:root {
  --bg: #eef4ff;
  --card: #ffffff;
  --text: #14213d;
  --muted: #667085;
  --line: #e5e7eb;
  --primary: #1565d8;
  --primary-dark: #0f4ead;
  --success: #087443;
  --warning: #9a6700;
  --danger: #b42318;
  --soft: #f8fafc;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top, #dbeafe, var(--bg));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.page.wide { align-items: start; }

.card {
  width: min(100%, 760px);
  background: var(--card);
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 28px;
  box-shadow: 0 24px 80px rgba(20, 33, 61, .12);
  padding: 30px;
}
.hero { text-align: left; }
.wide .card { width: min(100%, 1120px); }

.topline, .actions-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.actions-inline { justify-content: flex-start; margin-top: 14px; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  background: #e8f1ff;
  color: var(--primary-dark);
  font-weight: 700;
  padding: 8px 13px;
  font-size: 13px;
}
.badge.success { background: #e7f8ef; color: var(--success); }

h1 { font-size: clamp(30px, 5vw, 48px); line-height: 1.04; margin: 16px 0 10px; }
h2 { margin: 18px 0 10px; }
.section-title { font-size: 22px; margin-top: 28px; border-top: 1px solid var(--line); padding-top: 22px; }
.lead { color: var(--muted); font-size: 18px; line-height: 1.5; }
.muted { color: var(--muted); font-size: 13px; }
.text-link { color: var(--primary); font-weight: 700; text-decoration: none; }

.device-box, .warning-box, .notice-box, .success-box, .receipt-box {
  border-radius: 18px;
  padding: 16px;
  margin: 18px 0;
  border: 1px solid var(--line);
  background: var(--soft);
}
.device-box { display: grid; gap: 4px; }
.device-box span, .receipt-box span { color: var(--muted); font-size: 13px; }
.device-box strong { font-size: 18px; letter-spacing: .5px; }
.warning-box { color: var(--warning); background: #fff7e6; border-color: #ffd991; }
.notice-box { color: #1849a9; background: #eff6ff; border-color: #bfdbfe; }
.success-box { color: var(--success); background: #ecfdf3; border-color: #a6f4c5; }

.form { display: grid; gap: 12px; margin-top: 18px; }
.form label { display: grid; gap: 6px; font-weight: 700; color: #344054; }
input {
  width: 100%;
  border: 1px solid #d0d5dd;
  border-radius: 14px;
  padding: 13px 14px;
  font-size: 16px;
  outline: none;
}
input:focus { border-color: var(--primary); box-shadow: 0 0 0 4px rgba(21,101,216,.12); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 16px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
  padding: 14px 18px;
  font-size: 16px;
  cursor: pointer;
  transition: transform .15s ease, background .15s ease;
}
.button:hover { background: var(--primary-dark); transform: translateY(-1px); }
.button:disabled { opacity: .6; cursor: not-allowed; transform: none; }
.button.full { width: 100%; }
.button.secondary { background: #eef2f6; color: #1d2939; }
.button.secondary:hover { background: #e4e7ec; }
.button.small { padding: 9px 12px; border-radius: 12px; font-size: 14px; }
.button.danger { background: var(--danger); }
.button.danger:hover { background: #7a271a; }

.error { color: var(--danger); font-weight: 700; }
.welcome-name { font-size: 18px; }
.info-list { display: grid; gap: 8px; margin-top: 20px; color: #344054; }

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.plan-card {
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 20px;
  background: linear-gradient(180deg, #fff, #f8fbff);
  display: grid;
  gap: 10px;
}
.plan-card.featured { border-color: #93c5fd; background: linear-gradient(180deg, #eff6ff, #ffffff); }
.plan-card h2 { margin: 0; font-size: 20px; }
.speed { font-size: 28px; font-weight: 900; color: var(--primary-dark); }
.price { font-size: 24px; font-weight: 900; }
.plan-card p { color: var(--muted); line-height: 1.45; min-height: 44px; }

.pix-box {
  margin-top: 26px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}
.pix-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  align-items: center;
}
.qr {
  width: 280px;
  max-width: 100%;
  border-radius: 18px;
  border: 1px solid var(--line);
  padding: 10px;
  background: #fff;
}
.pix-code {
  overflow-wrap: anywhere;
  background: #101828;
  color: #fff;
  border-radius: 16px;
  padding: 14px;
  line-height: 1.5;
  margin: 12px 0;
  font-family: Consolas, monospace;
}

.receipt-box {
  display: grid;
  gap: 12px;
}
.receipt-box div { display: flex; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.receipt-box div:last-child { border-bottom: none; padding-bottom: 0; }

.admin-page {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 22px;
  padding: 22px;
}
.admin-nav {
  background: #101828;
  color: #fff;
  border-radius: 24px;
  padding: 20px;
  height: calc(100vh - 44px);
  position: sticky;
  top: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.admin-nav strong { font-size: 20px; margin-bottom: 10px; }
.admin-nav a {
  color: #d0d5dd;
  text-decoration: none;
  padding: 11px 12px;
  border-radius: 12px;
}
.admin-nav a:hover { background: #1d2939; color: #fff; }
.wide-card { width: 100%; }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin: 20px 0;
}
.metric {
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px;
  background: var(--soft);
  display: grid;
  gap: 6px;
}
.metric span { color: var(--muted); }
.metric strong { font-size: 26px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: #f8fafc; font-size: 13px; color: #475467; }
tr:last-child td { border-bottom: none; }
.status { display: inline-flex; padding: 5px 9px; border-radius: 999px; font-weight: 800; font-size: 12px; background: #f2f4f7; color: #344054; }
.status.approved, .status.active, .status.converted { background: #dcfae6; color: var(--success); }
.status.pending { background: #fff4cc; color: var(--warning); }
.status.expired, .status.rejected, .status.cancelled { background: #fee4e2; color: var(--danger); }
code { background: #f2f4f7; padding: 3px 6px; border-radius: 8px; }

@media (max-width: 900px) {
  .plans-grid, .metrics-grid, .pix-layout { grid-template-columns: 1fr; }
  .admin-page { grid-template-columns: 1fr; }
  .admin-nav { position: static; height: auto; }
}

@media (max-width: 560px) {
  .page { padding: 12px; }
  .card { padding: 20px; border-radius: 22px; }
  .topline { align-items: flex-start; }
  .receipt-box div { display: grid; gap: 4px; }
}
.button.ghost {
  background: #fff7ed;
  color: #9a3412;
  border: 1px solid #fed7aa;
}
.button.ghost:hover { background: #ffedd5; }