:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --text: #1f2a3c;
    --muted: #6b7789;
    --border: #e3e8ef;
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --dark: #2d3a4f;
    --success: #0f9d58;
    --success-bg: #e3f6ec;
    --warning: #b45309;
    --warning-bg: #fef3c7;
    --danger: #c62828;
    --danger-bg: #fdecec;
    --info: #1d6fb8;
    --info-bg: #e7f1fb;
    --radius: 12px;
    --shadow: 0 1px 2px rgba(16, 24, 40, .05);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 12.5px; background: #f1f4f8; padding: 1px 5px; border-radius: 4px; }
h1, h2, h3 { margin: 0 0 12px; line-height: 1.25; }
h2 { font-size: 17px; }
h3 { font-size: 15px; }

.container { max-width: 1240px; margin: 0 auto; padding: 0 20px; }
.main { padding-top: 24px; padding-bottom: 40px; }
.footer { color: var(--muted); font-size: 12px; padding-bottom: 24px; }

/* Barra superior */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; align-items: center; gap: 24px; min-height: 64px; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 18px; color: var(--dark); }
.brand span { color: var(--primary); font-weight: 600; }
.brand:hover { text-decoration: none; }
.brand-lg { font-size: 24px; margin-bottom: 16px; }
.mainnav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
.mainnav a { color: var(--text); padding: 8px 12px; border-radius: 8px; }
.mainnav a:hover { background: var(--bg); text-decoration: none; }
.mainnav a.active { background: var(--info-bg); color: var(--primary-dark); font-weight: 600; }
.nav-count { display: inline-block; min-width: 18px; padding: 0 6px; border-radius: 9px; background: var(--warning); color: #fff; font-size: 11px; text-align: center; margin-left: 4px; }
.topbar-user { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }

.hero { background: linear-gradient(110deg, #f3e8ff 0%, #f8fafc 45%, #d9f7fd 100%); border-bottom: 1px solid var(--border); }
.hero h1 { padding: 34px 0; font-size: 28px; margin: 0; }
.page-head h1 { font-size: 26px; margin-bottom: 20px; }
.crumbs { margin: 0 0 12px; }

/* Tarjetas */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 20px; box-shadow: var(--shadow); }
.card-flush { padding: 0; overflow-x: auto; }
.card-flush .empty { padding: 24px; }
.card-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 18px 20px 6px; flex-wrap: wrap; }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 14px 20px; border-top: 1px solid var(--border); flex-wrap: wrap; }
.card-pop { position: absolute; right: 0; top: 46px; width: 340px; z-index: 20; box-shadow: 0 12px 32px rgba(16, 24, 40, .15); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.grid-2.tight { gap: 10px; }
@media (max-width: 1100px) { .grid-3 { grid-template-columns: 1fr 1fr; } }
@media (max-width: 960px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 24px; }
@media (max-width: 960px) { .stats { grid-template-columns: repeat(2, 1fr); } }
.stat { border-radius: var(--radius); padding: 22px; color: #fff; display: flex; flex-direction: column; }
.stat:hover { text-decoration: none; filter: brightness(1.05); }
.stat strong { font-size: 30px; line-height: 1.1; }
.stat span { opacity: .92; font-weight: 500; }
.stat-blue { background: linear-gradient(120deg, #1e40af, #3b82f6); }
.stat-orange { background: linear-gradient(120deg, #d97706, #f59e0b); }
.stat-green { background: linear-gradient(120deg, #059669, #10b981); }
.stat-purple { background: linear-gradient(120deg, #7c3aed, #a78bfa); }

/* Tablas */
.table { width: 100%; border-collapse: collapse; }
.table th { text-align: left; font-weight: 600; font-size: 13px; color: var(--text); background: #f1f7fd; padding: 12px 14px; border-bottom: 1px solid var(--border); }
.table td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
.table tr:last-child td { border-bottom: 0; }
.table-compact td, .table-compact th { padding: 8px 10px; }
.table .right { text-align: right; }
.row-muted td { background: #fbfcfe; }
.thumb img { width: 36px; height: 36px; object-fit: cover; border-radius: 6px; }
.items-table .product-cell { min-width: 220px; }
.nowrap { white-space: nowrap; }

/* Badges */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: #eef1f5; color: var(--muted); border: 1px solid transparent; white-space: nowrap; vertical-align: middle; }
.badge-success { background: var(--success-bg); color: var(--success); }
.badge-warning { background: var(--warning-bg); color: var(--warning); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--info); }

