:root {
  --bg: #eef4f0;
  --ink: #17211b;
  --muted: #607066;
  --panel: #fff;
  --line: #dbe5de;
  --brand: #0f766e;
  --gold: #eab308;
}

* { box-sizing: border-box; }

.hidden { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(15, 118, 110, 0.14), transparent 36%),
    linear-gradient(315deg, rgba(234, 179, 8, 0.18), transparent 32%),
    var(--bg);
}

.shell {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 28px 0;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  margin-bottom: 18px;
}

h1 { margin: 0; font-size: clamp(34px, 6vw, 72px); letter-spacing: 0; }
h2 { margin: 0 0 14px; font-size: 20px; }
p { color: var(--muted); }

.debug-line {
  font-size: 13px;
  overflow-wrap: anywhere;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--brand);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

button {
  min-height: 44px;
  border: 0;
  border-radius: 8px;
  padding: 0 16px;
  background: var(--brand);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
}

button.secondary {
  background: #334155;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-weight: 800;
}

input, select, textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  font: inherit;
  color: var(--ink);
}

input:focus, select:focus, textarea:focus {
  outline: 3px solid rgba(15, 118, 110, 0.18);
  border-color: var(--brand);
}

textarea.pix-code {
  min-height: 96px;
  padding: 12px;
  resize: vertical;
  overflow-wrap: anywhere;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  display: grid;
  gap: 14px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  margin-bottom: 16px;
  box-shadow: 0 18px 55px rgba(23, 33, 27, 0.08);
}

.qr {
  width: 280px;
  max-width: 100%;
  display: block;
  margin: 14px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  align-items: end;
}

.mini-form {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.metrics span, .item {
  display: block;
  background: #f8faf8;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  overflow-wrap: anywhere;
}

.metrics strong {
  display: block;
  font-size: 34px;
}

.list {
  display: grid;
  gap: 10px;
}

.payment-result {
  display: grid;
  justify-items: start;
  gap: 12px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.payment-result p { margin: 0; }
.payment-result .payment-qr { margin: 0; }
.payment-result a { color: var(--brand); font-weight: 800; }

.item strong, .item small {
  display: block;
}

.item small {
  color: var(--muted);
  margin-top: 4px;
}

@media (max-width: 800px) {
  .grid, .topbar { grid-template-columns: 1fr; display: grid; }
  .settings-grid, .metrics { grid-template-columns: 1fr; }
}