:root {
  --verde:      #2f6b52;
  --verde-osc:  #24513f;
  --verde-claro:#e7f0ea;
  --crema:      #faf8f3;
  --tinta:      #22303a;
  --gris:       #6b7680;
  --gris-claro: #eef1f0;
  --borde:      #dfe4e2;
  --acento:     #c8683f;   /* terracota, cálido */
  --amarillo:   #b8860b;
  --rojo:       #b0413e;
  --radio:      12px;
  --sombra:     0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--crema); color: var(--tinta); font-size: 15px; line-height: 1.5;
}
a { color: var(--verde); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; background: var(--verde-osc); color: #fff; flex-shrink: 0;
  display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh;
}
.sidebar .brand {
  padding: 22px 20px 16px; font-size: 22px; font-weight: 700; letter-spacing: .3px;
  display: flex; align-items: center; gap: 8px;
}
.hamburger {
  display: none; margin-left: auto; background: rgba(255,255,255,.12); color: #fff;
  border: none; width: 38px; height: 38px; border-radius: 9px; font-size: 20px;
  cursor: pointer; align-items: center; justify-content: center;
}
.sidebar nav { display: flex; flex-direction: column; padding: 8px 10px; gap: 2px; overflow-y: auto; }
.sidebar nav a {
  color: #d8e6de; padding: 10px 14px; border-radius: 8px; font-size: 14.5px;
  display: flex; align-items: center; gap: 10px; text-decoration: none;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar nav a.active { background: var(--verde); color: #fff; font-weight: 600; }
.sidebar nav .sep { height: 1px; background: rgba(255,255,255,.12); margin: 8px 12px; }
.sidebar .foot { margin-top: auto; padding: 14px 18px; font-size: 12.5px; color: #9fb8ac; border-top: 1px solid rgba(255,255,255,.1); }

.main { flex: 1; min-width: 0; }
.topbar {
  background: #fff; border-bottom: 1px solid var(--borde); padding: 14px 28px;
  display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 5;
}
.topbar h1 { font-size: 19px; margin: 0; font-weight: 650; }
.topbar .user { font-size: 13.5px; color: var(--gris); }
.content { padding: 26px 28px 60px; max-width: 1240px; }

/* Cards / KPIs */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px,1fr)); gap: 16px; margin-bottom: 26px; }
.kpi {
  background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
  padding: 16px 18px; box-shadow: var(--sombra);
}
.kpi .label { font-size: 12.5px; color: var(--gris); text-transform: uppercase; letter-spacing: .4px; display:flex; align-items:center; gap:6px; }
.kpi .value { font-size: 26px; font-weight: 700; margin-top: 6px; color: var(--tinta); }
.kpi .sub { font-size: 12.5px; color: var(--gris); margin-top: 2px; }

.card {
  background: #fff; border: 1px solid var(--borde); border-radius: var(--radio);
  box-shadow: var(--sombra); margin-bottom: 24px; overflow: hidden;
}
.card > h2 { font-size: 16px; margin: 0; padding: 16px 20px; border-bottom: 1px solid var(--borde); display:flex; align-items:center; gap:8px; }
.card .card-body { padding: 4px 0; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; padding: 11px 16px; color: var(--gris); font-weight: 600;
  font-size: 12.5px; text-transform: uppercase; letter-spacing: .3px;
  border-bottom: 1px solid var(--borde); background: var(--gris-claro);
  position: sticky; top: 0;
}
tbody td { padding: 11px 16px; border-bottom: 1px solid var(--gris-claro); }
tbody tr:hover { background: #fbfdfc; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.tabla-wrap { overflow-x: auto; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px; background: var(--verde); color: #fff;
  border: none; padding: 9px 16px; border-radius: 9px; font-size: 14px; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--verde-osc); text-decoration: none; }
.btn.sec { background: #fff; color: var(--verde); border: 1px solid var(--borde); }
.btn.sec:hover { background: var(--verde-claro); }
.btn.small { padding: 6px 12px; font-size: 13px; }

/* Badges de estado — SIEMPRE con ícono + texto (daltónico-safe) */
.badge {
  display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 20px;
  font-size: 12.5px; font-weight: 600; border: 1.5px solid;
}
.badge.ok      { background: var(--verde-claro); color: var(--verde-osc); border-color: #9cc3ac; }
.badge.pend    { background: #fdf6e3; color: var(--amarillo); border-color: #e3c766; }
.badge.anulada { background: #f7e9e8; color: var(--rojo); border-color: #d9a3a1; }
.badge.neutro  { background: var(--gris-claro); color: var(--gris); border-color: var(--borde); }

/* Chips de canal / tipo */
.chip { display:inline-block; padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight:600;
        background: var(--gris-claro); color: var(--gris); }

/* Forms */
.form-card { background:#fff; border:1px solid var(--borde); border-radius:var(--radio); box-shadow:var(--sombra); padding:24px 26px; max-width:640px; }
.form-row { margin-bottom: 16px; }
.form-row label { display:block; font-size:13.5px; font-weight:600; margin-bottom:5px; color: var(--tinta); }
.form-row input, .form-row select, .form-row textarea {
  width:100%; padding:9px 11px; border:1px solid var(--borde); border-radius:8px; font-size:14.5px; font-family:inherit; background:#fff;
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline:none; border-color:var(--verde); box-shadow:0 0 0 3px rgba(47,107,82,.12); }
.form-row .hint { font-size:12.5px; color:var(--gris); margin-top:4px; }
.form-grid { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-actions { display:flex; gap:10px; margin-top:8px; }
.check-row { display:flex; align-items:center; gap:8px; }
.check-row input { width:auto; }

