:root {
  --bg: #f6f6f4;
  --surface: #ffffff;
  --surface-2: #eeeeea;
  --border: #d9d9d2;
  --text: #1b1b19;
  --muted: #6b6b64;
  --accent: #0b6b5f;
  --accent-text: #ffffff;
  --danger: #a8322a;
  --ok: #1f7a4d;
  --warn: #8a6316;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 8px 24px rgba(0, 0, 0, .06);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131315;
    --surface: #1c1c1f;
    --surface-2: #26262a;
    --border: #35353b;
    --text: #ececef;
    --muted: #9a9aa3;
    --accent: #2fb39c;
    --accent-text: #06231f;
    --danger: #e0776d;
    --ok: #63c48f;
    --warn: #d9ab52;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .35);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 20px; }

header.top {
  border-bottom: 1px solid var(--border);
  background: var(--surface);
  position: sticky; top: 0; z-index: 30;
}
header.top .wrap {
  display: flex; align-items: center; gap: 16px;
  min-height: 60px; flex-wrap: wrap;
}
header.top .brand {
  font-weight: 650; font-size: 17px; letter-spacing: -.01em;
  text-decoration: none; color: var(--text);
}
header.top nav { margin-left: auto; display: flex; gap: 14px; align-items: center; }
header.top nav a { text-decoration: none; color: var(--muted); font-size: 14px; }
header.top nav a:hover { color: var(--text); }

main { padding: 28px 0 120px; }

h1 { font-size: 27px; letter-spacing: -.02em; margin: 0 0 6px; }
h2 { font-size: 19px; letter-spacing: -.01em; margin: 32px 0 12px; }
.sub { color: var(--muted); margin: 0 0 24px; }

/* ------------------------------------------------------------- controles */

button, .btn {
  font: inherit; font-size: 14px; font-weight: 550;
  padding: 9px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  cursor: pointer; text-decoration: none; display: inline-block; line-height: 1.4;
}
button:hover, .btn:hover { border-color: var(--muted); }
button:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary, button.primary {
  background: var(--accent); color: var(--accent-text); border-color: transparent;
}
.btn-primary:hover, button.primary:hover { filter: brightness(1.08); border-color: transparent; }
button.danger { color: var(--danger); }
button.link {
  background: none; border: none; color: var(--accent); padding: 2px 4px; text-decoration: underline;
}

input, select, textarea {
  font: inherit; font-size: 14px;
  padding: 9px 11px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 0 0 5px; }
.field { margin-bottom: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1 1 180px; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px;
}

.msg { padding: 11px 14px; border-radius: 8px; font-size: 14px; margin: 0 0 16px; border: 1px solid var(--border); }
.msg.error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--border)); }
.msg.ok { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 40%, var(--border)); }
.msg.warn { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 40%, var(--border)); }
.msg:empty { display: none; }

.badge {
  display: inline-block; font-size: 12px; font-weight: 600;
  padding: 2px 8px; border-radius: 99px; border: 1px solid var(--border); color: var(--muted);
}
.badge.paid { color: var(--ok); border-color: color-mix(in srgb, var(--ok) 45%, var(--border)); }
.badge.pending { color: var(--warn); border-color: color-mix(in srgb, var(--warn) 45%, var(--border)); }
.badge.rejected, .badge.expired { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 45%, var(--border)); }

/* -------------------------------------------------------------- galerias */

.gallery-list { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.gallery-card {
  display: block; text-decoration: none; color: inherit;
  border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; background: var(--surface); box-shadow: var(--shadow);
}
.gallery-card:hover { border-color: var(--muted); }
.gallery-card .cover { aspect-ratio: 3 / 2; background: var(--surface-2); display: block; }
.gallery-card .cover img { width: 100%; height: 100%; object-fit: cover; display: block; }
.gallery-card .body { padding: 14px 16px 16px; }
.gallery-card .body strong { display: block; margin-bottom: 3px; }
.gallery-card .body span { color: var(--muted); font-size: 13px; }

/* ---------------------------------------------------------------- grilla */

.grid {
  display: grid; gap: 12px;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
}
.photo {
  position: relative; border-radius: var(--radius); overflow: hidden;
  background: var(--surface-2); border: 2px solid transparent; aspect-ratio: 1;
}
.photo.selected { border-color: var(--accent); }
.photo img { width: 100%; height: 100%; object-fit: cover; display: block; cursor: zoom-in; }
.photo .pick {
  position: absolute; inset: auto 8px 8px auto;
  display: flex; align-items: center; gap: 6px;
  background: rgba(20, 20, 22, .78); color: #fff;
  border: none; border-radius: 99px; padding: 6px 12px;
  font-size: 13px; font-weight: 600; cursor: pointer; backdrop-filter: blur(4px);
}
.photo.selected .pick { background: var(--accent); color: var(--accent-text); }
.photo .code {
  position: absolute; inset: 8px auto auto 8px;
  background: rgba(20, 20, 22, .68); color: #fff;
  border-radius: 6px; padding: 2px 7px; font-size: 11px; font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ barra carrito */

.cartbar {
  position: fixed; inset: auto 0 0 0; z-index: 40;
  background: var(--surface); border-top: 1px solid var(--border);
  box-shadow: 0 -6px 24px rgba(0, 0, 0, .12);
  transform: translateY(105%); transition: transform .18s ease;
}
.cartbar.show { transform: none; }
.cartbar .wrap { display: flex; align-items: center; gap: 16px; padding-top: 12px; padding-bottom: 12px; flex-wrap: wrap; }
.cartbar .count { font-weight: 600; }
.cartbar .total { color: var(--muted); }
.cartbar .spacer { flex: 1; }

/* -------------------------------------------------------------- lightbox */

.lightbox {
  position: fixed; inset: 0; z-index: 60;
  background: rgba(10, 10, 12, .93);
  display: none; align-items: center; justify-content: center; padding: 24px;
}
.lightbox.show { display: flex; }
.lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; }
.lightbox .close, .lightbox .nav {
  position: absolute; background: rgba(255, 255, 255, .12); color: #fff;
  border: none; border-radius: 99px; width: 44px; height: 44px; font-size: 20px; cursor: pointer;
}
.lightbox .close { top: 18px; right: 18px; }
.lightbox .nav.prev { left: 18px; top: 50%; transform: translateY(-50%); }
.lightbox .nav.next { right: 18px; top: 50%; transform: translateY(-50%); }
.lightbox .lb-actions {
  position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
  display: flex; gap: 12px; align-items: center;
}

/* ----------------------------------------------------------------- modal */

.modal { position: fixed; inset: 0; z-index: 70; background: rgba(10, 10, 12, .6); display: none; }
.modal.show { display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal .card { width: 100%; max-width: 440px; box-shadow: var(--shadow); }

/* ---------------------------------------------------------------- tablas */

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
.scroll-x { overflow-x: auto; }

.muted { color: var(--muted); }
.small { font-size: 13px; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12px; word-break: break-all; }
.stack { display: flex; flex-direction: column; gap: 10px; }
.inline { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.hidden { display: none !important; }