:root {
  --bb-pink: #e91e8c;
  --bb-blue: #4a9fe8;
  --bb-green: #3dbf8a;
  --bb-lavender: #b8a9e8;
  --bb-dark: #1a2030;
  --bb-sidebar: #12182a;
  --bb-bg: #f4f7fc;
  --bb-card: #ffffff;
  --bb-border: #e2e8f4;
  --bb-text: #1e293b;
  --bb-muted: #64748b;
  --bb-radius: 14px;
  --bb-shadow: 0 8px 30px rgba(26, 32, 48, 0.08);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bb-bg);
  color: var(--bb-text);
  min-height: 100vh;
}

.bb-admin { display: flex; min-height: 100vh; }

/* Sidebar */
.bb-sidebar {
  width: 260px;
  background: linear-gradient(180deg, var(--bb-sidebar) 0%, #1a2540 100%);
  color: #fff;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 100;
  box-shadow: 4px 0 24px rgba(0,0,0,0.15);
}

.bb-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 24px 20px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.bb-brand-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--bb-pink), var(--bb-blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  box-shadow: 0 4px 15px rgba(233,30,140,0.4);
}

.bb-brand strong { display: block; font-size: 16px; }
.bb-brand span { font-size: 11px; opacity: 0.7; }

.bb-nav { flex: 1; padding: 16px 12px; overflow-y: auto; }

.bb-nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  margin-bottom: 4px;
  border-radius: 10px;
  color: rgba(255,255,255,0.75);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.bb-nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.bb-nav-item.active {
  background: linear-gradient(90deg, rgba(74,159,232,0.35), rgba(233,30,140,0.25));
  color: #fff;
  border-left: 3px solid var(--bb-pink);
}

.bb-nav-icon { font-size: 18px; width: 24px; text-align: center; }

.bb-sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 10px;
  opacity: 0.55;
  line-height: 1.5;
}

/* Main */
.bb-main {
  flex: 1;
  margin-left: 260px;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.bb-topbar {
  background: var(--bb-card);
  border-bottom: 1px solid var(--bb-border);
  padding: 18px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky; top: 0; z-index: 50;
  box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}

.bb-topbar h1 { font-size: 22px; font-weight: 700; color: var(--bb-dark); }
.bb-subtitle { font-size: 12px; color: var(--bb-muted); margin-top: 2px; }

.bb-topbar-right { display: flex; align-items: center; gap: 16px; }
.bb-user { display: flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; }

.bb-pill {
  font-size: 11px; font-weight: 700;
  padding: 5px 12px; border-radius: 20px;
}
.bb-pill-live {
  background: rgba(61,191,138,0.15);
  color: var(--bb-green);
  animation: bb-pulse 2s infinite;
}
@keyframes bb-pulse { 0%,100%{opacity:1} 50%{opacity:0.6} }

.bb-content { padding: 24px 28px; flex: 1; }

.bb-footer {
  padding: 14px 28px;
  font-size: 11px;
  color: var(--bb-muted);
  border-top: 1px solid var(--bb-border);
  background: var(--bb-card);
}

/* Cards & Stats */
.bb-grid { display: grid; gap: 20px; }
.bb-grid-4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.bb-grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }

.bb-stat-card {
  background: var(--bb-card);
  border-radius: var(--bb-radius);
  padding: 20px;
  display: flex; gap: 16px; align-items: center;
  box-shadow: var(--bb-shadow);
  border: 1px solid var(--bb-border);
  transition: transform 0.2s;
}
.bb-stat-card:hover { transform: translateY(-2px); }

.bb-stat-icon {
  width: 52px; height: 52px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}

.bb-stat-blue .bb-stat-icon { background: rgba(74,159,232,0.15); }
.bb-stat-pink .bb-stat-icon { background: rgba(233,30,140,0.12); }
.bb-stat-green .bb-stat-icon { background: rgba(61,191,138,0.15); }
.bb-stat-lavender .bb-stat-icon { background: rgba(184,169,232,0.2); }
.bb-stat-orange .bb-stat-icon { background: rgba(255,152,0,0.15); }

.bb-stat-label { font-size: 12px; color: var(--bb-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }
.bb-stat-value { font-size: 28px; font-weight: 800; color: var(--bb-dark); line-height: 1.2; }
.bb-stat-sub { font-size: 11px; color: var(--bb-muted); margin-top: 2px; }

.bb-card {
  background: var(--bb-card);
  border-radius: var(--bb-radius);
  box-shadow: var(--bb-shadow);
  border: 1px solid var(--bb-border);
  overflow: hidden;
}

.bb-card-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--bb-border);
  display: flex; justify-content: space-between; align-items: center;
  background: linear-gradient(90deg, rgba(74,159,232,0.06), rgba(233,30,140,0.04));
}
.bb-card-header h2 { font-size: 15px; font-weight: 700; }
.bb-card-body { padding: 20px; }

/* Tables */
.bb-table-wrap { overflow-x: auto; }
.bb-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.bb-table th {
  text-align: left; padding: 12px 14px;
  background: #f8fafc; color: var(--bb-muted);
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px;
  border-bottom: 2px solid var(--bb-border);
}
.bb-table td { padding: 12px 14px; border-bottom: 1px solid var(--bb-border); vertical-align: middle; }
.bb-table tr:hover td { background: rgba(74,159,232,0.04); }

