:root {
    --bg: var(--tg-theme-bg-color, #ffffff);
    --text: var(--tg-theme-text-color, #111827);
    --hint: var(--tg-theme-hint-color, #6b7280);
    --link: var(--tg-theme-link-color, #2563eb);
    --btn: var(--tg-theme-button-color, #2563eb);
    --btn-text: var(--tg-theme-button-text-color, #ffffff);
    --card: var(--tg-theme-secondary-bg-color, #f3f4f6);
    --danger: #dc2626;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
    font: 16px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
main { max-width: 480px; margin: 0 auto; padding: 20px 18px calc(28px + env(safe-area-inset-bottom, 0px)); }
[hidden] { display: none !important; }
h1 { font-size: 22px; margin: 4px 0 8px; }
p { margin: 0 0 16px; }
.muted { color: var(--hint); }
.center { text-align: center; padding-top: 48px; }
.big-icon { font-size: 52px; line-height: 1; margin-bottom: 14px; }
label { display: block; font-size: 14px; font-weight: 600; margin: 16px 0 6px; }
label .muted { font-weight: 400; }
input, textarea { width: 100%; padding: 13px 14px; font: inherit; color: var(--text); background: var(--card);
    border: 1.5px solid transparent; border-radius: 12px; outline: none; -webkit-appearance: none; appearance: none; }
input:focus, textarea:focus { border-color: var(--btn); }
input.invalid { border-color: var(--danger); }
textarea { resize: vertical; min-height: 96px; }
.pw-wrap { position: relative; }
.pw-wrap input { padding-right: 72px; }
.pw-wrap .ghost { position: absolute; right: 6px; top: 50%; transform: translateY(-50%); }
button { font: inherit; cursor: pointer; border: 0; border-radius: 12px; }
button:disabled { opacity: .55; cursor: default; }
.primary, .secondary { display: block; width: 100%; padding: 14px; font-weight: 600; margin-top: 22px; }
.primary { background: var(--btn); color: var(--btn-text); }
.secondary { background: var(--card); color: var(--text); margin-top: 10px; }
.ghost { background: transparent; color: var(--link); padding: 8px 10px; font-size: 14px; }
.link { display: block; width: 100%; background: transparent; color: var(--link); padding: 14px 6px; margin-top: 10px; font-size: 15px; }
.card { background: var(--card); border-radius: 12px; padding: 12px 14px; margin-bottom: 8px; }
.card .label { font-size: 13px; color: var(--hint); margin-bottom: 6px; }
.card ul { list-style: none; margin: 0; padding: 0; }
.card li { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 5px 0; word-break: break-all; }
.tag { flex: none; font-size: 12px; color: var(--hint); border: 1px solid currentColor; border-radius: 999px; padding: 1px 8px; }
.alert { background: rgba(220, 38, 38, .12); color: var(--danger); border-radius: 12px; padding: 12px 14px; margin: 4px 0 4px; font-size: 15px; }
.field-error { color: var(--danger); font-size: 13px; margin-top: 5px; }
.counter { text-align: right; font-size: 12px; color: var(--hint); margin-top: 4px; }
.spinner { width: 36px; height: 36px; margin: 0 auto 14px; border-radius: 50%; border: 3px solid var(--card); border-top-color: var(--btn); animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }