:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1d2330;
  --muted: #6b7280;
  --border: #e3e6eb;
  --accent: #e2231a;
  --green-bg: #e7f6ec; --green: #1e7b3c;
  --amber-bg: #fff5e0; --amber: #9a6100;
  --red-bg: #fdecec; --red: #b42318;
  --grey-bg: #f0f1f3; --grey: #5b6270;
  --blue-bg: #e8f0fd; --blue: #1d4ed8;
}

* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
a { color: var(--blue); }
h1 { margin: 0; font-size: 20px; }
.muted { color: var(--muted); }
button { font: inherit; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--accent); background: var(--accent); color: #fff; cursor: pointer; }
button:disabled { opacity: .6; cursor: progress; }
button.secondary { background: var(--surface); color: var(--text); border-color: var(--border); }
input, select { font: inherit; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; background: var(--surface); color: var(--text); }

.topbar { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding: 14px 16px; background: var(--surface); border-bottom: 3px solid var(--accent); }
.topbar p { margin: 2px 0 0; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
main { padding: 16px; }

.counters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 12px; }
.counter { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.counter.active { outline: 2px solid var(--text); }
.c-READY { background: var(--green-bg); border-color: var(--green); }
.c-PARTIAL, .c-NOT_ACTIVATED, .c-LENOVO_ERROR, .c-NO_SERIAL { background: var(--amber-bg); }
.c-EXPIRED { background: var(--red-bg); }

.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { min-width: 260px; flex: 1 1 260px; max-width: 420px; }
.check { display: flex; gap: 6px; align-items: center; }

.table-wrap { overflow: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; }
#devices-wrap { height: 70vh; min-height: 300px; overflow-x: scroll; overflow-y: auto; }
.top-scroll { overflow-x: scroll; overflow-y: hidden; height: 16px; margin-bottom: 4px; }
.top-scroll > div { height: 1px; }

/* Barras de desplazamiento gruesas y siempre visibles */
.table-wrap, .top-scroll { scrollbar-width: auto; scrollbar-color: #9aa1ad #eef0f3; }
.table-wrap::-webkit-scrollbar, .top-scroll::-webkit-scrollbar { width: 14px; height: 14px; }
.table-wrap::-webkit-scrollbar-track, .top-scroll::-webkit-scrollbar-track { background: #eef0f3; border-radius: 7px; }
.table-wrap::-webkit-scrollbar-thumb, .top-scroll::-webkit-scrollbar-thumb { background: #9aa1ad; border-radius: 7px; border: 3px solid #eef0f3; }
.table-wrap::-webkit-scrollbar-thumb:hover, .top-scroll::-webkit-scrollbar-thumb:hover { background: #6b7280; }
#devices { font-size: 13px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; white-space: nowrap; }
th { position: sticky; top: 0; z-index: 1; background: #fafbfc; font-weight: 600; font-size: 12px; white-space: normal; min-width: 70px; vertical-align: bottom; box-shadow: inset 0 -1px var(--border); }
td.wrap { white-space: normal; min-width: 140px; max-width: 220px; }
th.sortable { cursor: pointer; user-select: none; }
th.sortable:hover { background: #f0f2f5; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.num.warn { color: var(--amber); font-weight: 600; }
td.num.neg { color: var(--red); font-weight: 600; }
td.center { text-align: center; }
.mono { font-family: ui-monospace, Consolas, monospace; }

tr.row-green { background: var(--green-bg); }
tr.row-green td:first-child { box-shadow: inset 4px 0 var(--green); }
tr.row-red td:first-child { box-shadow: inset 4px 0 var(--red); }
tr.row-amber td:first-child { box-shadow: inset 4px 0 var(--amber); }
tr.row-grey { color: var(--grey); }

.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.b-green { background: var(--green); color: #fff; }
.b-amber { background: var(--amber-bg); color: var(--amber); }
.b-red { background: var(--red-bg); color: var(--red); }
.b-grey { background: var(--grey-bg); color: var(--grey); }
.b-blue { background: var(--blue-bg); color: var(--blue); }
.b-none { background: var(--grey-bg); color: var(--muted); }

.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: 100%; max-width: 360px; background: var(--surface); padding: 28px; border-radius: 10px; border-top: 4px solid var(--accent); box-shadow: 0 4px 24px rgba(0,0,0,.06); display: grid; gap: 14px; }
.login-card p { margin: 0; }
.login-card label { display: grid; gap: 4px; font-weight: 600; }
.error { color: var(--red); }

.narrow { max-width: 760px; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 16px; margin-bottom: 16px; }
.panel h2 { margin: 0 0 12px; font-size: 16px; }
.panel .table-wrap { border: 0; }
.form-grid { display: grid; gap: 12px; max-width: 420px; }
.form-grid label { display: grid; gap: 4px; font-weight: 600; }
.form-grid label.check { display: flex; font-weight: normal; }
form.inline { display: inline; }
.notice { background: var(--green-bg); color: var(--green); padding: 10px 12px; border-radius: 6px; }
main > .error { background: var(--red-bg); padding: 10px 12px; border-radius: 6px; }

.progress-box { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; margin-bottom: 12px; }
.progress-box[hidden] { display: none; }
.progress { flex: 1 1 240px; height: 14px; background: #eef0f3; border-radius: 7px; overflow: hidden; }
.progress-bar { height: 100%; width: 0; background: var(--green); transition: width .4s ease; }