:root {
  --sonic-silver: hsl(0, 0%, 47%);
  --eerie-black: hsl(210, 11%, 15%);
  --light-gray: hsl(0, 0%, 83%);
  --marigold: hsl(39, 96%, 48%);
  --platinum: hsl(0, 0%, 90%);
  --white: hsl(0, 0%, 100%);
  --jet: hsl(0, 0%, 21%);
  --danger: hsl(4, 78%, 55%);
  --fuente: "Poppins", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: var(--fuente);
  background-color: hsl(0, 0%, 97%);
  color: var(--jet);
}

button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, select, textarea { font-family: inherit; }

/* ---------- Login ---------- */
.vista-login {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, var(--eerie-black), hsl(210, 11%, 8%));
}

.tarjeta-login {
  background: var(--white);
  padding: 40px 32px;
  border-radius: 16px;
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.4);
}

.tarjeta-login h1 { font-size: 2.4rem; color: var(--marigold); text-align: center; }
.tarjeta-login .subtitulo { text-align: center; color: var(--sonic-silver); margin-bottom: 18px; font-size: 1.3rem; }
.tarjeta-login label { font-size: 1.3rem; font-weight: 600; margin-top: 10px; }

.tarjeta-login input {
  padding: 11px 14px;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  font-size: 1.4rem;
  margin-top: 4px;
  transition: border-color 200ms ease, box-shadow 200ms ease;
}

.tarjeta-login input:focus {
  outline: none;
  border-color: var(--marigold);
  box-shadow: 0 0 0 3px hsla(39, 96%, 48%, 0.2);
}

.tarjeta-login .btn-primario { margin-top: 20px; }

/* ---------- Botones ---------- */
.btn-primario {
  background-color: var(--marigold);
  color: var(--white);
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: background-color 200ms ease, transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-primario:hover { background-color: hsl(39, 96%, 42%); }
.btn-primario:active { transform: scale(0.97); }

.btn-outline {
  background: transparent;
  color: var(--marigold);
  border: 1.5px solid var(--marigold);
  padding: 12px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1.4rem;
  transition: background-color 200ms ease, transform 150ms cubic-bezier(0.22, 1, 0.36, 1);
}
.btn-outline:hover { background-color: hsla(39, 96%, 48%, 0.08); }
.btn-outline:active { transform: scale(0.97); }

.btn-sm { padding: 8px 14px; font-size: 1.3rem; }

.btn-logout {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  color: hsl(0, 0%, 65%);
  padding: 12px;
  border-radius: 8px;
  font-size: 1.3rem;
  transition: background-color 200ms ease, color 200ms ease;
}
.btn-logout:hover { background-color: hsl(210, 11%, 22%); color: var(--white); }

.icono-accion {
  font-size: 1.8rem;
  color: var(--sonic-silver);
  transition: color 200ms ease, transform 150ms ease;
  padding: 4px;
}
.icono-accion:hover { color: var(--marigold); }
.icono-accion.peligro:hover { color: var(--danger); }
.icono-accion:active { transform: scale(0.9); }

/* ---------- Dashboard layout ---------- */
.dashboard { display: flex; min-height: 100vh; }

.sidebar-admin {
  width: 220px;
  background-color: var(--eerie-black);
  color: var(--white);
  display: flex;
  flex-direction: column;
  padding: 24px 16px;
  gap: 24px;
}
.sidebar-admin h2 { color: var(--marigold); font-size: 2rem; padding-left: 8px; }
.sidebar-admin nav { display: flex; flex-direction: column; gap: 4px; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px;
  border-radius: 8px;
  color: hsl(0, 0%, 75%);
  font-size: 1.4rem;
  text-align: left;
  transition: background-color 200ms ease, color 200ms ease;
}
.nav-item ion-icon { font-size: 1.8rem; }
.nav-item:hover { background-color: hsl(210, 11%, 22%); color: var(--white); }
.nav-item.is-active { background-color: var(--marigold); color: var(--white); }

