/* ============================================================
   Admin Panel Styles — SaaS AI Chatbot
   ============================================================ */

:root {
  --sidebar-width: 240px;
  --sidebar-collapsed-width: 64px;
  --sidebar-bg: #1e2535;
  --sidebar-text: rgba(255,255,255,0.75);
  --sidebar-hover-bg: rgba(255,255,255,0.08);
  --sidebar-active-bg: rgba(108,99,255,0.25);
  --sidebar-active-text: #fff;
  --sidebar-border: rgba(255,255,255,0.1);
  --primary: #6c63ff;
  --primary-light: rgba(108,99,255,0.1);
  --transition: 0.25s ease;
  --topbar-height: 56px;
}

* { box-sizing: border-box; }

body {
  font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #f0f2f7;
  margin: 0;
  padding: 0;
  display: flex;
  min-height: 100vh;
  font-size: 14px;
}

/* ── Sidebar ─────────────────────────────────────────────── */
.sidebar {
  position: fixed;
  top: 0; left: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--sidebar-bg);
  display: flex;
  flex-direction: column;
  transition: width var(--transition);
  z-index: 1000;
  overflow: hidden;
}

.sidebar.collapsed {
  width: var(--sidebar-collapsed-width);
}

.sidebar.collapsed .sidebar-text {
  display: none;
}

.sidebar.collapsed .sidebar-brand span {
  display: none;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px;
  min-height: var(--topbar-height);
  border-bottom: 1px solid var(--sidebar-border);
}

.sidebar-link {
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: background var(--transition), color var(--transition);
  white-space: nowrap;
}

.sidebar-link:hover {
  background: var(--sidebar-hover-bg);
  color: #fff;
}

.sidebar-link.active {
  background: var(--sidebar-active-bg);
  color: var(--sidebar-active-text);
  border-left: 3px solid var(--primary);
}

.sidebar-bottom {
  margin-top: auto;
}

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

.main-content.expanded {
  margin-left: var(--sidebar-collapsed-width);
}

.content-wrapper {
  flex: 1;
  padding: 24px;
}

/* ── Cards ───────────────────────────────────────────────── */
.card {
  border-radius: 12px;
}

.card-header {
  border-radius: 12px 12px 0 0 !important;
}

/* ── Tables ──────────────────────────────────────────────── */
.table > :not(caption) > * > * {
  padding: 10px 12px;
}

.table thead th {
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #6b7280;
}

/* ── Navbar ──────────────────────────────────────────────── */
.navbar {
  height: var(--topbar-height);
}

/* ── Stats Cards ─────────────────────────────────────────── */
.stat-card-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ── Badges ──────────────────────────────────────────────── */
.badge {
  font-weight: 500;
  font-size: 11px;
  padding: 4px 8px;
  border-radius: 6px;
}

/* ── Forms ───────────────────────────────────────────────── */
.form-control, .form-select {
  border-radius: 8px;
  font-size: 13.5px;
  border-color: #e2e8f0;
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(108,99,255,0.12);
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  border-radius: 8px;
  font-size: 13.5px;
  font-weight: 500;
  padding: 6px 14px;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover {
  background: #5850e6;
  border-color: #5850e6;
}

/* ── Alerts ──────────────────────────────────────────────── */
.alert {
  border-radius: 10px;
  font-size: 13.5px;
}

/* ── Modals ──────────────────────────────────────────────── */
.modal-content {
  border-radius: 14px;
  border: none;
}

.modal-header {
  border-bottom-color: #f1f5f9;
}

.modal-footer {
  border-top-color: #f1f5f9;
}

/* ── Pagination ──────────────────────────────────────────── */
.pagination .page-link {
  border-radius: 6px;
  margin: 0 2px;
  font-size: 13px;
}

/* ── Loading overlay ─────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .sidebar {
    width: var(--sidebar-collapsed-width);
  }
  .sidebar .sidebar-text {
    display: none;
  }
  .main-content {
    margin-left: var(--sidebar-collapsed-width);
  }
  .content-wrapper {
    padding: 16px;
  }
}

/* ── Custom scrollbar ────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #c1c5cd; border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #a1a6ae; }

/* ── Utilities ───────────────────────────────────────────── */
.cursor-pointer { cursor: pointer; }
.min-width-0 { min-width: 0; }
.font-monospace { font-family: 'Courier New', monospace; font-size: 12px; }