/* Fracc — lenguaje visual estilo IBM Carbon (white theme). Sin paquetes de Carbon. Heredado de kern.css. */
:root {
  --k-bg: #f4f4f4;
  --k-layer: #ffffff;
  --k-layer-hover: #e8e8e8;
  --k-border: #e0e0e0;
  --k-border-strong: #8d8d8d;
  --k-text: #161616;
  --k-text-secondary: #525252;
  --k-text-placeholder: #a8a8a8;
  --k-text-inverse: #ffffff;
  --k-interactive: #0f62fe;
  --k-interactive-hover: #0353e9;
  --k-danger: #da1e28;
  --k-danger-hover: #b81922;
  --k-success: #24a148;
  --k-warning: #f1c21b;
  --k-focus: #0f62fe;
  --k-font-sans: 'IBM Plex Sans', system-ui, sans-serif;
  --k-font-mono: 'IBM Plex Mono', ui-monospace, monospace;
  --k-header-h: 48px;
  --k-sidenav-w: 256px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--k-bg);
  color: var(--k-text);
  font-family: var(--k-font-sans);
  font-size: 14px;
  line-height: 1.4;
}
a { color: var(--k-interactive); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.k-header {
  position: fixed; inset: 0 0 auto 0; height: var(--k-header-h);
  background: #161616; color: var(--k-text-inverse);
  display: flex; align-items: center; gap: 16px; padding: 0 16px;
  z-index: 100;
}
.k-header__brand { color: #fff; font-weight: 600; letter-spacing: .02em; }
.k-header__brand span { font-weight: 300; }
.k-header__spacer { flex: 1; }
.k-header .k-select { background: #262626; color: #fff; border-color: #393939; max-width: 240px; }
.k-header__user { font-family: var(--k-font-mono); font-size: 12px; color: #c6c6c6; }
.k-header form { margin: 0; }
.k-header .k-btn--ghost { color: #fff; border-color: transparent; }
.k-header .k-btn--ghost:hover { background: #353535; }

/* Side nav */
.k-sidenav {
  position: fixed; top: var(--k-header-h); bottom: 0; left: 0; width: var(--k-sidenav-w);
  background: var(--k-layer); border-right: 1px solid var(--k-border);
  padding: 16px 0; overflow-y: auto;
}
.k-sidenav a {
  display: block; padding: 10px 16px; color: var(--k-text-secondary);
  border-left: 3px solid transparent; text-decoration: none;
}
.k-sidenav a:hover { background: var(--k-layer-hover); color: var(--k-text); }
.k-sidenav a.is-active { border-left-color: var(--k-interactive); color: var(--k-text); font-weight: 600; background: #e8e8e8; }
.k-sidenav__group { padding: 16px 16px 4px; font-family: var(--k-font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--k-text-placeholder); }

/* Main */
.k-main { margin: var(--k-header-h) 0 0 var(--k-sidenav-w); padding: 32px; min-height: calc(100vh - var(--k-header-h)); }
.k-page-title { font-size: 28px; font-weight: 400; margin: 0 0 24px; }
@media (max-width: 900px) {
  .k-sidenav { display: none; }
  .k-main { margin-left: 0; padding: 16px; }
}

/* Tablas densas */
.k-table { width: 100%; border-collapse: collapse; background: var(--k-layer); }
.k-table th {
  text-align: left; font-weight: 600; font-size: 13px;
  background: var(--k-layer-hover); padding: 12px 16px;
  border-bottom: 1px solid var(--k-border-strong);
}
.k-table td { padding: 10px 16px; border-bottom: 1px solid var(--k-border); }
.k-table tbody tr:hover { background: #f6f6f6; }
.k-table .is-numeric { text-align: right; font-family: var(--k-font-mono); font-variant-numeric: tabular-nums; }

