:root{
  color-scheme:dark;
  --bg:#0f1216;
  --panel:#1a1f25;
  --panel-soft:#222831;
  --panel-hover:#262d36;
  --line:#2d3540;
  --line-soft:#232932;
  --text:#e8eef4;
  --text-strong:#ffffff;
  --muted:#9ba6b3;
  --accent:#f58b2b;
  --accent-hover:#ff9b43;
  --bad:#e8554b;
  --ok:#4ecb7e;
  --warn:#f1c64b;
  --info:#6cc1ea;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
/* Reserve space for the vertical scrollbar even when the page is short
 * enough not to need one.  Without this, navigating between a short page
 * (no scrollbar) and a long page (scrollbar) shifts everything ~15px to
 * the left, which feels jumpy.  scrollbar-gutter: stable is supported in
 * Chrome 94+, Firefox 97+, Safari 16+ — all modern browsers we care about. */
html{scrollbar-gutter:stable}
body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}

/* ── Top bar ─────────────────────────────────────────────── */
.top{display:flex;justify-content:space-between;align-items:center;gap:16px;background:#14181c;border-bottom:1px solid var(--line);padding:14px 22px}
.top strong{display:block;font-size:17px;font-weight:600;color:var(--text-strong)}
.top span{color:var(--muted);font-size:13px;margin-left:4px}
nav{display:flex;gap:4px;align-items:center}
nav a{color:#7bc8ea;text-decoration:none;padding:7px 12px;border-radius:6px;font-size:13px}
nav a:hover{background:var(--panel-hover)}
a{color:#7bc8ea;text-decoration:none}

/* ── Main layout ─────────────────────────────────────────── */
main{max-width:1200px;margin:0 auto;padding:22px}
h1,h2,h3,p{margin:0}
h1{font-size:22px;font-weight:600;color:var(--text-strong)}
h2{font-size:17px;font-weight:600;color:var(--text-strong)}
h3{font-size:13px;font-weight:600;color:var(--text)}

.section-bar{display:flex;justify-content:space-between;align-items:center;margin:26px 0 14px;gap:14px;flex-wrap:wrap}
.section-bar:first-of-type{margin-top:18px}
.section-bar .section-count{color:var(--muted);font-size:13px;font-weight:400;margin-left:6px}

/* ── Sticky section nav (scrollspy) ──────────────────────── */
.section-nav{position:sticky;top:0;z-index:50;background:rgba(15,18,22,.92);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--line);margin:18px -22px 0;padding:10px 22px;display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.section-nav .nav-btn{background:var(--panel-soft);border:1px solid var(--line);color:var(--text);padding:6px 14px;border-radius:6px;font-size:13px;font-weight:500;cursor:pointer;font-family:inherit;display:inline-flex;align-items:center;gap:6px;transition:all .12s;text-decoration:none}
.section-nav .nav-btn:hover{background:var(--panel-hover);border-color:#3d4754}
.section-nav .nav-btn.active{background:var(--accent);color:#1a1a1a;border-color:var(--accent);font-weight:600}
.section-nav .nav-btn .count{font-size:11px;opacity:.75;font-weight:600}
.section-nav .nav-btn.active .count{opacity:.85}
.section-nav .spacer{flex:1}

/* ── Customer search ─────────────────────────────────────── */
.customer-toolbar{display:flex;gap:10px;align-items:center;margin-bottom:12px;flex-wrap:wrap}
.customer-toolbar .search-wrap{flex:1;min-width:200px;position:relative}
.customer-toolbar input.search{background:var(--panel);border:1px solid var(--line);padding:8px 12px 8px 34px;font-size:13px;border-radius:6px;width:100%}
.customer-toolbar .search-wrap::before{content:"\1F50D";position:absolute;left:11px;top:50%;transform:translateY(-50%);font-size:13px;opacity:.5;pointer-events:none}
.customer-toolbar .filter-info{color:var(--muted);font-size:12px}

/* ── Buttons ─────────────────────────────────────────────── */
button,.button{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:6px;background:var(--accent);color:#1a1a1a;font-weight:600;font-size:13px;padding:8px 14px;cursor:pointer;font-family:inherit;transition:background .12s,border-color .12s;line-height:1}
button:hover{background:var(--accent-hover)}
button:disabled{opacity:.5;cursor:not-allowed}
button.secondary{background:var(--panel-soft);color:var(--text);border:1px solid var(--line)}
button.secondary:hover{background:var(--panel-hover);border-color:#3d4754}
button.danger{background:var(--bad);color:#fff}
button.danger:hover{background:#ef665d}
button.tiny{padding:5px 10px;font-size:12px}

/* ── Forms ───────────────────────────────────────────────── */
label{display:block;color:var(--muted);margin:12px 0 4px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
input,select,textarea{width:100%;border-radius:6px;border:1px solid var(--line);background:#11161b;color:var(--text);padding:9px 11px;font:inherit;font-size:13px}
input:focus,select:focus,textarea:focus{outline:0;border-color:var(--accent)}
input[type=checkbox]{width:auto;margin-right:6px;vertical-align:middle}

/* ── Notices ─────────────────────────────────────────────── */
.notice{background:rgba(78,203,126,.12);border:1px solid rgba(78,203,126,.35);color:#bff5d2;border-radius:6px;padding:10px 14px;margin-bottom:16px;font-size:13px}
.error{background:rgba(232,85,75,.12);border-color:rgba(232,85,75,.4);color:#ffd3d0}
.warn-banner{background:rgba(241,198,75,.1);border:1px solid rgba(241,198,75,.35);color:var(--warn);border-radius:6px;padding:12px 16px;margin-bottom:16px;display:flex;justify-content:space-between;align-items:center;gap:14px}

/* ── Helpers ─────────────────────────────────────────────── */
.muted{color:var(--muted)}
.mono{font-family:ui-monospace,"SF Mono",Consolas,"Liberation Mono",monospace}
.row{display:flex;gap:10px;align-items:center}
.row.between{justify-content:space-between}
.row.wrap{flex-wrap:wrap}
.tag{display:inline-block;padding:2px 8px;border-radius:4px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;line-height:1.45}
.tag.ok{background:rgba(78,203,126,.18);color:var(--ok)}
.tag.bad{background:rgba(232,85,75,.18);color:var(--bad)}
.tag.warn{background:rgba(241,198,75,.18);color:var(--warn)}
.tag.info{background:rgba(108,193,234,.18);color:var(--info)}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;vertical-align:middle;margin-right:8px}
.dot.ok{background:var(--ok);box-shadow:0 0 6px rgba(78,203,126,.55)}
.dot.bad{background:#5b6371}
.dot.warn{background:var(--warn)}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;border:1px solid var(--line);background:var(--panel-soft);font-size:12px;color:var(--text)}

/* ── Stat strip ──────────────────────────────────────────── */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr) auto;gap:12px;margin-bottom:18px;align-items:stretch}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:6px;min-width:0}
.stat .label{color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.stat .value{font-size:26px;font-weight:700;color:var(--text-strong);line-height:1}
.stat .value.warn{color:var(--warn)}
.stat .value.bad{color:var(--bad)}
.stat-strip .refresh-cell{display:flex;align-items:center;justify-content:center;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:0 14px}

/* ── Customer card ───────────────────────────────────────── */
.customer-list{display:flex;flex-direction:column;gap:6px}
.customer{background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden;transition:border-color .12s}
.customer:hover{border-color:#3a4350}
.customer.disabled{opacity:.55}
.customer.hidden{display:none}

.customer-head{padding:10px 14px;display:grid;grid-template-columns:14px minmax(0,1fr) auto auto auto;gap:16px;align-items:center;cursor:pointer;user-select:none}
.customer-head:hover{background:var(--panel-hover)}
.customer-head .toggle{font-size:11px;color:var(--muted);text-align:center;transition:transform .15s;line-height:1}
.customer.open .customer-head .toggle{transform:rotate(90deg)}
.customer-head .who{min-width:0;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.customer-head .name{font-weight:600;font-size:14px;color:var(--text-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.customer-head .email{color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.customer-head .customer-stats{display:flex;align-items:center;gap:14px;color:var(--muted);font-size:12px;white-space:nowrap}
.customer-head .customer-stats .stat-chip{display:inline-flex;align-items:center;gap:5px}
.customer-head .customer-stats strong{color:var(--text);font-weight:600}

.customer-head .balance-box{text-align:right;line-height:1.1}
.customer-head .balance-label{color:var(--muted);font-size:9px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.customer-head .balance{font-weight:700;font-size:15px;color:var(--text-strong);margin-top:2px}
.customer-head .balance.zero{color:var(--bad)}

.customer-body{display:none;border-top:1px solid var(--line);background:rgba(0,0,0,.15)}
.customer.open>.customer-body{display:block}

.cust-section{padding:14px 18px;border-bottom:1px solid var(--line-soft)}
.cust-section:last-child{border-bottom:0}
.cust-section .section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;gap:10px}

/* ── Device list inside customer ─────────────────────────── */
.device-list{display:flex;flex-direction:column;gap:8px}
.device-row{display:grid;grid-template-columns:1fr auto;gap:14px;align-items:center;background:var(--panel-soft);border:1px solid var(--line);border-radius:6px;padding:10px 12px}
.device-row .device-info{min-width:0}
.device-row .device-name{font-weight:600;color:var(--text-strong);font-size:13px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.device-row .device-id{font-family:ui-monospace,Consolas,monospace;font-size:11px;color:var(--muted);margin-top:3px}
.device-row .device-meta{color:var(--muted);font-size:11px;margin-top:5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.device-row .actions{display:flex;gap:6px;flex-shrink:0}

