/* ============================================================
   AKMS KeyManagement — admin theme
   Identity: a dark "key vault" control room with a brushed-brass
   accent. Signature element: license serials engraved on metal
   key-tags. Boldness spent there; everything else stays quiet.
   ============================================================ */

:root {
  /* surfaces (low -> high elevation) */
  --ink:        #0f1217;   /* app background        */
  --ink-2:      #0a0c10;   /* sunken (inputs, wells) */
  --panel:      #161a21;   /* card surface          */
  --raised:     #1d222b;   /* raised / row hover    */
  --raised-2:   #242a35;   /* most raised           */

  /* lines */
  --border:      #272d39;  /* card & control borders */
  --border-soft: #1e232d;  /* inner dividers         */
  --border-bright:#333b49; /* emphasized edge        */

  /* ink on dark */
  --text:  #e9ebef;
  --muted: #98a0ae;
  --faint: #5f6878;

  /* brass — the one accent, used sparingly */
  --brass:        #d8a24a;
  --brass-soft:   #edc488;
  --brass-bright: #f3d59a;
  --brass-deep:   #9a6e28;

  /* support */
  --link:   #76aae2;
  --ok:     #54bd8a;
  --warn:   #e0a458;
  --danger: #e2706f;

  /* shape */
  --radius:    13px;
  --radius-sm: 9px;
  --radius-lg: 18px;

  /* depth */
  --shadow:    0 1px 0 rgba(255,255,255,.04) inset, 0 14px 34px -20px rgba(0,0,0,.7);
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --ring:      0 0 0 3px rgba(216,162,74,.20);

  /* type */
  --mono:    "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans:    "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Space Grotesk", var(--sans);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--ink);
  color: var(--text);
  font-size: 15px;
  line-height: 1.55;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ambient brass glow, fixed so it never scrolls into noise */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(820px 480px at 86% -10%, rgba(216,162,74,.08), transparent 62%),
    radial-gradient(680px 520px at -8% 108%, rgba(118,170,226,.045), transparent 58%);
}

a { color: var(--link); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 2px; }
::selection { background: rgba(216,162,74,.28); }

.eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--faint);
}

/* ============================================================
   Layout
   ============================================================ */
.shell { position: relative; z-index: 1; display: grid; grid-template-columns: 248px 1fr; min-height: 100vh; }

.sidebar {
  position: sticky; top: 0; height: 100vh;
  background: linear-gradient(180deg, #14181f, #0c0e13);
  border-right: 1px solid var(--border);
  padding: 22px 16px 18px;
  display: flex; flex-direction: column; gap: 3px;
}

.brand { display: flex; align-items: center; gap: 12px; padding: 4px 8px 22px; text-decoration: none; color: inherit; }
.brand:hover { text-decoration: none; }
.brand .glyph {
  width: 38px; height: 38px; border-radius: 11px; flex: none; display: grid; place-items: center;
  color: #19120a;
  background: linear-gradient(150deg, var(--brass-bright), var(--brass-deep));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.45), inset 0 -3px 5px rgba(0,0,0,.28),
    0 5px 14px -5px rgba(216,162,74,.55), 0 0 0 1px rgba(216,162,74,.32);
}
.brand .glyph svg { width: 20px; height: 20px; }
.brand b { font-family: var(--display); font-size: 16.5px; font-weight: 600; letter-spacing: .2px; line-height: 1.1; }
.brand small { display: block; color: var(--faint); font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; margin-top: 2px; }

.nav { display: flex; flex-direction: column; gap: 3px; }
.nav-label { padding: 6px 11px 8px; }
.nav a {
  position: relative; display: flex; align-items: center; gap: 11px;
  padding: 9px 11px; border-radius: var(--radius-sm);
  color: var(--muted); font-weight: 500; font-size: 14px;
  border: 1px solid transparent; transition: background .14s, color .14s, border-color .14s;
}
.nav a svg { width: 17px; height: 17px; opacity: .8; }
.nav a:hover { color: var(--text); background: var(--raised); text-decoration: none; }
.nav a.active {
  color: var(--brass-soft);
  background: linear-gradient(90deg, rgba(216,162,74,.12), rgba(216,162,74,.025));
  border-color: rgba(216,162,74,.18);
  box-shadow: inset 2px 0 0 var(--brass);
}
.nav a.active svg { opacity: 1; }
.nav .sep { height: 1px; background: var(--border-soft); margin: 12px 8px; }