/* Botones (rectos, estilo Carbon) */
.k-btn {
  display: inline-block; padding: 10px 16px; border: 1px solid transparent;
  font: inherit; font-size: 14px; cursor: pointer; text-decoration: none;
  background: transparent; color: var(--k-interactive); border-radius: 0;
}
.k-btn--primary { background: var(--k-interactive); color: #fff; }
.k-btn--primary:hover { background: var(--k-interactive-hover); }
.k-btn--secondary { background: #393939; color: #fff; }
.k-btn--danger { background: var(--k-danger); color: #fff; }
.k-btn--danger:hover { background: var(--k-danger-hover); }
.k-btn--ghost { border-color: var(--k-border-strong); color: var(--k-text); }
.k-btn:focus-visible { outline: 2px solid var(--k-focus); outline-offset: 1px; }
a.k-btn:hover { text-decoration: none; }

/* Formularios */
.k-field { margin-bottom: 20px; max-width: 480px; }
.k-field label { display: block; font-size: 12px; color: var(--k-text-secondary); margin-bottom: 6px; }
.k-input, .k-select, .k-textarea {
  width: 100%; padding: 10px 12px; font: inherit;
  background: var(--k-layer); color: var(--k-text);
  border: none; border-bottom: 1px solid var(--k-border-strong); border-radius: 0;
}
.k-input:focus, .k-select:focus, .k-textarea:focus { outline: 2px solid var(--k-focus); outline-offset: -2px; }
.k-field__error { color: var(--k-danger); font-size: 12px; margin-top: 4px; }
.k-field__help { color: var(--k-text-placeholder); font-size: 12px; margin-top: 4px; }

/* Tags y notificaciones */
.k-tag { display: inline-block; padding: 2px 10px; font-size: 12px; border-radius: 999px; background: #e0e0e0; color: var(--k-text); }
.k-tag--green { background: #a7f0ba; color: #044317; }
.k-tag--red { background: #ffd7d9; color: #750e13; }
.k-tag--blue { background: #d0e2ff; color: #002d9c; }
.k-notification {
  border-left: 3px solid var(--k-success); background: var(--k-layer);
  padding: 12px 16px; margin-bottom: 24px; max-width: 640px;
}
.k-notification--error { border-left-color: var(--k-danger); }
.k-notification--warning { border-left-color: var(--k-warning); }

/* Card / login */
.k-card { background: var(--k-layer); border: 1px solid var(--k-border); padding: 32px; }
.k-login { min-height: 100vh; display: grid; place-items: center; background: var(--k-bg); }
.k-login .k-card { width: min(400px, 92vw); }
.k-mono { font-family: var(--k-font-mono); }

/* Impresión: solo el contenido (estado de cuenta imprimible, spec §5) */
@media print {
    .k-header, .k-sidenav, .no-print { display: none !important; }
    .k-main { margin: 0; padding: 0; }
    body { background: #fff; }
}

/* ============================================================
   Portal del inquilino — "libro mayor industrial"
   Mismo lenguaje Carbon: tinta #161616, Plex Mono para dinero,
   esquinas rectas, grid 8px, un acento azul. Prefijo .p-
   ============================================================ */