/* Badges */
.bb-badge {
  display: inline-block; padding: 3px 10px;
  border-radius: 20px; font-size: 11px; font-weight: 700;
}
.bb-badge-green  { background: rgba(61,191,138,0.15); color: #1a8a5c; }
.bb-badge-blue   { background: rgba(74,159,232,0.15); color: #2a7bc8; }
.bb-badge-pink   { background: rgba(233,30,140,0.12); color: #c2186e; }
.bb-badge-orange { background: rgba(255,152,0,0.15); color: #e65100; }
.bb-badge-gray   { background: #f1f5f9; color: #64748b; }
.bb-badge-red    { background: rgba(239,68,68,0.12); color: #dc2626; }

/* Buttons */
.bb-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 18px; border-radius: 10px;
  font-size: 13px; font-weight: 600;
  border: none; cursor: pointer; text-decoration: none;
  transition: all 0.2s;
}
.bb-btn-primary {
  background: linear-gradient(135deg, var(--bb-blue), var(--bb-green));
  color: #fff;
  box-shadow: 0 4px 14px rgba(74,159,232,0.35);
}
.bb-btn-primary:hover { filter: brightness(1.08); transform: translateY(-1px); }
.bb-btn-pink { background: linear-gradient(135deg, var(--bb-pink), var(--bb-lavender)); color: #fff; }
.bb-btn-ghost { background: transparent; color: var(--bb-muted); border: 1px solid var(--bb-border); }
.bb-btn-ghost:hover { background: #f8fafc; }
.bb-btn-sm { padding: 5px 12px; font-size: 11px; }

/* Forms */
.bb-form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.bb-field label { display: block; font-size: 12px; font-weight: 600; color: var(--bb-muted); margin-bottom: 6px; }
.bb-field input, .bb-field select, .bb-field textarea {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--bb-border); border-radius: 10px;
  font-size: 14px; font-family: inherit;
  transition: border-color 0.2s;
}
.bb-field input:focus, .bb-field select:focus, .bb-field textarea:focus {
  outline: none; border-color: var(--bb-blue);
  box-shadow: 0 0 0 3px rgba(74,159,232,0.15);
}
.bb-field textarea { min-height: 120px; resize: vertical; }

/* Alerts */
.bb-alert {
  margin: 0 28px 0; padding: 12px 18px;
  border-radius: 10px; font-size: 13px; font-weight: 600;
}
.bb-alert-success { background: rgba(61,191,138,0.12); color: #1a8a5c; border: 1px solid rgba(61,191,138,0.3); }
.bb-alert-error   { background: rgba(239,68,68,0.1); color: #dc2626; border: 1px solid rgba(239,68,68,0.25); }

/* Login */
.bb-login-wrap {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #fce4ec 0%, #e3f2fd 50%, #e8f5e9 100%);
}
.bb-login-card {
  width: 100%; max-width: 420px;
  background: #fff; border-radius: 20px;
  padding: 40px 36px;
  box-shadow: 0 20px 60px rgba(26,32,48,0.12);
  border: 1px solid var(--bb-border);
}
.bb-login-logo {
  width: 80px; height: 80px; border-radius: 50%;
  background: linear-gradient(135deg, var(--bb-pink), var(--bb-blue));
  display: flex; align-items: center; justify-content: center;
  font-size: 36px; margin: 0 auto 16px;
  box-shadow: 0 8px 24px rgba(233,30,140,0.3);
}
.bb-login-card h1 { text-align: center; font-size: 22px; margin-bottom: 4px; }
.bb-login-card .bb-sub { text-align: center; color: var(--bb-muted); font-size: 13px; margin-bottom: 28px; }
.bb-login-error { background: rgba(239,68,68,0.1); color: #dc2626; padding: 10px 14px; border-radius: 8px; font-size: 13px; margin-bottom: 16px; }

.bb-chart-box { position: relative; height: 280px; }

.bb-website-banner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
  background: linear-gradient(135deg, rgba(184,169,232,0.15), rgba(74,159,232,0.1));
  border: 1px solid var(--bb-border);
  border-radius: var(--bb-radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.bb-website-banner h2 { font-size: 18px; color: var(--bb-dark); margin-bottom: 4px; }
.bb-website-banner p { font-size: 13px; color: var(--bb-muted); }
.bb-website-actions { display: flex; gap: 10px; flex-wrap: wrap; }

.bb-search-bar {
  display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap;
}
.bb-search-bar input {
  flex: 1; min-width: 200px;
  padding: 9px 14px; border: 1px solid var(--bb-border);
  border-radius: 10px; font-size: 13px;
}

@media (max-width: 900px) {
  .bb-sidebar { width: 72px; }
  .bb-sidebar .bb-brand div, .bb-nav-item span:not(.bb-nav-icon), .bb-sidebar-footer { display: none; }
  .bb-brand { justify-content: center; padding: 16px 8px; }
  .bb-nav-item { justify-content: center; padding: 12px; }
  .bb-main { margin-left: 72px; }
}