:root {
  font-family: system-ui, sans-serif;
  color: #17212b;
  background: #f3f5f7;
  font-synthesis: none;
}

* { box-sizing: border-box; }

body { margin: 0; min-width: 320px; }

main { width: min(100% - 32px, 980px); margin: 32px auto; }

header { margin: 0 0 20px; }
header h1 { margin: 0; font-size: 1.8rem; }
header p { margin: 4px 0 0; color: #5b6672; }

.card, .subcard {
  background: #fff;
  border: 1px solid #d6dce2;
  border-radius: 10px;
  padding: 20px;
  box-shadow: 0 2px 8px #17212b0a;
}

.card { margin-bottom: 16px; }
.subcard { margin-top: 16px; }
.subcard h3, .access-status h3 { margin: 0 0 8px; }
.subcard p { color: #5b6672; }

.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
button {
  border: 1px solid #1b5b8a;
  border-radius: 6px;
  background: #1b5b8a;
  color: white;
  cursor: pointer;
  padding: 9px 14px;
  font: inherit;
}
button:hover { background: #164a70; }
button:disabled { opacity: .55; cursor: wait; }
button.secondary, .tabs button { background: white; color: #1b5b8a; }
.tabs button.active { background: #1b5b8a; color: white; }
.button-link {
  display: inline-block;
  border: 1px solid #1b5b8a;
  border-radius: 6px;
  background: #1b5b8a;
  color: white;
  cursor: pointer;
  padding: 9px 14px;
  text-decoration: none;
}
.button-link:hover { background: #164a70; }

form { display: grid; gap: 14px; max-width: 460px; }
label { display: grid; gap: 6px; font-weight: 600; }
input {
  min-width: 0;
  height: 38px;
  border: 1px solid #aeb8c2;
  border-radius: 5px;
  padding: 0 9px;
  font: inherit;
}
select {
  min-width: 0;
  height: 38px;
  border: 1px solid #aeb8c2;
  border-radius: 5px;
  padding: 0 9px;
  font: inherit;
}
input:focus { outline: 2px solid #8cc4ed; outline-offset: 1px; }
.hint { margin: 0; color: #5b6672; font-size: .9rem; }
.message { min-height: 1.4em; margin: 12px 0 0; }
.message.error { color: #b42318; }

.account-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.account-heading h2 { margin: 0; }
.account-heading p { margin: 4px 0 0; color: #5b6672; }
.access-status { margin-top: 18px; padding: 14px; border-radius: 6px; background: #f3f5f7; }
.access-status p { margin: 0; }
.access-status .success { color: #217341; }
.access-status .warning { color: #875600; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; text-align: left; }
th, td { padding: 9px 8px; border-bottom: 1px solid #e1e5e9; vertical-align: middle; }
th { background: #f3f5f7; white-space: nowrap; }
.expiry-input { width: 220px; }
.row-save, .row-revoke { margin: 2px 4px 2px 0; }
.game-account-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
#game-account-status.success { color: #217341; }
.scan-status { margin-top: 16px; }
.scan-status p { margin: 0 0 10px; }
dialog {
  width: min(100% - 32px, 520px);
  max-height: calc(100vh - 40px);
  overflow: auto;
  border: 1px solid #d6dce2;
  border-radius: 10px;
  padding: 20px;
}
dialog::backdrop { background: #17212b80; }
dialog h3, dialog p { margin: 0; }
#admin-back-slot { margin-top: 16px; }

[hidden] { display: none !important; }

@media (max-width: 680px) {
  main { width: min(100% - 20px, 980px); margin: 18px auto; }
  .card, .subcard { padding: 14px; }
  .account-heading { align-items: flex-start; }
  .expiry-input { width: 190px; }
}