/* ─── Admin Portal Styles ─────────────────────────────────────────────────── */
:root {
  --admin-sidebar-w: 260px;
  --admin-bg: #0f1117;
  --admin-surface: #1a1d27;
  --admin-surface-hover: #22253a;
  --admin-border: rgba(255,255,255,.08);
  --admin-accent: #6366f1;
  --admin-accent-glow: rgba(99,102,241,.25);
  --admin-text: #e2e8f0;
  --admin-text-muted: #94a3b8;
  --admin-success: #22c55e;
  --admin-danger: #ef4444;
  --admin-warning: #f59e0b;
  --admin-info: #3b82f6;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--admin-bg);
  color: var(--admin-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ─── Auth Gate ───────────────────────────────────────────────────────────── */
.auth-gate {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,.15) 0%, transparent 60%), var(--admin-bg);
}
.auth-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 16px;
  padding: 2rem;
  width: 100%;
  max-width: 400px;
  margin: 1rem;
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
}
.auth-icon {
  font-size: 3rem;
  color: var(--admin-accent);
}
.auth-card .form-control {
  background: var(--admin-bg);
  border-color: var(--admin-border);
  color: var(--admin-text);
}
.auth-card .form-control:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 .2rem var(--admin-accent-glow);
}

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

/* ─── Topbar (mobile) ─────────────────────────────────────────────────────── */
.admin-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1040;
  height: 56px;
  background: var(--admin-surface);
  border-bottom: 1px solid var(--admin-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
}

/* ─── Sidebar ─────────────────────────────────────────────────────────────── */
.admin-sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--admin-sidebar-w);
  background: var(--admin-surface);
  border-right: 1px solid var(--admin-border);
  display: flex;
  flex-direction: column;
  z-index: 1050;
  overflow-y: auto;
  transition: transform .25s ease;
}
.sidebar-brand {
  padding: 1.25rem 1rem;
  font-size: 1.1rem;
  font-weight: 700;
  border-bottom: 1px solid var(--admin-border);
  white-space: nowrap;
  background: linear-gradient(135deg, var(--admin-accent), #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.sidebar-nav {
  list-style: none;
  padding: .75rem 0;
  margin: 0;
  flex: 1;
}
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  padding: .7rem 1.25rem;
  color: var(--admin-text-muted);
  text-decoration: none;
  font-size: .9rem;
  transition: all .15s;
  border-left: 3px solid transparent;
}
.sidebar-nav .nav-link:hover {
  background: var(--admin-surface-hover);
  color: var(--admin-text);
}
.sidebar-nav .nav-link.active {
  color: var(--admin-accent);
  background: rgba(99,102,241,.08);
  border-left-color: var(--admin-accent);
  font-weight: 600;
}
.sidebar-footer {
  border-top: 1px solid var(--admin-border);
  margin-top: auto;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 1045;
}

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

/* ─── Cards ───────────────────────────────────────────────────────────────── */
.admin-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 1.25rem;
  transition: box-shadow .2s;
}
.admin-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,.2); }

.stat-card {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}
.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}
.stat-icon.blue { background: rgba(59,130,246,.15); color: var(--admin-info); }
.stat-icon.green { background: rgba(34,197,94,.15); color: var(--admin-success); }
.stat-icon.amber { background: rgba(245,158,11,.15); color: var(--admin-warning); }
.stat-icon.purple { background: rgba(99,102,241,.15); color: var(--admin-accent); }
.stat-icon.red { background: rgba(239,68,68,.15); color: var(--admin-danger); }
.stat-value { font-size: 1.6rem; font-weight: 700; line-height: 1; }
.stat-label { font-size: .78rem; color: var(--admin-text-muted); margin-top: 2px; }

/* ─── Tables ──────────────────────────────────────────────────────────────── */
.admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
}
.admin-table th {
  padding: .6rem .75rem;
  font-weight: 600;
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .5px;
  color: var(--admin-text-muted);
  border-bottom: 1px solid var(--admin-border);
  cursor: pointer;
  white-space: nowrap;
  user-select: none;
}
.admin-table td {
  padding: .6rem .75rem;
  border-bottom: 1px solid rgba(255,255,255,.04);
  vertical-align: middle;
}
.admin-table tbody tr:hover { background: var(--admin-surface-hover); }

