:root {
  --bg-1: #f4f7fb;
  --bg-2: #eef2ff;
  --card: #ffffff;
  --text: #102133;
  --muted: #5f7081;
  --primary: #0f766e;
  --primary-ink: #ffffff;
  --danger: #b42318;
  --warning: #b54708;
  --success: #027a48;
  --border: #d7e1eb;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", Tahoma, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(160deg, var(--bg-1), var(--bg-2));
  min-height: 100vh;
}

.page-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(15, 118, 110, 0.08), transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1), transparent 35%);
  pointer-events: none;
}

.container {
  width: min(1160px, 94%);
  margin: 30px auto 50px;
  position: relative;
  z-index: 1;
}

.auth-shell {
  min-height: 74vh;
  display: grid;
  place-items: center;
}

.auth-card,
.card,
.payment-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(16, 33, 51, 0.08);
}

.auth-card {
  width: min(460px, 100%);
  padding: 28px;
}

.card {
  padding: 20px;
}

.payment-shell {
  min-height: 78vh;
  display: grid;
  place-items: center;
}

.payment-card {
  width: min(560px, 100%);
  padding: 24px;
}

h1 {
  margin: 0 0 8px;
  font-size: 1.55rem;
}

.subtle {
  color: var(--muted);
  margin: 6px 0 0;
  font-size: 0.95rem;
}

.topbar {
  display: flex;
  gap: 12px;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.topbar-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.form-grid {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

label {
  font-size: 0.92rem;
  color: var(--text);
}

input,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 11px 12px;
  font-size: 0.98rem;
  background: #fff;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: #81b6f2;
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.btn {
  border: 1px solid transparent;
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

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

.btn.primary:hover {
  filter: brightness(0.95);
}

.btn.ghost {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.btn.warning {
  background: #fff7ed;
  border-color: #fed7aa;
  color: var(--warning);
}

.btn.tiny {
  padding: 7px 10px;
  border-radius: 9px;
  font-size: 0.83rem;
}

.btn.full {
  width: 100%;
}

.alert {
  border-radius: 12px;
  padding: 12px 14px;
  margin: 0 0 12px;
  border: 1px solid transparent;
  font-size: 0.94rem;
}

.alert.danger {
  background: #fef3f2;
  border-color: #fecaca;
  color: var(--danger);
}

.alert.warning {
  background: #fffbeb;
  border-color: #fde68a;
  color: var(--warning);
}

.alert.success {
  background: #ecfdf3;
  border-color: #a7f3d0;
  color: var(--success);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  border-bottom: 1px solid var(--border);
  text-align: right;
  vertical-align: top;
  padding: 11px 8px;
  font-size: 0.92rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 5px;
}

.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.74rem;
  border: 1px solid transparent;
  text-transform: lowercase;
}

.badge.created {
  background: #eef2ff;
  color: #374151;
  border-color: #c7d2fe;
}

.badge.pending {
  background: #fff7ed;
  color: #92400e;
  border-color: #fed7aa;
}

.badge.paid {
  background: #ecfdf3;
  color: #065f46;
  border-color: #86efac;
}

.badge.failed {
  background: #fef2f2;
  color: #991b1b;
  border-color: #fca5a5;
}

.badge.expired {
  background: #f4f4f5;
  color: #3f3f46;
  border-color: #d4d4d8;
}

.summary {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fbfdff;
}

.summary div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
}

.summary .grand {
  font-size: 1.08rem;
}

@media (max-width: 880px) {
  .topbar {
    flex-direction: column;
    align-items: stretch;
  }
  .topbar-actions {
    justify-content: flex-start;
    flex-wrap: wrap;
  }
  .table th,
  .table td {
    font-size: 0.86rem;
  }
}