:root {
  --bg: #0f172a;
  --card: #1e293b;
  --card-border: #334155;
  --text: #f8fafc;
  --muted: #94a3b8;
  --primary: #6366f1;
  --primary-hover: #4f46e5;
  --success: #10b981;
  --warn: #f59e0b;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.screen { min-height: 100vh; }

.login-card {
  max-width: 380px;
  margin: 12vh auto;
  padding: 2rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
}

.login-card h1 { margin: 0 0 0.25rem; font-size: 1.5rem; }

.muted { color: var(--muted); font-size: 0.9rem; }

label {
  display: block;
  margin: 1rem 0 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}

input {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #0b1220;
  color: var(--text);
}

.btn {
  border: none;
  border-radius: 10px;
  padding: 0.65rem 1rem;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  width: 100%;
  margin-top: 1rem;
  background: var(--primary);
  color: white;
}

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

.btn-secondary {
  background: #334155;
  color: white;
}

.btn-success {
  background: var(--success);
  color: #052e1d;
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--card-border);
}

.error {
  color: #fca5a5;
  font-size: 0.9rem;
  margin-top: 0.75rem;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  background: #111827;
}

.topbar h1 { margin: 0; font-size: 1.35rem; }

.topbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 1rem;
  padding: 1.25rem 1.5rem 0;
}

.stat-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1rem 1.1rem;
}

.stat-card .value {
  font-size: 1.75rem;
  font-weight: 700;
  margin-top: 0.25rem;
}

.stat-card .label {
  color: var(--muted);
  font-size: 0.85rem;
}

.panel {
  margin: 1.25rem 1.5rem;
  padding: 1rem 1.1rem 1.25rem;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 14px;
}

.panel-head {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.35rem;
}

.panel-head h2 {
  margin: 0;
  font-size: 1.1rem;
}

.panel-desc {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  background: #334155;
  font-size: 0.8rem;
}

.badge-warn { background: rgba(245, 158, 11, 0.2); color: #fcd34d; }

.panel-alert {
  border-color: rgba(245, 158, 11, 0.35);
  box-shadow: 0 0 0 1px rgba(245, 158, 11, 0.08) inset;
}

.instant-pix-card {
  border-color: rgba(245, 158, 11, 0.55);
}

.instant-pix-hint {
  margin: 0;
  font-size: 0.88rem;
}

.instant-pix-actions {
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--card-border);
}

.btn-pix-pago {
  display: block;
  width: 100%;
  padding: 0.95rem 1rem;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  background: var(--success);
  color: #022c22;
  border: 2px solid rgba(16, 185, 129, 0.65);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.25);
}

.btn-pix-pago:hover {
  filter: brightness(1.08);
}

.btn-pix-pago:disabled {
  opacity: 0.65;
  cursor: wait;
}

.cards-list { display: grid; gap: 0.85rem; }

.seller-card {
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 1rem;
  background: #0b1220;
}

.seller-card.ready { border-color: rgba(245, 158, 11, 0.45); }

.seller-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}

.seller-name { font-weight: 700; font-size: 1.05rem; }

.seller-meta { color: var(--muted); font-size: 0.9rem; }

.seller-payout-summary {
  min-width: 240px;
  padding: 0.75rem 0.9rem;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--card-border);
}

.payout-summary-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  font-size: 0.88rem;
  padding: 0.2rem 0;
}

.payout-summary-row span { color: var(--muted); }

.payout-summary-row strong {
  font-size: 0.95rem;
  white-space: nowrap;
}

.payout-summary-row--fee strong { color: #fca5a5; }

.payout-summary-row--seller {
  margin-top: 0.35rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--card-border);
}

.payout-summary-row--seller strong {
  color: #86efac;
  font-size: 1.05rem;
}

.payout-summary-due {
  margin-top: 0.55rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.pix-box {
  margin-top: 0.75rem;
  padding: 0.75rem;
  border-radius: 10px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px dashed rgba(99, 102, 241, 0.35);
}

.pix-box strong { color: #c7d2fe; }

.seller-actions {
  margin-top: 0.85rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.purchase-mini {
  margin-top: 0.65rem;
  padding-top: 0.65rem;
  border-top: 1px solid var(--card-border);
  font-size: 0.85rem;
  color: var(--muted);
}

.purchase-mini strong {
  display: block;
  color: #e2e8f0;
  margin-bottom: 0.35rem;
}

.purchase-mini-amounts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  margin-bottom: 0.25rem;
}

.purchase-mini-amounts span {
  color: #cbd5e1;
}

.purchase-mini-meta {
  font-size: 0.8rem;
}

.table-wrap { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--card-border);
}

th { color: var(--muted); font-weight: 600; }

.status-paid { color: var(--success); }
.status-pending { color: #fcd34d; }
.status-upcoming { color: var(--muted); }

.empty {
  color: var(--muted);
  padding: 1rem 0;
  font-size: 0.95rem;
}

.admin-nav {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  padding: 0 1.5rem 1rem;
  border-bottom: 1px solid var(--card-border);
  background: #111827;
}

.admin-nav-link {
  display: inline-flex;
  align-items: center;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--card-border);
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  background: transparent;
  cursor: pointer;
  font-family: inherit;
}

.admin-nav-link:hover {
  color: var(--text);
  border-color: #475569;
}

.admin-nav-link.active {
  background: rgba(99, 102, 241, 0.18);
  border-color: rgba(99, 102, 241, 0.45);
  color: #c7d2fe;
}

@media (max-width: 640px) {
  .topbar, .panel, .stats-grid, .admin-nav { padding-left: 1rem; padding-right: 1rem; }
  .topbar { flex-direction: column; }
}