:root {
    --cs-client-blue: #4f73e8;
    --cs-client-blue-deep: #17325f;
    --cs-client-sky: #d8e8ff;
    --cs-client-bg: #f4f7fc;
    --cs-client-white: #ffffff;
    --cs-client-text: #101d33;
    --cs-client-muted: #50617a;
    --cs-client-border: #b8c8df;
    --cs-client-good: #087a45;
    --cs-client-bad: #a3261d;
    --cs-client-warning: #8a4b00;
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--cs-client-bg); }
body.cs-client-mobile-body {
    margin: 0;
    min-height: 100vh;
    color: var(--cs-client-text);
    background:
        radial-gradient(circle at 12% 4%, rgba(135,190,255,.28), transparent 30rem),
        linear-gradient(180deg, #fff 0, var(--cs-client-bg) 100%);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
    font-size: 18px;
    line-height: 1.5;
    overflow-x: hidden;
}
.cs-client-skip-link { position: absolute; left: -9999px; }
.cs-client-skip-link:focus { left: 1rem; top: 1rem; z-index: 9999; padding: .75rem; background: #fff; }
.cs-client-mobile-shell {
    width: min(100%, 760px);
    margin: 0 auto;
    padding: max(24px, env(safe-area-inset-top)) 18px max(32px, env(safe-area-inset-bottom));
}
.cs-client-mobile-card {
    background: rgba(255,255,255,.97);
    border: 2px solid var(--cs-client-border);
    border-radius: 28px;
    box-shadow: 0 22px 60px rgba(23,50,95,.13);
    padding: clamp(22px, 5vw, 42px);
}
.cs-client-brand { display: grid; grid-template-columns: 116px 1fr; gap: 24px; align-items: center; }
.cs-client-brand img { width: 116px; height: 116px; object-fit: contain; border-radius: 22px; }
.cs-client-mark {
    width: 110px; height: 110px; border-radius: 28px;
    display: grid; place-items: center;
    background: linear-gradient(145deg, #7bd7ff, #6f81ff);
    box-shadow: inset 0 0 0 2px rgba(255,255,255,.7);
    color: #0d264e; font: 900 2.55rem Georgia, serif;
}
.cs-client-kicker { margin: 0 0 4px; color: var(--cs-client-blue); font-weight: 900; letter-spacing: .12em; font-size: .78rem; }
.cs-client-brand h1 { margin: 0; font-size: clamp(2rem, 6vw, 3rem); line-height: 1.08; color: var(--cs-client-blue-deep); }
.cs-client-subtitle { margin: 12px 0 0; color: var(--cs-client-muted); font-size: 1.06rem; }
.cs-client-alert { margin: 24px 0; border-radius: 16px; padding: 16px 18px; font-weight: 700; }
.cs-client-alert-error { background: #fff0ee; border: 2px solid #efaaa3; color: var(--cs-client-bad); }
.cs-client-alert-warning { background: #fff7e8; border: 2px solid #f0bf76; color: var(--cs-client-warning); }
.cs-client-alert-good { background: #ebf8f0; border: 2px solid #8bd4aa; color: var(--cs-client-good); }
.cs-client-login-form { margin-top: 28px; display: grid; gap: 12px; }
.cs-client-login-form label { font-weight: 800; color: var(--cs-client-blue-deep); }
.cs-client-login-form input[type="text"],
.cs-client-login-form input[type="password"] {
    width: 100%; min-height: 58px; border: 2px solid #8298ad; border-radius: 15px;
    padding: 12px 16px; color: var(--cs-client-text); background: #fff;
    font: inherit; font-size: 1.05rem;
}
.cs-client-login-form input:focus { outline: 4px solid rgba(79,115,232,.23); border-color: var(--cs-client-blue); }
.cs-client-password-wrap { position: relative; }
.cs-client-password-wrap input { padding-right: 88px !important; }
.cs-client-password-toggle {
    position: absolute; right: 8px; top: 8px; min-height: 42px; border: 0; border-radius: 11px;
    padding: 0 14px; background: #e7eef9; color: var(--cs-client-blue-deep); font-weight: 800;
}
.cs-client-remember { display: flex; align-items: flex-start; gap: 12px; margin: 6px 0 10px; }
.cs-client-remember input { width: 24px; height: 24px; margin: 2px 0 0; flex: 0 0 auto; }
.cs-client-button {
    display: inline-flex; width: 100%; min-height: 58px; align-items: center; justify-content: center;
    text-align: center; border: 2px solid #8ba0b5; border-radius: 16px; padding: 12px 18px;
    background: #edf3fa; color: var(--cs-client-blue-deep) !important; font: inherit; font-weight: 900;
    text-decoration: none !important; cursor: pointer;
}
.cs-client-button:hover, .cs-client-button:focus { filter: brightness(.97); outline: 4px solid rgba(79,115,232,.2); }
.cs-client-button-primary { background: var(--cs-client-blue); border-color: var(--cs-client-blue); color: #fff !important; }
.cs-client-button-muted { background: #f7f9fd; border-color: #bdcae1; }
.cs-client-action-grid { display: grid; gap: 12px; margin-top: 18px; }
.cs-client-help-links { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; margin: 18px 0 0; }
.cs-client-help-links a, .cs-client-secondary-links a { color: var(--cs-client-blue-deep); font-weight: 800; }
.cs-client-install { margin-top: 30px; padding: 20px; border-radius: 18px; background: #f2f7ff; border: 2px solid var(--cs-client-sky); }
.cs-client-install h2 { margin: 0 0 10px; font-size: 1.35rem; color: var(--cs-client-blue-deep); }
.cs-client-install p { margin: 8px 0; }
.cs-client-copy-status { min-height: 1.5em; margin-bottom: 0 !important; color: var(--cs-client-good); font-weight: 800; }
.cs-client-secondary-links { text-align: center; margin-top: 22px; }
.cs-client-security-note { margin: 24px 0 0; padding-top: 20px; border-top: 1px solid var(--cs-client-border); color: var(--cs-client-muted); font-size: .94rem; }
.cs-client-mobile-footer { text-align: center; color: var(--cs-client-muted); font-size: .78rem; padding: 18px 8px 0; }
@media (max-width: 640px) {
    body.cs-client-mobile-body { font-size: 17px; }
    .cs-client-mobile-shell { padding-left: 12px; padding-right: 12px; }
    .cs-client-mobile-card { border-radius: 22px; padding: 22px 18px; }
    .cs-client-brand { grid-template-columns: 82px 1fr; gap: 15px; align-items: start; }
    .cs-client-brand img { width: 82px; height: 82px; }
    .cs-client-mark { width: 78px; height: 78px; border-radius: 20px; font-size: 1.85rem; }
    .cs-client-brand h1 { font-size: clamp(1.75rem, 8vw, 2.35rem); }
    .cs-client-subtitle { font-size: 1rem; }
    .cs-client-help-links { flex-direction: column; }
}
@media (max-width: 390px) {
    .cs-client-brand { grid-template-columns: 1fr; text-align: center; }
    .cs-client-brand img, .cs-client-mark { margin: 0 auto; }
}
@media print {
    body.cs-client-mobile-body { background: #fff; }
    .cs-client-mobile-shell { width: 100%; padding: 0; }
    .cs-client-mobile-card { box-shadow: none; }
    .cs-client-install, .cs-client-login-form, .cs-client-help-links, .cs-client-mobile-footer { display: none !important; }
}