:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1d2129;
  --border: #2a2f3a;
  --text: #e6e9ef;
  --muted: #97a0b0;
  --accent: #76b900;        /* NVIDIA green */
  --accent-dim: #5a8c00;
  --ok: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --info: #58a6ff;
  --chip: #262b35;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body {
  font-family: -apple-system, "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
.hidden { display: none !important; }
code { background: var(--chip); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
a { color: var(--accent); }

/* ---------- Upload screen ---------- */
.upload-screen {
  min-height: 100%;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 18px; padding: 24px;
}
.upload-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 40px;
  width: min(560px, 92vw);
  text-align: center;
  box-shadow: 0 16px 48px rgba(0,0,0,.4);
}
.upload-card h1 { margin: 0 0 8px; font-size: 22px; }
.upload-card .sub { color: var(--muted); margin: 0 0 24px; line-height: 1.6; }
.dropzone {
  display: block; cursor: pointer;
  border: 2px dashed var(--border);
  border-radius: 12px; padding: 34px 18px;
  transition: border-color .15s, background .15s;
}
.dropzone:hover, .dropzone.drag { border-color: var(--accent); background: var(--panel-2); }
.dz-icon { font-size: 34px; color: var(--accent); }
.dz-text { margin-top: 10px; color: var(--muted); }
.dz-file { margin-top: 10px; color: var(--accent); font-weight: 600; word-break: break-all; }
.btn-primary {
  margin-top: 22px; width: 100%;
  background: var(--accent); color: #0b0e07; border: none;
  padding: 12px; border-radius: 9px; font-size: 15px; font-weight: 700;
  cursor: pointer; transition: background .15s, opacity .15s;
}
.btn-primary:hover { background: var(--accent-dim); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.upload-status { margin-top: 16px; min-height: 20px; color: var(--muted); }
.upload-status.error { color: var(--bad); }
.progress-label { margin-bottom: 8px; color: var(--text); font-size: 13px; }
.progress-track { width: 100%; height: 10px; background: var(--chip);
  border: 1px solid var(--border); border-radius: 6px; overflow: hidden; }
.progress-bar { width: 0; height: 100%; background: var(--accent);
  transition: width .15s ease; }
.upload-foot { color: var(--muted); font-size: 12px; }

/* ---------- Language toggle ---------- */
.lang-toggle {
  background: var(--chip); color: var(--text);
  border: 1px solid var(--border); border-radius: 7px;
  padding: 5px 12px; font-size: 12px; font-weight: 600; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--accent); }
.lang-toggle-float { position: fixed; top: 18px; right: 22px; z-index: 10; }
.brand-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

.spinner {
  display: inline-block; width: 15px; height: 15px; vertical-align: -2px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; margin-right: 8px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Viewer layout ---------- */
.viewer { display: flex; height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 16px 12px;
}
.brand { padding: 6px 10px 16px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.brand-title { font-weight: 800; color: var(--accent); letter-spacing: .4px; }
.brand-host { color: var(--muted); font-size: 12px; margin-top: 4px; word-break: break-all; }
.nav { display: flex; flex-direction: column; gap: 4px; overflow-y: auto; flex: 1; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 8px; cursor: pointer;
  color: var(--text); border: 1px solid transparent;
}
.nav-item:hover { background: var(--panel-2); }
.nav-item.active { background: var(--panel-2); border-color: var(--border); color: var(--accent); }
.nav-item .ico { width: 20px; text-align: center; }
.nav-item .badge {
  margin-left: auto; background: var(--bad); color: #fff;
  font-size: 11px; padding: 0 6px; border-radius: 10px; min-width: 18px; text-align: center;
}
.btn-ghost {
  margin-top: 12px; background: transparent; color: var(--muted);
  border: 1px solid var(--border); padding: 9px; border-radius: 8px; cursor: pointer;
}
.btn-ghost:hover { color: var(--text); border-color: var(--muted); }

.content { flex: 1; overflow-y: auto; padding: 28px 34px; }
.page-title { font-size: 22px; margin: 0 0 4px; }
.page-sub { color: var(--muted); margin: 0 0 22px; }

