/* ==========================================================================
   Las Piscinas · Caspe — Panel de administración
   ========================================================================== */
:root {
  --burdeos: #7A2D2D;
  --burdeos-dark: #5E2121;
  --dorado: #C8A15A;
  --negro: #141312;
  --gris: #6E6A65;
  --gris-claro: #F6F4F1;
  --blanco: #FFFFFF;
  --border: rgba(20, 19, 18, .1);
  --shadow: 0 20px 60px rgba(20, 19, 18, .08);
  --font-title: "Playfair Display", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --radius: 14px;
  --ease: cubic-bezier(.22, .61, .21, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font-body); color: var(--negro); background: var(--gris-claro);
  min-height: 100vh; line-height: 1.6; -webkit-font-smoothing: antialiased;
}
img { display: block; }
button { font: inherit; cursor: pointer; }
input { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

.btn-primary, .btn-outline, .btn-ghost {
  padding: .7rem 1.4rem; border-radius: 100px; font-weight: 600; font-size: .88rem;
  border: none; transition: all .3s var(--ease); text-decoration: none; display: inline-flex; align-items: center; gap: .4rem;
}
.btn-primary { background: var(--burdeos); color: #fff; }
.btn-primary:hover { background: var(--burdeos-dark); transform: translateY(-2px); }
.btn-outline { background: var(--blanco); border: 1.5px solid var(--border); color: var(--negro); }
.btn-outline:hover { border-color: var(--burdeos); color: var(--burdeos); transform: translateY(-2px); }
.btn-outline--danger:hover { border-color: #B33; color: #B33; }
.btn-ghost { background: none; color: var(--gris); }
.btn-ghost:hover { color: var(--burdeos); }

/* ---------- Login ---------- */
.login[hidden], .panel[hidden] { display: none; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 1.5rem; }
.login__card {
  background: var(--blanco); border-radius: 24px; box-shadow: var(--shadow);
  padding: clamp(2rem, 5vw, 3.2rem); width: min(100%, 420px);
  display: grid; gap: .5rem; justify-items: stretch; text-align: center;
}
.login__logo { height: 46px; width: auto; margin: 0 auto 1rem; }
.login__title { font-family: var(--font-title); font-size: 1.6rem; font-weight: 600; }
.login__sub { color: var(--gris); font-size: .92rem; margin-bottom: 1.2rem; }
.login__label { text-align: left; font-size: .8rem; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; color: var(--gris); }
.login__input {
  border: 1.5px solid var(--border); border-radius: 12px; padding: .85rem 1.1rem;
  outline: none; margin-bottom: .9rem; transition: border-color .3s var(--ease);
}
.login__input:focus { border-color: var(--burdeos); }
.login__btn { justify-content: center; margin-top: .4rem; }
.login__error { color: #B33; font-size: .88rem; margin-top: .8rem; }
.login__back { margin-top: 1.4rem; color: var(--gris); font-size: .88rem; text-decoration: none; }
.login__back:hover { color: var(--burdeos); }

/* ---------- Panel ---------- */
.panel { max-width: 1100px; margin: 0 auto; padding: 1.5rem clamp(1rem, 4vw, 2.5rem) 4rem; }
.panel__header {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1.2rem 0; position: sticky; top: 0; z-index: 10;
  background: var(--gris-claro);
}
.panel__brand { display: flex; align-items: center; gap: 1rem; font-weight: 600; }
.panel__brand img { height: 34px; width: auto; }
.panel__actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }
.panel__notice {
  background: #FBF4E4; border: 1px solid rgba(200,161,90,.5); color: #6B5A33;
  border-radius: var(--radius); padding: .9rem 1.2rem; font-size: .88rem; margin-bottom: 1.6rem;
}
.panel__cats { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.4rem; }
.cat-tab {
  padding: .5rem 1.1rem; border-radius: 100px; font-size: .85rem; font-weight: 600;
  background: var(--blanco); border: 1.5px solid var(--border); color: var(--gris);
  transition: all .3s var(--ease);
}
.cat-tab:hover { border-color: var(--burdeos); color: var(--burdeos); }
.cat-tab.is-active { background: var(--burdeos); border-color: var(--burdeos); color: #fff; }

.panel__editor { background: var(--blanco); border-radius: 20px; box-shadow: var(--shadow); padding: clamp(1.2rem, 3vw, 2rem); }
.panel__cat-head { display: flex; flex-wrap: wrap; gap: .8rem; align-items: center; margin-bottom: 1.4rem; }
.panel__cat-name {
  flex: 1; min-width: 220px; font-family: var(--font-title); font-size: 1.5rem; font-weight: 600;
  border: none; border-bottom: 2px dashed transparent; outline: none; padding: .3rem .2rem;
  transition: border-color .3s var(--ease);
}
.panel__cat-name:focus { border-bottom-color: var(--dorado); }

.panel__items { display: grid; gap: .8rem; }
.item-row {
  display: grid; grid-template-columns: 1.2fr 1.6fr .5fr auto; gap: .7rem; align-items: center;
  background: var(--gris-claro); border-radius: var(--radius); padding: .8rem 1rem;
  animation: rowIn .35s var(--ease);
}
@keyframes rowIn { from { opacity: 0; transform: translateY(8px); } }
.item-row input {
  border: 1.5px solid transparent; background: var(--blanco); border-radius: 10px;
  padding: .6rem .8rem; outline: none; width: 100%;
  transition: border-color .3s var(--ease);
}
.item-row input:focus { border-color: var(--burdeos); }
.item-row__price { text-align: right; }
.item-row__delete {
  width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--border);
  background: var(--blanco); color: var(--gris); font-size: 1.1rem; line-height: 1;
  display: grid; place-items: center; transition: all .3s var(--ease);
}
.item-row__delete:hover { border-color: #B33; color: #B33; transform: rotate(90deg); }
.panel__add-item { margin-top: 1.2rem; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 1.6rem; left: 50%; transform: translateX(-50%);
  background: var(--negro); color: #fff; padding: .85rem 1.6rem; border-radius: 100px;
  font-size: .9rem; font-weight: 500; box-shadow: 0 14px 40px rgba(0,0,0,.3);
  animation: toastIn .4s var(--ease);
}
.toast--error { background: #8C2F2F; }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 14px); } }

@media (max-width: 720px) {
  .item-row { grid-template-columns: 1fr; gap: .5rem; }
  .item-row__price { text-align: left; }
  .item-row__delete { justify-self: end; }
  .panel__header { position: static; }
}