/* ─── Badges ──────────────────────────────────────────────────────────────── */
.badge-status {
  padding: .25rem .6rem;
  border-radius: 6px;
  font-size: .72rem;
  font-weight: 600;
}
.badge-active { background: rgba(34,197,94,.15); color: var(--admin-success); }
.badge-trial { background: rgba(245,158,11,.15); color: var(--admin-warning); }
.badge-expired { background: rgba(239,68,68,.15); color: var(--admin-danger); }
.badge-admin { background: rgba(99,102,241,.15); color: var(--admin-accent); }

/* ─── Charts ──────────────────────────────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}
.chart-container canvas { max-height: 300px; }

/* ─── Health dots ─────────────────────────────────────────────────────────── */
.health-dot {
  width: 12px; height: 12px;
  border-radius: 50%;
  display: inline-block;
  margin-right: 6px;
}
.health-dot.ok { background: var(--admin-success); box-shadow: 0 0 6px rgba(34,197,94,.5); }
.health-dot.warn { background: var(--admin-warning); box-shadow: 0 0 6px rgba(245,158,11,.5); }
.health-dot.error { background: var(--admin-danger); box-shadow: 0 0 6px rgba(239,68,68,.5); }

/* ─── Form controls ───────────────────────────────────────────────────────── */
.admin-input {
  background: var(--admin-bg);
  border: 1px solid var(--admin-border);
  color: var(--admin-text);
  border-radius: 8px;
  padding: .5rem .75rem;
}
.admin-input:focus {
  border-color: var(--admin-accent);
  box-shadow: 0 0 0 .2rem var(--admin-accent-glow);
  outline: none;
  background: var(--admin-bg);
  color: var(--admin-text);
}

/* Tab overrides */
.nav-tabs { border-bottom-color: var(--admin-border); }
.nav-tabs .nav-link {
  color: var(--admin-text-muted);
  border: none;
  border-bottom: 2px solid transparent;
  padding: .6rem 1rem;
  font-size: .85rem;
}
.nav-tabs .nav-link:hover { color: var(--admin-text); border-bottom-color: rgba(99,102,241,.3); }
.nav-tabs .nav-link.active {
  color: var(--admin-accent);
  background: transparent;
  border-bottom-color: var(--admin-accent);
}

/* Accordion overrides */
.accordion-item { background: transparent; border-color: var(--admin-border); }
.accordion-button {
  background: var(--admin-surface);
  color: var(--admin-text);
  font-size: .9rem;
}
.accordion-button:not(.collapsed) { background: rgba(99,102,241,.08); color: var(--admin-accent); box-shadow: none; }
.accordion-button:focus { box-shadow: 0 0 0 .2rem var(--admin-accent-glow); }
.accordion-button::after { filter: invert(1); }
.accordion-body { background: var(--admin-bg); color: var(--admin-text-muted); font-size: .85rem; }

/* Modal overrides */
.modal-content {
  background: var(--admin-surface);
  border: 1px solid var(--admin-border);
  color: var(--admin-text);
}
.modal-header { border-bottom-color: var(--admin-border); }
.modal-footer { border-top-color: var(--admin-border); }

/* ─── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 991.98px) {
  .admin-sidebar {
    transform: translateX(-100%);
  }
  .admin-sidebar.open {
    transform: translateX(0);
  }
  .sidebar-overlay.open { display: block; }
  .admin-main {
    margin-left: 0;
    padding-top: 56px;
  }
}
@media (min-width: 992px) {
  .admin-topbar { display: none !important; }
}

/* ─── Utility ─────────────────────────────────────────────────────────────── */
.text-gradient {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.text-accent { color: var(--admin-accent); }
.text-muted-admin { color: var(--admin-text-muted); }
.border-admin { border-color: var(--admin-border) !important; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.12); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.2); }