.p-wrap { max-width: 880px; margin: 0 auto; }

/* Hero de tinta: el saldo manda */
.p-hero {
  background: #161616; color: #f4f4f4;
  padding: 32px 24px 0; margin: -24px -24px 0;
  position: relative; overflow: hidden;
}
.p-hero::after {
  content: ''; position: absolute; inset: auto 0 0 0; height: 3px;
  background: linear-gradient(90deg, var(--k-interactive) 0 33%, transparent 33%);
}
.p-hero__eyebrow {
  font-family: var(--k-font-mono); font-size: 11px; letter-spacing: .15em;
  text-transform: uppercase; color: #8d8d8d; margin: 0 0 4px;
  animation: p-rise .5s ease both;
}
.p-hero__title { font-size: 24px; font-weight: 300; margin: 0 0 24px; color: #fff; animation: p-rise .5s .05s ease both; }
.p-hero__title strong { font-weight: 600; }
.p-hero__grid { display: flex; flex-wrap: wrap; gap: 0; border-top: 1px solid #393939; }
.p-hero__cell {
  flex: 1 1 160px; padding: 16px 24px 24px 0; border-right: 1px solid #393939;
  margin-right: 24px; animation: p-rise .5s ease both;
}
.p-hero__cell:nth-child(2) { animation-delay: .08s; }
.p-hero__cell:nth-child(3) { animation-delay: .16s; }
.p-hero__cell:last-child { border-right: 0; margin-right: 0; }
.p-hero__label { font-family: var(--k-font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: #8d8d8d; margin: 0 0 6px; }
.p-hero__value { font-family: var(--k-font-mono); font-size: 28px; font-weight: 500; margin: 0; font-variant-numeric: tabular-nums; color: #fff; }
.p-hero__value--danger { color: #ff8389; }
.p-hero__value--ok { color: #42be65; }
.p-hero__sub { font-size: 12px; color: #a8a8a8; margin: 4px 0 0; }
@keyframes p-rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* Pestañas Carbon: subrayado que viaja */
.p-tabs {
  display: flex; margin: 0 -24px; padding: 0 24px; background: #161616;
  overflow-x: auto; scrollbar-width: none; position: sticky; top: var(--k-header-h); z-index: 50;
}
.p-tabs::-webkit-scrollbar { display: none; }
.p-tab {
  appearance: none; background: none; border: 0; border-bottom: 3px solid transparent;
  color: #a8a8a8; font: 600 14px var(--k-font-sans); padding: 14px 16px 11px;
  cursor: pointer; white-space: nowrap; display: flex; align-items: center; gap: 8px;
  transition: color .15s ease, border-color .15s ease;
}
.p-tab:hover { color: #fff; }
.p-tab[aria-selected="true"] { color: #fff; border-bottom-color: var(--k-interactive); }
.p-tab:focus-visible { outline: 2px solid var(--k-focus); outline-offset: -2px; }
.p-tab__badge {
  font-family: var(--k-font-mono); font-size: 11px; min-width: 18px; height: 18px;
  display: inline-flex; align-items: center; justify-content: center; padding: 0 5px;
  background: var(--k-interactive); color: #fff;
}
.p-tab__badge--alert { background: var(--k-danger); }

/* Paneles de pestaña con revelado */
.p-panel { display: none; padding: 24px 0 48px; }
.p-panel.is-active { display: block; animation: p-fade .25s ease both; }
@keyframes p-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Chips de filtro (mono, industriales) */
.p-chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 0 0 16px; }
.p-chip {
  appearance: none; cursor: pointer; background: var(--k-layer); border: 1px solid var(--k-border-strong);
  font: 500 11px var(--k-font-mono); letter-spacing: .08em; text-transform: uppercase;
  padding: 6px 12px; color: var(--k-text-secondary); transition: all .12s ease;
}
.p-chip:hover { border-color: var(--k-text); color: var(--k-text); }
.p-chip[aria-pressed="true"] { background: #161616; color: #fff; border-color: #161616; }

/* Ledger: tabla densa que se vuelve timeline en móvil */
.p-ledger { width: 100%; border-collapse: collapse; background: var(--k-layer); }
.p-ledger th {
  text-align: left; font-family: var(--k-font-mono); font-size: 11px; letter-spacing: .08em;
  text-transform: uppercase; color: var(--k-text-secondary); font-weight: 500;
  padding: 10px 12px; border-bottom: 1px solid var(--k-border-strong); background: var(--k-layer-hover);
}
.p-ledger td { padding: 10px 12px; border-bottom: 1px solid var(--k-border); vertical-align: top; }
.p-ledger tr:hover td { background: #f8f8f8; }
.p-ledger .is-num { text-align: right; font-family: var(--k-font-mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.p-ledger tr.is-hidden { display: none; }
.p-kind {
  display: inline-block; font-family: var(--k-font-mono); font-size: 10px; letter-spacing: .1em;
  text-transform: uppercase; padding: 2px 8px; border: 1px solid currentColor;
}
.p-kind--cargo { color: var(--k-text-secondary); }
.p-kind--pago { color: var(--k-success); }
.p-kind--mora, .p-kind--reverso { color: var(--k-danger); }
.p-kind--ajuste { color: var(--k-interactive); }

