/* ============================================================
   Gateway admin — modern dark UI
   ============================================================ */
:root {
  --bg: #0b0d12;
  --bg-elev: #13161d;
  --bg-elev-2: #1a1e27;
  --border: #232735;
  --border-strong: #2e3344;
  --text: #e6e8ee;
  --text-dim: #8b92a3;
  --text-mute: #5b6273;
  --accent: #6366f1;
  --accent-hover: #7c7ff5;
  --accent-dim: #4f46e5;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --code-bg: #0f1117;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 4px 12px rgba(0,0,0,.15);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; padding: 0; }
body {
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", Roboto, system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code, pre, .mono { font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace; }
code { background: var(--code-bg); padding: 1px 6px; border-radius: 4px; font-size: 12.5px; }
.muted { color: var(--text-dim); }
.empty { text-align: center; color: var(--text-mute); padding: 32px 12px; }

/* ---------- Sidebar ---------- */
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 220px;
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 14px;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 24px; }
.brand-mark { font-size: 22px; }
.brand-name { font-weight: 600; font-size: 16px; letter-spacing: -0.01em; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.nav-link {
  display: block;
  padding: 9px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  font-weight: 500;
  font-size: 13.5px;
  transition: all .12s;
}
.nav-link:hover { background: var(--bg-elev-2); color: var(--text); }
.nav-link.active { background: var(--accent-dim); color: #fff; }
.nav-link.subtle { color: var(--text-mute); font-size: 12.5px; }
.sidebar-footer { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--border); }

/* ---------- Main ---------- */
.main { margin-left: 220px; padding: 28px 32px; min-height: 100vh; }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.page-header h1 { margin: 0 0 4px; font-size: 22px; font-weight: 600; letter-spacing: -0.015em; }
.page-header p { margin: 0; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.small { font-size: 11.5px; }

.grid-2 { display: grid; grid-template-columns: 1fr 1.4fr; gap: 14px; }
@media (max-width: 980px) { .grid-2 { grid-template-columns: 1fr; } }

.head-controls { display: flex; gap: 8px; align-items: center; }
.head-controls select { width: auto; min-width: 140px; }

.data-table.compact th, .data-table.compact td { padding: 8px 14px; font-size: 12.5px; }

kbd { background: var(--bg-elev-2); border: 1px solid var(--border); border-bottom-width: 2px; border-radius: 4px; padding: 1px 5px; font-size: 11.5px; font-family: inherit; color: var(--text-dim); }

.recent-row { display: grid; grid-template-columns: 1fr 90px 70px 130px; gap: 12px; padding: 8px 0; align-items: center; border-bottom: 1px solid var(--border); }
.recent-row:last-child { border-bottom: 0; }

/* ---------- Metrics ---------- */
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 20px; }
.metrics.compact { margin-bottom: 14px; }
.metric { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; }
.metric-label { color: var(--text-dim); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }
.metric-value { font-size: 24px; font-weight: 600; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }

/* ---------- Card ---------- */
.card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 16px; overflow: hidden; }
.card-head { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card-head h2, .card-head h3 { margin: 0; font-size: 15px; font-weight: 600; }
.card-body { padding: 16px 18px; }
.card-body h3 { font-size: 13px; font-weight: 500; color: var(--text-dim); text-transform: uppercase; letter-spacing: .04em; margin: 18px 0 10px; }

/* ---------- Toolbar ---------- */
.toolbar { display: flex; gap: 10px; margin-bottom: 14px; align-items: center; }
.search { flex: 1; max-width: 320px; }

/* ---------- Inputs ---------- */
input, select, textarea {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  font-size: 13.5px;
  font-family: inherit;
  outline: none;
  transition: border-color .12s, box-shadow .12s;
  width: 100%;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
label { display: block; font-size: 12.5px; font-weight: 500; color: var(--text-dim); margin: 12px 0 4px; }
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ---------- Buttons ---------- */
button {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: all .12s;
}
button:hover { background: var(--border); border-color: var(--border-strong); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.ghost { background: transparent; border-color: var(--border); color: var(--text-dim); }
button.ghost:hover { color: var(--text); }
button.danger { background: var(--danger); color: #fff; border-color: var(--danger); }
button.danger:hover { background: #f15a5a; }
button.copy-btn { padding: 6px 10px; font-size: 12px; }
button.block { width: 100%; margin-top: 16px; padding: 10px; }