/* Botones */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; }
.btn:hover { background: var(--bg); text-decoration: none; }
.btn[disabled] { opacity: .6; cursor: wait; }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-dark { background: var(--dark); border-color: var(--dark); color: #fff; }
.btn-dark:hover { background: #1f2937; }
.btn-danger-outline { color: var(--danger); border-color: #f3b4b4; }
.btn-link { border: 0; background: none; color: var(--primary); padding: 4px 6px; }
.btn-link:hover { background: none; text-decoration: underline; }
.btn-sm { padding: 4px 10px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; }
.text-danger { color: var(--danger) !important; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }
.inline { display: inline; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Formularios */
.stack { display: flex; flex-direction: column; gap: 12px; }
label { display: flex; flex-direction: column; gap: 4px; font-weight: 500; font-size: 13px; }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=number], input[type=search], select, textarea {
    font: inherit; padding: 9px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text); width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(37, 99, 235, .25); border-color: var(--primary); }
.switch-row { flex-direction: row; align-items: center; gap: 8px; font-weight: 500; }
.switch-row input { width: 18px; height: 18px; }
.policy-select { min-width: 130px; padding: 6px 10px; }
.policy-select.policy-auto { border-color: var(--success); }
.policy-select.policy-manual { border-color: var(--info); }

/* Barra de herramientas y pestañas */
.toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; position: relative; }
.toolbar .search { display: flex; gap: 8px; flex: 1; min-width: 240px; }
.toolbar .search input { max-width: 320px; }
.toolbar .search select { max-width: 200px; }
.tabs { display: flex; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 4px; }
.tabs a { padding: 6px 12px; border-radius: 7px; color: var(--text); }
.tabs a.active { background: var(--dark); color: #fff; }
.tabs a:hover { text-decoration: none; }
.tabs .count { opacity: .7; font-size: 12px; }
.dropdown-form { position: relative; }
.dropdown-form > summary { list-style: none; }
.dropdown-form > summary::-webkit-details-marker { display: none; }
details > summary { cursor: pointer; }

/* Alertas */
.alert { padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; border: 1px solid transparent; word-break: break-word; }
.alert-success { background: var(--success-bg); color: #075e36; border-color: #bfe8d2; }
.alert-error { background: var(--danger-bg); color: #8e1c1c; border-color: #f5c2c2; }
.alert-warning { background: var(--warning-bg); color: #7c3f06; border-color: #f7dc94; }
.alert-info { background: var(--info-bg); color: #164f86; border-color: #c4dcf4; }

/* Pares clave/valor */
.kv { display: grid; grid-template-columns: minmax(100px, 42%) 1fr; gap: 8px 12px; margin: 0 0 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }

/* Sitio */
.site-head { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-title { font-size: 20px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.key-box { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.key-box code { font-size: 14px; padding: 8px 10px; }

pre.code, textarea.code { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 8px; overflow-x: auto; font-size: 12.5px; white-space: pre-wrap; word-break: break-all; }
details.ctx pre { background: #f6f8fb; padding: 8px; border-radius: 6px; font-size: 12px; max-width: 640px; overflow-x: auto; }
details.ctx summary { color: var(--muted); font-size: 12px; }

.pager { display: flex; gap: 4px; flex-wrap: wrap; margin: 12px 0; }
.pager a, .pager span { padding: 4px 10px; border-radius: 6px; border: 1px solid var(--border); background: var(--surface); }
.pager .current { background: var(--dark); color: #fff; border-color: var(--dark); }

/* Selector de producto */
dialog.picker { border: 0; border-radius: var(--radius); padding: 0; width: min(640px, 94vw); box-shadow: 0 24px 60px rgba(16, 24, 40, .25); }
dialog.picker::backdrop { background: rgba(15, 23, 42, .45); }
.picker-inner { padding: 20px; display: flex; flex-direction: column; gap: 12px; }
.picker-results { list-style: none; margin: 0; padding: 0; max-height: 360px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; }
.picker-results li { padding: 10px 12px; border-bottom: 1px solid var(--border); cursor: pointer; }
.picker-results li:hover, .picker-results li:focus { background: var(--info-bg); outline: none; }
.picker-results li:last-child { border-bottom: 0; }
.picker-results .empty { cursor: default; color: var(--muted); }
.picker-actions { display: flex; justify-content: space-between; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 20px;
    background: linear-gradient(110deg, #f3e8ff 0%, #f8fafc 45%, #d9f7fd 100%); }
.login-box { background: var(--surface); padding: 32px; border-radius: 16px; width: 100%; max-width: 380px; box-shadow: 0 12px 40px rgba(16, 24, 40, .12); }
.login-box-wide { max-width: 640px; }
.login-box h1 { font-size: 20px; }

/* Tarjetas plegables */
.card-collapsible > summary { list-style: none; cursor: pointer; display: flex; align-items: center; gap: 8px; }
.card-collapsible > summary::-webkit-details-marker { display: none; }
.card-collapsible > summary::before { content: '▸'; color: var(--muted); transition: transform .15s; }
.card-collapsible[open] > summary::before { transform: rotate(90deg); }
.card-collapsible > summary h3 { margin: 0; }
.card-collapsible[open] > summary { margin-bottom: 12px; }

/* Logo */
.brand img { display: block; width: 40px; height: 40px; }
.brand-lg { display: flex; justify-content: center; }
.brand-lg img { width: 64px; height: 64px; }
.toolbar-text { flex: 1; margin: 0; min-width: 240px; }