:root {
  --bg: #f6f6f3;
  --panel: #ffffff;
  --ink: #1b1d1f;
  --ink-2: #5d6268;
  --ink-3: #959aa0;
  --line: #e6e6e1;
  --accent: #155e4b;
  --accent-soft: #e5f0ec;
  --warn: #a5560b;
  --warn-soft: #fbf0e3;
  --bad: #b42318;
  --bad-soft: #fdecea;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 20, 15, .04), 0 2px 8px rgba(20, 20, 15, .04);
}
* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, sans-serif;
  font-size: 14px; color: var(--ink); background: var(--bg);
}
a { color: inherit; }

/* Barra lateral: siempre fija a la izquierda, ocupando todo el alto; solo el contenido se desplaza */
.side { background: var(--panel); border-right: 1px solid var(--line); padding: 18px 12px; box-sizing: border-box;
  position: fixed; top: 0; left: 0; bottom: 0; width: 232px; overflow-y: auto; z-index: 20; }
.logo { display: flex; gap: 10px; align-items: center; padding: 4px 8px 18px; }
.logo-mark { width: 30px; height: 30px; border-radius: 8px; background: var(--accent); position: relative; flex: none; }
.logo-mark::after { content: ""; position: absolute; inset: 9px 8px; border-top: 2.5px solid #fff; border-bottom: 2.5px solid #fff; }
.logo b { display: block; font-size: 14px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.logo small { color: var(--ink-3); font-size: 12px; }
nav a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; text-decoration: none; color: var(--ink-2); font-weight: 500; margin-bottom: 1px; }
nav a:hover { background: var(--bg); color: var(--ink); }
nav a.on { background: var(--accent-soft); color: var(--accent); }
nav i { width: 18px; height: 18px; display: inline-flex; }
nav i svg { width: 18px; height: 18px; }
.grupo { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); padding: 16px 10px 6px; font-weight: 600; }

.side { display: flex; flex-direction: column; }
.side nav { flex: 1; }
.yo { border-top: 1px solid var(--line); margin-top: 16px; padding: 14px 8px 0; }
.yo b { display: block; font-size: 13px; }
.yo small { color: var(--ink-3); font-size: 12px; }
.yo-acc { display: flex; gap: 6px; margin-top: 10px; }
[hidden] { display: none !important; }

/* Contenido */
main { padding: 28px 36px 60px; min-width: 0; margin-left: 232px; }
.cab { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.cab h1 { font-size: 22px; letter-spacing: -.02em; margin: 0; font-weight: 650; }
.cab p { margin: 4px 0 0; color: var(--ink-2); }
.acciones { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.card.pad { padding: 18px 20px; }
.card h3 { margin: 0 0 12px; font-size: 14px; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.kpi { padding: 16px 18px; }
.kpi small { color: var(--ink-2); display: block; margin-bottom: 6px; }
.kpi b { font-size: 24px; letter-spacing: -.02em; font-weight: 650; font-variant-numeric: tabular-nums; }
.grid2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }

/* Tablas */
.tabla { width: 100%; border-collapse: collapse; }
.tabla th { text-align: left; font-size: 12px; font-weight: 600; color: var(--ink-2); padding: 10px 14px; border-bottom: 1px solid var(--line); background: #fbfbf9; white-space: nowrap; }
.tabla th:first-child { border-top-left-radius: var(--radius); }
.tabla th:last-child { border-top-right-radius: var(--radius); }
.tabla td { padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.tabla tr:last-child td { border-bottom: 0; }
.tabla tbody tr.click { cursor: pointer; }
.tabla tbody tr.click:hover td { background: #fafaf7; }
.r { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.mono { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 12.5px; }
.sub { color: var(--ink-3); font-size: 12px; }
.vacio { padding: 40px; text-align: center; color: var(--ink-2); }

/* Botones y formularios */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--line); background: var(--panel); color: var(--ink); padding: 7px 13px; border-radius: 8px; font: inherit; font-weight: 550; cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: #cfcfc8; background: #fafaf7; }
.btn.pri { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.pri:hover { background: #0f4b3c; }
.btn.peligro { color: var(--bad); }
.btn.mini { padding: 4px 9px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: default; }
.icono { border: 0; background: none; cursor: pointer; color: var(--ink-3); font-size: 18px; padding: 2px 6px; border-radius: 6px; }
.icono:hover { color: var(--bad); background: var(--bad-soft); }

label { display: block; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
input, select, textarea { width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { resize: vertical; min-height: 60px; }
.campos { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px 14px; }
.campos > div { grid-column: span 3; }
.campos .c2 { grid-column: span 2; } .campos .c4 { grid-column: span 4; } .campos .c6 { grid-column: span 6; } .campos .c1 { grid-column: span 1; }
.seccion { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 600; margin: 20px 0 10px; }
.buscar { width: 260px; }