/* ---------- Table ---------- */
.data-table { width: 100%; border-collapse: collapse; }
.data-table th, .data-table td { text-align: left; padding: 12px 18px; border-bottom: 1px solid var(--border); }
.data-table th { color: var(--text-dim); font-size: 11.5px; font-weight: 500; text-transform: uppercase; letter-spacing: .04em; background: var(--bg-elev-2); }
.data-table tbody tr { transition: background .08s; }
.data-table tbody tr:hover { background: var(--bg-elev-2); }
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table td.num { font-variant-numeric: tabular-nums; }
.data-table .actions { display: flex; gap: 6px; justify-content: flex-end; }
.data-table .id-cell { font-family: ui-monospace, monospace; color: var(--text-dim); font-size: 12px; }

/* ---------- Badge ---------- */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 500; }
.badge.active { background: rgba(16,185,129,.12); color: var(--success); }
.badge.revoked { background: rgba(239,68,68,.12); color: var(--danger); }
.badge.unlimited { background: var(--bg-elev-2); color: var(--text-dim); }

/* ---------- Modal ---------- */
.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 50; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,.6); backdrop-filter: blur(2px); }
.modal-card { position: relative; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; width: 90%; max-width: 460px; box-shadow: var(--shadow); }
.modal-card h2 { margin: 0 0 4px; font-size: 17px; font-weight: 600; }
.modal-close { position: absolute; top: 10px; right: 12px; background: transparent; border: 0; font-size: 22px; color: var(--text-dim); padding: 4px 8px; line-height: 1; }
.modal-close:hover { color: var(--text); background: transparent; }
.actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 18px; }

/* ---------- Key reveal ---------- */
.key-reveal { display: block; background: var(--code-bg); border: 1px solid var(--accent); border-radius: var(--radius-sm); padding: 14px 16px; margin: 12px 0; font-family: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace; font-size: 14px; word-break: break-all; color: var(--text); cursor: pointer; user-select: all; min-height: 24px; outline: none; }
.key-reveal:hover, .key-reveal:focus { border-color: var(--accent-hover); box-shadow: 0 0 0 3px rgba(99,102,241,.15); }
.key-reveal:empty::before { content: "(loading...)"; color: var(--text-mute); }
.key-banner { border-color: var(--accent-dim); background: linear-gradient(180deg, rgba(99,102,241,.05), transparent); }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { background: var(--bg-elev-2); border: 1px solid var(--border); border-radius: 999px; padding: 4px 12px; font-family: ui-monospace, monospace; font-size: 12px; }

/* ---------- Key-value list ---------- */
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 10px 16px; margin: 0; }
.kv dt { color: var(--text-dim); font-size: 12.5px; }
.kv dd { margin: 0; }

/* ---------- Login ---------- */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius); padding: 36px 32px; width: 360px; max-width: 90vw; box-shadow: var(--shadow); }
.login-card .brand { padding: 0 0 24px; justify-content: center; }
.login-card h1 { font-size: 20px; margin: 0 0 4px; }
.login-card p { margin: 0 0 18px; }

/* ---------- Alert ---------- */
.alert { padding: 10px 14px; border-radius: var(--radius-sm); font-size: 13px; margin: 12px 0; }
.alert.error { background: rgba(239,68,68,.1); color: #fca5a5; border: 1px solid rgba(239,68,68,.2); }

/* ---------- Toast ---------- */
#toast { position: fixed; bottom: 24px; right: 24px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; font-size: 13px; box-shadow: var(--shadow); animation: slide-in .2s; }
.toast.success { border-color: var(--success); color: var(--success); }
.toast.error { border-color: var(--danger); color: var(--danger); }
@keyframes slide-in { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ---------- Responsive ---------- */
@media (max-width: 760px) {
  .sidebar { position: sticky; width: 100%; flex-direction: row; padding: 12px; align-items: center; }
  .sidebar nav { flex-direction: row; flex: 1; overflow-x: auto; }
  .sidebar-footer { display: none; }
  .main { margin-left: 0; padding: 18px; }
  .row-2 { grid-template-columns: 1fr; }
}