:root {
  --azul: #0b5fa5;
  --azul-osc: #084578;
  --verde: #1a8f4c;
  --rojo: #c0392b;
  --gris-100: #f4f6f8;
  --gris-200: #e5e9ed;
  --gris-500: #6b7785;
  --gris-800: #1f2933;
  --radio: 14px;
  --sombra: 0 2px 10px rgba(15, 30, 50, .08);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--gris-100);
  color: var(--gris-800);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

.view { min-height: 100vh; }
.view[hidden] { display: none !important; }

.muted { color: var(--gris-500); }
.small { font-size: .82rem; }

/* ---------- Login / setup ---------- */
#view-login, #view-setup {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.card {
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 28px 24px;
  width: 100%;
  max-width: 380px;
}

.logo {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: block;
  margin: 0 auto 12px;
}

.card h1 {
  font-size: 1.3rem;
  text-align: center;
  margin: 0 0 4px;
}

.card > p.muted {
  text-align: center;
  margin-top: 0;
  margin-bottom: 20px;
}

form label {
  display: block;
  font-size: .85rem;
  color: var(--gris-500);
  margin-bottom: 14px;
}

form input[type="text"],
form input[type="password"],
form select {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 12px 14px;
  font-size: 1rem;
  border: 1px solid var(--gris-200);
  border-radius: 10px;
  background: #fff;
  color: var(--gris-800);
}

form input:focus, form select:focus {
  outline: none;
  border-color: var(--azul);
}

button {
  font-family: inherit;
  cursor: pointer;
}

form > button[type="submit"], .btn-primary {
  width: 100%;
  padding: 13px;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--azul);
  border: none;
  border-radius: 10px;
  margin-top: 4px;
}
form > button[type="submit"]:active, .btn-primary:active { background: var(--azul-osc); }

.error {
  color: var(--rojo);
  font-size: .85rem;
  min-height: 1.2em;
  margin: 10px 0 0;
}
.success {
  color: var(--verde);
  font-size: .9rem;
}

/* ---------- Topbar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  background: var(--azul);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-title { display: flex; flex-direction: column; line-height: 1.25; }
.topbar-title .muted { color: rgba(255,255,255,.8); }
.topbar-actions { display: flex; gap: 8px; }

.btn-ghost {
  background: rgba(255,255,255,.15);
  color: #fff;
  border: none;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: .85rem;
  text-decoration: none;
  display: inline-block;
}
.btn-danger {
  background: var(--rojo);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
}

/* ---------- Buscador ---------- */
.search-wrap {
  padding: 16px;
  max-width: 560px;
  margin: 0 auto;
}

.search-box { position: relative; }

#input-buscar {
  width: 100%;
  padding: 16px 16px;
  font-size: 1.1rem;
  border: 2px solid var(--gris-200);
  border-radius: 12px;
  background: #fff;
}
#input-buscar:focus { outline: none; border-color: var(--azul); }

.suggestions {
  list-style: none;
  margin: 6px 0 0;
  padding: 4px;
  background: #fff;
  border-radius: 12px;
  box-shadow: var(--sombra);
  position: absolute;
  width: 100%;
  z-index: 5;
  max-height: 60vh;
  overflow-y: auto;
}
.suggestions[hidden] { display: none; }
.suggestions li {
  padding: 12px 12px;
  border-radius: 8px;
  cursor: pointer;
}
.suggestions li:active, .suggestions li.active { background: var(--gris-100); }
.suggestions .sug-codigo { font-weight: 700; }
.suggestions .sug-desc {
  display: block;
  font-size: .82rem;
  color: var(--gris-500);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-card {
  margin-top: 20px;
  background: #fff;
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 20px;
}
.result-card[hidden] { display: none; }
.result-codigo { font-size: 1.15rem; font-weight: 700; }
.result-desc { color: var(--gris-500); font-size: .9rem; margin-top: 4px; margin-bottom: 16px; }

.result-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.result-metric {
  background: var(--gris-100);
  border-radius: 10px;
  padding: 12px 8px;
  text-align: center;
}
.result-metric .label {
  display: block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--gris-500);
  margin-bottom: 4px;
}
.result-metric .value {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  word-break: break-word;
}
.result-metric.stock-bajo .value { color: var(--rojo); }
.result-metric.stock-ok .value { color: var(--verde); }

.result-metric-admin {
  background: #fff6e0;
  border: 1px solid #f0d78c;
}
.result-metric-admin .label { color: #8a6d1a; }

.empty-state {
  text-align: center;
  color: var(--gris-500);
  margin-top: 40px;
}