:root {
    --client-auth-navy: #0d2145;
    --client-auth-navy-strong: #091832;
    --client-auth-blue: #2e5fa9;
    --client-auth-text: #14213a;
    --client-auth-muted: #64748b;
    --client-auth-line: #d7e0ee;
    --client-auth-danger: #a6384a;
}

* {
    box-sizing: border-box;
}

body.client-auth-page {
    min-width: 0;
    min-height: 100vh;
    margin: 0;
    background: #ffffff;
    color: var(--client-auth-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.client-auth-shell {
    display: grid;
    min-height: 100vh;
    place-items: center;
    padding: 28px 18px;
}

.client-auth-card {
    width: min(100%, 680px);
    overflow: hidden;
    border: 1px solid var(--client-auth-line);
    border-radius: 18px;
    background: #ffffff;
    box-shadow: 0 18px 42px rgba(13, 33, 69, 0.12);
}

.client-auth-brand {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 28px 34px;
    background: linear-gradient(135deg, var(--client-auth-navy), var(--client-auth-navy-strong));
    color: #ffffff;
}

.client-auth-brand img {
    display: block;
    width: 150px;
    height: 150px;
    object-fit: contain;
}

.client-auth-brand-copy {
    display: grid;
    gap: 5px;
}

.client-auth-brand-name {
    font-size: 1.35rem;
    font-weight: 850;
    letter-spacing: 0.08em;
}

.client-auth-brand-label {
    color: #cbdcff;
    font-size: 0.9rem;
    font-weight: 750;
    letter-spacing: 0.12em;
}

.client-auth-content {
    padding: 40px 46px 46px;
}

.client-auth-eyebrow {
    margin: 0 0 7px;
    color: var(--client-auth-blue);
    font-size: 0.8rem;
    font-weight: 850;
    letter-spacing: 0.11em;
}

.client-auth-content h1 {
    margin: 0;
    font-size: clamp(2rem, 5vw, 2.5rem);
    line-height: 1.08;
    letter-spacing: -0.04em;
}

.client-auth-intro {
    margin: 11px 0 0;
    color: var(--client-auth-muted);
    font-size: 1.05rem;
    line-height: 1.5;
}

.client-auth-alert {
    margin: 20px 0 0;
    padding: 10px 12px;
    border: 1px solid #e6bec6;
    border-radius: 10px;
    background: #fff7f8;
    color: #873244;
    font-size: 0.85rem;
    line-height: 1.4;
}

.client-auth-form {
    display: grid;
    gap: 17px;
    margin-top: 22px;
}

.client-auth-field {
    display: grid;
    gap: 6px;
}

.client-auth-field label {
    color: var(--client-auth-text);
    font-size: 0.82rem;
    font-weight: 760;
}

.client-auth-field input {
    width: 100%;
    min-height: 46px;
    padding: 0 13px;
    border: 1px solid #cbd7e8;
    border-radius: 10px;
    outline: none;
    background: #fbfcfe;
    color: var(--client-auth-text);
    font: inherit;
}

.client-auth-field input::placeholder {
    color: #8290a7;
}

.client-auth-field input:focus {
    border-color: var(--client-auth-blue);
    box-shadow: 0 0 0 3px rgba(46, 95, 169, 0.16);
}

.client-auth-validation {
    color: var(--client-auth-danger);
    font-size: 0.78rem;
    line-height: 1.35;
}

.client-auth-primary {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 0 16px;
    border-radius: 10px;
    font: inherit;
    font-size: 0.98rem;
    font-weight: 800;
    text-align: center;
    text-decoration: none;
}

.client-auth-primary {
    border: 1px solid var(--client-auth-navy);
    background: var(--client-auth-navy);
    color: #ffffff;
    cursor: pointer;
}

.client-auth-primary:hover,
.client-auth-primary:focus-visible {
    background: #17376d;
}

.client-auth-help {
    margin: 18px 0 0;
    color: var(--client-auth-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}

.client-auth-actions {
    display: grid;
    gap: 10px;
    margin-top: 22px;
}

@media (max-width: 520px) {
    .client-auth-shell {
        align-items: start;
        padding: 12px 10px;
    }

    .client-auth-card {
        border-radius: 14px;
    }

    .client-auth-brand {
        gap: 14px;
        padding: 20px;
    }

    .client-auth-brand img {
        width: 88px;
        height: 88px;
        flex: 0 0 88px;
    }

    .client-auth-brand-name {
        font-size: 1.08rem;
        letter-spacing: 0.06em;
    }

    .client-auth-brand-label {
        font-size: 0.78rem;
        letter-spacing: 0.09em;
    }

    .client-auth-content {
        padding: 26px 20px 28px;
    }

    .client-auth-content h1 {
        font-size: clamp(1.7rem, 9vw, 2rem);
    }

    .client-auth-intro {
        font-size: 0.96rem;
    }

    .client-auth-field input {
        font-size: 16px;
    }
}