.nav-logout {
  all: unset; cursor: pointer; box-sizing: border-box;
  display: flex; align-items: center; gap: 11px; width: 100%;
  padding: 9px 11px; border-radius: var(--radius-sm);
  color: var(--muted); font-size: 14px; font-weight: 500; transition: background .14s, color .14s;
}
.nav-logout:hover { color: var(--danger); background: rgba(226,112,111,.08); }
.nav-logout svg { width: 17px; height: 17px; opacity: .8; }

.side-foot { margin-top: auto; padding: 14px 11px 0; font-size: 11.5px; line-height: 1.6; color: var(--faint); }
.side-foot span { color: var(--brass); }

.main { padding: 34px 40px 72px; max-width: 1120px; width: 100%; }

/* ============================================================
   Page header
   ============================================================ */
.page-head {
  display: flex; align-items: flex-end; justify-content: space-between; gap: 18px;
  margin-bottom: 26px; padding-bottom: 20px; border-bottom: 1px solid var(--border-soft);
  flex-wrap: wrap;
}
.page-head h1 { font-family: var(--display); font-size: 25px; font-weight: 600; margin: 0; letter-spacing: .2px; }
.page-head p { margin: 6px 0 0; color: var(--muted); font-size: 13.5px; }

/* ============================================================
   Cards & grid
   ============================================================ */
.card {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow); padding: 22px;
}
.card + .card { margin-top: 18px; }
.card h2 {
  font-family: var(--display); font-size: 14px; font-weight: 600; letter-spacing: .02em;
  margin: 0 0 16px; display: flex; align-items: baseline; gap: 9px;
}
.card h2 .sub { color: var(--faint); font-weight: 500; font-size: 12px; font-family: var(--sans); }

.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

/* ============================================================
   Stat tiles
   ============================================================ */
.stats { display: grid; grid-template-columns: repeat(6, 1fr); gap: 13px; margin-bottom: 24px; }
.stat {
  position: relative; overflow: hidden;
  background: linear-gradient(180deg, var(--panel), #13171e);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 17px;
  box-shadow: var(--shadow-sm);
}
.stat::after {
  content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--faint); opacity: .5;
}
.stat .n { font-family: var(--mono); font-size: 27px; font-weight: 600; line-height: 1; letter-spacing: -.01em; }
.stat .l { color: var(--muted); font-size: 11px; text-transform: uppercase; letter-spacing: .11em; margin-top: 9px; font-weight: 500; }
.stat.accent::after { background: var(--brass); opacity: 1; }
.stat.accent .n { color: var(--brass-soft); }
.stat.good::after { background: var(--ok); opacity: 1; }
.stat.good .n { color: var(--ok); }
.stat.bad::after { background: var(--danger); opacity: 1; }
.stat.bad .n { color: var(--danger); }
.stat.warn::after { background: var(--warn); opacity: 1; }
.stat.warn .n { color: var(--warn); }

/* ============================================================
   Key-tag — the signature element (engraved metal tag)
   ============================================================ */
.keytag {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--mono); font-size: 13px; font-weight: 600; letter-spacing: .09em;
  padding: 7px 13px 7px 11px; border-radius: 9px; color: #f0f2f6;
  background: linear-gradient(180deg, #2b323e, #1b212a);
  border: 1px solid #333b49;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.08), inset 0 -1px 0 rgba(0,0,0,.35), 0 1px 2px rgba(0,0,0,.4);
  white-space: nowrap;
}
.keytag .dot {
  width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--faint);
  box-shadow: 0 0 0 2px rgba(0,0,0,.4), inset 0 1px 1px rgba(255,255,255,.25);
}
.keytag.s-active .dot  { background: var(--ok);     box-shadow: 0 0 0 2px rgba(0,0,0,.4), 0 0 9px rgba(84,189,138,.75); }
.keytag.s-revoked .dot { background: var(--danger); box-shadow: 0 0 0 2px rgba(0,0,0,.4), 0 0 9px rgba(226,112,111,.6); }
.keytag.s-expired .dot { background: var(--warn);   box-shadow: 0 0 0 2px rgba(0,0,0,.4), 0 0 9px rgba(224,164,88,.6); }
.keytag.lg { font-size: 17px; padding: 12px 18px; letter-spacing: .13em; border-radius: 11px; }
a:hover .keytag { border-color: var(--border-bright); }

