/* ── Reset & variables ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --sidebar-w: 240px;
  --sidebar-bg: #0f172a;
  --sidebar-hover: #1e293b;
  --sidebar-active: #2563eb;
  --content-bg: #f1f5f9;
  --card-bg: #ffffff;
  --text-1: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;
  --border: #e2e8f0;
  --blue: #2563eb;
  --blue-light: #dbeafe;
  --green: #16a34a;
  --green-light: #dcfce7;
  --red: #dc2626;
  --red-light: #fee2e2;
  --yellow: #d97706;
  --yellow-light: #fef3c7;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow: 0 1px 4px rgba(0,0,0,.1);
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html { font-family: var(--font); font-size: 14px; }
body { background: var(--content-bg); color: var(--text-1); }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

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

/* ── Sidebar ─────────────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
  z-index: 100;
}

.sidebar-logo {
  padding: 20px 16px 16px;
  border-bottom: 1px solid #1e293b;
}
.sidebar-logo h1 {
  font-size: 16px;
  font-weight: 700;
  color: #f8fafc;
  letter-spacing: .3px;
}
.sidebar-logo span {
  display: block;
  font-size: 11px;
  color: var(--text-3);
  margin-top: 2px;
}

.sidebar-nav { padding: 12px 8px; flex: 1; }
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 6px;
  color: #94a3b8;
  font-size: 13.5px;
  transition: background .15s, color .15s;
  margin-bottom: 2px;
}
.sidebar-nav a:hover { background: var(--sidebar-hover); color: #f1f5f9; text-decoration: none; }
.sidebar-nav a.active { background: var(--sidebar-active); color: #fff; }
.sidebar-nav .section-label {
  font-size: 10.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .8px;
  color: #475569;
  padding: 12px 10px 4px;
}

.sidebar-footer {
  padding: 12px 16px 16px;
  border-top: 1px solid #1e293b;
}
.sidebar-footer .user-name { color: #cbd5e1; font-size: 13px; font-weight: 500; }
.sidebar-footer .user-email { color: #475569; font-size: 11.5px; margin-top: 1px; }
.sidebar-footer .btn-logout {
  margin-top: 10px;
  display: block;
  width: 100%;
  padding: 7px 12px;
  border: 1px solid #334155;
  background: transparent;
  color: #94a3b8;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  text-align: center;
  transition: background .15s, color .15s;
}
.sidebar-footer .btn-logout:hover { background: #1e293b; color: #f1f5f9; }

/* ── Main ────────────────────────────────────────────────────── */
.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-height: 100vh; }

.topbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar h2 { font-size: 17px; font-weight: 600; color: var(--text-1); }
.topbar-actions { display: flex; gap: 10px; align-items: center; }

.content { padding: 28px; flex: 1; }

/* ── Stat cards ─────────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
}
.stat-card .label { font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: .6px; color: var(--text-2); }
.stat-card .value { font-size: 28px; font-weight: 700; color: var(--text-1); margin: 6px 0 2px; }
.stat-card .sub { font-size: 12px; color: var(--text-3); }
.stat-card.blue .value { color: var(--blue); }
.stat-card.green .value { color: var(--green); }
.stat-card.red .value { color: var(--red); }

/* ── Cards ───────────────────────────────────────────────────── */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.card-header h3 { font-size: 14px; font-weight: 600; }
.card-body { padding: 20px; }

/* ── Tables ─────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
thead th {
  text-align: left;
  padding: 10px 14px;
  font-size: 11.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--text-2);
  background: #f8fafc;
  border-bottom: 1px solid var(--border);
}
tbody tr { border-bottom: 1px solid var(--border); transition: background .1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f8fafc; }
tbody td { padding: 12px 14px; color: var(--text-1); vertical-align: middle; }
tbody td.muted { color: var(--text-2); }

