.seo-auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 20px 48px;
    font-family: Inter, system-ui, sans-serif;
    background: linear-gradient(165deg, #e8f4f8 0%, #f4f8fa 45%, #eef6f8 100%);
}

.seo-auth-header {
    width: 100%;
    max-width: 440px;
    margin-bottom: 20px;
    text-align: center;
}

.seo-auth-logo {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 8px;
    background: #0f4c5c;
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    letter-spacing: 0.04em;
}

.seo-auth-tagline {
    margin: 12px 0 0;
    color: #3d5a66;
    font-size: 14px;
    line-height: 1.45;
}

.seo-auth-card {
    width: 100%;
    max-width: 440px;
    padding: 28px 24px 32px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(15, 76, 92, 0.1);
}

.seo-auth-title {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 600;
    color: #0f2d36;
}

.seo-auth-hint,
.seo-auth-note,
.seo-auth-back {
    margin: 0 0 14px;
    font-size: 14px;
    color: #5a7280;
    line-height: 1.45;
}

.seo-auth-back a {
    color: #0f4c5c;
}

.seo-auth-callout {
    margin-bottom: 16px;
    padding: 12px 14px;
    border-radius: 8px;
    background: #edf7fa;
    border: 1px solid #c5e4ec;
    font-size: 13px;
    color: #2d4a54;
}

.seo-auth-callout__title {
    margin: 0 0 6px;
    font-weight: 600;
}

.seo-auth-callout a {
    color: #0f4c5c;
    font-weight: 500;
}

.seo-auth-flash {
    margin-bottom: 12px;
    padding: 10px 12px;
    border-radius: 6px;
    font-size: 14px;
}

.seo-auth-flash--success {
    background: #e6f7ec;
    color: #1a4d2e;
}

.seo-auth-flash--error {
    background: #fdeaea;
    color: #6b1f1f;
}

.seo-auth-flash--info {
    background: #eef6ff;
    color: #1a3d5c;
}

.seo-auth-form label {
    display: block;
    margin-bottom: 6px;
    font-size: 13px;
    font-weight: 500;
    color: #3d5a66;
}

.seo-auth-form input[type='tel'],
.seo-auth-form input[type='password'],
.seo-auth-form input[type='text'] {
    width: 100%;
    box-sizing: border-box;
    margin-bottom: 14px;
    padding: 10px 12px;
    border: 1px solid #c5d8de;
    border-radius: 6px;
    font-size: 15px;
}

.seo-auth-form input:focus {
    outline: 2px solid #5eb8cc;
    outline-offset: 0;
    border-color: #0f4c5c;
}

.seo-auth-submit {
    width: 100%;
    margin-top: 4px;
    padding: 11px 14px;
    border: none;
    border-radius: 6px;
    background: #0f4c5c;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
}

.seo-auth-submit:hover {
    background: #0d3f4c;
}

.seo-auth-social {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid #e4eef2;
}

.seo-auth-social__title {
    margin: 0 0 10px;
    font-size: 13px;
    color: #5a7280;
    text-align: center;
}

.seo-auth-social__list {
    display: flex;
    justify-content: center;
    gap: 12px;
}

.seo-auth-social__item {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: #f0f7fa;
    transition: background 0.15s ease;
}

.seo-auth-social__item:hover {
    background: #dceef4;
}

.seo-auth-footer {
    margin: 18px 0 0;
    font-size: 14px;
    text-align: center;
    color: #5a7280;
}

.seo-auth-footer a {
    color: #0f4c5c;
    font-weight: 500;
}