.tag { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--bg); color: var(--ink-2); }
.tag.ok { background: var(--accent-soft); color: var(--accent); }
.tag.warn { background: var(--warn-soft); color: var(--warn); }
.tag.bad { background: var(--bad-soft); color: var(--bad); }

.aviso { padding: 12px 16px; border-radius: var(--radius); background: var(--warn-soft); color: var(--warn); margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.aviso.ok { background: var(--accent-soft); color: var(--accent); }
.aviso.bad { background: var(--bad-soft); color: var(--bad); }

/* Líneas de documento */
.lineas { width: 100%; border-collapse: collapse; }
.lineas th { font-size: 12px; color: var(--ink-2); text-align: left; padding: 6px 4px; font-weight: 600; }
.lineas td { padding: 3px 4px; }
.lineas input, .lineas select { padding: 6px 8px; }
.totales { display: flex; justify-content: flex-end; gap: 28px; margin-top: 14px; padding-top: 12px; border-top: 1px solid var(--line); }
.totales div { text-align: right; }
.totales small { display: block; color: var(--ink-2); font-size: 12px; }
.totales b { font-size: 16px; font-variant-numeric: tabular-nums; }
.totales .t b { font-size: 20px; color: var(--accent); }

/* Gráfico */
.barras { display: flex; align-items: flex-end; gap: 14px; height: 160px; padding-top: 10px; }
.barra { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.barra span.b { width: 100%; max-width: 44px; background: var(--accent); border-radius: 6px 6px 2px 2px; min-height: 2px; }
.barra small { color: var(--ink-3); font-size: 11.5px; }
.barra em { font-style: normal; font-size: 11.5px; color: var(--ink-2); font-variant-numeric: tabular-nums; }

/* Variantes en productos */
.prod { margin-bottom: 12px; }
.prod-cab { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.prod-cab b { font-size: 15px; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(20, 22, 20, .35); display: flex; align-items: flex-start; justify-content: center; padding: 5vh 20px; z-index: 50; overflow-y: auto; }
.modal[hidden] { display: none; }
.modal-box { background: var(--panel); border-radius: 14px; width: min(980px, 100%); box-shadow: 0 20px 60px rgba(0,0,0,.18); }
.modal-box.estrecho { width: min(620px, 100%); }
.modal-box header { display: flex; justify-content: space-between; align-items: center; padding: 16px 22px; border-bottom: 1px solid var(--line); }
.modal-box h3 { margin: 0; font-size: 16px; }
.modal-box .x { border: 0; background: none; font-size: 24px; cursor: pointer; color: var(--ink-3); line-height: 1; }
#modal-c { padding: 20px 22px; }
.pie-modal { display: flex; justify-content: space-between; gap: 8px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--line); }
.pie-modal .der { display: flex; gap: 8px; margin-left: auto; }

#toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); z-index: 99; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.t-item { background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 10px; box-shadow: 0 8px 24px rgba(0,0,0,.2); max-width: 520px; }
.t-item.err { background: var(--bad); }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs button { border: 0; background: none; padding: 8px 12px; font: inherit; font-weight: 550; color: var(--ink-2); cursor: pointer; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button.on { color: var(--accent); border-color: var(--accent); }

.asiento { padding: 12px 18px; border-bottom: 1px solid var(--line); }
.asiento:last-child { border-bottom: 0; }
.asiento .t { display: flex; justify-content: space-between; margin-bottom: 6px; }
.asiento table { width: 100%; font-size: 13px; }
.asiento td { padding: 2px 0; }

@media (max-width: 1000px) {
  .side { position: static; width: auto; height: auto; }
  main { margin-left: 0; }
  .kpis { grid-template-columns: repeat(2, 1fr); }
  .grid2 { grid-template-columns: 1fr; }
  main { padding: 20px; }
}

/* IVA internacional */
.barra-oss { height: 8px; background: var(--bg); border-radius: 99px; overflow: hidden; margin: 12px 0 6px; }
.barra-oss span { display: block; height: 100%; background: var(--accent); border-radius: 99px; }
.barra-oss span.warn { background: var(--warn); }
.barra-oss span.bad { background: var(--bad); }
details.paises { margin-top: 16px; border: 1px solid var(--line); border-radius: var(--radius); padding: 10px 14px; }
details.paises summary { cursor: pointer; font-weight: 600; }
details.paises .tabla td { padding: 6px 10px; }
details.paises select { padding: 5px 8px; }
.tabla td.mono, .tabla .mono { white-space: nowrap; }
.tabla td { overflow-wrap: anywhere; }