/* Antigüedad como barra segmentada */
.p-aging { margin: 24px 0 0; }
.p-aging__bar { display: flex; height: 12px; background: var(--k-layer-hover); overflow: hidden; }
.p-aging__seg { transition: flex-basis .6s ease; position: relative; }
.p-aging__seg--current { background: #a8a8a8; }
.p-aging__seg--d1_30 { background: #f1c21b; }
.p-aging__seg--d31_60 { background: #ff832b; }
.p-aging__seg--d61_90 { background: #da1e28; }
.p-aging__seg--d90_plus { background: #750e13; }
.p-aging__legend { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 10px; }
.p-aging__item { font-family: var(--k-font-mono); font-size: 11px; color: var(--k-text-secondary); display: flex; align-items: center; gap: 6px; }
.p-aging__dot { width: 10px; height: 10px; display: inline-block; }

/* Panel de acción colapsable */
.p-action { background: var(--k-layer); border: 1px solid var(--k-border); border-left: 3px solid var(--k-interactive); margin-bottom: 24px; }
.p-action__head {
  width: 100%; appearance: none; background: none; border: 0; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px; font: 600 15px var(--k-font-sans); color: var(--k-text); text-align: left;
}
.p-action__head:hover { background: #f8f8f8; }
.p-action__head::after {
  content: '+'; font: 300 24px/1 var(--k-font-mono); color: var(--k-interactive); transition: transform .2s ease;
}
.p-action[data-open] .p-action__head::after { content: '−'; }
.p-action__body { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .25s ease; }
.p-action[data-open] .p-action__body { grid-template-rows: 1fr; }
.p-action__inner { overflow: hidden; }
.p-action__content { padding: 0 16px 16px; }

/* Dropzone de archivos con preview */
.p-file { position: relative; border: 1px dashed var(--k-border-strong); padding: 16px; text-align: center; cursor: pointer; transition: border-color .15s, background .15s; }
.p-file:hover, .p-file.is-drag { border-color: var(--k-interactive); background: #f2f6ff; }
.p-file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.p-file__hint { font-size: 12px; color: var(--k-text-secondary); margin: 0; pointer-events: none; }
.p-file__hint strong { color: var(--k-interactive); }
.p-previews { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.p-previews img { width: 56px; height: 56px; object-fit: cover; border: 1px solid var(--k-border-strong); }
.p-previews .p-previews__file {
  font-family: var(--k-font-mono); font-size: 11px; padding: 4px 8px;
  background: var(--k-layer-hover); border: 1px solid var(--k-border); max-width: 200px;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; align-self: center;
}

/* Cards de reportes / avisos */
.p-item { background: var(--k-layer); border: 1px solid var(--k-border); padding: 16px; margin-bottom: 12px; display: flex; gap: 16px; align-items: flex-start; justify-content: space-between; flex-wrap: wrap; transition: border-color .15s ease; }
.p-item:hover { border-color: var(--k-border-strong); }
.p-item__main { flex: 1 1 260px; min-width: 0; }
.p-item__title { font-weight: 600; margin: 0 0 4px; }
.p-item__meta { font-family: var(--k-font-mono); font-size: 11px; color: var(--k-text-secondary); margin: 0; }
.p-item__amount { font-family: var(--k-font-mono); font-size: 18px; font-weight: 500; white-space: nowrap; }
.p-status { display: inline-block; font-family: var(--k-font-mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; padding: 3px 10px; }
.p-status--pendiente { background: #fff8e1; color: #8a6a00; border: 1px solid #f1c21b; }
.p-status--confirmado, .p-status--ok { background: #defbe6; color: #0e6027; border: 1px solid #24a148; }
.p-status--descartado, .p-status--alert { background: #fff1f1; color: #a2191f; border: 1px solid #da1e28; }
.p-status--info { background: #edf5ff; color: #0043ce; border: 1px solid #0f62fe; }
.p-empty { border: 1px dashed var(--k-border-strong); padding: 32px 16px; text-align: center; color: var(--k-text-secondary); }
.p-empty p { margin: 0 0 4px; }

