:root {
  --bg: #f8f9fc;
  --sidebar-bg: #1e2235;
  --sidebar-text: #a0a6ba;
  --sidebar-active: #fff;
  --sidebar-hover: rgba(255,255,255,.08);
  --sidebar-accent: #6366f1;
  --panel: #fff;
  --panel2: #f1f3f9;
  --border: #e2e5ef;
  --text: #1e2235;
  --text-secondary: #5b6178;
  --muted: #8b91a8;
  --accent: #6366f1;
  --accent-hover: #4f46e5;
  --accent-light: rgba(99,102,241,.08);
  --ok: #10b981;
  --ok-light: rgba(16,185,129,.1);
  --warn: #f59e0b;
  --warn-light: rgba(245,158,11,.1);
  --err: #ef4444;
  --err-light: rgba(239,68,68,.1);
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-lg: 0 4px 12px rgba(0,0,0,.1);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sidebar-width: 240px;
  --topbar-height: 0px;
}

/* === Reset === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { height: 100%; }
body { height: 100%; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif; font-size: 14px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* === Admin Layout === */
.admin-layout { display: flex; min-height: 100vh; }

.sidebar {
  position: fixed; top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width); background: var(--sidebar-bg);
  display: flex; flex-direction: column; z-index: 100;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 20px 20px 16px;
  font-size: 16px; font-weight: 700; color: #fff;
  letter-spacing: -.3px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand span { color: var(--sidebar-accent); }
.sidebar-nav { flex: 1; padding: 12px 10px; }
.sidebar-section { margin-bottom: 20px; }
.sidebar-section-label {
  padding: 0 10px; margin-bottom: 4px;
  font-size: 10px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .8px; color: rgba(255,255,255,.3);
}
.sidebar-link {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: var(--radius);
  color: var(--sidebar-text); font-size: 13px; font-weight: 500;
  transition: all .15s;
}
.sidebar-link:hover { background: var(--sidebar-hover); color: #fff; text-decoration: none; }
.sidebar-link.active { background: var(--sidebar-accent); color: #fff; }
.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: .7; }
.sidebar-link.active svg { opacity: 1; }
.sidebar-link .count {
  margin-left: auto; background: rgba(255,255,255,.12);
  padding: 1px 7px; border-radius: 10px; font-size: 11px;
}
.sidebar-footer {
  padding: 14px 16px; border-top: 1px solid rgba(255,255,255,.08);
}
.sidebar-user {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 4px; color: var(--sidebar-text); font-size: 13px;
}
.sidebar-user .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--sidebar-accent); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 600; flex-shrink: 0;
}
.sidebar-user .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-logout {
  display: inline-flex; align-items: center; gap: 6px;
  background: none; border: 0; color: var(--sidebar-text);
  font: inherit; font-size: 12px; cursor: pointer; padding: 6px 4px; margin-top: 4px;
}
.sidebar-logout:hover { color: var(--err); }

/* === Main Content === */
.main-content {
  flex: 1; margin-left: var(--sidebar-width);
  min-height: 100vh; display: flex; flex-direction: column;
}
.main-header {
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 20px 32px; display: flex; align-items: center; justify-content: space-between;
}
.main-header h1 { font-size: 20px; font-weight: 700; letter-spacing: -.3px; margin: 0; }
.main-header .breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--muted); }
.main-header .breadcrumb a { color: var(--muted); }
.main-header .breadcrumb a:hover { color: var(--accent); text-decoration: none; }
.main-header .breadcrumb .sep { color: var(--border); }
.main-body { padding: 24px 32px; flex: 1; }

