/* ============================================================
   SISTEMA DGII 606/607 - ESTILOS PRINCIPALES
   Aesthetic: Governmental-refined, industrial precision
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=IBM+Plex+Sans:wght@300;400;500;600;700&family=IBM+Plex+Sans+Condensed:wght@600;700&display=swap');

:root {
  --azul-dgii:    #003087;
  --azul-medio:   #0052cc;
  --azul-claro:   #e8eef8;
  --rojo-dgii:    #c0392b;
  --verde-ok:     #1a7a4a;
  --amarillo:     #d4881a;
  --gris-oscuro:  #1e2533;
  --gris-medio:   #4a5568;
  --gris-claro:   #e2e8f0;
  --blanco:       #ffffff;
  --fondo:        #f0f4f8;
  --borde:        #cbd5e0;
  --sombra:       0 2px 8px rgba(0,48,135,0.10);
  --sombra-lg:    0 8px 32px rgba(0,48,135,0.16);
  --radio:        4px;
  --radio-lg:     8px;
  --transicion:   0.18s ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 14px; scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--fondo);
  color: var(--gris-oscuro);
  min-height: 100vh;
  line-height: 1.55;
}

/* ── TOPBAR ── */
.topbar {
  background: var(--azul-dgii);
  color: #fff;
  height: 56px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 12px rgba(0,0,0,.25);
}
.topbar-brand {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: .03em;
  color: #fff;
  text-decoration: none;
  white-space: nowrap;
}
.topbar-brand span { color: #7eb3ff; }
.topbar-empresa {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: var(--radio);
  padding: 4px 12px;
  font-size: .8rem;
  color: #c8deff;
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.topbar-right { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.topbar-user { font-size: .82rem; color: #a8c4f0; }
.btn-topbar {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,.25);
  border-radius: var(--radio);
  padding: 5px 12px;
  font-size: .78rem;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transicion);
  font-family: inherit;
}
.btn-topbar:hover { background: rgba(255,255,255,.25); }

/* ── LAYOUT ── */
.layout { display: flex; min-height: calc(100vh - 56px); }

.sidebar {
  width: 220px;
  background: var(--gris-oscuro);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  padding: 16px 0;
  position: sticky;
  top: 56px;
  height: calc(100vh - 56px);
  overflow-y: auto;
}
.sidebar-section {
  padding: 8px 16px 4px;
  font-size: .68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: #6b7fa8;
  margin-top: 8px;
}
.sidebar a {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px;
  color: #a8b8d0;
  text-decoration: none;
  font-size: .84rem;
  border-left: 3px solid transparent;
  transition: all var(--transicion);
}
.sidebar a:hover, .sidebar a.active {
  background: rgba(255,255,255,.06);
  color: #fff;
  border-left-color: var(--azul-medio);
}
.sidebar a .icon { font-size: 1rem; width: 18px; text-align: center; }

.main-content {
  flex: 1;
  padding: 28px 32px;
  overflow: auto;
  max-width: 1400px;
}

/* ── CARDS ── */
.card {
  background: var(--blanco);
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra);
  overflow: hidden;
}
.card-header {
  background: var(--azul-dgii);
  color: #fff;
  padding: 14px 20px;
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.card-header.verde  { background: var(--verde-ok); }
.card-header.rojo   { background: var(--rojo-dgii); }
.card-header.gris   { background: var(--gris-medio); }
.card-body { padding: 20px; }
.card-footer { padding: 12px 20px; background: #f7faff; border-top: 1px solid var(--borde); }

/* ── PAGE TITLE ── */
.page-title {
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--azul-dgii);
  margin-bottom: 6px;
  letter-spacing: .01em;
}
.page-subtitle { color: var(--gris-medio); font-size: .88rem; margin-bottom: 24px; }

