/* Login / registro */
.st-auth .st-wrap { padding-top: 64px; padding-bottom: 80px; }

.auth-card {
    width: 100%;
    max-width: 460px;
    margin: 0 auto;
    padding: 36px;
    background: var(--st-surface);
    border: 1px solid color-mix(in srgb, var(--st-text) 12%, transparent);
    border-radius: 20px;
    box-shadow: 0 15px 45px rgba(0, 0, 0, .25);
}

.auth-head { margin-bottom: 22px; }
.auth-head .st-h2 { font-size: clamp(28px, 4vw, 38px); margin-top: 6px; }

.auth-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    padding: 4px;
    margin-bottom: 24px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--st-text) 8%, transparent);
}
.auth-tabs a {
    text-align: center;
    padding: 9px 12px;
    border-radius: 999px;
    color: var(--st-muted);
    font-weight: 600;
    font-size: 15px;
    text-decoration: none;
    transition: color .2s, background .2s;
}
.auth-tabs a:hover { color: var(--st-text); }
.auth-tabs a[aria-current="page"] {
    color: var(--st-btn-text);
    background: var(--st-brand);
}

.auth-form { display: grid; gap: 8px; }
.auth-form label { margin-top: 10px; font-size: 14px; font-weight: 600; }
.auth-form input {
    width: 100%;
    min-height: 50px;
    padding: 0 16px;
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--st-text) 18%, transparent);
    background: rgba(0, 0, 0, .18);
    color: var(--st-text);
    font: inherit;
    font-size: 16px;
}
.auth-form input:focus {
    outline: 2px solid color-mix(in srgb, var(--st-brand) 55%, transparent);
    outline-offset: 1px;
    border-color: var(--st-brand);
}
.auth-hint { color: var(--st-muted); font-size: 13px; }
.auth-form .st-btn { margin-top: 22px; width: 100%; cursor: pointer; }

.auth-alt { margin-top: 22px; text-align: center; color: var(--st-muted); font-size: 15px; }
.auth-alt a { color: var(--st-brand); font-weight: 600; }

.auth-notice {
    padding: 13px 16px;
    margin-bottom: 18px;
    border-radius: 10px;
    font-size: 14.5px;
}
.auth-notice.success {
    background: rgba(60, 190, 110, .12);
    border: 1px solid rgba(60, 190, 110, .35);
    color: #65d995;
}
.auth-notice.error {
    background: rgba(230, 65, 65, .12);
    border: 1px solid rgba(230, 65, 65, .35);
    color: #ff8585;
}

@media (max-width: 500px) {
    .auth-card { padding: 24px 18px; }
}