/* ── Badges ─────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 11.5px;
  font-weight: 500;
}
.badge-green { background: var(--green-light); color: var(--green); }
.badge-red   { background: var(--red-light);   color: var(--red); }
.badge-blue  { background: var(--blue-light);  color: var(--blue); }
.badge-gray  { background: #f1f5f9;             color: var(--text-2); }
.badge-yellow{ background: var(--yellow-light); color: var(--yellow); }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: background .15s, opacity .15s;
}
.btn:disabled { opacity: .5; cursor: default; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover:not(:disabled) { background: #1d4ed8; }
.btn-danger  { background: var(--red);  color: #fff; }
.btn-danger:hover:not(:disabled)  { background: #b91c1c; }
.btn-outline {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border);
}
.btn-outline:hover:not(:disabled) { background: #f8fafc; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }

/* ── Forms ───────────────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 5px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 13.5px;
  font-family: var(--font);
  background: #fff;
  color: var(--text-1);
  transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(37,99,235,.12);
}
.form-hint { font-size: 12px; color: var(--text-3); margin-top: 4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ── Modals ─────────────────────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  display: flex; align-items: center; justify-content: center;
  z-index: 1000;
}
.modal-backdrop.hidden { display: none; }
.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  width: 100%;
  max-width: 480px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-header {
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
}
.modal-header h3 { font-size: 15px; font-weight: 600; }
.modal-close { background: none; border: none; font-size: 20px; cursor: pointer; color: var(--text-2); line-height: 1; padding: 0; }
.modal-body { padding: 20px; }
.modal-footer { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 8px; }

/* ── Alerts ─────────────────────────────────────────────────── */
.alert {
  padding: 12px 16px;
  border-radius: 6px;
  font-size: 13.5px;
  margin-bottom: 16px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.alert-success { background: var(--green-light); color: #15803d; border: 1px solid #bbf7d0; }
.alert-error   { background: var(--red-light);   color: #991b1b; border: 1px solid #fecaca; }
.alert-info    { background: var(--blue-light);  color: #1e40af; border: 1px solid #bfdbfe; }
.alert-warning { background: var(--yellow-light);color: #92400e; border: 1px solid #fde68a; }
.alert.hidden { display: none; }

/* ── Key reveal box ─────────────────────────────────────────── */
.key-box {
  background: #0f172a;
  color: #4ade80;
  font-family: 'Courier New', monospace;
  font-size: 13px;
  padding: 14px 16px;
  border-radius: 6px;
  word-break: break-all;
  margin: 12px 0;
  position: relative;
}
.key-box .copy-btn {
  position: absolute;
  top: 8px; right: 8px;
  background: #1e293b;
  color: #94a3b8;
  border: none;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  cursor: pointer;
}
.key-box .copy-btn:hover { background: #334155; color: #f1f5f9; }

/* ── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; gap: 8px; margin-top: 16px; }
.pagination button { padding: 5px 12px; border: 1px solid var(--border); background: var(--card-bg); border-radius: 5px; cursor: pointer; font-size: 13px; }
.pagination button:hover:not(:disabled) { background: #f1f5f9; }
.pagination button:disabled { opacity: .4; cursor: default; }
.pagination .page-info { color: var(--text-2); font-size: 13px; }

/* ── Empty state ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-2); }
.empty-state .icon { font-size: 40px; margin-bottom: 12px; }
.empty-state p { font-size: 14px; }

/* ── Filters bar ────────────────────────────────────────────── */
.filters { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.filters select, .filters input { padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; background: var(--card-bg); }

/* ── Login page ─────────────────────────────────────────────── */
body.login-page { background: linear-gradient(135deg, #0f172a 0%, #1e3a5f 100%); display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--card-bg); border-radius: 12px; padding: 40px; width: 100%; max-width: 380px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-card h1 { font-size: 22px; font-weight: 700; text-align: center; margin-bottom: 4px; }
.login-card .subtitle { text-align: center; color: var(--text-2); font-size: 13.5px; margin-bottom: 28px; }
.login-card .logo { text-align: center; font-size: 36px; margin-bottom: 8px; }

/* ── Spinner ────────────────────────────────────────────────── */
.spinner {
  display: inline-block;
  width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin .6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }