:root {
  color-scheme: light;
  font-family: Inter, system-ui, "Segoe UI", sans-serif;
  color: #17243b;
  background: #f4f6fa;
  --surface: #fff;
  --line: #dce4f0;
  --muted: #51627b;
  --blue: #2454cd;
  --sidebar: #111e34;
}
* { box-sizing: border-box; }
body { margin: 0; line-height: 1.55; }
[hidden] { display: none !important; }
a { color: #1c4abb; text-underline-offset: .2em; }
.admin-top {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  min-height: 68px; padding: 12px 32px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.brand { color: #132544; display: inline-flex; align-items: center; white-space: nowrap; font-size: 24px; font-weight: 800; letter-spacing: -.045em; text-decoration: none; }
.brand span { color: #3b66d8; }
.brand img { display: block; margin-inline-end: 10px; }
.admin-nav { display: flex; flex-wrap: wrap; align-items: center; gap: 14px; font-size: .86rem; }
.admin-nav select { width: auto; }
.admin-layout { display: grid; grid-template-columns: 252px minmax(0, 1fr); min-height: calc(100svh - 68px); }
.admin-sidebar { background: var(--sidebar); padding: 30px 16px; }
.admin-sections { position: sticky; top: 26px; display: flex; flex-direction: column; gap: 4px; }
.admin-nav-label { margin: 19px 12px 5px; color: #a2b4d0; font-size: .76rem; font-weight: 720; }
.admin-nav-label:first-child { margin-top: 0; }
.admin-sections a { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 8px; color: #e3ecff; font-size: .875rem; font-weight: 650; text-decoration: none; }
.admin-sections a:hover { background: #213456; }
.admin-sections a[aria-current] { background: #254680; color: #fff; }
.admin-sections img { object-fit: contain; }
.admin-nav-icon { width: 22px; height: 22px; border-radius: 6px; background: #31466a; color: #dfebff; text-align: center; font-size: .9rem; }
.admin-main { width: 100%; min-width: 0; max-width: 1250px; padding: 44px clamp(22px, 5vw, 70px) 58px; }
.admin-main h1 { margin: 0 0 8px; font-size: clamp(2rem, 3vw, 2.85rem); line-height: 1.15; letter-spacing: -.04em; }
.admin-main h2 { margin: 0 0 5px; font-size: 1.3rem; letter-spacing: -.015em; }
.admin-main h3 { margin: 0 0 10px; font-size: 1rem; }
.admin-lead { margin: 0 0 20px; color: var(--muted); }
.admin-section { margin-top: 30px; scroll-margin-top: 20px; }
.admin-section + .admin-section { padding-top: 22px; border-top: 1px solid var(--line); }
.admin-section-heading { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.admin-card { margin-bottom: 14px; padding: 22px; border-radius: 13px; border: 1px solid var(--line); background: var(--surface); box-shadow: 0 1px 2px #14254b08; }
.admin-card label { display: block; margin-bottom: 5px; font-size: .9rem; font-weight: 650; }
.admin-card > a { display: inline-block; margin-bottom: 14px; font-size: .875rem; }
.admin-hint { font-size: .875rem; color: var(--muted); margin: 8px 0; }
select, input, button { font: inherit; }
select, input:not([type=checkbox]) { width: 100%; min-height: 40px; border: 1px solid #bcc9dd; padding: 8px 11px; border-radius: 8px; background: #fdfdff; color: #17243b; }
select:focus, input:focus, button:focus-visible, a:focus-visible { outline: 2px solid #4277ee; outline-offset: 2px; }
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 228px), 1fr)); gap: 16px; }
.admin-card .inline-check { display: flex; gap: 8px; align-items: center; margin: 12px 0 0; }
button { margin-top: 12px; border: 0; border-radius: 8px; padding: 9px 16px; background: var(--blue); color: #fff; font-weight: 700; cursor: pointer; }
button:hover { background: #1842ab; }
button:disabled { opacity: .6; cursor: wait; }
.notice { padding: 10px 14px; border: 1px solid; border-radius: 8px; font-size: .9rem; }
.good { color: #11563d; background: #e9f8ef; border-color: #b1debd; }
.bad { color: #8a2631; background: #fff1f2; border-color: #edbdc2; }
.admin-badge { padding: 3px 9px; border: 1px solid #cedcf4; border-radius: 999px; background: #edf3ff; color: #294b8d; font-size: .77rem; white-space: nowrap; }
.admin-advanced, .admin-check, .admin-integration { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line); }
.admin-advanced summary { cursor: pointer; font-size: .9rem; font-weight: 650; }
.admin-advanced .admin-grid { margin-top: 12px; }
.admin-check { display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 12px; }
.admin-secondary, .admin-logout { border: 1px solid #c1d0e8; background: #eef4ff; color: #243f79; }
.admin-secondary:hover, .admin-logout:hover { background: #dfeaff; }
.admin-logout { margin: 0; padding: 5px 10px; }
.admin-login { max-width: 492px; margin: min(8vh, 70px) auto 0; padding-inline: 24px; }
.admin-login .admin-card { margin-top: 22px; padding: 26px; }
.admin-login h1 { font-size: clamp(1.8rem, 5vw, 2.3rem); }
.admin-login input { margin-bottom: 12px; }
.admin-login button { width: 100%; }
.admin-webhook { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 13px; margin-top: 16px; padding: 9px 12px; background: #eff4fc; border-radius: 8px; overflow-wrap: anywhere; }
.admin-webhook span { font-size: .85rem; font-weight: 680; }
.admin-table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--line); background: var(--surface); }
.admin-table { width: 100%; border-collapse: collapse; text-align: left; font-size: .875rem; }
.admin-table th, .admin-table td { padding: 10px 14px; border-bottom: 1px solid var(--line); }
.admin-table thead { background: #eef3fa; }
.admin-table tr:last-child td, .admin-table tbody tr:last-child th { border-bottom: 0; }
.admin-table button { margin: 0; padding: 5px 11px; }
.admin-empty { color: var(--muted); }
.admin-sr-only { position: absolute; overflow: hidden; width: 1px; height: 1px; clip-path: inset(50%); white-space: nowrap; }

@media (max-width: 800px) {
  .admin-top { padding-inline: 16px; }
  .admin-layout { display: block; }
  .admin-sidebar { padding: 9px 12px; }
  .admin-sections { position: static; flex-direction: row; overflow-x: auto; }
  .admin-nav-label { display: none; }
  .admin-sections a { flex: 0 0 auto; padding: 7px 9px; }
  .admin-main { padding-top: 30px; }
}
@media (max-width: 430px) {
  .admin-top { align-items: flex-start; }
  .admin-nav { justify-content: flex-end; gap: 7px; }
  .admin-nav select { max-width: 145px; }
  .admin-main { padding-inline: 16px; }
  .admin-card { padding: 16px; }
}