/* === Old topbar hidden for admin === */
header.topbar { display: none; }
/* Show old topbar for non-admin pages */
body:not(.is-admin) header.topbar {
  display: flex; background: var(--sidebar-bg); border-bottom: 1px solid var(--border);
  padding: 14px 24px; align-items: center; justify-content: space-between;
}
body:not(.is-admin) header.topbar .brand a { color: #fff; font-weight: 600; }
body:not(.is-admin) header.topbar nav a { color: rgba(255,255,255,.7); margin-left: 18px; }
body:not(.is-admin) header.topbar nav a:hover { color: #fff; }
body:not(.is-admin) header.topbar nav form { display: inline; margin-left: 18px; }
body:not(.is-admin) header.topbar nav button.linky { background: none; border: 0; color: rgba(255,255,255,.7); cursor: pointer; font: inherit; padding: 0; }
body:not(.is-admin) header.topbar nav button.linky:hover { color: #fff; }
body:not(.is-admin) .admin-layout { display: block; }
body:not(.is-admin) .sidebar { display: none; }
body:not(.is-admin) .main-content { margin-left: 0; }

/* === Container for non-admin pages === */
main.container { max-width: 960px; margin: 32px auto; padding: 0 24px; }
main.narrow { max-width: 440px; }

/* === Typography === */
h1 { font-size: 20px; font-weight: 700; margin: 0 0 18px; letter-spacing: -.3px; }
h2 { font-size: 16px; font-weight: 600; margin: 24px 0 12px; letter-spacing: -.2px; color: var(--text); }

/* === Cards / Panels === */
.panel, .card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 0; margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}
.card-header {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.card-header h2 { margin: 0; font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }
.card-body.flush { padding: 0; }

/* legacy .panel compat */
.panel { padding: 20px; }

/* === Flash messages === */
.flash {
  padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px;
  font-size: 13px; font-weight: 500; display: flex; align-items: center; gap: 8px;
}
.flash.info { background: var(--ok-light); border: 1px solid rgba(16,185,129,.2); color: #065f46; }
.flash.error { background: var(--err-light); border: 1px solid rgba(239,68,68,.2); color: #991b1b; }
.flash.key { background: var(--accent-light); border: 1px solid rgba(99,102,241,.2); color: #3730a3; }
.flash.key code { display: block; font-family: var(--mono); font-size: 14px; letter-spacing: .3px; margin-top: 4px; word-break: break-all; }

/* === Forms === */
label { display: block; font-size: 12px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: .3px; }
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 9px 12px; background: var(--panel);
  color: var(--text); border: 1px solid var(--border); border-radius: var(--radius);
  font: inherit; font-size: 13px; transition: border-color .15s, box-shadow .15s;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-light); }
.field { margin-bottom: 16px; }
.form-inline { display: flex; gap: 8px; align-items: center; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* === Buttons === */
button, .btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; background: var(--accent); color: #fff;
  border: 0; border-radius: var(--radius); cursor: pointer;
  font: inherit; font-size: 13px; font-weight: 500;
  text-decoration: none; transition: all .15s;
  white-space: nowrap;
}
button:hover, .btn:hover { background: var(--accent-hover); text-decoration: none; }
button.ghost, .btn.ghost { background: var(--panel); border: 1px solid var(--border); color: var(--text); }
button.ghost:hover, .btn.ghost:hover { background: var(--panel2); border-color: var(--text-secondary); }
button.danger, .btn.danger { background: var(--err); }
button.danger:hover, .btn.danger:hover { background: #dc2626; }
button.success, .btn.success { background: var(--ok); }
button.success:hover, .btn.success:hover { background: #059669; }
button.small, .btn.small { padding: 5px 10px; font-size: 12px; }
button.icon-btn { padding: 6px 8px; }

/* === Tables === */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th, table td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
table th { color: var(--muted); font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: .5px; background: var(--panel2); }
table th:first-child { border-radius: var(--radius) 0 0 0; }
table th:last-child { border-radius: 0 var(--radius) 0 0; }
table tr:last-child td { border-bottom: 0; }
table tr:hover td { background: var(--panel2); }
td.wrap { white-space: normal; word-break: break-all; max-width: 200px; }
td.truncate { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* === Mono / Code === */
code.k { font-family: var(--mono); background: var(--panel2); padding: 2px 8px; border-radius: 4px; font-size: 12px; }
.mono { font-family: var(--mono); font-size: 12px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.text-secondary { color: var(--text-secondary); }