/* ---------- Cards / KV ---------- */
.cards { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.card { flex: 1 1 260px; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px 18px; }
/* 1.5x wider card (e.g. Firmware Overview, so uname fits in fewer lines) */
.card-wide { flex: 1.5 1 390px; }
.card h3 { margin: 0 0 12px; font-size: 14px; color: var(--accent); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 7px 16px; }
.kv dt { color: var(--muted); white-space: nowrap; }
.kv dd { margin: 0; word-break: break-all; text-align: right; }
.kv dt.bad-field, .kv dd.bad-field { color: var(--bad); font-weight: 700; }
.kv dt.warn-field, .kv dd.warn-field { color: var(--warn); font-weight: 700; }

/* NVLink topology matrix */
.topo-wrap { overflow-x: auto; margin-top: 4px; }
.topo-table { border-collapse: collapse; font-size: 12px; }
.topo-table th, .topo-table td {
  border: 1px solid var(--border, #30363d);
  padding: 3px 7px; text-align: center; white-space: nowrap;
}
.topo-table thead th, .topo-table tbody th { background: var(--chip); font-weight: 600; }
.topo-table td.topo-nv { background: rgba(63,185,80,.16); color: var(--ok); font-weight: 600; }
.topo-table td.topo-self { color: var(--muted); }
.topo-table td.topo-sys { background: rgba(210,153,34,.10); color: var(--warn); }

.stat-row { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 24px; }
.stat {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px;
  padding: 14px 18px; min-width: 120px;
}
.stat .num { font-size: 26px; font-weight: 800; }
.stat .lbl { color: var(--muted); font-size: 12px; margin-top: 2px; }
.stat.clickable-stat { cursor: pointer; }
.stat.clickable-stat:hover { border-color: var(--accent); }
.stat.ok .num { color: var(--ok); }
.stat.bad .num { color: var(--bad); }
.stat.warn .num { color: var(--warn); }

/* ---------- Tables ---------- */
.toolbar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.search {
  background: var(--panel-2); border: 1px solid var(--border); color: var(--text);
  padding: 9px 12px; border-radius: 8px; width: 280px; max-width: 60vw;
}
.search:focus { outline: none; border-color: var(--accent); }
.filter-chips { display: flex; gap: 6px; }
.chip {
  background: var(--chip); border: 1px solid var(--border); color: var(--muted);
  padding: 6px 11px; border-radius: 20px; cursor: pointer; font-size: 12px;
}
.chip.active { background: var(--accent); color: #0b0e07; border-color: var(--accent); font-weight: 700; }
.toggle-switch {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted); font-size: 12px; cursor: pointer; user-select: none;
}
.toggle-switch:hover { color: var(--text); }
.toggle-switch .toggle-cb { accent-color: var(--accent); cursor: pointer; }
.view-label { color: var(--muted); font-size: 13px; }

/* Alert banner (e.g. GPU Overheating) */
.alert { display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; border-radius: 10px; margin: 0 0 18px; }
.alert-bad { background: rgba(248,81,73,.12); border: 1px solid rgba(248,81,73,.45); }
.alert-warn { background: rgba(210,153,34,.12); border: 1px solid rgba(210,153,34,.45); }
.alert-title { font-weight: 800; }
.alert-bad .alert-title { color: var(--bad); }
.alert-warn .alert-title { color: var(--warn); }
.alert-items { display: flex; gap: 8px; flex-wrap: wrap; }
.tag.clickable { cursor: pointer; text-decoration: underline dotted; }
.tag.clickable:hover { filter: brightness(1.25); }

/* vertical alert list, one clickable line per event */
.alert-col { flex-direction: column; align-items: flex-start; }
.alert-list { display: flex; flex-direction: column; gap: 3px; width: 100%; }
.alert-line {
  cursor: pointer; font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12.5px; padding: 2px 8px; border-radius: 6px; white-space: nowrap;
}
.warn-line { color: var(--warn); }
.bad-line { color: var(--bad); }
.alert-line:hover { text-decoration: underline; }
.warn-line:hover { background: rgba(210,153,34,.18); }
.bad-line:hover { background: rgba(248,81,73,.18); }
.alert-line.static { cursor: default; }
.alert-line.static:hover { background: transparent; text-decoration: none; }
.alert-line.wrap { white-space: normal; word-break: break-all; }

