:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2330; --muted: #6b7280; --border: #e3e6eb;
  --primary: #4f46e5; --primary-ink: #fff; --ok: #15803d; --ok-bg: #dcfce7;
  --warn: #92400e; --warn-bg: #fef3c7; --bad: #b91c1c; --bad-bg: #fee2e2;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.5; }
a { color: var(--primary); }
img { max-width: 100%; }
h1 { font-size: 1.6rem; margin: .4rem 0 1rem; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .6rem; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }

.topbar { background: var(--card); border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; min-height: 56px; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.nav { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.nav a { text-decoration: none; color: var(--text); }
.nav a:hover { color: var(--primary); }
.footer { color: var(--muted); font-size: .85rem; padding: 2rem 16px; text-align: center; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1.25rem; margin-bottom: 1rem; }
.narrow { max-width: 520px; margin-left: auto; margin-right: auto; }

.btn { display: inline-block; border: 1px solid var(--border); background: var(--card); color: var(--text); padding: .55rem 1rem; border-radius: 8px; font: inherit; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-ink); }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.btn:hover { filter: brightness(.95); }
button.link { background: none; border: 0; padding: 0; color: var(--primary); cursor: pointer; font: inherit; }

.form { display: grid; gap: .8rem; }
.form label { display: grid; gap: .25rem; font-size: .9rem; font-weight: 500; }
.form input, .form textarea, .form select, input[type=month] { font: inherit; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 8px; background: #fff; width: 100%; }
.form label.check { display: flex; align-items: center; gap: .5rem; }
.form label.check input { width: auto; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .8rem; }
.row-buttons { display: flex; gap: .6rem; flex-wrap: wrap; }
fieldset { border: 1px solid var(--border); border-radius: 8px; }
fieldset.delivery { display: grid; gap: .4rem; }
fieldset.delivery legend { font-size: .9rem; font-weight: 500; }
[hidden] { display: none !important; }

.alert { padding: .75rem 1rem; border-radius: 8px; margin-bottom: 1rem; }
.alert ul { margin: 0; padding-left: 1.2rem; }
.alert.ok { background: var(--ok-bg); color: var(--ok); }
.alert.error { background: var(--bad-bg); color: var(--bad); }
.alert.warn { background: var(--warn-bg); color: var(--warn); }
.alert.block { display: block; text-decoration: none; }

.badge { display: inline-block; font-size: .8rem; padding: .1rem .55rem; border-radius: 999px; }
.badge.ok { background: var(--ok-bg); color: var(--ok); }
.badge.off { background: #eceef1; color: var(--muted); }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 1rem; }
.product-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; text-decoration: none; color: var(--text); transition: transform .1s; }
.product-card:hover { transform: translateY(-2px); }
.thumb { aspect-ratio: 1; background: #eef0f3; display: flex; align-items: center; justify-content: center; color: var(--muted); }
.thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-card .info { padding: .75rem; display: grid; gap: .2rem; }
.price { color: var(--primary); font-weight: 700; }
.price.big { font-size: 1.6rem; margin: 0 0 .4rem; }

.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; align-items: start; }
.main-photo { width: 100%; aspect-ratio: 1; object-fit: contain; background: #fff; border: 1px solid var(--border); border-radius: 12px; }
.main-photo.empty { display: flex; align-items: center; justify-content: center; color: var(--muted); }
.thumbs { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: .6rem; }
.thumbs img { width: 72px; height: 72px; object-fit: cover; border-radius: 8px; border: 1px solid var(--border); cursor: pointer; }
.thumb-check { display: grid; gap: .2rem; font-size: .8rem; justify-items: center; }
.description { white-space: pre-line; margin: 1rem 0 1.5rem; }
.payment-info { white-space: pre-line; background: var(--bg); padding: .8rem; border-radius: 8px; }

.page-head { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; }
.page-head h1 { margin: 0; }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .8rem; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 1rem; display: grid; gap: .2rem; }
.stat span { color: var(--muted); font-size: .85rem; }
.stat strong { font-size: 1.35rem; }
.stat small { color: var(--muted); }
.stat.good strong { color: var(--ok); }

.table-wrap { overflow-x: auto; background: var(--card); border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: .92rem; }
th, td { padding: .6rem .75rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
thead th { background: #fafbfc; font-weight: 600; font-size: .82rem; color: var(--muted); white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
.num { text-align: right; white-space: nowrap; }
.pos { color: var(--ok); }
.neg { color: var(--bad); }
.mini { width: 44px; height: 44px; object-fit: cover; border-radius: 6px; }
.actions { white-space: nowrap; }
.actions a { margin-right: .6rem; }
table.kv th { width: 35%; color: var(--muted); font-weight: 500; background: none; }