/* Timeline móvil: el ledger se apila */
@media (max-width: 640px) {
  .p-hero { padding: 24px 16px 0; margin: -16px -16px 0; }
  .p-hero__value { font-size: 22px; }
  .p-hero__cell { padding-right: 16px; margin-right: 16px; }
  .p-tabs { margin: 0 -16px; padding: 0 8px; }
  .p-ledger thead { display: none; }
  .p-ledger, .p-ledger tbody, .p-ledger tr, .p-ledger td { display: block; width: 100%; }
  .p-ledger tr { border-left: 3px solid var(--k-border-strong); border-bottom: 1px solid var(--k-border); background: var(--k-layer); margin-bottom: 8px; padding: 8px 0; }
  .p-ledger tr[data-kind="pago"] { border-left-color: var(--k-success); }
  .p-ledger tr[data-kind="mora"], .p-ledger tr[data-kind="reverso"] { border-left-color: var(--k-danger); }
  .p-ledger tr[data-kind="ajuste"] { border-left-color: var(--k-interactive); }
  .p-ledger td { border: 0; padding: 2px 12px; }
  .p-ledger td[data-label]::before {
    content: attr(data-label); display: inline-block; width: 88px;
    font-family: var(--k-font-mono); font-size: 10px; letter-spacing: .08em;
    text-transform: uppercase; color: var(--k-text-placeholder);
  }
  .p-ledger .is-num { text-align: left; }
}

/* ── Chat interno (Fase 3): burbujas estilo WhatsApp, lenguaje Carbon ── */
.chat { display: flex; flex-direction: column; height: calc(100vh - var(--k-header-h) - 140px); max-width: 760px; background: var(--k-layer); border: 1px solid var(--k-border); }
.chat__scroll { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 8px; background: #fafafa; }
.chat__msg { max-width: 75%; align-self: flex-start; background: #fff; border: 1px solid var(--k-border); padding: 8px 12px; }
.chat__msg--mine { align-self: flex-end; background: #edf5ff; border-color: #d0e2ff; }
.chat__msg p { margin: 0 0 2px; white-space: pre-wrap; word-break: break-word; }
.chat__meta { display: block; font-family: var(--k-font-mono); font-size: 10px; color: var(--k-text-placeholder); text-align: right; }
.chat__composer { display: flex; align-items: center; gap: 8px; padding: 12px; border-top: 1px solid var(--k-border); background: var(--k-layer); }
.chat__composer input { flex: 1; }
.chat__empty { margin: auto; color: var(--k-text-secondary); text-align: center; }
.chat__attach { flex: 0 0 auto; padding: 6px 10px; font-size: 16px; line-height: 1; }
.chat__chip { flex: 0 1 auto; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--k-font-mono); font-size: 11px; background: #edf5ff; border: 1px solid #d0e2ff; padding: 4px 8px; cursor: pointer; }
.chat__chip::after { content: ' ✕'; color: var(--k-text-placeholder); }
.chat__img { display: block; max-width: 240px; max-height: 240px; margin: 4px 0; border: 1px solid var(--k-border); }
.chat__file { display: inline-block; margin: 4px 0 2px; font-size: 13px; background: #f4f4f4; border: 1px solid var(--k-border); padding: 6px 10px; text-decoration: none; color: inherit; word-break: break-all; }
.chat__file:hover { background: #e8e8e8; }
.chat__msg--mine .chat__file { background: #fff; }
@media (max-width: 640px) { .chat { height: calc(100vh - var(--k-header-h) - 96px); } }