:root {
  --bg: #f4f6fb;
  --card: #ffffff;
  --text: #182033;
  --muted: #667085;
  --primary: #4c1d95;
  --primary-dark: #32136a;
  --accent: #0f766e;
  --danger: #b42318;
  --success: #067647;
  --warning: #b54708;
  --border: #e4e7ec;
  --shadow: 0 16px 40px rgba(16, 24, 40, .08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 16px;
  background:
    radial-gradient(circle at top left, rgba(76, 29, 149, .20), transparent 28%),
    radial-gradient(circle at bottom right, rgba(15, 118, 110, .18), transparent 30%),
    var(--bg);
}
.auth-card, .panel, .stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}
.auth-card { width: min(100%, 760px); padding: 34px; }
.auth-card.narrow { width: min(100%, 460px); }
.brand { display: flex; align-items: center; gap: 14px; margin-bottom: 24px; }
.logo-mark {
  width: 46px; height: 46px; border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; display: grid; place-items: center; font-weight: 800;
}
h1, h2, h3 { margin: 0 0 12px; line-height: 1.2; }
p { margin: 0 0 16px; color: var(--muted); }
label { display: block; font-weight: 650; margin: 14px 0 7px; }
input, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  background: #fff;
}
input:focus, select:focus { outline: 3px solid rgba(76, 29, 149, .13); border-color: var(--primary); }
.password-row { display: flex; gap: 8px; align-items: stretch; }
.password-row input { flex: 1; }
.btn {
  border: 0; border-radius: 12px; padding: 12px 16px;
  cursor: pointer; font-weight: 750; font-size: 15px;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); text-decoration: none; }
.btn-muted { background: #eef2ff; color: var(--primary); }
.btn-full { width: 100%; margin-top: 18px; }
.alert {
  border-radius: 12px; padding: 12px 14px; margin: 0 0 18px;
  border: 1px solid var(--border); font-weight: 600;
}
.alert-success { background: #ecfdf3; color: var(--success); border-color: #abefc6; }
.alert-error { background: #fef3f2; color: var(--danger); border-color: #fecdca; }
.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar { background: #111827; color: #fff; padding: 24px; }
.sidebar .brand { margin-bottom: 32px; }
.sidebar .muted { color: #cbd5e1; }
.nav { display: grid; gap: 8px; }
.nav a, .nav button {
  color: #e5e7eb; background: transparent; border: 0; text-align: left;
  padding: 12px 14px; border-radius: 12px; font-weight: 650; cursor: pointer; font-size: 15px;
}
.nav a:hover, .nav button:hover, .nav .active { background: rgba(255,255,255,.10); text-decoration: none; }
.main { padding: 30px; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 24px; }
.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.panel { padding: 22px; }
.stat-card { padding: 20px; }
.stat-card .number { font-size: 32px; font-weight: 850; color: var(--primary); }
.badge { display: inline-flex; border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 800; }
.badge-ok { background: #ecfdf3; color: var(--success); }
.badge-fail { background: #fef3f2; color: var(--danger); }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 12px; border-bottom: 1px solid var(--border); text-align: left; }
.table th { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.form-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.footer-note { margin-top: 18px; font-size: 13px; color: var(--muted); }
.small { font-size: 13px; color: var(--muted); }
@media (max-width: 860px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .main { padding: 20px; }
  .grid-3, .grid-2, .form-row { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}
.badge-warn { background: #fffaeb; color: var(--warning); }
.alert-warning { background: #fffaeb; color: var(--warning); border-color: #fedf89; }
.topline { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
@media (max-width: 860px) { .topline { flex-direction: column; } }
.check-row { display: flex; align-items: center; gap: 8px; font-weight: 650; margin: 10px 0; }
.check-row input { width: auto; }
.pwa-install-prompt {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  width: min(420px, calc(100% - 36px));
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 18px 50px rgba(16, 24, 40, .18);
  padding: 16px;
  display: grid;
  gap: 12px;
}
.pwa-install-prompt[hidden] { display: none; }
.pwa-install-prompt strong { display: block; margin-bottom: 4px; }
.pwa-install-prompt p { margin: 0; }
.pwa-install-actions { display: flex; gap: 8px; flex-wrap: wrap; }
@media (max-width: 560px) {
  .pwa-install-prompt { right: 12px; bottom: 12px; width: calc(100% - 24px); }
  .pwa-install-actions .btn { flex: 1; }
}
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 14px;
  font-size: 15px;
  background: #fff;
  resize: vertical;
  min-height: 92px;
  font-family: inherit;
}
textarea:focus { outline: 3px solid rgba(76, 29, 149, .13); border-color: var(--primary); }
.gateway-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  margin-top: 16px;
  background: #fbfcff;
}
.button-row, .inline-form {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}
.inline-form { margin-top: 10px; }
input[readonly] { background: #f8fafc; color: var(--muted); }
@media (max-width: 560px) {
  .button-row .btn, .inline-form .btn { width: 100%; }
}
button[disabled], input[disabled], textarea[disabled], select[disabled] {
  opacity: .65;
  cursor: not-allowed;
}
.table .small { color: var(--muted); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.scroll-box { overflow-x: auto; max-height: 420px; overflow-y: auto; border: 1px solid var(--border); border-radius: 12px; }
.scroll-box .table { min-width: 620px; }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 860px) { .grid-4 { grid-template-columns: 1fr; } }
.panel-soft {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
  background: #f8fafc;
}
.btn-danger {
  background: #b42318;
  color: #fff;
  border-color: #b42318;
}
.btn-danger:hover { filter: brightness(.96); }
.wallet-low {
  border-color: #fedf89 !important;
  background: #fffbeb !important;
}
.wallet-balance-highlight {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  background: #eef2ff;
  color: var(--primary);
  font-weight: 800;
  padding: 6px 10px;
}
.provider-balance-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #fbfcff;
  display: grid;
  gap: 12px;
  margin-top: 12px;
}
.provider-balance-card h3 { margin: 0 0 4px; }
.provider-balance-card .btn { justify-self: start; }
.text-danger { color: #b42318; }