/* row highlight when jumped to from an alert */
@keyframes rowflash {
  0%, 60% { background: rgba(118,185,0,.35); }
  100% { background: transparent; }
}
tr.flash td { animation: rowflash 2.2s ease-out; }
.count-note { color: var(--muted); font-size: 12px; margin-left: auto; }

.table-wrap { border: 1px solid var(--border); border-radius: 12px; overflow-x: auto; background: var(--panel); }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 9px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table.compact th, table.compact td { padding-top: 3px; padding-bottom: 3px; line-height: 1.35; }
th { background: var(--panel-2); color: var(--muted); font-weight: 600; position: sticky; top: 0; cursor: pointer; user-select: none; }
th:hover { color: var(--text); }
tbody tr:hover { background: var(--panel-2); }
tbody tr:last-child td { border-bottom: none; }
td.wrap, th.wrap { white-space: normal; }

/* One row per entry; long content scrolls horizontally via .table-wrap */
.nowrap-table td, .nowrap-table th { white-space: nowrap; }

/* Dispatch CE: encrypt-at-rest toggle row */
.ce-enc-row { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-weight: 600; }
.ce-enc-row input { width: 16px; height: 16px; }

/* Disk-usage (df) table: full width (like SMART); long device names wrap to 2-3 lines */
.df-narrow td.wrap { max-width: 230px; word-break: break-all; }
.mono { font-family: "Cascadia Code", Consolas, monospace; font-size: 12.5px; }

.row-bad { background: rgba(248,81,73,.08); }
.row-warn { background: rgba(210,153,34,.07); }
.row-bad:hover { background: rgba(248,81,73,.16); }
.row-warn:hover { background: rgba(210,153,34,.14); }

.tag { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.tag.ok { background: rgba(63,185,80,.16); color: var(--ok); }
.tag.bad { background: rgba(248,81,73,.16); color: var(--bad); }
.tag.warn { background: rgba(210,153,34,.16); color: var(--warn); }
.tag.na, .tag.info { background: var(--chip); color: var(--muted); }

details.raw { margin-top: 10px; }
details.raw summary { cursor: pointer; color: var(--muted); padding: 8px 0; }
.raw-pre {
  background: #0b0d11; border: 1px solid var(--border); border-radius: 8px;
  padding: 14px; overflow: auto; max-height: 420px; font-size: 12px; line-height: 1.5;
  font-family: "Cascadia Code", Consolas, monospace; white-space: pre;
}
/* line-addressable raw text (health, nvlink) so alerts can scroll/flash to a line */
.health-raw { max-height: 560px; }
.code-lines .cl-line { display: block; }
.code-lines .cl-bad { color: var(--bad); }
.flash-line { animation: rowflash 2.2s ease-out; border-radius: 4px; }
/* ---------- Dispatch CE form ---------- */
.ce-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin: 4px 0 6px; }
.ce-sel { min-width: 240px; }
.ce-btn { margin-top: 0; padding: 8px 14px; }
.ce-gen { width: auto; margin-top: 0; padding: 10px 22px; }
.ce-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 10px 16px; margin-bottom: 8px; }
.ce-field { display: flex; flex-direction: column; gap: 4px; }
.ce-field .ce-label { color: var(--muted); font-size: 12px; }
.ce-field .search { width: 100%; }
/* inputs placed inside a row within a field (e.g. ETA date+time) share the line */
.ce-field .ce-row { flex-wrap: nowrap; }
.ce-field .ce-row .search { width: auto; flex: 1 1 0; min-width: 0; }
.ce-output {
  width: 100%; margin-top: 12px; background: #0b0d11; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px; padding: 14px;
  font-family: "Cascadia Code", Consolas, monospace; font-size: 12.5px; line-height: 1.5;
  resize: vertical;
}
.ce-output:focus { outline: none; border-color: var(--accent); }
select.search { cursor: pointer; }

.empty { color: var(--muted); padding: 30px; text-align: center; }
.section-h { margin: 28px 0 12px; font-size: 16px; color: var(--accent); }