/* ── BOTONES ── */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radio);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: .84rem;
  font-weight: 500;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all var(--transicion);
  white-space: nowrap;
}
.btn-primary   { background: var(--azul-dgii); color: #fff; border-color: var(--azul-dgii); }
.btn-primary:hover { background: var(--azul-medio); }
.btn-success   { background: var(--verde-ok); color: #fff; border-color: var(--verde-ok); }
.btn-success:hover { filter: brightness(1.1); }
.btn-danger    { background: var(--rojo-dgii); color: #fff; border-color: var(--rojo-dgii); }
.btn-danger:hover  { filter: brightness(1.1); }
.btn-warning   { background: var(--amarillo); color: #fff; border-color: var(--amarillo); }
.btn-outline   { background: transparent; color: var(--azul-dgii); border-color: var(--azul-dgii); }
.btn-outline:hover { background: var(--azul-dgii); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: .78rem; }
.btn-lg { padding: 11px 22px; font-size: .95rem; }
.btn-block { width: 100%; justify-content: center; }

/* ── FORMULARIOS ── */
.form-group { margin-bottom: 16px; }
.form-label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--gris-medio);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-control {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  font-family: 'IBM Plex Sans', sans-serif;
  font-size: .88rem;
  color: var(--gris-oscuro);
  background: #fff;
  transition: border-color var(--transicion), box-shadow var(--transicion);
}
.form-control:focus {
  outline: none;
  border-color: var(--azul-medio);
  box-shadow: 0 0 0 3px rgba(0,82,204,.12);
}
.form-control.is-invalid { border-color: var(--rojo-dgii); }
.form-control.is-valid   { border-color: var(--verde-ok); }
.form-mono { font-family: 'IBM Plex Mono', monospace; letter-spacing: .05em; }
.form-row { display: grid; gap: 16px; }
.form-row.cols-2 { grid-template-columns: 1fr 1fr; }
.form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
.form-row.cols-4 { grid-template-columns: 1fr 1fr 1fr 1fr; }
.form-feedback { font-size: .76rem; margin-top: 3px; }
.form-feedback.error { color: var(--rojo-dgii); }
.form-feedback.success { color: var(--verde-ok); }

/* ── TABLA ── */
.table-wrapper { overflow-x: auto; }
table.dgii-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .82rem;
}
.dgii-table thead th {
  background: var(--azul-dgii);
  color: #fff;
  padding: 10px 12px;
  text-align: left;
  font-family: 'IBM Plex Sans Condensed', sans-serif;
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  white-space: nowrap;
  border: 1px solid rgba(255,255,255,.1);
}
.dgii-table tbody tr { border-bottom: 1px solid var(--gris-claro); transition: background var(--transicion); }
.dgii-table tbody tr:hover { background: var(--azul-claro); }
.dgii-table tbody td { padding: 9px 12px; vertical-align: middle; }
.dgii-table tfoot tr { background: var(--azul-claro); font-weight: 600; border-top: 2px solid var(--azul-dgii); }
.dgii-table .mono { font-family: 'IBM Plex Mono', monospace; font-size: .8rem; }
.dgii-table .num { text-align: right; font-family: 'IBM Plex Mono', monospace; }
.dgii-table .center { text-align: center; }

/* ── BADGES ── */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-size: .7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.badge-success { background: #d1f0e0; color: var(--verde-ok); }
.badge-danger  { background: #fde8e6; color: var(--rojo-dgii); }
.badge-warning { background: #fef3dc; color: var(--amarillo); }
.badge-info    { background: var(--azul-claro); color: var(--azul-dgii); }
.badge-ncf { background: #eef2ff; color: #3730a3; font-family: 'IBM Plex Mono', monospace; font-size: .72rem; }

/* ── ALERTAS ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--radio);
  border-left: 4px solid;
  font-size: .85rem;
  margin-bottom: 16px;
}
.alert-success { background: #d1fae5; border-color: var(--verde-ok); color: #0a4429; }
.alert-danger  { background: #fde8e6; border-color: var(--rojo-dgii); color: #5a0a07; }
.alert-warning { background: #fef3dc; border-color: var(--amarillo); color: #5a3800; }
.alert-info    { background: var(--azul-claro); border-color: var(--azul-dgii); color: var(--azul-dgii); }

/* ── STATS CARDS ── */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card {
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: 18px 20px;
  border-top: 3px solid var(--azul-dgii);
}
.stat-card.verde { border-top-color: var(--verde-ok); }
.stat-card.rojo  { border-top-color: var(--rojo-dgii); }
.stat-card.amari { border-top-color: var(--amarillo); }
.stat-label { font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .07em; color: var(--gris-medio); margin-bottom: 6px; }
.stat-value { font-family: 'IBM Plex Mono', monospace; font-size: 1.35rem; font-weight: 500; color: var(--gris-oscuro); }
.stat-sub { font-size: .75rem; color: var(--gris-medio); margin-top: 3px; }

/* ── TABS ── */
.tabs { display: flex; border-bottom: 2px solid var(--borde); margin-bottom: 20px; gap: 2px; }
.tab {
  padding: 10px 20px;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  background: none;
  color: var(--gris-medio);
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  font-family: inherit;
  transition: all var(--transicion);
}
.tab:hover { color: var(--azul-dgii); }
.tab.active { color: var(--azul-dgii); border-bottom-color: var(--azul-dgii); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* ── PRINT ── */
@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .main-content { padding: 0; max-width: none; }
  body { background: #fff; }
  .card { box-shadow: none; border: none; }
  .dgii-table thead th { background: #003087 !important; -webkit-print-color-adjust: exact; }
  .page-break { page-break-before: always; }
}

/* ── MODAL ── */
.modal-overlay {
  display: none; position: fixed; inset: 0;
  background: rgba(10,20,60,.6);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }
.modal-box {
  background: #fff;
  border-radius: var(--radio-lg);
  box-shadow: var(--sombra-lg);
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  animation: fadeSlide .2s ease;
}
@keyframes fadeSlide { from { opacity:0; transform: translateY(-20px); } }
.modal-header {
  background: var(--azul-dgii);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-weight: 700;
  font-family: 'IBM Plex Sans Condensed', sans-serif;
}
.modal-close { background: none; border: none; color: #fff; font-size: 1.3rem; cursor: pointer; }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--borde); display: flex; justify-content: flex-end; gap: 10px; }

/* ── VALIDACIÓN RNC INDICADOR ── */
.rnc-status { display: flex; align-items: center; gap: 6px; font-size: .78rem; margin-top: 3px; min-height: 18px; }
.rnc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--borde); flex-shrink: 0; }
.rnc-dot.valid { background: var(--verde-ok); }
.rnc-dot.invalid { background: var(--rojo-dgii); }

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  .sidebar { display: none; }
  .form-row.cols-3, .form-row.cols-4 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .main-content { padding: 16px; }
}

/* ── PERIODO SELECTOR ── */
.periodo-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  background: #fff;
  border: 1px solid var(--borde);
  border-radius: var(--radio-lg);
  padding: 12px 18px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.periodo-bar label { font-size: .78rem; font-weight: 600; color: var(--gris-medio); text-transform: uppercase; letter-spacing: .05em; }

/* ── IT1 SPECIFIC ── */
.it1-section { border-left: 4px solid var(--azul-dgii); padding-left: 16px; margin-bottom: 20px; }
.it1-section h4 { color: var(--azul-dgii); font-size: .9rem; font-weight: 700; margin-bottom: 10px; }
.it1-total { background: var(--azul-claro); border: 1px solid var(--azul-dgii); border-radius: var(--radio); padding: 10px 16px; display: flex; justify-content: space-between; align-items: center; }
.it1-total .label { font-size: .85rem; font-weight: 600; }
.it1-total .value { font-family: 'IBM Plex Mono', monospace; font-size: 1.1rem; font-weight: 600; color: var(--azul-dgii); }