.admin-body { background: var(--sky-50); min-height: 100vh; }
.admin-topbar { background: #fff; border-bottom: 1px solid var(--line); padding: 14px 0; }
.admin-topbar .container { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.admin-topbar-actions { display: flex; gap: 18px; font-weight: 600; font-size: 14.5px; }
.admin-topbar-actions a:hover { color: var(--sky-600); }
.admin-wrap { max-width: 720px; margin: 40px auto 80px; padding: 0 16px; }
.admin-card { background: #fff; border: 1px solid var(--line); border-radius: 24px; padding: 34px; margin-bottom: 24px; box-shadow: var(--shadow-sm); }
.admin-card h1 { font-size: 26px; margin-bottom: 6px; }
.admin-card h2 { font-size: 21px; margin-bottom: 6px; }
.admin-card .hint { color: var(--ink-3); font-size: 15px; margin-bottom: 26px; }
.admin-card h3 { font-size: 15px; text-transform: uppercase; letter-spacing: .08em; color: var(--sky-700); margin: 30px 0 14px; padding-top: 22px; border-top: 1px solid var(--line); }
.field-group { margin-bottom: 20px; }
.field-group label { display: block; font-family: var(--font-head); font-weight: 600; font-size: 14px; color: var(--ink); margin-bottom: 7px; }
.field-group input {
  width: 100%; font: inherit; font-size: 15px; color: var(--ink);
  padding: 13px 15px; border-radius: 13px; border: 1px solid var(--line); background: var(--sky-50);
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field-group input:focus { outline: none; border-color: var(--sky-400); background: #fff; box-shadow: 0 0 0 4px var(--sky-100); }
.field-hint { display: block; font-size: 13px; color: var(--ink-3); margin-top: 6px; }
.admin-alert { padding: 13px 16px; border-radius: 13px; font-weight: 600; font-size: 14.5px; margin-bottom: 18px; }
.admin-alert.success { background: #e3f9ee; color: #0a7a42; border: 1px solid #b8ecd1; }
.admin-alert.error { background: #fdecec; color: #b42323; border: 1px solid #f6c9c9; }
.admin-login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px 16px; }
.admin-login-card { width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line); border-radius: 26px; padding: 38px 32px; box-shadow: var(--shadow); }
.admin-login-card .sub { color: var(--ink-3); margin: 8px 0 24px; }
@media (max-width: 560px) { .admin-card { padding: 24px 20px; } }