/* ================================================================
   Billar los petulantes — estilos mobile-first
   ================================================================ */
:root {
  --verde: #0f5132;
  --verde-claro: #157347;
  --ambar: #f0a500;
  --ambar-osc: #c98a00;
  --fondo: #f4f5f7;
  --tarjeta: #ffffff;
  --texto: #1f2933;
  --texto-suave: #616e7c;
  --borde: #e1e5ea;
  --rojo: #c0392b;
  --rojo-bg: #fdecea;
  --amarillo-bg: #fff6e0;
  --verde-bg: #e6f4ea;
  --azul: #2563eb;
  --radio: 12px;
  --sombra: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--fondo);
  color: var(--texto);
  font-size: 16px;
  line-height: 1.45;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--verde-claro); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Encabezado ---------- */
.topbar {
  background: var(--verde);
  color: #fff;
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .7rem 1rem;
  position: sticky;
  top: 0;
  z-index: 30;
  box-shadow: var(--sombra);
}
.topbar .brand {
  font-weight: 700;
  color: #fff;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: .4rem;
}
.topbar .brand .dot { color: var(--ambar); }
.topbar .spacer { flex: 1; }
.topbar .user { font-size: .82rem; opacity: .9; }
.menu-btn {
  background: rgba(255,255,255,.15);
  border: none;
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
  padding: .35rem .55rem;
  border-radius: 8px;
  cursor: pointer;
}

/* ---------- Navegación lateral (drawer) ---------- */
.nav {
  background: #0b3d26;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: 250px;
  transform: translateX(-100%);
  transition: transform .2s ease;
  z-index: 50;
  padding: 1rem 0;
  overflow-y: auto;
}
.nav.open { transform: translateX(0); }
.nav .nav-head {
  color: #fff; font-weight: 700; padding: .3rem 1.2rem 1rem;
  display: flex; justify-content: space-between; align-items: center;
}
.nav a {
  display: block;
  color: #d7e5dd;
  padding: .7rem 1.2rem;
  font-size: .95rem;
  border-left: 3px solid transparent;
}
.nav a:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.nav a.active { color: #fff; border-left-color: var(--ambar); background: rgba(240,165,0,.12); }
.nav .group-label {
  color: var(--ambar);
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 1rem 1.2rem .3rem;
}
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,.4);
  z-index: 40; display: none;
}
.overlay.show { display: block; }

/* ---------- Contenido ---------- */
.content { padding: 1rem; max-width: 960px; margin: 0 auto; }
h1 { font-size: 1.4rem; margin: .2rem 0 1rem; }
h2 { font-size: 1.1rem; margin: 1.2rem 0 .6rem; }
.muted { color: var(--texto-suave); }
.small { font-size: .85rem; }

/* ---------- Tarjetas ---------- */
.card {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1rem;
  box-shadow: var(--sombra);
  margin-bottom: 1rem;
}
.grid { display: grid; gap: .8rem; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ---------- Tarjetas de métrica ---------- */
.stat {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: .9rem 1rem;
  box-shadow: var(--sombra);
}
.stat .label { font-size: .78rem; color: var(--texto-suave); text-transform: uppercase; letter-spacing: .03em; }
.stat .value { font-size: 1.35rem; font-weight: 700; margin-top: .2rem; }
.stat.accent { background: linear-gradient(135deg, var(--verde), var(--verde-claro)); color: #fff; border: none; }
.stat.accent .label { color: rgba(255,255,255,.85); }
.stat.amber { background: linear-gradient(135deg, var(--ambar), var(--ambar-osc)); color: #fff; border: none; }
.stat.amber .label { color: rgba(255,255,255,.9); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  background: var(--verde-claro);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: .7rem 1.1rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn:hover { background: var(--verde); text-decoration: none; color: #fff; }
.btn.amber { background: var(--ambar); color: #3a2c00; }
.btn.amber:hover { background: var(--ambar-osc); color: #fff; }
.btn.ghost { background: transparent; color: var(--verde-claro); border: 1px solid var(--verde-claro); }
.btn.ghost:hover { background: var(--verde-bg); color: var(--verde); }
.btn.danger { background: var(--rojo); }
.btn.danger:hover { background: #96281b; }
.btn.block { width: 100%; }
.btn.lg { padding: 1rem; font-size: 1.1rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-row { display: flex; gap: .6rem; flex-wrap: wrap; }

