14px; outline: none; transition: border-color .15s, box-shadow .15s; }
.input::placeholder { color: color-mix(in srgb, var(--muted) 70%, transparent); }
.input:hover { border-color: color-mix(in srgb, var(--brand) 35%, var(--line)); }
.input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px color-mix(in srgb, var(--brand) 18%, transparent); }
.search { flex: 1; min-width: 200px; }
.tools { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; align-items: center; }
.seg { display: inline-flex; background: var(--mute-bg); border-radius: var(--radius-sm); padding: 4px; gap: 2px; }
.seg button { border: 0; background: transparent; padding: 7px 14px; border-radius: 9px; font-weight: 600; color: var(--muted); cursor: pointer; transition: color .15s, background .15s; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: var(--surface); color: var(--ink); box-shadow: var(--shadow-sm), 0 0 0 1px var(--line); }

/* ---------- Tarjetas y bloques ---------- */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card + .card, .stack > * + * { margin-top: 14px; }
.h2 { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .08em; margin: 28px 0 10px; }
.banner { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 16px; background: var(--warn-bg); color: var(--warn); margin-bottom: 20px; font-weight: 500; border: 1px solid color-mix(in srgb, var(--warn) 18%, transparent); }
.banner svg.i { margin-top: 2px; }

.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(138px, 1fr)); gap: 14px; }
.tile { --acc: var(--brand); position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-start; align-items: flex-start; text-align: left; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 18px 16px; box-shadow: var(--shadow); cursor: pointer; color: inherit; transition: transform .14s, border-color .18s, box-shadow .18s; }
.tile::before { content: ""; position: absolute; left: 18px; top: 0; width: 34px; height: 4px; border-radius: 0 0 4px 4px; background: var(--acc); }
.tiles .tile:nth-child(2) { --acc: #f59e0b; }
.tiles .tile:nth-child(3) { --acc: #8b5cf6; }
.tiles .tile:nth-child(4) { --acc: var(--brand-2); }
.tiles .tile:nth-child(5) { --acc: #22c55e; }
.tile small { display: block; color: var(--muted); font-size: 13px; font-weight: 550; }
.tile b { display: block; font-size: 36px; letter-spacing: -.035em; margin-top: 6px; line-height: 1.05; font-variant-numeric: tabular-nums; }
.tile em { display: block; font-style: normal; color: var(--muted); font-size: 12.5px; margin-top: 8px; line-height: 1.35; }
.tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.tile.hot { background: linear-gradient(160deg, color-mix(in srgb, var(--acc) 11%, var(--surface)), var(--surface) 70%); border-color: color-mix(in srgb, var(--acc) 45%, var(--line)); }
.tile.open { border-color: var(--acc); box-shadow: 0 0 0 4px color-mix(in srgb, var(--acc) 18%, transparent), var(--shadow); }
.tile.fija { cursor: default; }
.tile.fija:hover { transform: none; box-shadow: var(--shadow); }
.despliegue { margin-top: 16px; animation: entra .22s ease-out both; }
.h2.dentro { margin: 0 0 6px; }
.chev { color: var(--muted); display: grid; place-items: center; transition: transform .15s, color .15s; }

.pill { display: inline-flex; align-items: center; gap: 6px; padding: 4px 11px; border-radius: 999px; font-size: 12px; font-weight: 700; white-space: nowrap; }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .8; }
.pill.ok { background: var(--ok-bg); color: var(--ok); } .pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.bad { background: var(--bad-bg); color: var(--bad); } .pill.info { background: var(--info-bg); color: var(--info); }
.pill.mute { background: var(--mute-bg); color: var(--mute); }

