@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&display=swap');

:root {
  --bg: #FBF6EA;
  --panel: #FFFFFF;
  --ink: #2E2416;
  --ink-soft: #6B6152;
  --corn: #D9A441;
  --corn-dark: #B9812A;
  --line: #E9E0CC;

  --ok: #3F8F5F;
  --ok-bg: #E7F3EA;
  --bajo: #C77B0E;
  --bajo-bg: #FCEFD8;
  --critico: #C23B34;
  --critico-bg: #FAE4E2;
  --agotado: #6B6152;
  --agotado-bg: #EDE8DC;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  padding-bottom: 40px;
}

h1, h2 {
  font-family: 'Space Grotesk', sans-serif;
  margin: 0;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 12px;
  max-width: 900px;
  margin: 0 auto;
}

.brand { display: flex; align-items: center; gap: 12px; }

.brand-mark {
  width: 42px; height: 42px;
  background: var(--corn);
  color: #fff;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
  font-size: 15px;
}

.brand h1 { font-size: 20px; font-weight: 700; }
.subtitle { margin: 0; font-size: 13px; color: var(--ink-soft); }

.btn {
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: transform .08s ease, opacity .15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--corn); color: #fff; }
.btn-primary:hover { background: var(--corn-dark); }
.btn-secondary { background: var(--line); color: var(--ink); }

.resumen {
  max-width: 900px;
  margin: 8px auto 4px;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.resumen-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.resumen-card .num { font-family: 'Space Grotesk', sans-serif; font-size: 22px; font-weight: 700; display: block; }
.resumen-card .lbl { font-size: 12px; color: var(--ink-soft); }
.resumen-card.critico .num { color: var(--critico); }
.resumen-card.bajo .num { color: var(--bajo); }
.resumen-card.agotado .num { color: var(--agotado); }
.resumen-card.ok .num { color: var(--ok); }

.buscador-wrap {
  max-width: 900px;
  margin: 14px auto 0;
  padding: 0 20px;
}
.buscador {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
  background: var(--panel);
  color: var(--ink);
}
.buscador:focus {
  outline: none;
  border-color: var(--corn);
}

.filtros {
  max-width: 900px;
  margin: 12px auto 0;
  padding: 0 20px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}
.filtro {
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink-soft);
  padding: 7px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.filtro.activo { background: var(--ink); color: #fff; border-color: var(--ink); }

.grid {
  max-width: 900px;
  margin: 16px auto;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 12px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 16px;
  position: relative;
  border-left: 5px solid var(--line);
}
.card.ok { border-left-color: var(--ok); }
.card.bajo { border-left-color: var(--bajo); }
.card.critico { border-left-color: var(--critico); }
.card.agotado { border-left-color: var(--agotado); }

.card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 8px; }
.card-nombre { font-weight: 600; font-size: 15px; }
.card-cat { font-size: 12px; color: var(--ink-soft); margin-top: 2px; }

.badge {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.bajo { background: var(--bajo-bg); color: var(--bajo); }
.badge.critico { background: var(--critico-bg); color: var(--critico); }
.badge.agotado { background: var(--agotado-bg); color: var(--agotado); }

.card-cantidad {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin: 14px 0 2px;
}
.card-cantidad span { font-size: 14px; font-weight: 500; color: var(--ink-soft); }
.card-minimo { font-size: 12px; color: var(--ink-soft); margin-bottom: 12px; }

.card-actions { display: flex; gap: 8px; }
.card-actions .btn { flex: 1; padding: 8px; font-size: 13px; }
.btn-entrada { background: var(--ok-bg); color: var(--ok); }
.btn-salida { background: var(--critico-bg); color: var(--critico); }
.btn-editar { background: transparent; color: var(--ink-soft); border: 1px solid var(--line); }
.btn-nivel { background: var(--corn); color: #fff; }
.btn-nivel:hover { background: var(--corn-dark); }

.nivel-opciones {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}
.nivel-opcion {
  padding: 14px;
  border-radius: 10px;
  border: 2px solid var(--line);
  background: var(--panel);
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
}
.nivel-opcion.nivel-alta { color: var(--ok); }
.nivel-opcion.nivel-media { color: var(--bajo); }
.nivel-opcion.nivel-baja { color: var(--critico); }
.nivel-opcion.nivel-agotado { color: var(--agotado); }
.nivel-opcion.activo { border-color: currentColor; background: rgba(0,0,0,0.03); }

.card-menu { display: flex; gap: 6px; margin-top: 8px; }

.btn-eliminar {
  width: 100%;
  margin-top: 8px;
  padding: 7px;
  font-size: 12px;
  background: transparent;
  color: var(--critico);
  border: none;
  text-decoration: underline;
}
.btn-eliminar:hover { opacity: 0.75; }

.vacio {
  text-align: center;
  color: var(--ink-soft);
  padding: 60px 20px;
  grid-column: 1 / -1;
}

/* Modales */
.modal-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(46, 36, 22, 0.45);
  align-items: center; justify-content: center;
  padding: 16px;
  z-index: 100;
}
.modal-overlay.visible { display: flex; }
.modal {
  background: #fff;
  border-radius: 14px;
  padding: 22px;
  width: 100%;
  max-width: 380px;
}
.modal h2 { font-size: 18px; margin-bottom: 14px; }
.modal-info { font-size: 13px; color: var(--ink-soft); margin: -8px 0 14px; }
.modal form label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--ink-soft);
  margin-bottom: 10px;
}
.modal form .row { display: flex; gap: 10px; }
.modal form .row label { flex: 1; }
.modal input, .modal select {
  width: 100%;
  margin-top: 5px;
  padding: 9px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  font-family: 'Inter', sans-serif;
}
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 6px; }
.error-text { color: var(--critico); font-size: 13px; min-height: 16px; }

.toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 13px;
  opacity: 0;
  pointer-events: none;
  transition: all .25s ease;
  z-index: 200;
}
.toast.visible { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 480px) {
  .resumen { grid-template-columns: repeat(2, 1fr); }
}