.tabs { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: 1rem; }
.tabs a { padding: .4rem .9rem; border-radius: 999px; background: var(--card); border: 1px solid var(--border); text-decoration: none; color: var(--text); font-size: .9rem; }
.tabs a.active { background: var(--primary); border-color: var(--primary); color: #fff; }

.code { font-family: ui-monospace, Menlo, monospace; letter-spacing: .05em; }
.status { display: inline-block; padding: .25rem .8rem; border-radius: 999px; font-weight: 600; text-transform: capitalize; margin: 0 0 1rem; }
.status.pendiente { background: var(--warn-bg); color: var(--warn); }
.status.aprobado { background: var(--ok-bg); color: var(--ok); }
.status.rechazado, .status.cancelado { background: var(--bad-bg); color: var(--bad); }
.detail { display: grid; grid-template-columns: 1.2fr 1fr; gap: 1rem; align-items: start; }
.proof { max-height: 480px; border: 1px solid var(--border); border-radius: 8px; }
.danger-zone { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }

@media (max-width: 760px) {
  .product-layout, .detail { grid-template-columns: 1fr; gap: 1rem; }
}

.total-line { margin: 0; }
.status.liquidado { background: var(--ok-bg); color: var(--ok); }
.pay { font-size: .82rem; padding: .1rem .5rem; border-radius: 999px; white-space: nowrap; }
.pay.pendiente { background: var(--warn-bg); color: var(--warn); }
.pay.aprobado { background: var(--ok-bg); color: var(--ok); }
.pay.rechazado { background: var(--bad-bg); color: var(--bad); }
.pay-summary { display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; margin-bottom: .6rem; }
.pay-summary div { background: var(--bg); border-radius: 8px; padding: .6rem; display: grid; }
.pay-summary span { font-size: .78rem; color: var(--muted); }
.pay-summary strong { font-size: 1.1rem; }
.progress { height: 8px; background: var(--border); border-radius: 999px; overflow: hidden; margin-bottom: .8rem; }
.progress div { height: 100%; background: var(--ok); }
.count { background: var(--bad); color: #fff; border-radius: 999px; font-size: .75rem; padding: 0 .45rem; margin-left: .3rem; }
.inline-form { display: flex; gap: .4rem; flex-wrap: wrap; align-items: center; }
.inline-form input { padding: .3rem .5rem; border: 1px solid var(--border); border-radius: 6px; font: inherit; font-size: .85rem; }

.payment { border-top: 1px solid var(--border); padding: .7rem 0; }
.payment-head { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; margin-bottom: .3rem; }
.payment .proof { max-height: 260px; }
.actions form { display: inline; }

.chat { display: grid; gap: .8rem; }
.chat h1 { margin: 0; }
.narrow-chat { max-width: 760px; }
.chat-log { display: flex; flex-direction: column; gap: .6rem; max-height: 60vh; min-height: 200px; overflow-y: auto; padding: .8rem; background: var(--bg); border-radius: 8px; }
.msg { max-width: 80%; padding: .55rem .8rem; border-radius: 12px; background: var(--card); border: 1px solid var(--border); }
.msg.mine { align-self: flex-end; background: #eef2ff; border-color: #c7d2fe; }
.msg.theirs { align-self: flex-start; }
.msg-text { white-space: pre-wrap; overflow-wrap: anywhere; }
.msg-time { font-size: .72rem; color: var(--muted); margin-top: .2rem; }
.msg-about { display: block; font-size: .78rem; margin-bottom: .2rem; text-decoration: none; }
.msg-about-pick { margin: 0; }
.chat-form { display: grid; gap: .5rem; }
.chat-form textarea { font: inherit; padding: .55rem .7rem; border: 1px solid var(--border); border-radius: 8px; width: 100%; resize: vertical; }
.chat-actions { display: flex; justify-content: space-between; align-items: center; gap: .6rem; }
.inbox { background: var(--card); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; }
.inbox-item { display: block; padding: .8rem 1rem; border-bottom: 1px solid var(--border); text-decoration: none; color: var(--text); }
.inbox-item:last-child { border-bottom: 0; }
.inbox-item:hover { background: #fafbfc; }
.inbox-item.unread { background: #f5f7ff; }
.inbox-item.unread .inbox-preview { color: var(--text); font-weight: 500; }
.inbox-head { display: flex; align-items: center; gap: .4rem; flex-wrap: wrap; }
.inbox-date { margin-left: auto; }
.inbox-preview { color: var(--muted); margin-top: .2rem; overflow-wrap: anywhere; }
@media (max-width: 760px) { .msg { max-width: 92%; } }

details summary { cursor: pointer; color: var(--primary); margin: 1rem 0 .6rem; }
#correo .inline-form input { flex: 1; min-width: 200px; }
#correo h3 { font-size: 1rem; margin: 1.5rem 0 .6rem; }