.row { display: flex; align-items: center; gap: 14px; padding: 14px 10px; margin: 0 -10px; border-top: 1px solid var(--line); cursor: pointer; border-radius: 0; transition: background .15s; }
.row:first-child { border-top: 0; border-radius: 14px 14px 0 0; }
.row:last-child { border-radius: 0 0 14px 14px; }
.row:only-child { border-radius: 14px; }
.row:hover { background: var(--surface-2); }
.row:hover .nm { color: var(--brand-ink); }
.row:hover .chev { color: var(--brand-ink); transform: translateX(2px); }
.row .main-col { flex: 1; min-width: 0; }
.nm { font-weight: 650; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; transition: color .15s; }
.sub { color: var(--muted); font-size: 13px; }
.bars { display: flex; gap: 4px; margin-top: 9px; max-width: 260px; }
.bars i { height: 5px; flex: 1; border-radius: 3px; background: var(--line); }
.bars i.d { background: var(--grad); }
.avatar { width: 42px; height: 42px; border-radius: 14px; background: var(--avatar-bg); color: var(--brand-ink); display: grid; place-items: center; font-weight: 800; flex: none; }
.avatar.alerta { background: var(--warn-bg); color: var(--warn); }

.steps { display: grid; grid-template-columns: repeat(6, 1fr); gap: 6px; margin: 4px 0 6px; }
.steps div { text-align: center; font-size: 11px; color: var(--muted); font-weight: 600; }
.steps div i { display: block; height: 6px; border-radius: 3px; background: var(--line); margin-bottom: 7px; }
.steps div.d { color: var(--brand-ink); } .steps div.d i { background: var(--grad); }

.doc { display: flex; gap: 12px; padding: 13px 0; border-top: 1px solid var(--line); align-items: flex-start; }
.doc:first-child { border-top: 0; }
.doc .ic { width: 38px; height: 38px; border-radius: 12px; display: grid; place-items: center; flex: none; }
.doc .ic.ok { background: var(--ok-bg); color: var(--ok); } .doc .ic.bad { background: var(--warn-bg); color: var(--warn); } .doc .ic.mute { background: var(--mute-bg); color: var(--mute); }
.kv { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px 22px; }
.kv small { color: var(--muted); display: block; font-size: 12px; font-weight: 550; }
.kv span { font-weight: 600; word-break: break-word; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; }
.timeline { list-style: none; margin: 0; padding: 0 0 0 4px; }
.timeline li { position: relative; padding: 0 0 16px 22px; border-left: 2px solid var(--line); margin-left: 6px; font-size: 14px; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 4px; width: 12px; height: 12px; border-radius: 50%; background: var(--surface); border: 3px solid var(--brand); }
.timeline li.sim::before { border-color: var(--line); }
.timeline time { display: block; color: var(--muted); font-size: 12px; }
.empty { text-align: center; padding: 40px 12px; color: var(--muted); }
.empty b { display: block; color: var(--ink); font-size: 17px; margin-bottom: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .07em; padding: 8px 10px; border-bottom: 1px solid var(--line); font-weight: 700; }
td { padding: 12px 10px; border-bottom: 1px solid var(--line); }
tbody tr { transition: background .12s; }
tbody tr:hover { background: var(--surface-2); }
tbody tr:last-child td { border-bottom: 0; }
.scroll { overflow-x: auto; }

/* ---------- Ventanas, avisos y login ---------- */
.overlay { position: fixed; inset: 0; background: rgba(10, 16, 40, .48); backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); display: grid; place-items: center; padding: 16px; z-index: 30; animation: aparece .15s ease-out both; }
.modal { background: var(--surface); border: 1px solid var(--line); border-radius: 24px; padding: 24px; width: min(520px, 100%); max-height: 92vh; overflow: auto; box-shadow: var(--shadow-lg); animation: entra .2s ease-out both; }
.modal h3 { font-size: 20px; letter-spacing: -.015em; margin-bottom: 14px; }
.form { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form label { font-size: 12px; font-weight: 700; color: var(--muted); display: block; margin-bottom: 4px; }
.form .full { grid-column: 1 / -1; }
#toasts { position: fixed; bottom: 92px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; z-index: 50; }
.toast { background: var(--ink); color: var(--bg); padding: 11px 18px; border-radius: 14px; font-weight: 600; box-shadow: var(--shadow-lg); animation: entra .2s ease-out both; }
.toast.err { background: var(--bad); color: #fff; }
@keyframes aparece { from { opacity: 0; } }

.avisos { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 12px 14px; margin-bottom: 18px; box-shadow: var(--shadow-sm); }
.avisos span { flex: 1 1 220px; }