/* Flash */
.flash { padding:11px 16px; border-radius:9px; margin-bottom:16px; font-size:14px; font-weight:500; display:flex; align-items:center; gap:8px; }
.flash.ok { background: var(--verde-claro); color: var(--verde-osc); border:1px solid #9cc3ac; }
.flash.error { background:#f7e9e8; color:var(--rojo); border:1px solid #d9a3a1; }

.negativo { color: var(--rojo); font-weight: 600; }
.muted { color: var(--gris); }
.page-head { display:flex; align-items:center; justify-content:space-between; margin-bottom:18px; }
.page-head h1 { margin:0; font-size:22px; }
.filtros { display:flex; gap:8px; margin-bottom:18px; flex-wrap:wrap; }
.filtros a { padding:7px 14px; border-radius:8px; border:1px solid var(--borde); background:#fff; font-size:13.5px; color:var(--gris); }
.filtros a.active { background:var(--verde); color:#fff; border-color:var(--verde); }
.empty { padding:40px; text-align:center; color:var(--gris); }

/* Tooltips de ayuda (ícono i con explicación simple) */
.help {
  display: inline-flex; align-items: center; justify-content: center;
  width: 16px; height: 16px; border-radius: 50%; background: var(--gris-claro);
  color: var(--gris); font-size: 11px; font-weight: 700; font-style: normal;
  cursor: help; margin-left: 5px; position: relative; border: 1px solid var(--borde);
  vertical-align: middle; line-height: 1;
}
.help:hover { background: var(--verde); color: #fff; border-color: var(--verde); }
.help .tip {
  visibility: hidden; opacity: 0; position: absolute; bottom: 145%; left: 50%;
  transform: translateX(-50%); background: var(--tinta); color: #fff;
  padding: 10px 13px; border-radius: 9px; font-size: 12.5px; font-weight: 400;
  line-height: 1.5; width: 250px; z-index: 60; box-shadow: 0 6px 20px rgba(0,0,0,.22);
  transition: opacity .12s; text-align: left; pointer-events: none;
  text-transform: none; letter-spacing: normal; white-space: normal;
}
.help:hover .tip { visibility: visible; opacity: 1; }
.help .tip::after {
  content: ""; position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  border: 6px solid transparent; border-top-color: var(--tinta);
}
/* Variante alineada a la derecha (para columnas del borde derecho) */
.help.r .tip { left: auto; right: 0; transform: none; }
.help.r .tip::after { left: auto; right: 5px; transform: none; }

/* Banner de alerta (descuadres) */
.alerta {
  display: flex; align-items: center; gap: 12px; background: #fdf6e3;
  border: 1px solid #e3c766; color: #7a5c00; padding: 13px 18px;
  border-radius: var(--radio); margin-bottom: 20px; font-size: 14.5px;
}
.alerta .btn { margin-left: auto; }
.issue { border-left: 4px solid var(--amarillo); }
.issue.grave { border-left-color: var(--rojo); }

/* Login */
.login-wrap { min-height:100vh; display:flex; align-items:center; justify-content:center; background:var(--verde-osc); }
.login-card { background:#fff; border-radius:16px; padding:36px 34px; width:360px; box-shadow:0 10px 40px rgba(0,0,0,.2); }
.login-card .brand { font-size:30px; font-weight:700; color:var(--verde-osc); text-align:center; margin-bottom:4px; }
.login-card .tag { text-align:center; color:var(--gris); font-size:13.5px; margin-bottom:24px; }

/* ============ RESPONSIVE (móvil / tablet) ============ */
@media (max-width: 860px) {
  .layout { flex-direction: column; }

  .sidebar {
    width: 100%; height: auto; position: sticky; top: 0; z-index: 40;
    flex-direction: column;
  }
  .sidebar .brand { padding: 14px 16px; }
  .hamburger { display: inline-flex; }

  /* Nav y pie ocultos por defecto; se despliegan al abrir el menú */
  .sidebar nav,
  .sidebar .foot { display: none; }
  .sidebar.open nav { display: flex; }
  .sidebar.open .foot { display: block; margin-top: 6px; }
  .sidebar.open { max-height: 100vh; overflow-y: auto; box-shadow: 0 8px 20px rgba(0,0,0,.25); }

  .topbar { padding: 12px 16px; }
  .topbar h1 { font-size: 17px; }
  .content { padding: 18px 15px 48px; }

  /* Formularios a una sola columna */
  .form-grid { grid-template-columns: 1fr; }
  .form-card { padding: 18px 16px; max-width: 100%; }

  /* Encabezados de página que apilan título y botón */
  .page-head { flex-wrap: wrap; gap: 12px; }
  .page-head .btn, .page-head .kpi { width: 100%; }

  .alerta { flex-wrap: wrap; }
  .alerta .btn { margin-left: 0; }

  .kpi .value { font-size: 23px; }

  /* Tooltips más angostos y alineados para no salirse de pantalla */
  .help .tip { width: min(240px, 78vw); left: auto; right: 0; transform: none; }
  .help .tip::after { left: auto; right: 6px; transform: none; }

  /* Detalle de venta/guía: columnas apiladas */
  .content > div[style*="grid-template-columns"] { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .content { padding: 14px 12px 40px; }
  .kpi-grid { gap: 12px; }
  .btn { padding: 9px 13px; }
}