/* ============================================================
   Pills / badges
   ============================================================ */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11px; font-weight: 600; letter-spacing: .03em; line-height: 1;
  padding: 5px 10px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--raised); color: var(--muted); text-transform: capitalize; white-space: nowrap;
}
.pill.ok    { color: var(--ok);     border-color: rgba(84,189,138,.38);  background: rgba(84,189,138,.1); }
.pill.bad   { color: var(--danger); border-color: rgba(226,112,111,.38); background: rgba(226,112,111,.1); }
.pill.warn  { color: var(--warn);   border-color: rgba(224,164,88,.38);  background: rgba(224,164,88,.1); }
.pill.brass { color: var(--brass-soft); border-color: rgba(216,162,74,.4); background: rgba(216,162,74,.1); }

/* ============================================================
   Tables
   ============================================================ */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--ink-2); }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; padding: 12px 16px; background: rgba(255,255,255,.012);
  color: var(--faint); font-size: 10.5px; text-transform: uppercase; letter-spacing: .11em; font-weight: 600;
  border-bottom: 1px solid var(--border);
}
tbody td { padding: 13px 16px; border-bottom: 1px solid var(--border-soft); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }
tbody tr { transition: background .12s; }
tbody tr:hover { background: rgba(255,255,255,.022); }
td.mono, .mono { font-family: var(--mono); }
.muted { color: var(--muted); }

.empty { text-align: center; color: var(--faint); padding: 44px 16px; }
.empty svg { width: 30px; height: 30px; opacity: .4; margin-bottom: 10px; }
.empty div { font-size: 13.5px; }

/* ============================================================
   Forms
   ============================================================ */
.field { margin-bottom: 17px; }
.field label { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 7px; letter-spacing: .01em; }
.field .hint { font-size: 12px; color: var(--faint); margin-top: 6px; line-height: 1.5; }
.field .hint code, .card code, .step-note code {
  font-family: var(--mono); font-size: .9em; color: var(--brass-soft);
  background: rgba(216,162,74,.09); padding: 1px 6px; border-radius: 5px;
}

input[type=text], input[type=email], input[type=password], input[type=number], input[type=search], select, textarea {
  width: 100%; padding: 11px 13px; font-size: 14px; font-family: var(--sans);
  background: var(--ink-2); color: var(--text); line-height: 1.4;
  border: 1px solid var(--border); border-radius: var(--radius-sm); outline: none;
  box-shadow: inset 0 1px 2px rgba(0,0,0,.28);
  transition: border-color .14s, box-shadow .14s;
  -webkit-appearance: none; appearance: none;
}
input::placeholder, textarea::placeholder { color: var(--faint); opacity: 1; }
textarea { resize: vertical; min-height: 74px; }
input:focus, select:focus, textarea:focus {
  border-color: var(--brass);
  box-shadow: inset 0 1px 2px rgba(0,0,0,.28), var(--ring);
}
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2398a0ae' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 13px center; padding-right: 36px;
}

/* Stop Chrome/Safari autofill from painting inputs white. */
input:-webkit-autofill, input:-webkit-autofill:hover, input:-webkit-autofill:focus, input:-webkit-autofill:active,
textarea:-webkit-autofill, select:-webkit-autofill {
  -webkit-text-fill-color: var(--text); caret-color: var(--text); border: 1px solid var(--border);
  -webkit-box-shadow: 0 0 0 1000px var(--ink-2) inset; box-shadow: 0 0 0 1000px var(--ink-2) inset;
  transition: background-color 600000s 0s, color 600000s 0s;
}
input:-webkit-autofill:focus {
  border-color: var(--brass);
  -webkit-box-shadow: 0 0 0 1000px var(--ink-2) inset, var(--ring);
  box-shadow: 0 0 0 1000px var(--ink-2) inset, var(--ring);
}

.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; }

/* segmented radio-cards */
.choice { display: flex; gap: 10px; flex-wrap: wrap; }
.choice label {
  flex: 1; min-width: 130px; cursor: pointer; margin: 0; position: relative;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; background: var(--ink-2); transition: border-color .14s, background .14s, box-shadow .14s;
}
.choice label:hover { border-color: var(--border-bright); }
.choice input { position: absolute; opacity: 0; pointer-events: none; }
.choice .meta .t { font-weight: 600; color: var(--text); font-size: 13.5px; display: block; }
.choice .meta .d { font-size: 12px; color: var(--faint); display: block; margin-top: 3px; }
.choice label:has(input:checked) {
  border-color: var(--brass); background: rgba(216,162,74,.08);
  box-shadow: inset 0 0 0 1px rgba(216,162,74,.3);
}
.choice label:has(input:checked) .meta .t { color: var(--brass-soft); }

