:root {
  --bg: #f4f6f8;
  --ink: #1a232b;
  --muted: #5d6b78;
  --card: #ffffff;
  --line: #d8e0e7;
  --brand: #0f7b6c;
  --brand-2: #15a08d;
  --accent: #f6b221;
  --danger: #b42828;
  --radius: 14px;
  --shadow: 0 12px 28px rgba(11, 36, 52, 0.08);
}

* { box-sizing: border-box; }
[x-cloak] { display: none !important; }
body {
  margin: 0;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  background:
    radial-gradient(1300px 500px at 90% -10%, rgba(21,160,141,0.18), transparent 70%),
    radial-gradient(900px 500px at -10% 0%, rgba(246,178,33,0.15), transparent 70%),
    var(--bg);
  color: var(--ink);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, 92vw); margin: 0 auto; }

.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(244,246,248,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px;
}
.brand {
  font-weight: 800; letter-spacing: .4px; font-size: 1.15rem;
}
.brand strong { color: var(--brand); }

.layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 20px;
  padding: 24px 0 36px;
}
.layout.filters-hidden {
  grid-template-columns: 1fr;
}

.panel, .card {
  background: var(--card);
  border-radius: var(--radius);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.panel { padding: 16px; }
.panel h3 { margin: 0 0 12px; font-size: 1rem; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.card { padding: 14px; display: flex; flex-direction: column; min-height: 290px; }
.card img {
  width: 100%; height: 140px; object-fit: cover;
  border-radius: 10px; border: 1px solid var(--line);
  background: #e8edf2;
}
.card h4 { margin: 10px 0 6px; font-size: 1rem; line-height: 1.3; }
.muted { color: var(--muted); font-size: .9rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border: 0; border-radius: 10px; padding: 10px 12px;
  cursor: pointer; font-weight: 700;
}
.btn-primary { background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; }
.btn-ghost { background: #edf3f7; color: var(--ink); border: 1px solid var(--line); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-whatsapp { background: #25d366; color: #fff; }
.btn-whatsapp:hover { background: #20bd5c; }

input, select, textarea {
  width: 100%; padding: 9px 10px; border-radius: 10px;
  border: 1px solid var(--line); background: #fff;
}
label { display: block; font-size: .85rem; margin-bottom: 6px; color: var(--muted); }
.field { margin-bottom: 10px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }

.cart-list { display: flex; flex-direction: column; gap: 10px; max-height: 360px; overflow: auto; }
.cart-item { border: 1px solid var(--line); border-radius: 10px; padding: 8px; background: #f8fbfd; }

.admin-shell { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.admin-nav {
  border-right: 1px solid var(--line);
  background: linear-gradient(180deg, #12313d 0%, #0f2430 100%);
  color: #d6e3ea;
  padding: 18px 12px;
}
.admin-nav a { display: block; padding: 10px; border-radius: 8px; margin-bottom: 8px; }
.admin-nav a:hover { background: rgba(255,255,255,0.08); }
.admin-main { padding: 20px; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 10px; border-bottom: 1px solid var(--line); font-size: .92rem; }
th { background: #eef4f7; }

.badge {
  display: inline-block; padding: 4px 8px; border-radius: 999px; font-size: .75rem; font-weight: 700;
  background: #e6f3f1; color: #0f7b6c;
}

.login-wrap { width: min(430px, 92vw); margin: 10vh auto; }
.error { color: var(--danger); font-size: .9rem; margin: 8px 0; }
.ok { color: #19763b; font-size: .9rem; margin: 8px 0; }

.sticker-stack {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 96;
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-end;
}
.sticker-stack-left {
  left: 18px;
  right: auto;
  align-items: flex-start;
}
.sticker-btn {
  border-radius: 999px;
  padding: 10px 14px;
  box-shadow: var(--shadow);
}
.sticker-btn-round {
  width: 46px;
  height: 46px;
  border-radius: 999px;
  padding: 0;
}
.sticker-icon {
  width: 20px;
  height: 20px;
  display: block;
}

.product-detail {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
.product-top {
  display: grid;
  grid-template-columns: minmax(340px, 560px) 1fr;
  gap: 24px;
  align-items: start;
}
.product-media {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  align-items: start;
}
.product-thumbs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 560px;
  overflow: auto;
}
.product-thumb {
  width: 78px;
  height: 78px;
  border-radius: 10px;
  padding: 0;
  overflow: hidden;
  border: 2px solid var(--line);
  background: #fff;
}
.product-visual-wrap {
  width: 100%;
  aspect-ratio: 4 / 4.6;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #eef4f7;
  box-shadow: var(--shadow);
}
.product-visual {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  background: #fff;
}

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { border-right: 0; border-bottom: 1px solid var(--line); }
  .product-top { grid-template-columns: 1fr; }
  .product-media { grid-template-columns: 1fr; }
  .product-thumbs {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
    overflow-y: hidden;
  }
  .product-thumb { flex: 0 0 78px; }
  .product-visual-wrap { aspect-ratio: 1 / 1; }
}