:root { color-scheme: light; --page: #f2f3f7; --panel: #fff; --navy: #1c4365; --text: #4c5157; --muted: #747b83; --line: #d9dde2; font: 16px Arial, Helvetica, sans-serif; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: var(--page); color: var(--text); line-height: 1.45; }
[hidden] { display: none !important; }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; opacity: .6; }
button:focus-visible, input:focus-visible { outline: 3px solid #7da9cf; outline-offset: 2px; }
.topbar { display: flex; align-items: center; justify-content: space-between; min-height: 84px; padding: 0 24px; border-bottom: 1px solid #cbd2d9; background: #fff; }
.topbar img { display: block; width: 180px; height: 72px; object-fit: contain; }
.topbar span { color: var(--muted); font-size: 13px; }
main { width: min(100% - 32px, 470px); margin: 56px auto 24px; }
.panel { padding: 28px; border: 1px solid var(--line); border-radius: 3px; background: var(--panel); }
h1 { margin: 0 0 10px; font-size: 23px; font-weight: 500; line-height: 1.25; }
.intro { margin: 0 0 24px; color: var(--muted); font-size: 14px; }
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
label { display: block; margin: 0 0 6px; font-size: 14px; }
input[type="email"], input[type="password"], input[type="text"] { width: 100%; min-height: 42px; margin-bottom: 19px; padding: 9px 10px; border: 1px solid #cfd5db; border-radius: 3px; background: #fff; color: var(--text); }
.checkbox { display: flex; align-items: center; gap: 8px; margin: -3px 0 23px; font-size: 13px; color: var(--muted); }
.checkbox input { width: 16px; height: 16px; margin: 0; accent-color: var(--navy); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 38px; padding: 8px 15px; border: 1px solid #c9d0d8; border-radius: 3px; background: #fff; color: #58636e; font-size: 14px; }
.btn:hover { background: #f0f2f5; }
.btn.primary { width: 100%; border-color: var(--navy); background: var(--navy); color: #fff; }
.btn.primary:hover { background: #153650; }
.help { margin: 21px 0 0; color: var(--muted); font-size: 12px; line-height: 1.6; }
.status { margin: 18px 2px 0; font-size: 14px; line-height: 1.5; }
.status:empty { display: none; }
.status.error { color: #994747; }
.status.success { color: #3e7455; }
.retry { margin: 12px 6px 0 0; }
.panel-heading { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.panel-heading h1 { margin-top: 6px; }
dl { display: grid; grid-template-columns: 80px minmax(0, 1fr); gap: 12px; margin: 24px 0 0; font-size: 14px; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }
footer { padding: 12px 16px 28px; text-align: center; color: var(--muted); font-size: 12px; }
@media (max-width: 480px) { .topbar { padding: 0 16px; } .topbar img { width: 150px; } .topbar span { max-width: 85px; text-align: right; } main { margin-top: 28px; } .panel { padding: 22px; } h1 { font-size: 21px; } }