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; cursor: pointer;
  font-family: var(--sans); font-weight: 600; font-size: 14px; white-space: nowrap;
  padding: 10px 17px; border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: var(--raised); color: var(--text);
  transition: background .14s, border-color .14s, transform .05s, box-shadow .14s;
}
.btn:hover { background: var(--raised-2); border-color: var(--border-bright); text-decoration: none; }
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: var(--ring); }
.btn svg { width: 16px; height: 16px; }
.btn.primary {
  background: linear-gradient(180deg, var(--brass-bright), var(--brass-deep));
  border-color: var(--brass-deep); color: #1a1206;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.4), 0 6px 16px -7px rgba(216,162,74,.6);
}
.btn.primary:hover { filter: brightness(1.06); border-color: var(--brass-deep); }
.btn.ghost { background: transparent; }
.btn.ghost:hover { background: var(--raised); }
.btn.danger { color: var(--danger); border-color: rgba(226,112,111,.38); background: rgba(226,112,111,.07); }
.btn.danger:hover { background: rgba(226,112,111,.14); border-color: rgba(226,112,111,.5); }
.btn.sm { padding: 7px 12px; font-size: 13px; border-radius: 7px; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ============================================================
   Flash messages
   ============================================================ */
.flash {
  padding: 13px 16px; border-radius: var(--radius-sm); margin-bottom: 18px; font-size: 14px;
  border: 1px solid var(--border); display: flex; gap: 11px; align-items: center; line-height: 1.5;
}
.flash.ok    { color: var(--ok);     border-color: rgba(84,189,138,.4);  background: rgba(84,189,138,.09); }
.flash.error { color: var(--danger); border-color: rgba(226,112,111,.42); background: rgba(226,112,111,.09); }
.flash svg { width: 18px; height: 18px; flex: none; }

/* ============================================================
   Code / key blocks, kv, toolbar
   ============================================================ */
pre.code {
  background: var(--ink-2); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 15px 17px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px;
  color: var(--brass-soft); line-height: 1.65; margin: 0; box-shadow: inset 0 1px 2px rgba(0,0,0,.3);
}
.copy-wrap { position: relative; }
.copy-wrap .btn.sm { position: absolute; top: 10px; right: 10px; }

.kv { display: grid; grid-template-columns: 158px 1fr; gap: 12px 20px; font-size: 14px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; align-items: center; }
.toolbar input, .toolbar select { width: auto; }
.toolbar .grow { flex: 1; min-width: 180px; }

/* ============================================================
   Login (bare page)
   ============================================================ */
.login-wrap { position: relative; z-index: 1; min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-card { width: 100%; max-width: 392px; }
.login-card .brand { justify-content: center; padding: 0 0 26px; }
.login-card .card { box-shadow: var(--shadow), 0 0 0 1px rgba(216,162,74,.04); }

/* ============================================================
   Footer / copyright
   ============================================================ */
.app-foot {
  margin-top: 44px; padding-top: 18px; border-top: 1px solid var(--border-soft);
  display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap;
  color: var(--faint); font-size: 12px;
}
.app-foot .vendor { color: var(--muted); font-weight: 600; }
.app-foot .vendor span, .bare-foot .vendor span, .side-foot span { color: var(--brass); }
.bare-foot { text-align: center; color: var(--faint); font-size: 12px; margin-top: 22px; }
.bare-foot .vendor { color: var(--muted); font-weight: 600; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 880px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar {
    position: static; height: auto; flex-direction: row; align-items: center;
    overflow-x: auto; gap: 8px; padding: 12px 14px;
  }
  .brand { padding: 0 14px 0 2px; border-right: 1px solid var(--border); margin-right: 6px; }
  .brand small { display: none; }
  .nav { flex-direction: row; gap: 6px; }
  .nav-label, .nav .sep { display: none; }
  .nav a { padding: 9px 11px; white-space: nowrap; }
  .nav a span { display: none; }
  .nav a svg { width: 19px; height: 19px; }
  .nav-logout { width: auto; }
  .nav-logout span { display: none; }
  .side-foot { display: none; }
  .main { padding: 24px 16px 64px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid.cols-2, .grid.cols-3 { grid-template-columns: 1fr; }
  .row2 { grid-template-columns: 1fr; }
  .page-head h1 { font-size: 22px; }
  .kv { grid-template-columns: 1fr; gap: 3px 0; }
  .kv dt { margin-top: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}