.contenido-admin { flex: 1; padding: 32px 40px; overflow-y: auto; }

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.panel-header h3 { font-size: 2.2rem; }
.panel-header-acciones { display: flex; gap: 10px; align-items: center; }

#filtro-categoria {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--light-gray);
  font-size: 1.3rem;
}

/* ---------- Tabla ---------- */
.tabla-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: 12px;
}

.tabla-admin {
  width: 100%;
  min-width: 560px;
  border-collapse: collapse;
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}
.tabla-admin th {
  text-align: left;
  padding: 14px 16px;
  background-color: hsl(0, 0%, 96%);
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--sonic-silver);
}
.tabla-admin td {
  padding: 12px 16px;
  border-top: 1px solid hsl(0, 0%, 93%);
  font-size: 1.4rem;
}
.tabla-admin tr { transition: background-color 150ms ease; }
.tabla-admin tbody tr:hover { background-color: hsl(0, 0%, 98%); }

.miniatura-producto {
  width: 44px; height: 44px; border-radius: 8px; object-fit: cover; background: var(--platinum);
}

.badge-disponible, .badge-agotado {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 1.15rem;
  font-weight: 600;
}
.badge-disponible { background: hsl(142, 60%, 92%); color: hsl(142, 70%, 30%); }
.badge-agotado { background: hsl(0, 60%, 94%); color: hsl(0, 60%, 45%); }

/* ---------- Modales ---------- */
.modal {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.45);
  opacity: 0; visibility: hidden;
  transition: opacity 260ms ease, visibility 0s linear 260ms;
  z-index: 100;
}
.modal.is-open { opacity: 1; visibility: visible; transition: opacity 260ms ease; }

.modal-panel {
  background: var(--white);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  transform: scale(0.95) translateY(8px);
  opacity: 0;
  transition: transform 280ms cubic-bezier(0.22, 1, 0.36, 1), opacity 220ms ease;
}
.modal.is-open .modal-panel { transform: scale(1) translateY(0); opacity: 1; }
.modal-panel-sm { width: min(420px, calc(100vw - 40px)); max-height: 90vh; overflow-y: auto; }

.modal-panel h3 { margin-bottom: 16px; font-size: 1.9rem; }
.modal-panel label { display: block; font-size: 1.3rem; font-weight: 600; margin-top: 12px; margin-bottom: 4px; }
.modal-panel input[type="text"],
.modal-panel input[type="number"],
.modal-panel input[type="email"],
.modal-panel input[type="password"],
.modal-panel input[type="file"],
.modal-panel select,
.modal-panel textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--light-gray);
  border-radius: 8px;
  font-size: 1.35rem;
}
.modal-panel textarea { resize: vertical; }

.form-fila { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-disponible { display: flex; align-items: center; gap: 8px; margin-top: 14px; font-weight: 500; }
.check-disponible input { width: auto; }

.preview-imagen { margin-top: 10px; width: 100%; max-height: 140px; object-fit: cover; border-radius: 8px; }

.modal-acciones { display: flex; gap: 10px; margin-top: 22px; }
.modal-acciones button { flex: 1; }

.mensaje-error {
  color: var(--danger);
  font-size: 1.25rem;
  margin-top: 10px;
  background: hsl(0, 60%, 96%);
  padding: 8px 12px;
  border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
  .modal, .modal-panel { transition: opacity 150ms ease !important; transform: none !important; }
}

@media (max-width: 720px) {
  .dashboard { flex-direction: column; }
  .sidebar-admin { width: 100%; flex-direction: row; align-items: center; overflow-x: auto; }
  .sidebar-admin nav { flex-direction: row; }
  .btn-logout { margin-top: 0; margin-left: auto; }
  .contenido-admin { padding: 20px; }
  .form-fila { grid-template-columns: 1fr; }
}