.empty{color:var(--muted);font-style:italic;padding:8px 0;font-size:12px}
.perm-list{display:flex;flex-wrap:wrap;gap:6px}

/* ── Permission pills (click to revoke) ─────────────────── */
/* Higher specificity than the generic `button` selector so these pills
 * stay visually distinct from the orange action buttons — they're an
 * interactive label, not a primary action.  Red-glow on hover signals
 * the click is destructive without needing an explicit warning icon. */
button.perm-pill{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:var(--panel-soft);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 12px;
  font:inherit;
  font-size:12px;
  font-weight:400;
  cursor:pointer;
  margin:0;
  line-height:1.3;
  transition:background .12s,border-color .12s,color .12s;
}
button.perm-pill:hover{
  background:rgba(232,85,75,.15);
  border-color:var(--bad);
  color:var(--bad);
}
button.perm-pill .perm-x{
  font-size:15px;
  opacity:.5;
  line-height:1;
  margin-left:2px;
}
button.perm-pill:hover .perm-x{opacity:1}

/* ── Operations feed ─────────────────────────────────────── */
.ops{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}
.op{display:grid;grid-template-columns:130px 1fr 90px;gap:14px;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line-soft);font-size:12px}
.op:last-child{border-bottom:0}
.op .when{color:var(--muted);font-size:11px}
.op .who{font-weight:600;color:var(--text);font-size:13px}
.op .what{color:var(--muted);margin-top:2px;font-size:11px}
.op .status{text-align:right;font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.4px}
.op .status.ok{color:var(--ok)}
.op .status.bad{color:var(--bad)}
.op .status.warn{color:var(--warn)}

/* ── Modal (<dialog>) ────────────────────────────────────── */
dialog.modal{padding:0;border:1px solid var(--line);border-radius:10px;background:var(--panel);color:var(--text);max-width:540px;width:calc(100% - 28px);box-shadow:0 24px 60px rgba(0,0,0,.65)}
dialog.modal::backdrop{background:rgba(5,8,12,.75)}
.modal-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal-head h3{font-size:15px;color:var(--text-strong)}
.modal-head .close{background:transparent;color:var(--muted);border:0;padding:4px 8px;font-size:18px;cursor:pointer;margin:0;line-height:1}
.modal-head .close:hover{color:var(--text);background:transparent}
.modal-body{padding:16px 18px}
.modal-body label:first-child{margin-top:0}
.modal-foot{padding:12px 18px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px;background:#14181d}
.modal-foot button{margin:0}
.hint{color:var(--muted);font-size:12px;margin-top:10px;line-height:1.45}

/* ── File catalog ────────────────────────────────────────── */
.file-list{display:flex;flex-direction:column;gap:6px}
.file-row{display:grid;grid-template-columns:minmax(0,2.2fr) 80px minmax(0,1.4fr) 100px 90px;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:10px 14px;font-size:12px}
.file-row .file-title{font-weight:600;color:var(--text-strong);font-size:13px}
.file-row .file-meta{color:var(--muted);font-size:11px;margin-top:2px}
.file-row .sha{font-family:ui-monospace,Consolas,monospace;color:var(--muted);font-size:10px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.file-row .file-date{color:var(--muted);font-size:11px}
.file-row .actions{text-align:right}

/* ── Tables ──────────────────────────────────────────────── */
table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--line);border-radius:6px;overflow:hidden}
th,td{padding:9px 12px;border-bottom:1px solid var(--line-soft);text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600;font-size:11px;text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:0}
.right{text-align:right}

/* ── Responsive ──────────────────────────────────────────── */
@media(max-width:960px){
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .stat-strip .refresh-cell{grid-column:span 2;padding:10px}
  .customer-head{grid-template-columns:14px 1fr auto;gap:10px;row-gap:6px}
  .customer-head .customer-stats{grid-column:2 / span 2;font-size:11px;gap:10px;flex-wrap:wrap}
  .customer-head .balance-box{grid-column:3;grid-row:1}
  .customer-head>button{grid-column:1 / -1}
  .file-row{grid-template-columns:1fr;gap:6px}
  .file-row .sha{font-size:9px}
  .op{grid-template-columns:1fr;gap:4px}
  .op .status{text-align:left}
  .section-nav{margin:14px -14px 0;padding:8px 14px}
}
@media(max-width:600px){
  .top{flex-direction:column;align-items:stretch;gap:12px}
  nav{display:grid;grid-template-columns:1fr 1fr}
  main{padding:14px}
}