:root {
  --bg: #f1f5f9;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e2e8f0;
  --primary: #0f766e;
  --primary-dark: #0d5e57;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --warning-light: #fef3c7;
  --success-light: #dcfce7;
  --sidebar-bg: #0f172a;
  --sidebar-text: #94a3b8;
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); font-size: 14px; }

.login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { width: 100%; max-width: 420px; background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 34px 30px; }
.login-brand { text-align: center; margin-bottom: 24px; }
.login-logo { width: 48px; height: 48px; border-radius: 12px; margin: 0 auto 10px; background: linear-gradient(135deg, var(--primary), #0891b2); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; }
.login-brand p { color: var(--muted); font-size: 0.85rem; margin-top: 4px; }
.login-card form { display: flex; flex-direction: column; gap: 14px; }

.app-layout { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar { background: var(--sidebar-bg); color: #fff; display: flex; flex-direction: column; }
.sidebar-brand { padding: 16px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar-logo { width: 30px; height: 30px; border-radius: 8px; background: linear-gradient(135deg, var(--primary), #0891b2); display: flex; align-items: center; justify-content: center; font-weight: 800; }
.sidebar-nav { padding: 10px 8px; display: flex; flex-direction: column; gap: 4px; }
.nav-item { background: none; border: none; color: var(--sidebar-text); text-align: left; padding: 10px; border-radius: var(--radius-sm); cursor: pointer; }
.nav-item.active, .nav-item:hover { background: rgba(255,255,255,0.1); color: #fff; }
.nav-badge { background: var(--primary); color: #fff; border-radius: 99px; font-size: 0.7rem; padding: 1px 6px; margin-left: 8px; }
.sidebar-footer { margin-top: auto; padding: 12px 8px; border-top: 1px solid rgba(255,255,255,0.08); }
.sidebar-user { display: flex; align-items: center; gap: 8px; padding: 8px; }
.sidebar-avatar { width: 28px; height: 28px; border-radius: 50%; background: linear-gradient(135deg, #0891b2, var(--primary)); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; }
.sidebar-email { font-size: 0.78rem; color: var(--sidebar-text); overflow: hidden; text-overflow: ellipsis; }
.btn-logout { width: 100%; background: none; border: none; color: #ef4444; padding: 8px 10px; border-radius: var(--radius-sm); cursor: pointer; text-align: left; }

.main-area { display: flex; flex-direction: column; min-height: 100vh; }
.topbar { height: 56px; border-bottom: 1px solid var(--line); background: #fff; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; }
.topbar-left { display: flex; align-items: baseline; gap: 10px; }
.last-updated { color: var(--muted); font-size: 0.75rem; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.conn-status { font-size: 0.78rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.conn-dot { width: 7px; height: 7px; border-radius: 50%; background: #22c55e; }
.btn-icon { width: 30px; height: 30px; border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; cursor: pointer; }
.btn-icon.spinning { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.content { padding: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.card-title { padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 0.9rem; }

.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.metric-card { border: 1px solid var(--line); border-radius: var(--radius); background: #fff; padding: 14px; }
.metric-label { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; }
.metric-value { font-size: 1.5rem; font-weight: 700; }
.two-col-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.recent-list, .health-list { padding: 8px 0; }
.recent-item, .health-item { display: flex; justify-content: space-between; gap: 8px; padding: 8px 14px; border-bottom: 1px solid var(--line); }
.recent-item:last-child, .health-item:last-child { border-bottom: none; }

.filter-bar { margin-bottom: 12px; padding: 12px; }
.filter-row { display: flex; gap: 10px; flex-wrap: wrap; }
.search-wrap { flex: 1; min-width: 220px; }
.filter-controls { display: flex; gap: 8px; flex-wrap: wrap; }
.table-wrap { overflow-x: auto; }
.table-card { overflow: hidden; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 11px 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { background: #f8fafc; font-size: 0.76rem; text-transform: uppercase; color: var(--muted); }
.table-footer { display: flex; justify-content: space-between; padding: 10px 12px; }
.user-cell { display: flex; gap: 8px; align-items: center; }
.user-avatar { width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #0891b2); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; }
.user-cell-name { font-weight: 600; }
.user-cell-email { font-size: 0.75rem; color: var(--muted); }
.action-btns { display: flex; gap: 6px; }

.badge, .plan-badge { display: inline-block; padding: 3px 8px; border-radius: 99px; font-size: 0.72rem; font-weight: 600; }
.badge.active { background: var(--success-light); color: #166534; }
.badge.trialing { background: var(--warning-light); color: #92400e; }
.badge.free { background: #f1f5f9; color: #64748b; }
.badge.suspended { background: var(--danger-light); color: #991b1b; }
.plan-badge.starter { background: #f1f5f9; color: #475569; }
.plan-badge.professional { background: #dbeafe; color: #1d4ed8; }
.plan-badge.business { background: #f3e8ff; color: #7c3aed; }
.plan-badge.cancels { background: #fef3c7; color: #92400e; }

input, select { width: 100%; padding: 9px 11px; border: 1px solid #cbd5e1; border-radius: var(--radius-sm); }
label { display: flex; flex-direction: column; gap: 5px; font-size: 0.85rem; }
.input-wrap { position: relative; }
.input-wrap input { padding-right: 56px; }
.input-addon { position: absolute; right: 8px; top: 50%; transform: translateY(-50%); border: none; background: none; color: var(--muted); cursor: pointer; }

.btn { border: 1px solid var(--line); border-radius: var(--radius-sm); background: #fff; padding: 8px 12px; cursor: pointer; }
.btn.primary { background: var(--primary); color: #fff; border-color: transparent; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.danger { background: var(--danger); color: #fff; border-color: transparent; }
.btn.sm { padding: 5px 9px; font-size: 0.76rem; }
.btn.full { width: 100%; }

.pagination { display: flex; gap: 4px; }
.page-btn { border: 1px solid var(--line); background: #fff; border-radius: 6px; min-width: 30px; height: 30px; cursor: pointer; }
.page-btn.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.toast-container { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 200; }
.toast { background: #0f172a; color: #fff; padding: 10px 14px; border-radius: var(--radius-sm); font-size: 0.85rem; }
.toast.success { background: #14532d; }
.toast.error { background: #7f1d1d; }
.toast.out { opacity: 0; transition: opacity 0.2s; }

.modal { position: fixed; inset: 0; display: flex; align-items: center; justify-content: center; z-index: 100; padding: 14px; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(15,23,42,0.5); }
.modal-panel { position: relative; z-index: 1; width: 100%; max-width: 500px; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--line); }
.modal-close { border: none; background: none; font-size: 1.2rem; cursor: pointer; }
.modal-body-text { padding: 12px 16px; }
.modal-field { padding: 0 16px 12px; }
.output-wrap { display: flex; gap: 8px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--line); }

.muted { color: var(--muted); }
.hidden { display: none !important; }
.error-msg { color: #dc2626; font-size: 0.82rem; min-height: 1.2em; text-align: center; }

@media (max-width: 900px) {
  .app-layout { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .two-col-grid { grid-template-columns: 1fr; }
}