.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(900px 520px at 12% 8%, rgba(16, 179, 163, .16), transparent 60%), radial-gradient(800px 520px at 92% 92%, rgba(59, 130, 246, .16), transparent 60%); }
.login .card { width: min(400px, 100%); padding: 34px 28px; text-align: center; box-shadow: var(--shadow-lg); animation: entra .3s ease-out both; }
.login img { width: 68px; height: 68px; border-radius: 22px; margin-bottom: 16px; box-shadow: 0 12px 26px -8px rgba(16, 179, 163, .6); }
.login h1 { font-size: 25px; letter-spacing: -.025em; margin-bottom: 20px; }
.login p { color: var(--muted); margin: 6px 0 22px; }
.login .input { margin-bottom: 12px; text-align: center; }
.err { color: var(--bad); font-weight: 600; min-height: 22px; margin-top: 8px; }

/* ---------- Celular ---------- */
@media (max-width: 820px) {
  .shell { grid-template-columns: minmax(0, 1fr); }
  .side { display: none; }
  .main { padding: 20px 16px 120px; }
  .top { flex-wrap: nowrap; align-items: flex-start; }
  .top > div { min-width: 0; }
  .btn.salir-movil { display: inline-flex; flex: none; }
  .tabs { display: flex; position: fixed; bottom: 0; left: 0; right: 0; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-top: 1px solid var(--line); padding: 8px 6px calc(8px + env(safe-area-inset-bottom)); z-index: 20; }
  .tabs a { flex: 1; display: grid; justify-items: center; gap: 2px; font-size: 11px; font-weight: 600; color: var(--muted); padding: 6px 0; border-radius: 12px; transition: background .15s, color .15s; }
  .tabs a.on { color: var(--brand-ink); background: var(--brand-soft); }
  html { -webkit-text-size-adjust: 100%; }
  .main { max-width: 100%; overflow-x: clip; padding: 20px 18px calc(110px + env(safe-area-inset-bottom)); }
  .tabs { width: 100%; box-sizing: border-box; gap: 4px; padding: 8px 10px calc(8px + env(safe-area-inset-bottom)); }
  .tabs a { min-width: 0; text-align: center; line-height: 1.15; }
  /* Tres botones de igual ancho: caben en cualquier celular, sin desplazarse ni cortarse. */
  .subnav-movil { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 6px; margin: 0 0 16px; }
  .subnav-movil a { min-width: 0; display: flex; align-items: center; justify-content: center; padding: 9px 4px; border-radius: 999px; background: var(--mute-bg); color: var(--muted); font-size: 12.5px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .subnav-movil a svg.i { display: none; }
  .subnav-movil a.on { background: var(--brand-soft); color: var(--brand-ink); }
  .form { grid-template-columns: 1fr; }
  .tile b { font-size: 32px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

/* Chat del cliente */
.pills { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.chat { display: grid; gap: 10px; }
.msg { display: grid; gap: 3px; max-width: 82%; }
.msg.in { justify-self: start; } .msg.out { justify-self: end; text-align: right; }
.msg .bub { padding: 9px 13px; border-radius: 16px; line-height: 1.4; white-space: pre-wrap; word-break: break-word; text-align: left; }
.msg.in .bub { background: var(--surface-2); border: 1px solid var(--line); border-top-left-radius: 6px; }
.msg.out .bub { background: var(--brand-soft); color: var(--brand-ink); border-top-right-radius: 6px; }
.msg .meta { font-size: 11px; color: var(--muted); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.msg.out .meta { justify-content: flex-end; }
.msg .meta .pill { padding: 2px 8px; font-size: 11px; }

.chat-det { margin-top: 18px; padding: 0; }
.chat-det summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 10px; padding: 14px 18px; font-weight: 700; }
.chat-det summary::-webkit-details-marker { display: none; }
.chat-det summary b { background: var(--mute-bg); color: var(--mute); border-radius: 999px; padding: 1px 9px; font-size: 12px; }
.chat-det summary::after { content: "Ver"; margin-left: auto; color: var(--brand-ink); font-size: 13px; }
.chat-det[open] summary::after { content: "Ocultar"; }
.chat-det .chat { padding: 4px 18px 18px; }