:root {
  --bg: #0f1115;
  --card: #1a1d24;
  --card-border: #2a2e38;
  --text: #f2f3f5;
  --muted: #9aa0ab;
  --accent: #3aa66f;
  --accent-dark: #2d8358;
  --warn: #d99b2b;
  --danger: #d9503f;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--card-border);
}

.brand-logo { height: 38px; width: auto; display: block; }

.topbar h1 {
  font-size: 17px;
  margin: 0;
  font-weight: 600;
}

.topbar a, .topbar button.link {
  color: var(--muted);
  text-decoration: none;
  font-size: 14px;
  background: none;
  border: none;
  cursor: pointer;
}

main {
  flex: 1;
  padding: 16px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
}

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.big-button {
  display: block;
  width: 100%;
  padding: 20px;
  border-radius: var(--radius);
  border: none;
  background: var(--accent);
  color: white;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  margin-bottom: 12px;
}

.big-button:active { background: var(--accent-dark); }
.big-button.secondary { background: #2a2e38; }
.big-button.danger { background: var(--danger); }
.big-button:disabled { opacity: 0.5; cursor: not-allowed; }

label {
  display: block;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  margin-top: 12px;
}

input[type=text], input[type=number], input[type=password], input[type=email], select {
  width: 100%;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #12151a;
  color: var(--text);
  font-size: 18px;
}

.amount-input {
  font-size: 32px;
  text-align: center;
  font-weight: 700;
  padding: 18px;
}

.quick-amounts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.quick-amounts button {
  padding: 12px 4px;
  border-radius: 10px;
  border: 1px solid var(--card-border);
  background: #12151a;
  color: var(--text);
  font-size: 15px;
  cursor: pointer;
}

.quick-amounts button.active { border-color: var(--accent); color: var(--accent); }

.balance-display {
  text-align: center;
  padding: 10px 0 4px;
}

.balance-display .value {
  font-size: 40px;
  font-weight: 700;
}

.balance-display .label {
  font-size: 13px;
  color: var(--muted);
}

.status-banner {
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 14px;
  margin-bottom: 14px;
}

.status-banner.ok { background: rgba(58,166,111,0.15); color: #6fd39c; border: 1px solid rgba(58,166,111,0.35); }
.status-banner.warn { background: rgba(217,155,43,0.15); color: #f0bd63; border: 1px solid rgba(217,155,43,0.35); }
.status-banner.error { background: rgba(217,80,63,0.15); color: #f0897c; border: 1px solid rgba(217,80,63,0.35); }
.status-banner.muted { background: rgba(154,160,171,0.12); color: var(--muted); }

.role-grid {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 24px;
}

.role-link {
  display: block;
  padding: 22px;
  border-radius: var(--radius);
  background: var(--card);
  border: 1px solid var(--card-border);
  text-decoration: none;
  color: var(--text);
}

.role-link .title { font-size: 18px; font-weight: 600; margin-bottom: 4px; }
.role-link .desc { font-size: 13px; color: var(--muted); }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--card-border); }
th { color: var(--muted); font-weight: 500; }

.pill {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  background: #2a2e38;
  color: var(--muted);
}
.pill.offline { background: rgba(217,155,43,0.2); color: #f0bd63; }
.pill.sale { background: rgba(217,80,63,0.15); color: #f0897c; }
.pill.recharge { background: rgba(58,166,111,0.15); color: #6fd39c; }

.spinner {
  width: 22px; height: 22px;
  border: 3px solid var(--card-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

.footer-note {
  text-align: center;
  color: var(--muted);
  font-size: 12px;
  padding: 20px 16px;
}

.summary-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.summary-grid .card { margin-bottom: 0; text-align: center; padding: 14px; }
.summary-grid .value { font-size: 22px; font-weight: 700; }
.summary-grid .label { font-size: 12px; color: var(--muted); margin-top: 4px; }

.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--warn);
  color: #16130a;
  font-size: 12px;
  font-weight: 700;
}
.topbar:has(.brand-logo) { justify-content: center; padding: 18px 16px; }
.brand-logo { height: 64px; }