/* === Badges === */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: 999px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px;
}
.badge.active { background: var(--ok-light); color: #065f46; }
.badge.revoked { background: var(--err-light); color: #991b1b; }
.badge.pending { background: var(--warn-light); color: #92400e; }
.badge.info { background: var(--accent-light); color: #3730a3; }

/* === Stats / KPIs === */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 20px;
  box-shadow: var(--shadow-sm); transition: box-shadow .15s;
}
.stat:hover { box-shadow: var(--shadow); }
.stat .n { font-size: 28px; font-weight: 700; letter-spacing: -.5px; color: var(--text); }
.stat .l { font-size: 11px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-top: 4px; }
.stat.accent .n { color: var(--accent); }
.stat.ok .n { color: var(--ok); }
.stat.warn .n { color: var(--warn); }
.stat.err .n { color: var(--err); }

/* === Toolbar / Filters === */
.toolbar {
  display: flex; gap: 10px; align-items: center; margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar form { display: flex; gap: 8px; align-items: center; flex: 1; min-width: 0; }
.toolbar input[type=text] { max-width: 320px; }
.toolbar select { width: auto; max-width: 160px; }
.toolbar .actions { margin-left: auto; display: flex; gap: 8px; }

/* === Key-Value Detail === */
dl.kv { margin: 0; display: grid; grid-template-columns: 140px 1fr; gap: 2px 16px; }
dl.kv dt { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; padding: 8px 0; }
dl.kv dd { margin: 0; padding: 8px 0; border-bottom: 1px solid var(--border); word-break: break-all; }
dl.kv dd:last-child { border-bottom: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* === Pagination === */
.pagination {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 0; font-size: 13px; color: var(--muted);
}
.pagination .pages { display: flex; gap: 4px; }
.pagination .pages a, .pagination .pages span {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 32px; height: 32px; padding: 0 8px;
  border-radius: var(--radius); font-size: 13px; font-weight: 500;
}
.pagination .pages a {
  color: var(--text); background: var(--panel); border: 1px solid var(--border);
  transition: all .15s;
}
.pagination .pages a:hover { background: var(--panel2); border-color: var(--accent); text-decoration: none; }
.pagination .pages span.current { background: var(--accent); color: #fff; }
.pagination .pages span.dots { border: 0; background: none; color: var(--muted); min-width: 24px; }
.pagination .info { font-size: 12px; }

/* === Empty state === */
.empty-state {
  text-align: center; padding: 40px 20px; color: var(--muted);
}
.empty-state svg { width: 48px; height: 48px; margin-bottom: 12px; opacity: .4; }
.empty-state p { font-size: 14px; margin-top: 4px; }

/* === Actions dropdown === */
.actions-cell { position: relative; }
.action-group { display: flex; gap: 4px; }

/* === Detail page === */
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.detail-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }

/* === QR code === */
.qr { background: #fff; padding: 10px; display: inline-block; border-radius: var(--radius); box-shadow: var(--shadow-sm); }

/* === Responsive === */
@media (max-width: 1024px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); transition: transform .2s; }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .main-header { padding: 16px 20px; }
  .main-body { padding: 16px 20px; }
  .stats { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar form { flex-direction: column; }
  .toolbar input[type=text] { max-width: none; }
  dl.kv { grid-template-columns: 1fr; }
  dl.kv dt { padding-bottom: 0; }
  dl.kv dd { padding-top: 2px; }
  .form-row { grid-template-columns: 1fr; }
}

/* === Auth pages (login/reset) === */
body.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--bg); }
body.auth-page .auth-card { width: 100%; max-width: 400px; margin: 0 auto; }
body.auth-page .admin-layout, body.auth-page .sidebar { display: none; }