/* ── Auth Shell (Login / Verify) ─────────────────────────────────────────── */

.auth-shell {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    min-height: 100dvh;
    padding: 24px 16px 40px;
    background: #f5f7fa;
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 16px;
    padding: 32px 24px 28px;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
}

.auth-logo {
    text-align: center;
    margin-bottom: 20px;
}

.auth-logo img {
    height: 56px;
    width: auto;
}

.auth-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    color: #1a202c;
    margin: 0 0 8px;
}

.auth-subtitle {
    font-size: 0.9375rem;
    color: #4a5568;
    text-align: center;
    margin: 0 0 24px;
    line-height: 1.5;
}

/* ── Fields ──────────────────────────────────────────────────────────────── */

.field-group {
    margin-bottom: 20px;
}

.field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 6px;
}

.auth-input.dxbl-edit {
    width: 100%;
}

/* Ensure tap target height ≥ 44px */
.auth-input .dxbl-edit-input {
    min-height: 48px;
    font-size: 1rem;
    border-radius: 8px;
}

/* Large centered digits for OTP input */
.otp-input .dxbl-edit-input {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-align: center;
}

.field-error {
    display: block;
    font-size: 0.8125rem;
    color: #e53e3e;
    margin-top: 4px;
}

/* ── Error Banner ─────────────────────────────────────────────────────────── */

.auth-error {
    background: #fff5f5;
    border: 1px solid #fed7d7;
    border-radius: 8px;
    color: #c53030;
    font-size: 0.875rem;
    padding: 10px 14px;
    margin-bottom: 16px;
    line-height: 1.4;
}

/* ── Primary Button ──────────────────────────────────────────────────────── */

.auth-btn.dxbl-btn {
    width: 100%;
    min-height: 52px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 10px;
    margin-top: 4px;
}

/* ── Secondary Link Button ───────────────────────────────────────────────── */

.auth-link {
    display: block;
    width: 100%;
    background: none;
    border: none;
    color: #3182ce;
    font-size: 0.9rem;
    text-align: center;
    padding: 12px 0;
    cursor: pointer;
    text-decoration: underline;
    min-height: 44px;
}

.auth-link:disabled {
    color: #a0aec0;
    cursor: default;
    text-decoration: none;
}

/* ── Responsive: very small phones ──────────────────────────────────────── */

@media (max-width: 380px) {
    .auth-card {
        padding: 24px 16px 20px;
    }
    .auth-title {
        font-size: 1.25rem;
    }
}