/* Страницы подписи и ключей caSign: без внешних шрифтов и библиотек. */

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    background: #f3f4f6;
    color: #111827;
    font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

.page { max-width: 640px; margin: 0 auto; padding: 16px; }
h1 { font-size: 1.35rem; margin: 8px 0 16px; }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }
.card h2:first-child { margin-top: 0; }

.card {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 16px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .08);
}

.muted { color: #6b7280; }
.small { font-size: .875rem; }
.mono { font-family: ui-monospace, Menlo, Consolas, monospace; word-break: break-all; }

.facts { display: grid; grid-template-columns: 1fr; gap: 2px 12px; margin: 0; }
.facts dt { color: #6b7280; font-size: .875rem; }
.facts dd { margin: 0 0 8px; word-break: break-word; }
@media (min-width: 520px) {
    .facts { grid-template-columns: 11rem 1fr; }
    .facts dd { margin: 0; }
}

.label { display: block; margin: 12px 0 4px; font-weight: 600; }
input[type="password"], input[type="text"], input[type="file"], select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font: inherit;
    background: #fff;
}
input:focus-visible, select:focus-visible, .btn:focus-visible { outline: 3px solid #93c5fd; outline-offset: 1px; }
.password-row { display: flex; gap: 8px; }
.password-row input { flex: 1; }

.btn {
    display: inline-block;
    padding: 10px 16px;
    margin: 8px 8px 0 0;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    color: inherit;
    font: inherit;
    cursor: pointer;
    text-decoration: none;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: #1d4ed8; border-color: #1d4ed8; color: #fff; }
.btn-danger { background: #b91c1c; border-color: #b91c1c; color: #fff; }
.btn-ghost { margin: 0; }

.alert { padding: 10px 12px; border-radius: 8px; margin: 12px 0; }
.alert-error { background: #fee2e2; color: #7f1d1d; }
.alert-warn { background: #fef3c7; color: #78350f; }
.alert-ok { background: #dcfce7; color: #14532d; }
.alert-info { background: #dbeafe; color: #1e3a8a; }

.rules { margin: 6px 0; padding-left: 20px; color: #6b7280; }
.rules li.ok { color: #15803d; }

.keylist { list-style: none; margin: 0; padding: 0; }
.keyitem { border: 1px solid #e5e7eb; border-radius: 10px; padding: 10px 12px; margin: 8px 0; }
.keyitem.match { border-color: #16a34a; background: #f0fdf4; }
.keyitem.expired { opacity: .7; }
.keyitem .title { font-weight: 600; }
.badge { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: .75rem; background: #dcfce7; color: #14532d; }
.badge-bad { background: #fee2e2; color: #7f1d1d; }

.status { display: flex; align-items: center; gap: 8px; margin: 0; }
.spinner {
    width: 18px; height: 18px; border-radius: 50%;
    border: 3px solid #d1d5db; border-top-color: #1d4ed8;
    animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } }

dialog { border: 0; border-radius: 12px; padding: 16px; max-width: 460px; width: calc(100% - 32px); }
dialog::backdrop { background: rgba(0, 0, 0, .4); }
.nav { margin: 0 0 8px; font-size: .9rem; }

/* область объявлений для скринридеров: не показываем, но она остаётся в дереве */
.sr-status {
    position: absolute; width: 1px; height: 1px; overflow: hidden;
    clip: rect(0 0 0 0); white-space: nowrap;
}
details { margin: 12px 0; }
summary { cursor: pointer; font-weight: 600; }