/* FA Audit Energy — Factor Ahorro — Hoja de estilos corporativa */
:root {
  --primario:   #1a3a5c;
  --acento:     #e8a020;
  --acento2:    #f0c060;
  --fondo:      #f0f4f8;
  --superficie: #ffffff;
  --borde:      #d0dae6;
  --texto:      #1c2b3a;
  --texto-2:    #5a6a7a;
  --verde:      #1e8449;
  --rojo:       #c0392b;
  --naranja:    #e67e22;
  --sidebar-w:  240px;
  --topbar-h:   56px;
  --radio:      8px;
  --sombra:     0 2px 8px rgba(26,58,92,.10);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Segoe UI', system-ui, sans-serif;
             font-size: 14px; color: var(--texto); background: var(--fondo); }
a { color: var(--primario); text-decoration: none; }
a:hover { color: var(--acento); }

/* ── Layout ───────────────────────────────────────────────────────────── */
.layout { display: flex; height: 100vh; overflow: hidden; }
.main-wrap { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
.page-content { flex: 1; overflow-y: auto; padding: 1.5rem 2rem; }

/* ── Sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w); background: var(--primario); color: #e8edf2;
  display: flex; flex-direction: column; flex-shrink: 0;
  overflow-y: auto; transition: transform .25s;
}
.sidebar-brand {
  display: flex; align-items: center; gap: .6rem;
  padding: 1.2rem 1rem; border-bottom: 1px solid rgba(255,255,255,.1);
  font-weight: 700; font-size: 1rem; color: #fff;
}
.brand-icon { font-size: 1.3rem; }
.sidebar-nav { list-style: none; flex: 1; padding: .5rem 0; }
.sidebar-nav li a {
  display: flex; align-items: center; gap: .6rem;
  padding: .55rem 1.2rem; color: #b8ccd8;
  border-radius: 0; transition: background .15s, color .15s;
  font-size: .875rem;
}
.sidebar-nav li a:hover, .sidebar-nav li a.active {
  background: rgba(255,255,255,.12); color: #fff;
}
.sidebar-nav li a.active { border-left: 3px solid var(--acento); }
.nav-sep {
  padding: .8rem 1.2rem .3rem; font-size: .7rem;
  text-transform: uppercase; letter-spacing: .06em; color: rgba(255,255,255,.35);
}
.sidebar-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: .8rem 1rem; border-top: 1px solid rgba(255,255,255,.1);
}
.sidebar-user { display: flex; flex-direction: column; font-size: .8rem; color: #b8ccd8; }
.sidebar-user small { font-size: .7rem; opacity: .7; margin-top: 1px; }
.btn-logout { color: #b8ccd8; padding: .3rem; border-radius: 4px; }
.btn-logout:hover { color: var(--rojo); background: rgba(255,255,255,.08); }

/* ── Topbar ───────────────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h); background: var(--superficie); border-bottom: 1px solid var(--borde);
  display: flex; align-items: center; padding: 0 1.5rem; gap: 1rem; flex-shrink: 0;
  box-shadow: var(--sombra);
}
.topbar-title { font-weight: 600; font-size: 1rem; color: var(--primario); flex: 1; }
.topbar-right { display: flex; align-items: center; gap: 1rem; }
.badge-env {
  background: var(--acento); color: #fff; font-size: .65rem;
  padding: .2rem .5rem; border-radius: 20px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .04em;
}
.sidebar-toggle { background: none; border: none; cursor: pointer; color: var(--texto-2);
                   font-size: 1.1rem; display: none; }

/* ── Cards ────────────────────────────────────────────────────────────── */
.card {
  background: var(--superficie); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 1.25rem; box-shadow: var(--sombra);
  margin-bottom: 1.25rem;
}
.card-title { font-size: .9rem; font-weight: 700; color: var(--primario);
               margin-bottom: 1rem; padding-bottom: .5rem;
               border-bottom: 2px solid var(--acento); display: flex;
               align-items: center; gap: .5rem; }
.card-grid { display: grid; gap: 1.25rem; }
.card-grid-2 { grid-template-columns: repeat(2, 1fr); }
.card-grid-3 { grid-template-columns: repeat(3, 1fr); }
.card-grid-4 { grid-template-columns: repeat(4, 1fr); }

/* ── KPI Cards ────────────────────────────────────────────────────────── */
.kpi {
  background: var(--superficie); border: 1px solid var(--borde);
  border-radius: var(--radio); padding: 1.1rem 1.25rem;
  display: flex; flex-direction: column; gap: .3rem;
  box-shadow: var(--sombra); position: relative; overflow: hidden;
}
.kpi::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--acento);
}
.kpi.verde::before { background: var(--verde); }
.kpi.rojo::before  { background: var(--rojo); }
.kpi-label { font-size: .75rem; text-transform: uppercase; letter-spacing: .05em;
              color: var(--texto-2); font-weight: 600; }
.kpi-valor { font-size: 1.8rem; font-weight: 700; color: var(--primario); line-height: 1; }
.kpi-sub   { font-size: .75rem; color: var(--texto-2); }

/* ── Tablas ───────────────────────────────────────────────────────────── */
.tabla-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: .84rem; }
th { background: var(--primario); color: #fff; padding: .6rem .8rem;
     text-align: left; font-weight: 600; white-space: nowrap; }
td { padding: .55rem .8rem; border-bottom: 1px solid var(--borde);
     color: var(--texto); vertical-align: middle; }
tr:hover td { background: #f5f8fc; }
tr:last-child td { border-bottom: none; }

