:root {
  --bg: #faf8f6;
  --card: #ffffff;
  --text: #2d2621;
  --muted: #8a7f77;
  --border: #ece6e0;
  --primary: #a3846f;
  --primary-dark: #8a6d59;   /* botões: contraste 4,7:1 com branco (AA) */
  --primary-darker: #765b49;
  --primary-light: #f6f1ec;
  --danger: #b91c1c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.topbar { background: var(--card); border-bottom: 1px solid var(--border); margin-bottom: 24px; }
.topbar .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none; color: var(--muted); font-size: 14px; }
.brand img { height: 34px; width: auto; display: block; }
.brand span { padding-left: 14px; border-left: 1px solid var(--border); }
.login-logo { display: block; width: 220px; max-width: 100%; margin: 56px auto 0; }
.login-logo + .card.narrow { margin-top: 32px; }

h1, h2 { margin: 0 0 16px; font-size: 20px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 24px; margin-bottom: 24px; }
.card.narrow { max-width: 400px; margin: 48px auto; }

.form { display: flex; flex-direction: column; gap: 16px; }
.form.grid { display: grid; grid-template-columns: 1fr 1fr; }
.form .span-2 { grid-column: span 2; }
.form label { display: flex; flex-direction: column; gap: 6px; font-weight: 600; font-size: 14px; }
.form input {
  font: inherit; font-weight: 400; padding: 10px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: #fff; color: var(--text);
}
.form input:focus { outline: 2px solid var(--primary); outline-offset: -1px; border-color: transparent; }
.form .actions { display: flex; align-items: flex-end; }

.btn {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--primary-dark); color: #fff; border: 0; border-radius: 8px; padding: 11px 20px;
}
.btn:hover { background: var(--primary-darker); }
.btn-sm {
  font: inherit; font-size: 13px; cursor: pointer;
  background: #fff; color: var(--text); border: 1px solid var(--border); border-radius: 6px; padding: 5px 10px;
}
.btn-sm:hover { border-color: var(--primary); color: var(--primary-dark); }
.btn-sm.danger:hover { border-color: var(--danger); color: var(--danger); }
.link { background: none; border: 0; color: var(--muted); cursor: pointer; font: inherit; }
.link:hover { color: var(--text); }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.flash-success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; }
.flash-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }

.err { color: var(--danger); font-weight: 400; font-size: 13px; }
.muted { color: var(--muted); font-size: 13px; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.num { text-align: right; white-space: nowrap; }
.row-actions { white-space: nowrap; }
.row-actions form { display: inline; }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--primary-light); }
.badge-pending { background: #fef3c7; color: #92400e; }
.badge-processing { background: #dbeafe; color: #1e40af; }
.badge-paid { background: #d1fae5; color: #065f46; }
.badge-failed, .badge-error { background: #fee2e2; color: #991b1b; }
.badge-cancelled { background: #eeeae6; color: #6b625b; }

h1, h2 { color: var(--text); font-weight: 600; }
::selection { background: var(--primary-light); }

@media (max-width: 640px) {
  .form.grid { grid-template-columns: 1fr; }
  .form .span-2 { grid-column: auto; }
  .card { padding: 16px; }
}