/* ---------- Formularios ---------- */
form .field { margin-bottom: 1rem; }
label { display: block; font-weight: 600; margin-bottom: .3rem; font-size: .92rem; }
input, select, textarea {
  width: 100%;
  padding: .7rem .8rem;
  border: 1px solid var(--borde);
  border-radius: 10px;
  font-size: 1rem;
  font-family: inherit;
  background: #fff;
  color: var(--texto);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--verde-claro); border-color: var(--verde-claro); }
.help { font-size: .8rem; color: var(--texto-suave); margin-top: .25rem; }
.errorlist { color: var(--rojo); font-size: .85rem; list-style: none; padding: 0; margin: .3rem 0 0; }
.form-error { background: var(--rojo-bg); color: var(--rojo); padding: .6rem .8rem; border-radius: 8px; margin-bottom: 1rem; }

/* ---------- Mensajes ---------- */
.messages { list-style: none; padding: 0; margin: 0 0 1rem; }
.messages li { padding: .7rem 1rem; border-radius: 8px; margin-bottom: .5rem; font-size: .92rem; }
.messages .success { background: var(--verde-bg); color: var(--verde); }
.messages .error { background: var(--rojo-bg); color: var(--rojo); }
.messages .info, .messages .warning { background: var(--amarillo-bg); color: #8a6d00; }

/* ---------- Tablas ---------- */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radio); }
table { width: 100%; border-collapse: collapse; background: #fff; font-size: .9rem; }
th, td { padding: .6rem .7rem; text-align: left; border-bottom: 1px solid var(--borde); white-space: nowrap; }
th { background: #f0f2f4; font-size: .78rem; text-transform: uppercase; letter-spacing: .03em; color: var(--texto-suave); }
tr.void td { opacity: .5; text-decoration: line-through; }

/* ---------- Etiquetas (badges) ---------- */
.badge { display: inline-block; padding: .18rem .55rem; border-radius: 999px; font-size: .74rem; font-weight: 600; }
.badge.green { background: var(--verde-bg); color: var(--verde); }
.badge.amber { background: var(--amarillo-bg); color: #8a6d00; }
.badge.red { background: var(--rojo-bg); color: var(--rojo); }
.badge.gray { background: #eceff1; color: var(--texto-suave); }
.badge.blue { background: #e7efff; color: var(--azul); }

/* ---------- Alertas destacadas ---------- */
.alert { border-radius: var(--radio); padding: .9rem 1rem; margin-bottom: 1rem; border-left: 4px solid; }
.alert.urgent { background: var(--rojo-bg); border-color: var(--rojo); }
.alert.warn { background: var(--amarillo-bg); border-color: var(--ambar); }

/* ---------- Lista de renglones de venta ---------- */
.item-row { display: grid; grid-template-columns: 1fr 90px 40px; gap: .5rem; align-items: end; margin-bottom: .6rem; }
.item-row .rm { background: var(--rojo-bg); color: var(--rojo); border: none; border-radius: 8px; font-size: 1.2rem; cursor: pointer; height: 46px; }
.total-box { font-size: 1.6rem; font-weight: 800; color: var(--verde); text-align: right; }

/* thumbnails de fotos */
.thumbs { display: flex; gap: .5rem; flex-wrap: wrap; }
.thumbs img { width: 90px; height: 90px; object-fit: cover; border-radius: 8px; border: 1px solid var(--borde); }

/* ---------- Login ---------- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.2rem;
  background: linear-gradient(135deg, #0b3d26, #0f5132); }
.login-card { background: #fff; border-radius: 16px; padding: 1.8rem 1.5rem; width: 100%; max-width: 380px; box-shadow: 0 10px 30px rgba(0,0,0,.25); }
.login-card h1 { text-align: center; color: var(--verde); }
.login-card .sub { text-align: center; color: var(--texto-suave); margin-top: -.6rem; margin-bottom: 1.4rem; font-size: .9rem; }

/* ---------- Utilidades ---------- */
.flex { display: flex; align-items: center; gap: .5rem; }
.between { display: flex; align-items: center; justify-content: space-between; gap: .5rem; }
.mt { margin-top: 1rem; }
.mb0 { margin-bottom: 0; }
.right { text-align: right; }
.nowrap { white-space: nowrap; }

@media (min-width: 720px) {
  .nav { transform: none; position: sticky; height: 100vh; }
  .layout { display: grid; grid-template-columns: 250px 1fr; }
  .menu-btn { display: none; }
  .overlay { display: none !important; }
  .grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
}