/* ── Badges de estado ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center; gap: .25rem;
  padding: .2rem .55rem; border-radius: 20px;
  font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .04em;
}
.badge-ok       { background: #d5f0e0; color: #155724; }
.badge-leve     { background: #fff3cd; color: #856404; }
.badge-media    { background: #fde8cc; color: #7a4012; }
.badge-grave    { background: #fcd8d8; color: #7b1c1c; }
.badge-critica  { background: #c0392b; color: #fff; }
.badge-ele      { background: #deeeff; color: #0c447c; }
.badge-gas      { background: #fde8cc; color: #7a4012; }
.badge-ambos    { background: #e8e4fd; color: #3c3489; }
.badge-info     { background: #d0eaf8; color: #0a4a7a; }

/* ── Formularios ──────────────────────────────────────────────────────── */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: .8rem; font-weight: 600;
               color: var(--primario); margin-bottom: .3rem; }
.form-control {
  width: 100%; padding: .5rem .75rem;
  border: 1px solid var(--borde); border-radius: var(--radio);
  font-size: .875rem; color: var(--texto); background: #fff;
  transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { outline: none; border-color: var(--primario);
                       box-shadow: 0 0 0 3px rgba(26,58,92,.12); }
.form-row { display: grid; gap: 1rem; }
.form-row-2 { grid-template-columns: repeat(2, 1fr); }
.form-row-3 { grid-template-columns: repeat(3, 1fr); }
.form-row-4 { grid-template-columns: repeat(4, 1fr); }
.form-sep { font-size: .75rem; font-weight: 700; color: var(--acento);
             text-transform: uppercase; letter-spacing: .06em;
             padding: .5rem 0 .2rem; border-top: 1px solid var(--borde);
             margin-top: .5rem; }

/* ── Botones ──────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .5rem 1.1rem; border-radius: var(--radio);
  font-size: .84rem; font-weight: 600; cursor: pointer;
  border: none; transition: background .15s, transform .1s;
}
.btn:active { transform: scale(.97); }
.btn-primary   { background: var(--primario); color: #fff; }
.btn-primary:hover { background: #0f2640; color: #fff; }
.btn-acento    { background: var(--acento); color: #fff; }
.btn-acento:hover { background: #c8880a; color: #fff; }
.btn-success   { background: var(--verde); color: #fff; }
.btn-danger    { background: var(--rojo); color: #fff; }
.btn-outline   { background: transparent; border: 1px solid var(--borde);
                 color: var(--texto); }
.btn-outline:hover { border-color: var(--primario); color: var(--primario); }
.btn-sm { padding: .3rem .7rem; font-size: .78rem; }
.btn-group { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ── Alerts ───────────────────────────────────────────────────────────── */
.alert {
  display: flex; align-items: center; gap: .6rem;
  padding: .75rem 1rem; border-radius: var(--radio); margin-bottom: 1rem;
  font-size: .875rem; font-weight: 500;
}
.alert-success { background: #d5f0e0; color: #155724; border-left: 4px solid var(--verde); }
.alert-danger  { background: #fcd8d8; color: #7b1c1c; border-left: 4px solid var(--rojo); }
.alert-info    { background: #d0eaf8; color: #0a4a7a; border-left: 4px solid #378add; }
.alert-warning { background: #fff3cd; color: #856404; border-left: 4px solid var(--acento); }

/* ── Auth layout ──────────────────────────────────────────────────────── */
.auth-wrap {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--primario) 0%, #0f2640 100%);
}
.auth-card {
  background: #fff; border-radius: 12px; padding: 2.5rem 2rem;
  width: 100%; max-width: 400px; box-shadow: 0 8px 32px rgba(0,0,0,.25);
}
.auth-logo { text-align: center; margin-bottom: 1.5rem; }
.auth-logo-text { font-size: 1.5rem; font-weight: 800; color: var(--primario); }
.auth-logo-sub  { font-size: .8rem; color: var(--texto-2); }
.auth-title { font-size: 1.1rem; font-weight: 700; color: var(--primario);
               text-align: center; margin-bottom: 1.5rem; }

/* ── Paginación ───────────────────────────────────────────────────────── */
.pagination { display: flex; gap: .4rem; align-items: center; margin-top: 1rem; }
.pagination a, .pagination span {
  padding: .3rem .7rem; border-radius: 6px; font-size: .8rem;
  border: 1px solid var(--borde); color: var(--texto);
}
.pagination a:hover { background: var(--primario); color: #fff; border-color: var(--primario); }
.pagination .current { background: var(--primario); color: #fff; border-color: var(--primario); }

/* ── Severidad ────────────────────────────────────────────────────────── */
.sev-ok      { color: var(--verde); font-weight: 700; }
.sev-leve    { color: #856404; font-weight: 700; }
.sev-media   { color: var(--naranja); font-weight: 700; }
.sev-grave   { color: var(--rojo); font-weight: 700; }
.sev-critica { color: var(--rojo); font-weight: 700; text-transform: uppercase; }

/* ── Loader ───────────────────────────────────────────────────────────── */
.loader { display: inline-block; width: 18px; height: 18px;
          border: 2px solid var(--borde); border-top-color: var(--primario);
          border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 200;
             transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-toggle { display: block; }
  .card-grid-4 { grid-template-columns: repeat(2,1fr); }
  .card-grid-3 { grid-template-columns: repeat(2,1fr); }
  .form-row-4 { grid-template-columns: repeat(2,1fr); }
  .form-row-3 { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 600px) {
  .page-content { padding: 1rem; }
  .card-grid-2, .card-grid-3, .card-grid-4 { grid-template-columns: 1fr; }
  .form-row-2, .form-row-3, .form-row-4 { grid-template-columns: 1fr; }
}